Merge pull request #2726 from aledbf/gather
Cleanup prometheus metrics after a reload
This commit is contained in:
k8s-ci-robot
GitHub
commit
1cdd64384a
30 changed files with 1896 additions and 630 deletions
4
Makefile
4
Makefile
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@ -28,6 +28,8 @@ FOCUS ?= .*
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# number of parallel test
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E2E_NODES ?= 3
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NODE_IP ?= $(shell minikube ip)
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ifeq ($(GOHOSTOS),darwin)
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SED_I=sed -i ''
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endif
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@ -165,6 +167,7 @@ static-check:
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.PHONY: test
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test:
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@$(DEF_VARS) \
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NODE_IP=$(NODE_IP) \
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DOCKER_OPTS="--net=host" \
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build/go-in-docker.sh build/test.sh
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@ -180,6 +183,7 @@ e2e-test:
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FOCUS=$(FOCUS) \
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E2E_NODES=$(E2E_NODES) \
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DOCKER_OPTS="--net=host" \
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NODE_IP=$(NODE_IP) \
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build/go-in-docker.sh build/e2e-tests.sh
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.PHONY: cover
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@ -30,6 +30,10 @@ if [ -z "${E2E_NODES}" ]; then
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echo "E2E_NODES must be set"
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exit 1
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fi
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if [ -z "${NODE_IP}" ]; then
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echo "NODE_IP must be set"
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exit 1
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fi
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SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
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@ -46,13 +50,6 @@ if ! [ -x "$(command -v kubectl)" ]; then
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chmod +x ${TEST_BINARIES}/kubectl
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fi
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if ! [ -x "$(command -v minikube)" ]; then
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echo "downloading minikube..."
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curl -sSLo ${TEST_BINARIES}/minikube \
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https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
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chmod +x ${TEST_BINARIES}/minikube
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fi
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ginkgo build ./test/e2e
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ginkgo \
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@ -62,6 +62,7 @@ GOARCH=${GOARCH}
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PWD=${PWD}
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BUSTED_ARGS=${BUSTED_ARGS:-""}
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REPO_INFO=${REPO_INFO:-local}
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NODE_IP=${NODE_IP:-127.0.0.1}
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EOF
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docker run \
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@ -29,6 +29,7 @@ import (
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"time"
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"github.com/golang/glog"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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@ -39,9 +40,8 @@ import (
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"k8s.io/client-go/tools/clientcmd"
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"k8s.io/ingress-nginx/internal/file"
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"k8s.io/ingress-nginx/internal/ingress/annotations/class"
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"k8s.io/ingress-nginx/internal/ingress/controller"
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"k8s.io/ingress-nginx/internal/ingress/metric/collector"
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"k8s.io/ingress-nginx/internal/ingress/metric"
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"k8s.io/ingress-nginx/internal/k8s"
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"k8s.io/ingress-nginx/internal/net/ssl"
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"k8s.io/ingress-nginx/version"
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@ -118,25 +118,20 @@ func main() {
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conf.Client = kubeClient
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ngx := controller.NewNGINXController(conf, fs)
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reg := prometheus.NewRegistry()
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mc, err := metric.NewCollector(conf.ListenPorts.Status, reg)
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if err != nil {
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glog.Fatalf("Error creating prometheus collectos: %v", err)
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}
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mc.Start()
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ngx := controller.NewNGINXController(conf, mc, fs)
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go handleSigterm(ngx, func(code int) {
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os.Exit(code)
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})
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mux := http.NewServeMux()
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go registerHandlers(conf.EnableProfiling, conf.ListenPorts.Health, ngx, mux)
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err = collector.InitNGINXStatusCollector(conf.Namespace, class.IngressClass, conf.ListenPorts.Status)
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if err != nil {
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glog.Fatalf("Error creating metric collector: %v", err)
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}
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err = collector.NewInstance(conf.Namespace, class.IngressClass)
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if err != nil {
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glog.Fatalf("Error creating unix socket server: %v", err)
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}
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go registerHandlers(conf.EnableProfiling, conf.ListenPorts.Health, ngx, mux, reg)
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ngx.Start()
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}
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@ -240,14 +235,20 @@ func handleFatalInitError(err error) {
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err)
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}
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func registerHandlers(enableProfiling bool, port int, ic *controller.NGINXController, mux *http.ServeMux) {
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func registerHandlers(
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enableProfiling bool,
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port int,
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ic *controller.NGINXController,
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mux *http.ServeMux,
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reg *prometheus.Registry) {
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// expose health check endpoint (/healthz)
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healthz.InstallHandler(mux,
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healthz.PingHealthz,
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ic,
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)
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mux.Handle("/metrics", promhttp.Handler())
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mux.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{}))
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mux.HandleFunc("/build", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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@ -76,7 +76,7 @@ func TestHandleSigterm(t *testing.T) {
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t.Fatalf("Unexpected error: %v", err)
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}
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ngx := controller.NewNGINXController(conf, fs)
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ngx := controller.NewNGINXController(conf, nil, fs)
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go handleSigterm(ngx, func(code int) {
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if code != 1 {
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@ -25,6 +25,7 @@ import (
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"time"
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"github.com/golang/glog"
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"github.com/mitchellh/hashstructure"
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apiv1 "k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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@ -148,38 +149,43 @@ func (n *NGINXController) syncIngress(interface{}) error {
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}
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}
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pcfg := ingress.Configuration{
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Backends: upstreams,
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Servers: servers,
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TCPEndpoints: n.getStreamServices(n.cfg.TCPConfigMapName, apiv1.ProtocolTCP),
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UDPEndpoints: n.getStreamServices(n.cfg.UDPConfigMapName, apiv1.ProtocolUDP),
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PassthroughBackends: passUpstreams,
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ConfigurationChecksum: n.store.GetBackendConfiguration().Checksum,
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pcfg := &ingress.Configuration{
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Backends: upstreams,
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Servers: servers,
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TCPEndpoints: n.getStreamServices(n.cfg.TCPConfigMapName, apiv1.ProtocolTCP),
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UDPEndpoints: n.getStreamServices(n.cfg.UDPConfigMapName, apiv1.ProtocolUDP),
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PassthroughBackends: passUpstreams,
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BackendConfigChecksum: n.store.GetBackendConfiguration().Checksum,
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}
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if n.runningConfig.Equal(&pcfg) {
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if n.runningConfig.Equal(pcfg) {
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glog.V(3).Infof("No configuration change detected, skipping backend reload.")
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return nil
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}
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if n.cfg.DynamicConfigurationEnabled && n.IsDynamicConfigurationEnough(&pcfg) {
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if n.cfg.DynamicConfigurationEnabled && n.IsDynamicConfigurationEnough(pcfg) {
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glog.Infof("Changes handled by the dynamic configuration, skipping backend reload.")
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} else {
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glog.Infof("Configuration changes detected, backend reload required.")
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err := n.OnUpdate(pcfg)
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hash, _ := hashstructure.Hash(pcfg, &hashstructure.HashOptions{
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TagName: "json",
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})
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pcfg.ConfigurationChecksum = fmt.Sprintf("%v", hash)
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err := n.OnUpdate(*pcfg)
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if err != nil {
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IncReloadErrorCount()
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ConfigSuccess(false)
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n.metricCollector.IncReloadErrorCount()
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n.metricCollector.ConfigSuccess(hash, false)
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glog.Errorf("Unexpected failure reloading the backend:\n%v", err)
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return err
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}
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glog.Infof("Backend successfully reloaded.")
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ConfigSuccess(true)
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IncReloadCount()
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setSSLExpireTime(servers)
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n.metricCollector.ConfigSuccess(hash, true)
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n.metricCollector.IncReloadCount()
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n.metricCollector.SetSSLExpireTime(servers)
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}
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if n.cfg.DynamicConfigurationEnabled {
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@ -191,7 +197,7 @@ func (n *NGINXController) syncIngress(interface{}) error {
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// it takes time for NGINX to start listening on the configured ports
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time.Sleep(1 * time.Second)
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}
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err := configureDynamically(&pcfg, n.cfg.ListenPorts.Status)
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err := configureDynamically(pcfg, n.cfg.ListenPorts.Status)
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if err == nil {
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glog.Infof("Dynamic reconfiguration succeeded.")
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} else {
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@ -200,7 +206,11 @@ func (n *NGINXController) syncIngress(interface{}) error {
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}(isFirstSync)
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}
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n.runningConfig = &pcfg
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ri := getRemovedIngresses(n.runningConfig, pcfg)
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re := getRemovedHosts(n.runningConfig, pcfg)
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n.metricCollector.RemoveMetrics(ri, re)
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n.runningConfig = pcfg
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return nil
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}
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@ -1112,3 +1122,57 @@ func extractTLSSecretName(host string, ing *extensions.Ingress,
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return ""
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}
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// getRemovedHosts returns a list of the hostsnames
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// that are not associated anymore to the NGINX configuration.
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func getRemovedHosts(rucfg, newcfg *ingress.Configuration) []string {
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old := sets.NewString()
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new := sets.NewString()
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for _, s := range rucfg.Servers {
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if !old.Has(s.Hostname) {
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old.Insert(s.Hostname)
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}
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}
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for _, s := range newcfg.Servers {
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if !new.Has(s.Hostname) {
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new.Insert(s.Hostname)
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}
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}
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return old.Difference(new).List()
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}
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func getRemovedIngresses(rucfg, newcfg *ingress.Configuration) []string {
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oldIngresses := sets.NewString()
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newIngresses := sets.NewString()
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for _, server := range rucfg.Servers {
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for _, location := range server.Locations {
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if location.Ingress == nil {
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continue
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}
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ingKey := k8s.MetaNamespaceKey(location.Ingress)
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if !oldIngresses.Has(ingKey) {
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oldIngresses.Insert(ingKey)
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}
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}
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}
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for _, server := range newcfg.Servers {
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for _, location := range server.Locations {
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if location.Ingress == nil {
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continue
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}
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ingKey := k8s.MetaNamespaceKey(location.Ingress)
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if !newIngresses.Has(ingKey) {
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newIngresses.Insert(ingKey)
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}
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}
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}
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return oldIngresses.Difference(newIngresses).List()
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}
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@ -1,120 +0,0 @@
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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See the License for the specific language governing permissions and
|
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limitations under the License.
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*/
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package controller
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import (
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"k8s.io/ingress-nginx/internal/ingress"
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)
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const (
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ns = "ingress_controller"
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operation = "count"
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reloadLabel = "reloads"
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sslLabelExpire = "ssl_expire_time_seconds"
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sslLabelHost = "host"
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)
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func init() {
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prometheus.MustRegister(reloadOperation)
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prometheus.MustRegister(reloadOperationErrors)
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prometheus.MustRegister(sslExpireTime)
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prometheus.MustRegister(configSuccess)
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prometheus.MustRegister(configSuccessTime)
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}
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var (
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configSuccess = prometheus.NewGauge(prometheus.GaugeOpts{
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Namespace: ns,
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Name: "config_last_reload_successfull",
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Help: `Whether the last configuration reload attemp was successful.
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Prometheus alert example:
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alert: IngressControllerFailedReload
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expr: ingress_controller_config_last_reload_successfull == 0
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for: 10m`,
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})
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configSuccessTime = prometheus.NewGauge(prometheus.GaugeOpts{
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Namespace: ns,
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Name: "config_last_reload_successfull_timestamp_seconds",
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Help: "Timestamp of the last successful configuration reload.",
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})
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// TODO depreciate this metrics in favor of ingress_controller_config_last_reload_successfull_timestamp_seconds
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reloadOperation = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: ns,
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Name: "success",
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Help: `DEPRECATED: use ingress_controller_config_last_reload_successfull_timestamp_seconds or ingress_controller_config_last_reload_successfull instead.
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Cumulative number of Ingress controller reload operations`,
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},
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[]string{operation},
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)
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// TODO depreciate this metrics in favor of ingress_controller_config_last_reload_successfull_timestamp_seconds
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reloadOperationErrors = prometheus.NewCounterVec(
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prometheus.CounterOpts{
|
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Namespace: ns,
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Name: "errors",
|
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Help: `DEPRECATED: use ingress_controller_config_last_reload_successfull_timestamp_seconds or ingress_controller_config_last_reload_successfull instead.
|
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Cumulative number of Ingress controller errors during reload operations`,
|
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},
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[]string{operation},
|
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)
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sslExpireTime = prometheus.NewGaugeVec(
|
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prometheus.GaugeOpts{
|
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Namespace: ns,
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Name: sslLabelExpire,
|
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Help: "Number of seconds since 1970 to the SSL Certificate expire. An example to check if this " +
|
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"certificate will expire in 10 days is: \"ingress_controller_ssl_expire_time_seconds < (time() + (10 * 24 * 3600))\"",
|
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},
|
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[]string{sslLabelHost},
|
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)
|
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)
|
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|
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// IncReloadCount increment the reload counter
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func IncReloadCount() {
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reloadOperation.WithLabelValues(reloadLabel).Inc()
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}
|
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|
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// IncReloadErrorCount increment the reload error counter
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func IncReloadErrorCount() {
|
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reloadOperationErrors.WithLabelValues(reloadLabel).Inc()
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}
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|
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// ConfigSuccess set a boolean flag according to the output of the controller configuration reload
|
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func ConfigSuccess(success bool) {
|
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if success {
|
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ConfigSuccessTime()
|
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configSuccess.Set(1)
|
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} else {
|
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configSuccess.Set(0)
|
||||
}
|
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}
|
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|
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// ConfigSuccessTime set the current timestamp when the controller is successfully reloaded
|
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func ConfigSuccessTime() {
|
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configSuccessTime.Set(float64(time.Now().Unix()))
|
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}
|
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|
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func setSSLExpireTime(servers []*ingress.Server) {
|
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for _, s := range servers {
|
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if s.Hostname != defServerName {
|
||||
sslExpireTime.WithLabelValues(s.Hostname).Set(float64(s.SSLCert.ExpireTime.Unix()))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -53,6 +53,7 @@ import (
|
|||
"k8s.io/ingress-nginx/internal/ingress/controller/process"
|
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"k8s.io/ingress-nginx/internal/ingress/controller/store"
|
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ngx_template "k8s.io/ingress-nginx/internal/ingress/controller/template"
|
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"k8s.io/ingress-nginx/internal/ingress/metric"
|
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"k8s.io/ingress-nginx/internal/ingress/status"
|
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ing_net "k8s.io/ingress-nginx/internal/net"
|
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"k8s.io/ingress-nginx/internal/net/dns"
|
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|
|
@ -70,7 +71,7 @@ var (
|
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)
|
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|
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// NewNGINXController creates a new NGINX Ingress controller.
|
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func NewNGINXController(config *Configuration, fs file.Filesystem) *NGINXController {
|
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func NewNGINXController(config *Configuration, mc metric.Collector, fs file.Filesystem) *NGINXController {
|
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eventBroadcaster := record.NewBroadcaster()
|
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eventBroadcaster.StartLogging(glog.Infof)
|
||||
eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{
|
||||
|
|
@ -103,6 +104,8 @@ func NewNGINXController(config *Configuration, fs file.Filesystem) *NGINXControl
|
|||
runningConfig: new(ingress.Configuration),
|
||||
|
||||
Proxy: &TCPProxy{},
|
||||
|
||||
metricCollector: mc,
|
||||
}
|
||||
|
||||
n.store = store.New(
|
||||
|
|
@ -243,6 +246,8 @@ type NGINXController struct {
|
|||
store store.Storer
|
||||
|
||||
fileSystem filesystem.Filesystem
|
||||
|
||||
metricCollector metric.Collector
|
||||
}
|
||||
|
||||
// Start starts a new NGINX master process running in the foreground.
|
||||
|
|
@ -590,6 +595,8 @@ func (n *NGINXController) OnUpdate(ingressCfg ingress.Configuration) error {
|
|||
DisableLua: n.cfg.DisableLua,
|
||||
}
|
||||
|
||||
tc.Cfg.Checksum = ingressCfg.ConfigurationChecksum
|
||||
|
||||
content, err := n.t.Write(tc)
|
||||
if err != nil {
|
||||
return err
|
||||
|
|
|
|||
|
|
@ -144,11 +144,11 @@ func TestConfigureDynamically(t *testing.T) {
|
|||
t.Fatal(err)
|
||||
}
|
||||
body := string(b)
|
||||
if strings.Index(body, "target") != -1 {
|
||||
if strings.Contains(body, "target") {
|
||||
t.Errorf("unexpected target reference in JSON content: %v", body)
|
||||
}
|
||||
|
||||
if strings.Index(body, "service") != -1 {
|
||||
if strings.Contains(body, "service") {
|
||||
t.Errorf("unexpected service reference in JSON content: %v", body)
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,289 +0,0 @@
|
|||
/*
|
||||
Copyright 2016 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collector
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"net"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
type socketData struct {
|
||||
Host string `json:"host"` // Label
|
||||
Status string `json:"status"` // Label
|
||||
|
||||
BytesSent float64 `json:"bytesSent"` // Metric
|
||||
|
||||
Protocol string `json:"protocol"` // Label
|
||||
Method string `json:"method"` // Label
|
||||
|
||||
RequestLength float64 `json:"requestLength"` // Metric
|
||||
RequestTime float64 `json:"requestTime"` // Metric
|
||||
|
||||
UpstreamName string `json:"upstreamName"` // Label
|
||||
UpstreamIP string `json:"upstreamIP"` // Label
|
||||
UpstreamResponseTime float64 `json:"upstreamResponseTime"` // Metric
|
||||
UpstreamStatus string `json:"upstreamStatus"` // Label
|
||||
|
||||
Namespace string `json:"namespace"` // Label
|
||||
Ingress string `json:"ingress"` // Label
|
||||
Service string `json:"service"` // Label
|
||||
Path string `json:"path"` // Label
|
||||
}
|
||||
|
||||
// SocketCollector stores prometheus metrics and ingress meta-data
|
||||
type SocketCollector struct {
|
||||
upstreamResponseTime *prometheus.HistogramVec
|
||||
requestTime *prometheus.HistogramVec
|
||||
requestLength *prometheus.HistogramVec
|
||||
bytesSent *prometheus.HistogramVec
|
||||
collectorSuccess *prometheus.GaugeVec
|
||||
collectorSuccessTime *prometheus.GaugeVec
|
||||
requests *prometheus.CounterVec
|
||||
listener net.Listener
|
||||
ns string
|
||||
ingressClass string
|
||||
}
|
||||
|
||||
// NewInstance creates a new SocketCollector instance
|
||||
func NewInstance(ns string, class string) error {
|
||||
sc := SocketCollector{}
|
||||
|
||||
ns = strings.Replace(ns, "-", "_", -1)
|
||||
|
||||
listener, err := net.Listen("unix", "/tmp/prometheus-nginx.socket")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
sc.listener = listener
|
||||
sc.ns = ns
|
||||
sc.ingressClass = class
|
||||
|
||||
requestTags := []string{"host", "status", "protocol", "method", "path", "upstream_name", "upstream_ip", "upstream_status", "namespace", "ingress", "service"}
|
||||
collectorTags := []string{"namespace", "ingress_class"}
|
||||
|
||||
sc.upstreamResponseTime = prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "upstream_response_time_seconds",
|
||||
Help: "The time spent on receiving the response from the upstream server",
|
||||
Namespace: ns,
|
||||
},
|
||||
requestTags,
|
||||
)
|
||||
|
||||
sc.requestTime = prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "request_duration_seconds",
|
||||
Help: "The request processing time in seconds",
|
||||
Namespace: ns,
|
||||
},
|
||||
requestTags,
|
||||
)
|
||||
|
||||
sc.requestLength = prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "request_length_bytes",
|
||||
Help: "The request length (including request line, header, and request body)",
|
||||
Namespace: ns,
|
||||
Buckets: prometheus.LinearBuckets(10, 10, 10), // 10 buckets, each 10 bytes wide.
|
||||
},
|
||||
requestTags,
|
||||
)
|
||||
|
||||
sc.requests = prometheus.NewCounterVec(
|
||||
prometheus.CounterOpts{
|
||||
Name: "requests",
|
||||
Help: "The total number of client requests.",
|
||||
Namespace: ns,
|
||||
},
|
||||
collectorTags,
|
||||
)
|
||||
|
||||
sc.bytesSent = prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "bytes_sent",
|
||||
Help: "The the number of bytes sent to a client",
|
||||
Namespace: ns,
|
||||
Buckets: prometheus.ExponentialBuckets(10, 10, 7), // 7 buckets, exponential factor of 10.
|
||||
},
|
||||
requestTags,
|
||||
)
|
||||
|
||||
sc.collectorSuccess = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "collector_last_run_successful",
|
||||
Help: "Whether the last collector run was successful (success = 1, failure = 0).",
|
||||
Namespace: ns,
|
||||
},
|
||||
collectorTags,
|
||||
)
|
||||
|
||||
sc.collectorSuccessTime = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "collector_last_run_successful_timestamp_seconds",
|
||||
Help: "Timestamp of the last successful collector run",
|
||||
Namespace: ns,
|
||||
},
|
||||
collectorTags,
|
||||
)
|
||||
|
||||
prometheus.MustRegister(sc.upstreamResponseTime)
|
||||
prometheus.MustRegister(sc.requestTime)
|
||||
prometheus.MustRegister(sc.requestLength)
|
||||
prometheus.MustRegister(sc.requests)
|
||||
prometheus.MustRegister(sc.bytesSent)
|
||||
prometheus.MustRegister(sc.collectorSuccess)
|
||||
prometheus.MustRegister(sc.collectorSuccessTime)
|
||||
|
||||
go sc.Run()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sc *SocketCollector) handleMessage(msg []byte) {
|
||||
glog.V(5).Infof("msg: %v", string(msg))
|
||||
|
||||
collectorSuccess := true
|
||||
|
||||
// Unmarshall bytes
|
||||
var stats socketData
|
||||
err := json.Unmarshal(msg, &stats)
|
||||
if err != nil {
|
||||
glog.Errorf("Unexpected error deserializing JSON paylod: %v", err)
|
||||
collectorSuccess = false
|
||||
return
|
||||
}
|
||||
|
||||
// Create Request Labels Map
|
||||
requestLabels := prometheus.Labels{
|
||||
"host": stats.Host,
|
||||
"status": stats.Status,
|
||||
"protocol": stats.Protocol,
|
||||
"method": stats.Method,
|
||||
"path": stats.Path,
|
||||
"upstream_name": stats.UpstreamName,
|
||||
"upstream_ip": stats.UpstreamIP,
|
||||
"upstream_status": stats.UpstreamStatus,
|
||||
"namespace": stats.Namespace,
|
||||
"ingress": stats.Ingress,
|
||||
"service": stats.Service,
|
||||
}
|
||||
|
||||
// Create Collector Labels Map
|
||||
collectorLabels := prometheus.Labels{
|
||||
"namespace": sc.ns,
|
||||
"ingress_class": sc.ingressClass,
|
||||
}
|
||||
|
||||
// Emit metrics
|
||||
requestsMetric, err := sc.requests.GetMetricWith(collectorLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching requests metric: %v", err)
|
||||
collectorSuccess = false
|
||||
} else {
|
||||
requestsMetric.Inc()
|
||||
}
|
||||
|
||||
if stats.UpstreamResponseTime != -1 {
|
||||
upstreamResponseTimeMetric, err := sc.upstreamResponseTime.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching upstream response time metric: %v", err)
|
||||
collectorSuccess = false
|
||||
} else {
|
||||
upstreamResponseTimeMetric.Observe(stats.UpstreamResponseTime)
|
||||
}
|
||||
}
|
||||
|
||||
if stats.RequestTime != -1 {
|
||||
requestTimeMetric, err := sc.requestTime.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching request duration metric: %v", err)
|
||||
collectorSuccess = false
|
||||
} else {
|
||||
requestTimeMetric.Observe(stats.RequestTime)
|
||||
}
|
||||
}
|
||||
|
||||
if stats.RequestLength != -1 {
|
||||
requestLengthMetric, err := sc.requestLength.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching request length metric: %v", err)
|
||||
collectorSuccess = false
|
||||
} else {
|
||||
requestLengthMetric.Observe(stats.RequestLength)
|
||||
}
|
||||
}
|
||||
|
||||
if stats.BytesSent != -1 {
|
||||
bytesSentMetric, err := sc.bytesSent.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching bytes sent metric: %v", err)
|
||||
collectorSuccess = false
|
||||
} else {
|
||||
bytesSentMetric.Observe(stats.BytesSent)
|
||||
}
|
||||
}
|
||||
|
||||
collectorSuccessMetric, err := sc.collectorSuccess.GetMetricWith(collectorLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching collector success metric: %v", err)
|
||||
} else {
|
||||
if collectorSuccess {
|
||||
collectorSuccessMetric.Set(1)
|
||||
collectorSuccessTimeMetric, err := sc.collectorSuccessTime.GetMetricWith(collectorLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching collector success time metric: %v", err)
|
||||
} else {
|
||||
collectorSuccessTimeMetric.Set(float64(time.Now().Unix()))
|
||||
}
|
||||
} else {
|
||||
collectorSuccessMetric.Set(0)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Run listen for connections in the unix socket and spawns a goroutine to process the content
|
||||
func (sc *SocketCollector) Run() {
|
||||
for {
|
||||
conn, err := sc.listener.Accept()
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
go handleMessages(conn, sc.handleMessage)
|
||||
}
|
||||
}
|
||||
|
||||
const packetSize = 1024 * 65
|
||||
|
||||
// handleMessages process the content received in a network connection
|
||||
func handleMessages(conn net.Conn, fn func([]byte)) {
|
||||
defer conn.Close()
|
||||
|
||||
msg := make([]byte, packetSize)
|
||||
s, err := conn.Read(msg[0:])
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
fn(msg[0:s])
|
||||
}
|
||||
|
|
@ -1,66 +0,0 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collector
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
|
||||
func TestNewUDPLogListener(t *testing.T) {
|
||||
var count uint64
|
||||
|
||||
fn := func(message []byte) {
|
||||
t.Logf("message: %v", string(message))
|
||||
atomic.AddUint64(&count, 1)
|
||||
}
|
||||
|
||||
tmpFile := fmt.Sprintf("/tmp/test-socket-%v", time.Now().Nanosecond())
|
||||
|
||||
l, err := net.Listen("unix", tmpFile)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating unix socket: %v", err)
|
||||
}
|
||||
if l == nil {
|
||||
t.Fatalf("expected a listener but none returned")
|
||||
}
|
||||
|
||||
defer l.Close()
|
||||
|
||||
go func() {
|
||||
for {
|
||||
conn, err := l.Accept()
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
go handleMessages(conn, fn)
|
||||
}
|
||||
}()
|
||||
|
||||
conn, _ := net.Dial("unix", tmpFile)
|
||||
conn.Write([]byte("message"))
|
||||
conn.Close()
|
||||
|
||||
time.Sleep(1 * time.Millisecond)
|
||||
if count != 1 {
|
||||
t.Errorf("expected only one message from the UDP listern but %v returned", count)
|
||||
}
|
||||
}
|
||||
218
internal/ingress/metric/collectors/controller.go
Normal file
218
internal/ingress/metric/collectors/controller.go
Normal file
|
|
@ -0,0 +1,218 @@
|
|||
/*
|
||||
Copyright 2015 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"time"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
|
||||
"k8s.io/apimachinery/pkg/util/sets"
|
||||
"k8s.io/ingress-nginx/internal/ingress"
|
||||
)
|
||||
|
||||
var (
|
||||
operation = []string{"namespace", "class"}
|
||||
sslLabelHost = []string{"namespace", "class", "host"}
|
||||
)
|
||||
|
||||
// Controller defines base metrics about the ingress controller
|
||||
type Controller struct {
|
||||
prometheus.Collector
|
||||
|
||||
configHash prometheus.Gauge
|
||||
configSuccess prometheus.Gauge
|
||||
configSuccessTime prometheus.Gauge
|
||||
|
||||
reloadOperation *prometheus.CounterVec
|
||||
reloadOperationErrors *prometheus.CounterVec
|
||||
sslExpireTime *prometheus.GaugeVec
|
||||
|
||||
labels prometheus.Labels
|
||||
}
|
||||
|
||||
// NewController creates a new prometheus collector for the
|
||||
// Ingress controller operations
|
||||
func NewController(pod, namespace, class string) *Controller {
|
||||
constLabels := prometheus.Labels{
|
||||
"controller_namespace": namespace,
|
||||
"controller_class": class,
|
||||
"controller_pod": pod,
|
||||
}
|
||||
|
||||
cm := &Controller{
|
||||
labels: prometheus.Labels{
|
||||
"namespace": namespace,
|
||||
"class": class,
|
||||
},
|
||||
|
||||
configHash: prometheus.NewGauge(
|
||||
prometheus.GaugeOpts{
|
||||
Namespace: PrometheusNamespace,
|
||||
Name: "config_hash",
|
||||
Help: "Running configuration hash actually running",
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
),
|
||||
configSuccess: prometheus.NewGauge(
|
||||
prometheus.GaugeOpts{
|
||||
Namespace: PrometheusNamespace,
|
||||
Name: "config_last_reload_successful",
|
||||
Help: "Whether the last configuration reload attemp was successful",
|
||||
ConstLabels: constLabels,
|
||||
}),
|
||||
configSuccessTime: prometheus.NewGauge(
|
||||
prometheus.GaugeOpts{
|
||||
Namespace: PrometheusNamespace,
|
||||
Name: "config_last_reload_successful_timestamp_seconds",
|
||||
Help: "Timestamp of the last successful configuration reload.",
|
||||
ConstLabels: constLabels,
|
||||
}),
|
||||
reloadOperation: prometheus.NewCounterVec(
|
||||
prometheus.CounterOpts{
|
||||
Namespace: PrometheusNamespace,
|
||||
Name: "success",
|
||||
Help: `Cumulative number of Ingress controller reload operations`,
|
||||
},
|
||||
operation,
|
||||
),
|
||||
reloadOperationErrors: prometheus.NewCounterVec(
|
||||
prometheus.CounterOpts{
|
||||
Namespace: PrometheusNamespace,
|
||||
Name: "errors",
|
||||
Help: `Cumulative number of Ingress controller errors during reload operations`,
|
||||
},
|
||||
operation,
|
||||
),
|
||||
sslExpireTime: prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Namespace: PrometheusNamespace,
|
||||
Name: "ssl_expire_time_seconds",
|
||||
Help: `Number of seconds since 1970 to the SSL Certificate expire.
|
||||
An example to check if this certificate will expire in 10 days is: "nginx_ingress_controller_ssl_expire_time_seconds < (time() + (10 * 24 * 3600))"`,
|
||||
},
|
||||
sslLabelHost,
|
||||
),
|
||||
}
|
||||
|
||||
return cm
|
||||
}
|
||||
|
||||
// IncReloadCount increment the reload counter
|
||||
func (cm *Controller) IncReloadCount() {
|
||||
cm.reloadOperation.With(cm.labels).Inc()
|
||||
}
|
||||
|
||||
// IncReloadErrorCount increment the reload error counter
|
||||
func (cm *Controller) IncReloadErrorCount() {
|
||||
cm.reloadOperationErrors.With(cm.labels).Inc()
|
||||
}
|
||||
|
||||
// ConfigSuccess set a boolean flag according to the output of the controller configuration reload
|
||||
func (cm *Controller) ConfigSuccess(hash uint64, success bool) {
|
||||
if success {
|
||||
cm.configSuccessTime.Set(float64(time.Now().Unix()))
|
||||
cm.configSuccess.Set(1)
|
||||
|
||||
cm.configHash.Set(float64(hash))
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
cm.configSuccess.Set(0)
|
||||
cm.configHash.Set(0)
|
||||
}
|
||||
|
||||
// Describe implements prometheus.Collector
|
||||
func (cm Controller) Describe(ch chan<- *prometheus.Desc) {
|
||||
cm.configHash.Describe(ch)
|
||||
cm.configSuccess.Describe(ch)
|
||||
cm.configSuccessTime.Describe(ch)
|
||||
cm.reloadOperation.Describe(ch)
|
||||
cm.reloadOperationErrors.Describe(ch)
|
||||
cm.sslExpireTime.Describe(ch)
|
||||
}
|
||||
|
||||
// Collect implements the prometheus.Collector interface.
|
||||
func (cm Controller) Collect(ch chan<- prometheus.Metric) {
|
||||
cm.configHash.Collect(ch)
|
||||
cm.configSuccess.Collect(ch)
|
||||
cm.configSuccessTime.Collect(ch)
|
||||
cm.reloadOperation.Collect(ch)
|
||||
cm.reloadOperationErrors.Collect(ch)
|
||||
cm.sslExpireTime.Collect(ch)
|
||||
}
|
||||
|
||||
// SetSSLExpireTime sets the expiration time of SSL Certificates
|
||||
func (cm *Controller) SetSSLExpireTime(servers []*ingress.Server) {
|
||||
for _, s := range servers {
|
||||
if s.Hostname != "" && s.SSLCert.ExpireTime.Unix() > 0 {
|
||||
labels := make(prometheus.Labels, len(cm.labels)+1)
|
||||
for k, v := range cm.labels {
|
||||
labels[k] = v
|
||||
}
|
||||
labels["host"] = s.Hostname
|
||||
|
||||
cm.sslExpireTime.With(labels).Set(float64(s.SSLCert.ExpireTime.Unix()))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// RemoveMetrics removes metrics for hostames not available anymore
|
||||
func (cm *Controller) RemoveMetrics(hosts []string, registry prometheus.Gatherer) {
|
||||
mfs, err := registry.Gather()
|
||||
if err != nil {
|
||||
glog.Errorf("Error gathering metrics: %v", err)
|
||||
return
|
||||
}
|
||||
|
||||
glog.V(2).Infof("removing SSL certificate metrics for %v hosts", hosts)
|
||||
toRemove := sets.NewString(hosts...)
|
||||
|
||||
for _, mf := range mfs {
|
||||
metricName := mf.GetName()
|
||||
if "ssl_expire_time_seconds" != metricName {
|
||||
continue
|
||||
}
|
||||
|
||||
for _, m := range mf.GetMetric() {
|
||||
labels := make(map[string]string, len(m.GetLabel()))
|
||||
for _, labelPair := range m.GetLabel() {
|
||||
labels[*labelPair.Name] = *labelPair.Value
|
||||
}
|
||||
|
||||
// remove labels that are constant
|
||||
deleteConstants(labels)
|
||||
|
||||
host, ok := labels["host"]
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
|
||||
if !toRemove.Has(host) {
|
||||
continue
|
||||
}
|
||||
|
||||
glog.V(2).Infof("Removing prometheus metric from gauge %v for host %v", metricName, host)
|
||||
removed := cm.sslExpireTime.Delete(labels)
|
||||
if !removed {
|
||||
glog.V(2).Infof("metric %v for host %v with labels not removed: %v", metricName, host, labels)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
122
internal/ingress/metric/collectors/controller_test.go
Normal file
122
internal/ingress/metric/collectors/controller_test.go
Normal file
|
|
@ -0,0 +1,122 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"k8s.io/ingress-nginx/internal/ingress"
|
||||
)
|
||||
|
||||
func TestControllerCounters(t *testing.T) {
|
||||
const metadata = `
|
||||
# HELP nginx_ingress_controller_config_last_reload_successful Whether the last configuration reload attemp was successful
|
||||
# TYPE nginx_ingress_controller_config_last_reload_successful gauge
|
||||
# HELP nginx_ingress_controller_success Cumulative number of Ingress controller reload operations
|
||||
# TYPE nginx_ingress_controller_success counter
|
||||
`
|
||||
cases := []struct {
|
||||
name string
|
||||
test func(*Controller)
|
||||
metrics []string
|
||||
want string
|
||||
}{
|
||||
{
|
||||
name: "should return not increment in metrics if no operations are invoked",
|
||||
test: func(cm *Controller) {
|
||||
},
|
||||
want: metadata + `
|
||||
nginx_ingress_controller_config_last_reload_successful{controller_class="nginx",controller_namespace="default",controller_pod="pod"} 0
|
||||
`,
|
||||
metrics: []string{"nginx_ingress_controller_config_last_reload_successful", "nginx_ingress_controller_success"},
|
||||
},
|
||||
{
|
||||
name: "single increase in reload count should return 1",
|
||||
test: func(cm *Controller) {
|
||||
cm.IncReloadCount()
|
||||
cm.ConfigSuccess(0, true)
|
||||
},
|
||||
want: metadata + `
|
||||
nginx_ingress_controller_config_last_reload_successful{controller_class="nginx",controller_namespace="default",controller_pod="pod"} 1
|
||||
nginx_ingress_controller_success{class="nginx",namespace="default"} 1
|
||||
`,
|
||||
metrics: []string{"nginx_ingress_controller_config_last_reload_successful", "nginx_ingress_controller_success"},
|
||||
},
|
||||
{
|
||||
name: "single increase in error reload count should return 1",
|
||||
test: func(cm *Controller) {
|
||||
cm.IncReloadErrorCount()
|
||||
},
|
||||
want: `
|
||||
# HELP nginx_ingress_controller_errors Cumulative number of Ingress controller errors during reload operations
|
||||
# TYPE nginx_ingress_controller_errors counter
|
||||
nginx_ingress_controller_errors{class="nginx",namespace="default"} 1
|
||||
`,
|
||||
metrics: []string{"nginx_ingress_controller_errors"},
|
||||
},
|
||||
{
|
||||
name: "should set SSL certificates metrics",
|
||||
test: func(cm *Controller) {
|
||||
t1, _ := time.Parse(
|
||||
time.RFC3339,
|
||||
"2012-11-01T22:08:41+00:00")
|
||||
|
||||
servers := []*ingress.Server{
|
||||
{
|
||||
Hostname: "demo",
|
||||
SSLCert: ingress.SSLCert{
|
||||
ExpireTime: t1,
|
||||
},
|
||||
},
|
||||
{
|
||||
Hostname: "invalid",
|
||||
SSLCert: ingress.SSLCert{
|
||||
ExpireTime: time.Unix(0, 0),
|
||||
},
|
||||
},
|
||||
}
|
||||
cm.SetSSLExpireTime(servers)
|
||||
},
|
||||
want: `
|
||||
# HELP nginx_ingress_controller_ssl_expire_time_seconds Number of seconds since 1970 to the SSL Certificate expire.\n An example to check if this certificate will expire in 10 days is: "nginx_ingress_controller_ssl_expire_time_seconds < (time() + (10 * 24 * 3600))"
|
||||
# TYPE nginx_ingress_controller_ssl_expire_time_seconds gauge
|
||||
nginx_ingress_controller_ssl_expire_time_seconds{class="nginx",host="demo",namespace="default"} 1.351807721e+09
|
||||
`,
|
||||
metrics: []string{"nginx_ingress_controller_ssl_expire_time_seconds"},
|
||||
},
|
||||
}
|
||||
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
cm := NewController("pod", "default", "nginx")
|
||||
reg := prometheus.NewPedanticRegistry()
|
||||
if err := reg.Register(cm); err != nil {
|
||||
t.Errorf("registering collector failed: %s", err)
|
||||
}
|
||||
|
||||
c.test(cm)
|
||||
|
||||
if err := GatherAndCompare(cm, c.want, c.metrics, reg); err != nil {
|
||||
t.Errorf("unexpected collecting result:\n%s", err)
|
||||
}
|
||||
|
||||
reg.Unregister(cm)
|
||||
})
|
||||
}
|
||||
}
|
||||
20
internal/ingress/metric/collectors/main.go
Normal file
20
internal/ingress/metric/collectors/main.go
Normal file
|
|
@ -0,0 +1,20 @@
|
|||
/*
|
||||
Copyright 2015 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
// PrometheusNamespace default metric namespace
|
||||
var PrometheusNamespace = "nginx_ingress_controller"
|
||||
|
|
@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
|
|||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collector
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
|
@ -24,7 +24,6 @@ import (
|
|||
"strconv"
|
||||
|
||||
"github.com/golang/glog"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
|
|
@ -38,12 +37,12 @@ var (
|
|||
|
||||
type (
|
||||
nginxStatusCollector struct {
|
||||
scrapeChan chan scrapeRequest
|
||||
ngxHealthPort int
|
||||
ngxStatusPath string
|
||||
data *nginxStatusData
|
||||
watchNamespace string
|
||||
ingressClass string
|
||||
scrapeChan chan scrapeRequest
|
||||
|
||||
ngxHealthPort int
|
||||
ngxStatusPath string
|
||||
|
||||
data *nginxStatusData
|
||||
}
|
||||
|
||||
nginxStatusData struct {
|
||||
|
|
@ -70,44 +69,47 @@ type (
|
|||
}
|
||||
)
|
||||
|
||||
// InitNGINXStatusCollector returns a new prometheus collector the default nginx status module
|
||||
func InitNGINXStatusCollector(watchNamespace, ingressClass string, ngxHealthPort int) error {
|
||||
const ns string = "nginx"
|
||||
const ngxStatusPath = "/nginx_status"
|
||||
// NGINXStatusCollector defines a status collector interface
|
||||
type NGINXStatusCollector interface {
|
||||
prometheus.Collector
|
||||
|
||||
Start()
|
||||
Stop()
|
||||
}
|
||||
|
||||
// NewNGINXStatus returns a new prometheus collector the default nginx status module
|
||||
func NewNGINXStatus(podName, namespace, ingressClass string, ngxHealthPort int) (NGINXStatusCollector, error) {
|
||||
|
||||
p := nginxStatusCollector{
|
||||
scrapeChan: make(chan scrapeRequest),
|
||||
ngxHealthPort: ngxHealthPort,
|
||||
ngxStatusPath: ngxStatusPath,
|
||||
watchNamespace: watchNamespace,
|
||||
ingressClass: ingressClass,
|
||||
scrapeChan: make(chan scrapeRequest),
|
||||
ngxHealthPort: ngxHealthPort,
|
||||
ngxStatusPath: "/nginx_status",
|
||||
}
|
||||
|
||||
constLabels := prometheus.Labels{
|
||||
"controller_namespace": namespace,
|
||||
"controller_class": ingressClass,
|
||||
"controller_pod": podName,
|
||||
}
|
||||
|
||||
p.data = &nginxStatusData{
|
||||
connectionsTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(ns, "", "connections_total"),
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "connections_total"),
|
||||
"total number of connections with state {active, accepted, handled}",
|
||||
[]string{"ingress_class", "namespace", "state"}, nil),
|
||||
[]string{"state"}, constLabels),
|
||||
|
||||
requestsTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(ns, "", "requests_total"),
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "requests_total"),
|
||||
"total number of client requests",
|
||||
[]string{"ingress_class", "namespace"}, nil),
|
||||
nil, constLabels),
|
||||
|
||||
connections: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(ns, "", "connections"),
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "connections"),
|
||||
"current number of client connections with state {reading, writing, waiting}",
|
||||
[]string{"ingress_class", "namespace", "state"}, nil),
|
||||
[]string{"state"}, constLabels),
|
||||
}
|
||||
|
||||
err := prometheus.Register(p)
|
||||
|
||||
if err != nil {
|
||||
return fmt.Errorf("error while registering nginx status collector : %v", err)
|
||||
}
|
||||
|
||||
go p.Run()
|
||||
|
||||
return nil
|
||||
return p, nil
|
||||
}
|
||||
|
||||
// Describe implements prometheus.Collector.
|
||||
|
|
@ -124,7 +126,7 @@ func (p nginxStatusCollector) Collect(ch chan<- prometheus.Metric) {
|
|||
<-req.done
|
||||
}
|
||||
|
||||
func (p nginxStatusCollector) Run() {
|
||||
func (p nginxStatusCollector) Start() {
|
||||
for req := range p.scrapeChan {
|
||||
ch := req.results
|
||||
p.scrape(ch)
|
||||
|
|
@ -207,17 +209,17 @@ func (p nginxStatusCollector) scrape(ch chan<- prometheus.Metric) {
|
|||
}
|
||||
|
||||
ch <- prometheus.MustNewConstMetric(p.data.connectionsTotal,
|
||||
prometheus.CounterValue, float64(s.Active), p.ingressClass, p.watchNamespace, "active")
|
||||
prometheus.CounterValue, float64(s.Active), "active")
|
||||
ch <- prometheus.MustNewConstMetric(p.data.connectionsTotal,
|
||||
prometheus.CounterValue, float64(s.Accepted), p.ingressClass, p.watchNamespace, "accepted")
|
||||
prometheus.CounterValue, float64(s.Accepted), "accepted")
|
||||
ch <- prometheus.MustNewConstMetric(p.data.connectionsTotal,
|
||||
prometheus.CounterValue, float64(s.Handled), p.ingressClass, p.watchNamespace, "handled")
|
||||
prometheus.CounterValue, float64(s.Handled), "handled")
|
||||
ch <- prometheus.MustNewConstMetric(p.data.requestsTotal,
|
||||
prometheus.CounterValue, float64(s.Requests), p.ingressClass, p.watchNamespace)
|
||||
prometheus.CounterValue, float64(s.Requests))
|
||||
ch <- prometheus.MustNewConstMetric(p.data.connections,
|
||||
prometheus.GaugeValue, float64(s.Reading), p.ingressClass, p.watchNamespace, "reading")
|
||||
prometheus.GaugeValue, float64(s.Reading), "reading")
|
||||
ch <- prometheus.MustNewConstMetric(p.data.connections,
|
||||
prometheus.GaugeValue, float64(s.Writing), p.ingressClass, p.watchNamespace, "writing")
|
||||
prometheus.GaugeValue, float64(s.Writing), "writing")
|
||||
ch <- prometheus.MustNewConstMetric(p.data.connections,
|
||||
prometheus.GaugeValue, float64(s.Waiting), p.ingressClass, p.watchNamespace, "waiting")
|
||||
prometheus.GaugeValue, float64(s.Waiting), "waiting")
|
||||
}
|
||||
129
internal/ingress/metric/collectors/nginx_status_test.go
Normal file
129
internal/ingress/metric/collectors/nginx_status_test.go
Normal file
|
|
@ -0,0 +1,129 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"testing"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
func TestStatusCollector(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
mock string
|
||||
metrics []string
|
||||
want string
|
||||
}{
|
||||
{
|
||||
name: "should return empty metrics",
|
||||
mock: `
|
||||
`,
|
||||
want: `
|
||||
# HELP nginx_ingress_controller_nginx_process_connections_total total number of connections with state {active, accepted, handled}
|
||||
# TYPE nginx_ingress_controller_nginx_process_connections_total counter
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="accepted"} 0
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="active"} 0
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="handled"} 0
|
||||
`,
|
||||
metrics: []string{"nginx_ingress_controller_nginx_process_connections_total"},
|
||||
},
|
||||
{
|
||||
name: "should return metrics for total connections",
|
||||
mock: `
|
||||
Active connections: 1
|
||||
server accepts handled requests
|
||||
1 2 3
|
||||
Reading: 4 Writing: 5 Waiting: 6
|
||||
`,
|
||||
want: `
|
||||
# HELP nginx_ingress_controller_nginx_process_connections_total total number of connections with state {active, accepted, handled}
|
||||
# TYPE nginx_ingress_controller_nginx_process_connections_total counter
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="accepted"} 1
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="active"} 1
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="handled"} 2
|
||||
`,
|
||||
metrics: []string{"nginx_ingress_controller_nginx_process_connections_total"},
|
||||
},
|
||||
{
|
||||
name: "should return nginx metrics all available metrics",
|
||||
mock: `
|
||||
Active connections: 1
|
||||
server accepts handled requests
|
||||
1 2 3
|
||||
Reading: 4 Writing: 5 Waiting: 6
|
||||
`,
|
||||
want: `
|
||||
# HELP nginx_ingress_controller_nginx_process_connections current number of client connections with state {reading, writing, waiting}
|
||||
# TYPE nginx_ingress_controller_nginx_process_connections gauge
|
||||
nginx_ingress_controller_nginx_process_connections{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="reading"} 4
|
||||
nginx_ingress_controller_nginx_process_connections{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="waiting"} 6
|
||||
nginx_ingress_controller_nginx_process_connections{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="writing"} 5
|
||||
# HELP nginx_ingress_controller_nginx_process_connections_total total number of connections with state {active, accepted, handled}
|
||||
# TYPE nginx_ingress_controller_nginx_process_connections_total counter
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="accepted"} 1
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="active"} 1
|
||||
nginx_ingress_controller_nginx_process_connections_total{controller_class="nginx",controller_namespace="default",controller_pod="pod",state="handled"} 2
|
||||
# HELP nginx_ingress_controller_nginx_process_requests_total total number of client requests
|
||||
# TYPE nginx_ingress_controller_nginx_process_requests_total counter
|
||||
nginx_ingress_controller_nginx_process_requests_total{controller_class="nginx",controller_namespace="default",controller_pod="pod"} 3
|
||||
`,
|
||||
metrics: []string{
|
||||
"nginx_ingress_controller_nginx_process_connections_total",
|
||||
"nginx_ingress_controller_nginx_process_requests_total",
|
||||
"nginx_ingress_controller_nginx_process_connections",
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
fmt.Fprintf(w, c.mock)
|
||||
}))
|
||||
p := server.Listener.Addr().(*net.TCPAddr).Port
|
||||
|
||||
cm, err := NewNGINXStatus("pod", "default", "nginx", p)
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error creating nginx status collector: %v", err)
|
||||
}
|
||||
|
||||
go cm.Start()
|
||||
|
||||
defer func() {
|
||||
server.Close()
|
||||
cm.Stop()
|
||||
}()
|
||||
|
||||
reg := prometheus.NewPedanticRegistry()
|
||||
if err := reg.Register(cm); err != nil {
|
||||
t.Errorf("registering collector failed: %s", err)
|
||||
}
|
||||
|
||||
if err := GatherAndCompare(cm, c.want, c.metrics, reg); err != nil {
|
||||
t.Errorf("unexpected collecting result:\n%s", err)
|
||||
}
|
||||
|
||||
reg.Unregister(cm)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
|
|||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collector
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"path/filepath"
|
||||
|
|
@ -71,60 +71,84 @@ type namedProcess struct {
|
|||
data namedProcessData
|
||||
}
|
||||
|
||||
// newNamedProcess returns a new prometheus collector for the nginx process
|
||||
func newNamedProcess(children bool, mn common.MatchNamer) (prometheus.Collector, error) {
|
||||
const subSystem = "nginx_process"
|
||||
|
||||
// NGINXProcessCollector defines a process collector interface
|
||||
type NGINXProcessCollector interface {
|
||||
prometheus.Collector
|
||||
|
||||
Start()
|
||||
Stop()
|
||||
}
|
||||
|
||||
var name = "nginx"
|
||||
var binary = "/usr/bin/nginx"
|
||||
|
||||
// NewNGINXProcess returns a new prometheus collector for the nginx process
|
||||
func NewNGINXProcess(pod, namespace, ingressClass string) (NGINXProcessCollector, error) {
|
||||
fs, err := proc.NewFS("/proc")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
nm := BinaryNameMatcher{
|
||||
Name: name,
|
||||
Binary: binary,
|
||||
}
|
||||
|
||||
p := namedProcess{
|
||||
scrapeChan: make(chan scrapeRequest),
|
||||
Grouper: proc.NewGrouper(children, mn),
|
||||
Grouper: proc.NewGrouper(true, nm),
|
||||
fs: fs,
|
||||
}
|
||||
|
||||
_, err = p.Update(p.fs.AllProcs())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
p.data = namedProcessData{
|
||||
numProcs: prometheus.NewDesc(
|
||||
"num_procs",
|
||||
"number of processes",
|
||||
nil, nil),
|
||||
|
||||
cpuSecs: prometheus.NewDesc(
|
||||
"cpu_seconds_total",
|
||||
"Cpu usage in seconds",
|
||||
nil, nil),
|
||||
|
||||
readBytes: prometheus.NewDesc(
|
||||
"read_bytes_total",
|
||||
"number of bytes read",
|
||||
nil, nil),
|
||||
|
||||
writeBytes: prometheus.NewDesc(
|
||||
"write_bytes_total",
|
||||
"number of bytes written",
|
||||
nil, nil),
|
||||
|
||||
memResidentbytes: prometheus.NewDesc(
|
||||
"resident_memory_bytes",
|
||||
"number of bytes of memory in use",
|
||||
nil, nil),
|
||||
|
||||
memVirtualbytes: prometheus.NewDesc(
|
||||
"virtual_memory_bytes",
|
||||
"number of bytes of memory in use",
|
||||
nil, nil),
|
||||
|
||||
startTime: prometheus.NewDesc(
|
||||
"oldest_start_time_seconds",
|
||||
"start time in seconds since 1970/01/01",
|
||||
nil, nil),
|
||||
constLabels := prometheus.Labels{
|
||||
"controller_namespace": namespace,
|
||||
"controller_class": ingressClass,
|
||||
"controller_pod": pod,
|
||||
}
|
||||
|
||||
go p.start()
|
||||
p.data = namedProcessData{
|
||||
numProcs: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "num_procs"),
|
||||
"number of processes",
|
||||
nil, constLabels),
|
||||
|
||||
cpuSecs: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "cpu_seconds_total"),
|
||||
"Cpu usage in seconds",
|
||||
nil, constLabels),
|
||||
|
||||
readBytes: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "read_bytes_total"),
|
||||
"number of bytes read",
|
||||
nil, constLabels),
|
||||
|
||||
writeBytes: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "write_bytes_total"),
|
||||
"number of bytes written",
|
||||
nil, constLabels),
|
||||
|
||||
memResidentbytes: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "resident_memory_bytes"),
|
||||
"number of bytes of memory in use",
|
||||
nil, constLabels),
|
||||
|
||||
memVirtualbytes: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "virtual_memory_bytes"),
|
||||
"number of bytes of memory in use",
|
||||
nil, constLabels),
|
||||
|
||||
startTime: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(PrometheusNamespace, subSystem, "oldest_start_time_seconds"),
|
||||
"start time in seconds since 1970/01/01",
|
||||
nil, constLabels),
|
||||
}
|
||||
|
||||
return p, nil
|
||||
}
|
||||
|
|
@ -147,7 +171,7 @@ func (p namedProcess) Collect(ch chan<- prometheus.Metric) {
|
|||
<-req.done
|
||||
}
|
||||
|
||||
func (p namedProcess) start() {
|
||||
func (p namedProcess) Start() {
|
||||
for req := range p.scrapeChan {
|
||||
ch := req.results
|
||||
p.scrape(ch)
|
||||
93
internal/ingress/metric/collectors/process_test.go
Normal file
93
internal/ingress/metric/collectors/process_test.go
Normal file
|
|
@ -0,0 +1,93 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"os/exec"
|
||||
"syscall"
|
||||
"testing"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
func TestProcessCollector(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
metrics []string
|
||||
}{
|
||||
{
|
||||
name: "should return metrics",
|
||||
metrics: []string{"nginx_ingress_controller_nginx_process_num_procs"},
|
||||
},
|
||||
}
|
||||
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
name = "sleep"
|
||||
binary = "/bin/sleep"
|
||||
|
||||
cmd := exec.Command(binary, "1000000")
|
||||
err := cmd.Start()
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error creating dummy process: %v", err)
|
||||
}
|
||||
|
||||
done := make(chan struct{})
|
||||
go func() {
|
||||
cmd.Wait()
|
||||
status := cmd.ProcessState.Sys().(syscall.WaitStatus)
|
||||
if status.Signaled() {
|
||||
t.Logf("Signal: %v", status.Signal())
|
||||
} else {
|
||||
t.Logf("Status: %v", status.ExitStatus())
|
||||
}
|
||||
}()
|
||||
|
||||
cm, err := NewNGINXProcess("pod", "default", "nginx")
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error creating nginx status collector: %v", err)
|
||||
}
|
||||
|
||||
go cm.Start()
|
||||
|
||||
defer func() {
|
||||
cm.Stop()
|
||||
|
||||
cmd.Process.Kill()
|
||||
close(done)
|
||||
}()
|
||||
|
||||
reg := prometheus.NewPedanticRegistry()
|
||||
if err := reg.Register(cm); err != nil {
|
||||
t.Errorf("registering collector failed: %s", err)
|
||||
}
|
||||
|
||||
metrics, err := reg.Gather()
|
||||
if err != nil {
|
||||
t.Errorf("gathering metrics failed: %s", err)
|
||||
}
|
||||
|
||||
m := filterMetrics(metrics, c.metrics)
|
||||
|
||||
if *m[0].GetMetric()[0].Gauge.Value < 0 {
|
||||
t.Errorf("number of process should be > 0")
|
||||
}
|
||||
|
||||
reg.Unregister(cm)
|
||||
})
|
||||
}
|
||||
}
|
||||
421
internal/ingress/metric/collectors/socket.go
Normal file
421
internal/ingress/metric/collectors/socket.go
Normal file
|
|
@ -0,0 +1,421 @@
|
|||
/*
|
||||
Copyright 2016 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"k8s.io/apimachinery/pkg/util/sets"
|
||||
)
|
||||
|
||||
type upstream struct {
|
||||
Endpoint string `json:"endpoint"`
|
||||
Latency float64 `json:"upstreamLatency"`
|
||||
ResponseLength float64 `json:"upstreamResponseLength"`
|
||||
ResponseTime float64 `json:"upstreamResponseTime"`
|
||||
Status string `json:"upstreamStatus"`
|
||||
}
|
||||
|
||||
type socketData struct {
|
||||
Host string `json:"host"`
|
||||
Status string `json:"status"`
|
||||
|
||||
ResponseLength float64 `json:"responseLength"`
|
||||
|
||||
Method string `json:"method"`
|
||||
|
||||
RequestLength float64 `json:"requestLength"`
|
||||
RequestTime float64 `json:"requestTime"`
|
||||
|
||||
upstream
|
||||
|
||||
Namespace string `json:"namespace"`
|
||||
Ingress string `json:"ingress"`
|
||||
Service string `json:"service"`
|
||||
Path string `json:"path"`
|
||||
}
|
||||
|
||||
// SocketCollector stores prometheus metrics and ingress meta-data
|
||||
type SocketCollector struct {
|
||||
prometheus.Collector
|
||||
|
||||
requestTime *prometheus.HistogramVec
|
||||
requestLength *prometheus.HistogramVec
|
||||
|
||||
responseTime *prometheus.HistogramVec
|
||||
responseLength *prometheus.HistogramVec
|
||||
|
||||
upstreamLatency *prometheus.SummaryVec
|
||||
|
||||
bytesSent *prometheus.HistogramVec
|
||||
|
||||
requests *prometheus.CounterVec
|
||||
|
||||
listener net.Listener
|
||||
|
||||
metricMapping map[string]interface{}
|
||||
}
|
||||
|
||||
var (
|
||||
requestTags = []string{
|
||||
"host",
|
||||
|
||||
"status",
|
||||
|
||||
"method",
|
||||
"path",
|
||||
|
||||
// "endpoint",
|
||||
|
||||
"namespace",
|
||||
"ingress",
|
||||
"service",
|
||||
}
|
||||
)
|
||||
|
||||
// NewSocketCollector creates a new SocketCollector instance using
|
||||
// the ingresss watch namespace and class used by the controller
|
||||
func NewSocketCollector(pod, namespace, class string) (*SocketCollector, error) {
|
||||
listener, err := net.Listen("unix", "/tmp/prometheus-nginx.socket")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
constLabels := prometheus.Labels{
|
||||
"controller_namespace": namespace,
|
||||
"controller_class": class,
|
||||
"controller_pod": pod,
|
||||
}
|
||||
|
||||
sc := &SocketCollector{
|
||||
listener: listener,
|
||||
|
||||
responseTime: prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "response_duration_milliseconds",
|
||||
Help: "The time spent on receiving the response from the upstream server",
|
||||
Namespace: PrometheusNamespace,
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
requestTags,
|
||||
),
|
||||
responseLength: prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "response_size",
|
||||
Help: "The response length (including request line, header, and request body)",
|
||||
Namespace: PrometheusNamespace,
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
requestTags,
|
||||
),
|
||||
|
||||
requestTime: prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "request_duration_milliseconds",
|
||||
Help: "The request processing time in milliseconds",
|
||||
Namespace: PrometheusNamespace,
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
requestTags,
|
||||
),
|
||||
requestLength: prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "request_size",
|
||||
Help: "The request length (including request line, header, and request body)",
|
||||
Namespace: PrometheusNamespace,
|
||||
Buckets: prometheus.LinearBuckets(10, 10, 10), // 10 buckets, each 10 bytes wide.
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
requestTags,
|
||||
),
|
||||
|
||||
requests: prometheus.NewCounterVec(
|
||||
prometheus.CounterOpts{
|
||||
Name: "requests",
|
||||
Help: "The total number of client requests.",
|
||||
Namespace: PrometheusNamespace,
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
[]string{"ingress", "namespace", "status"},
|
||||
),
|
||||
|
||||
bytesSent: prometheus.NewHistogramVec(
|
||||
prometheus.HistogramOpts{
|
||||
Name: "bytes_sent",
|
||||
Help: "The the number of bytes sent to a client",
|
||||
Namespace: PrometheusNamespace,
|
||||
Buckets: prometheus.ExponentialBuckets(10, 10, 7), // 7 buckets, exponential factor of 10.
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
requestTags,
|
||||
),
|
||||
|
||||
upstreamLatency: prometheus.NewSummaryVec(
|
||||
prometheus.SummaryOpts{
|
||||
Name: "ingress_upstream_latency_milliseconds",
|
||||
Help: "Upstream service latency per Ingress",
|
||||
Namespace: PrometheusNamespace,
|
||||
ConstLabels: constLabels,
|
||||
},
|
||||
[]string{"ingress", "namespace", "service"},
|
||||
),
|
||||
}
|
||||
|
||||
sc.metricMapping = map[string]interface{}{
|
||||
prometheus.BuildFQName(PrometheusNamespace, "", "request_duration_milliseconds"): sc.requestTime,
|
||||
prometheus.BuildFQName(PrometheusNamespace, "", "request_size"): sc.requestLength,
|
||||
|
||||
prometheus.BuildFQName(PrometheusNamespace, "", "response_duration_milliseconds"): sc.responseTime,
|
||||
prometheus.BuildFQName(PrometheusNamespace, "", "response_size"): sc.responseLength,
|
||||
|
||||
prometheus.BuildFQName(PrometheusNamespace, "", "bytes_sent"): sc.bytesSent,
|
||||
|
||||
prometheus.BuildFQName(PrometheusNamespace, "", "ingress_upstream_latency_milliseconds"): sc.upstreamLatency,
|
||||
}
|
||||
|
||||
return sc, nil
|
||||
}
|
||||
|
||||
func (sc *SocketCollector) handleMessage(msg []byte) {
|
||||
glog.V(5).Infof("msg: %v", string(msg))
|
||||
|
||||
// Unmarshall bytes
|
||||
var stats socketData
|
||||
err := json.Unmarshal(msg, &stats)
|
||||
if err != nil {
|
||||
glog.Errorf("Unexpected error deserializing JSON paylod: %v", err)
|
||||
return
|
||||
}
|
||||
|
||||
requestLabels := prometheus.Labels{
|
||||
"host": stats.Host,
|
||||
"status": stats.Status,
|
||||
"method": stats.Method,
|
||||
"path": stats.Path,
|
||||
//"endpoint": stats.Endpoint,
|
||||
"namespace": stats.Namespace,
|
||||
"ingress": stats.Ingress,
|
||||
"service": stats.Service,
|
||||
}
|
||||
|
||||
collectorLabels := prometheus.Labels{
|
||||
"namespace": stats.Namespace,
|
||||
"ingress": stats.Ingress,
|
||||
"status": stats.Status,
|
||||
}
|
||||
|
||||
latencyLabels := prometheus.Labels{
|
||||
"namespace": stats.Namespace,
|
||||
"ingress": stats.Ingress,
|
||||
"service": stats.Service,
|
||||
}
|
||||
|
||||
requestsMetric, err := sc.requests.GetMetricWith(collectorLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching requests metric: %v", err)
|
||||
} else {
|
||||
requestsMetric.Inc()
|
||||
}
|
||||
|
||||
latencyMetric, err := sc.upstreamLatency.GetMetricWith(latencyLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching latency metric: %v", err)
|
||||
} else {
|
||||
latencyMetric.Observe(stats.Latency)
|
||||
}
|
||||
|
||||
if stats.RequestTime != -1 {
|
||||
requestTimeMetric, err := sc.requestTime.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching request duration metric: %v", err)
|
||||
} else {
|
||||
requestTimeMetric.Observe(stats.RequestTime)
|
||||
}
|
||||
}
|
||||
|
||||
if stats.RequestLength != -1 {
|
||||
requestLengthMetric, err := sc.requestLength.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching request length metric: %v", err)
|
||||
} else {
|
||||
requestLengthMetric.Observe(stats.RequestLength)
|
||||
}
|
||||
}
|
||||
|
||||
if stats.ResponseTime != -1 {
|
||||
responseTimeMetric, err := sc.responseTime.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching upstream response time metric: %v", err)
|
||||
} else {
|
||||
responseTimeMetric.Observe(stats.ResponseTime)
|
||||
}
|
||||
}
|
||||
|
||||
if stats.ResponseLength != -1 {
|
||||
bytesSentMetric, err := sc.bytesSent.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching bytes sent metric: %v", err)
|
||||
} else {
|
||||
bytesSentMetric.Observe(stats.ResponseLength)
|
||||
}
|
||||
|
||||
responseSizeMetric, err := sc.responseLength.GetMetricWith(requestLabels)
|
||||
if err != nil {
|
||||
glog.Errorf("Error fetching bytes sent metric: %v", err)
|
||||
} else {
|
||||
responseSizeMetric.Observe(stats.ResponseLength)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Start listen for connections in the unix socket and spawns a goroutine to process the content
|
||||
func (sc *SocketCollector) Start() {
|
||||
for {
|
||||
conn, err := sc.listener.Accept()
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
go handleMessages(conn, sc.handleMessage)
|
||||
}
|
||||
}
|
||||
|
||||
// Stop stops unix listener
|
||||
func (sc *SocketCollector) Stop() {
|
||||
sc.listener.Close()
|
||||
}
|
||||
|
||||
// RemoveMetrics deletes prometheus metrics from prometheus for ingresses and
|
||||
// host that are not available anymore.
|
||||
// Ref: https://godoc.org/github.com/prometheus/client_golang/prometheus#CounterVec.Delete
|
||||
func (sc *SocketCollector) RemoveMetrics(ingresses []string, registry prometheus.Gatherer) {
|
||||
mfs, err := registry.Gather()
|
||||
if err != nil {
|
||||
glog.Errorf("Error gathering metrics: %v", err)
|
||||
return
|
||||
}
|
||||
|
||||
// 1. remove metrics of removed ingresses
|
||||
glog.V(2).Infof("removing ingresses %v from metrics", ingresses)
|
||||
for _, mf := range mfs {
|
||||
metricName := mf.GetName()
|
||||
metric, ok := sc.metricMapping[metricName]
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
|
||||
toRemove := sets.NewString(ingresses...)
|
||||
for _, m := range mf.GetMetric() {
|
||||
labels := make(map[string]string, len(m.GetLabel()))
|
||||
for _, labelPair := range m.GetLabel() {
|
||||
labels[*labelPair.Name] = *labelPair.Value
|
||||
}
|
||||
|
||||
// remove labels that are constant
|
||||
deleteConstants(labels)
|
||||
|
||||
ns, ok := labels["namespace"]
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
ing, ok := labels["ingress"]
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
|
||||
ingKey := fmt.Sprintf("%v/%v", ns, ing)
|
||||
if !toRemove.Has(ingKey) {
|
||||
continue
|
||||
}
|
||||
|
||||
glog.V(2).Infof("Removing prometheus metric from histogram %v for ingress %v", metricName, ingKey)
|
||||
|
||||
h, ok := metric.(*prometheus.HistogramVec)
|
||||
if ok {
|
||||
removed := h.Delete(labels)
|
||||
if !removed {
|
||||
glog.V(2).Infof("metric %v for ingress %v with labels not removed: %v", metricName, ingKey, labels)
|
||||
}
|
||||
}
|
||||
|
||||
s, ok := metric.(*prometheus.SummaryVec)
|
||||
if ok {
|
||||
removed := s.Delete(labels)
|
||||
if !removed {
|
||||
glog.V(2).Infof("metric %v for ingress %v with labels not removed: %v", metricName, ingKey, labels)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Describe implements prometheus.Collector
|
||||
func (sc SocketCollector) Describe(ch chan<- *prometheus.Desc) {
|
||||
sc.requestTime.Describe(ch)
|
||||
sc.requestLength.Describe(ch)
|
||||
|
||||
sc.requests.Describe(ch)
|
||||
|
||||
sc.upstreamLatency.Describe(ch)
|
||||
|
||||
sc.responseTime.Describe(ch)
|
||||
sc.responseLength.Describe(ch)
|
||||
|
||||
sc.bytesSent.Describe(ch)
|
||||
}
|
||||
|
||||
// Collect implements the prometheus.Collector interface.
|
||||
func (sc SocketCollector) Collect(ch chan<- prometheus.Metric) {
|
||||
sc.requestTime.Collect(ch)
|
||||
sc.requestLength.Collect(ch)
|
||||
|
||||
sc.requests.Collect(ch)
|
||||
|
||||
sc.upstreamLatency.Collect(ch)
|
||||
|
||||
sc.responseTime.Collect(ch)
|
||||
sc.responseLength.Collect(ch)
|
||||
|
||||
sc.bytesSent.Collect(ch)
|
||||
}
|
||||
|
||||
const packetSize = 1024 * 65
|
||||
|
||||
// handleMessages process the content received in a network connection
|
||||
func handleMessages(conn io.ReadCloser, fn func([]byte)) {
|
||||
defer conn.Close()
|
||||
|
||||
msg := make([]byte, packetSize)
|
||||
s, err := conn.Read(msg[0:])
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
fn(msg[0:s])
|
||||
}
|
||||
|
||||
func deleteConstants(labels prometheus.Labels) {
|
||||
delete(labels, "controller_namespace")
|
||||
delete(labels, "controller_class")
|
||||
delete(labels, "controller_pod")
|
||||
}
|
||||
262
internal/ingress/metric/collectors/socket_test.go
Normal file
262
internal/ingress/metric/collectors/socket_test.go
Normal file
|
|
@ -0,0 +1,262 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
func TestNewUDPLogListener(t *testing.T) {
|
||||
var count uint64
|
||||
|
||||
fn := func(message []byte) {
|
||||
atomic.AddUint64(&count, 1)
|
||||
}
|
||||
|
||||
tmpFile := fmt.Sprintf("/tmp/test-socket-%v", time.Now().Nanosecond())
|
||||
|
||||
l, err := net.Listen("unix", tmpFile)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error creating unix socket: %v", err)
|
||||
}
|
||||
if l == nil {
|
||||
t.Fatalf("expected a listener but none returned")
|
||||
}
|
||||
|
||||
defer l.Close()
|
||||
|
||||
go func() {
|
||||
for {
|
||||
conn, err := l.Accept()
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
go handleMessages(conn, fn)
|
||||
}
|
||||
}()
|
||||
|
||||
conn, _ := net.Dial("unix", tmpFile)
|
||||
conn.Write([]byte("message"))
|
||||
conn.Close()
|
||||
|
||||
time.Sleep(1 * time.Millisecond)
|
||||
if atomic.LoadUint64(&count) != 1 {
|
||||
t.Errorf("expected only one message from the socket listener but %v returned", atomic.LoadUint64(&count))
|
||||
}
|
||||
}
|
||||
|
||||
func TestCollector(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
data []string
|
||||
metrics []string
|
||||
wantBefore string
|
||||
removeIngresses []string
|
||||
wantAfter string
|
||||
}{
|
||||
{
|
||||
name: "invalid metric object should not increase prometheus metrics",
|
||||
data: []string{`#missing {
|
||||
"host":"testshop.com",
|
||||
"status":"200",
|
||||
"bytesSent":150.0,
|
||||
"method":"GET",
|
||||
"path":"/admin",
|
||||
"requestLength":300.0,
|
||||
"requestTime":60.0,
|
||||
"upstreamName":"test-upstream",
|
||||
"upstreamIP":"1.1.1.1:8080",
|
||||
"upstreamResponseTime":200,
|
||||
"upstreamStatus":"220",
|
||||
"namespace":"test-app-production",
|
||||
"ingress":"web-yml",
|
||||
"service":"test-app"
|
||||
}`},
|
||||
metrics: []string{"nginx_ingress_controller_response_duration_milliseconds"},
|
||||
wantBefore: `
|
||||
|
||||
`,
|
||||
},
|
||||
{
|
||||
name: "valid metric object should update prometheus metrics",
|
||||
data: []string{`{
|
||||
"host":"testshop.com",
|
||||
"status":"200",
|
||||
"bytesSent":150.0,
|
||||
"method":"GET",
|
||||
"path":"/admin",
|
||||
"requestLength":300.0,
|
||||
"requestTime":60.0,
|
||||
"upstreamName":"test-upstream",
|
||||
"upstreamIP":"1.1.1.1:8080",
|
||||
"upstreamResponseTime":200,
|
||||
"upstreamStatus":"220",
|
||||
"namespace":"test-app-production",
|
||||
"ingress":"web-yml",
|
||||
"service":"test-app"
|
||||
}`},
|
||||
metrics: []string{"nginx_ingress_controller_response_duration_milliseconds"},
|
||||
wantBefore: `
|
||||
# HELP nginx_ingress_controller_response_duration_milliseconds The time spent on receiving the response from the upstream server
|
||||
# TYPE nginx_ingress_controller_response_duration_milliseconds histogram
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.005"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.01"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.025"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.05"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.1"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.25"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="1"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="2.5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="10"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="+Inf"} 1
|
||||
nginx_ingress_controller_response_duration_milliseconds_sum{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200"} 200
|
||||
nginx_ingress_controller_response_duration_milliseconds_count{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200"} 1
|
||||
`,
|
||||
removeIngresses: []string{"test-app-production/web-yml"},
|
||||
wantAfter: `
|
||||
`,
|
||||
},
|
||||
|
||||
{
|
||||
name: "multiple messages should increase prometheus metric by two",
|
||||
data: []string{`{
|
||||
"host":"testshop.com",
|
||||
"status":"200",
|
||||
"bytesSent":150.0,
|
||||
"method":"GET",
|
||||
"path":"/admin",
|
||||
"requestLength":300.0,
|
||||
"requestTime":60.0,
|
||||
"upstreamName":"test-upstream",
|
||||
"upstreamIP":"1.1.1.1:8080",
|
||||
"upstreamResponseTime":200,
|
||||
"upstreamStatus":"220",
|
||||
"namespace":"test-app-production",
|
||||
"ingress":"web-yml",
|
||||
"service":"test-app"
|
||||
}`, `{
|
||||
"host":"testshop.com",
|
||||
"status":"200",
|
||||
"bytesSent":150.0,
|
||||
"method":"GET",
|
||||
"path":"/admin",
|
||||
"requestLength":300.0,
|
||||
"requestTime":60.0,
|
||||
"upstreamName":"test-upstream",
|
||||
"upstreamIP":"1.1.1.1:8080",
|
||||
"upstreamResponseTime":200,
|
||||
"upstreamStatus":"220",
|
||||
"namespace":"test-app-qa",
|
||||
"ingress":"web-yml-qa",
|
||||
"service":"test-app-qa"
|
||||
}`, `{
|
||||
"host":"testshop.com",
|
||||
"status":"200",
|
||||
"bytesSent":150.0,
|
||||
"method":"GET",
|
||||
"path":"/admin",
|
||||
"requestLength":300.0,
|
||||
"requestTime":60.0,
|
||||
"upstreamName":"test-upstream",
|
||||
"upstreamIP":"1.1.1.1:8080",
|
||||
"upstreamResponseTime":200,
|
||||
"upstreamStatus":"220",
|
||||
"namespace":"test-app-qa",
|
||||
"ingress":"web-yml-qa",
|
||||
"service":"test-app-qa"
|
||||
}`},
|
||||
metrics: []string{"nginx_ingress_controller_response_duration_milliseconds"},
|
||||
wantBefore: `
|
||||
# HELP nginx_ingress_controller_response_duration_milliseconds The time spent on receiving the response from the upstream server
|
||||
# TYPE nginx_ingress_controller_response_duration_milliseconds histogram
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.005"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.01"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.025"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.05"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.1"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.25"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="0.5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="1"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="2.5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="10"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200",le="+Inf"} 1
|
||||
nginx_ingress_controller_response_duration_milliseconds_sum{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200"} 200
|
||||
nginx_ingress_controller_response_duration_milliseconds_count{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="200"} 1
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.005"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.01"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.025"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.05"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.1"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.25"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="0.5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="1"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="2.5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="5"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="10"} 0
|
||||
nginx_ingress_controller_response_duration_milliseconds_bucket{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200",le="+Inf"} 2
|
||||
nginx_ingress_controller_response_duration_milliseconds_sum{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200"} 400
|
||||
nginx_ingress_controller_response_duration_milliseconds_count{controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml-qa",method="GET",namespace="test-app-qa",path="/admin",service="test-app-qa",status="200"} 2
|
||||
`,
|
||||
},
|
||||
}
|
||||
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
registry := prometheus.NewPedanticRegistry()
|
||||
|
||||
sc, err := NewSocketCollector("pod", "default", "ingress")
|
||||
if err != nil {
|
||||
t.Errorf("%v: unexpected error creating new SocketCollector: %v", c.name, err)
|
||||
}
|
||||
|
||||
if err := registry.Register(sc); err != nil {
|
||||
t.Errorf("registering collector failed: %s", err)
|
||||
}
|
||||
|
||||
for _, d := range c.data {
|
||||
sc.handleMessage([]byte(d))
|
||||
}
|
||||
|
||||
if err := GatherAndCompare(sc, c.wantBefore, c.metrics, registry); err != nil {
|
||||
t.Errorf("unexpected collecting result:\n%s", err)
|
||||
}
|
||||
|
||||
if len(c.removeIngresses) > 0 {
|
||||
sc.RemoveMetrics(c.removeIngresses, registry)
|
||||
time.Sleep(1 * time.Second)
|
||||
|
||||
if err := GatherAndCompare(sc, c.wantAfter, c.metrics, registry); err != nil {
|
||||
t.Errorf("unexpected collecting result:\n%s", err)
|
||||
}
|
||||
}
|
||||
|
||||
sc.Stop()
|
||||
|
||||
registry.Unregister(sc)
|
||||
})
|
||||
}
|
||||
}
|
||||
183
internal/ingress/metric/collectors/testutils.go
Normal file
183
internal/ingress/metric/collectors/testutils.go
Normal file
|
|
@ -0,0 +1,183 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package collectors
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"reflect"
|
||||
"sort"
|
||||
"strings"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
dto "github.com/prometheus/client_model/go"
|
||||
"github.com/prometheus/common/expfmt"
|
||||
)
|
||||
|
||||
// GatherAndCompare retrieves all metrics exposed by a collector and compares it
|
||||
// to an expected output in the Prometheus text exposition format.
|
||||
// metricNames allows only comparing the given metrics. All are compared if it's nil.
|
||||
func GatherAndCompare(c prometheus.Collector, expected string, metricNames []string, reg prometheus.Gatherer) error {
|
||||
expected = removeUnusedWhitespace(expected)
|
||||
|
||||
metrics, err := reg.Gather()
|
||||
if err != nil {
|
||||
return fmt.Errorf("gathering metrics failed: %s", err)
|
||||
}
|
||||
if metricNames != nil {
|
||||
metrics = filterMetrics(metrics, metricNames)
|
||||
}
|
||||
var tp expfmt.TextParser
|
||||
expectedMetrics, err := tp.TextToMetricFamilies(bytes.NewReader([]byte(expected)))
|
||||
if err != nil {
|
||||
return fmt.Errorf("parsing expected metrics failed: %s", err)
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(metrics, normalizeMetricFamilies(expectedMetrics)) {
|
||||
// Encode the gathered output to the readbale text format for comparison.
|
||||
var buf1 bytes.Buffer
|
||||
enc := expfmt.NewEncoder(&buf1, expfmt.FmtText)
|
||||
for _, mf := range metrics {
|
||||
if err := enc.Encode(mf); err != nil {
|
||||
return fmt.Errorf("encoding result failed: %s", err)
|
||||
}
|
||||
}
|
||||
// Encode normalized expected metrics again to generate them in the same ordering
|
||||
// the registry does to spot differences more easily.
|
||||
var buf2 bytes.Buffer
|
||||
enc = expfmt.NewEncoder(&buf2, expfmt.FmtText)
|
||||
for _, mf := range normalizeMetricFamilies(expectedMetrics) {
|
||||
if err := enc.Encode(mf); err != nil {
|
||||
return fmt.Errorf("encoding result failed: %s", err)
|
||||
}
|
||||
}
|
||||
|
||||
if buf2.String() == buf1.String() {
|
||||
return nil
|
||||
}
|
||||
|
||||
return fmt.Errorf(`
|
||||
metric output does not match expectation; want:
|
||||
|
||||
'%s'
|
||||
|
||||
got:
|
||||
|
||||
'%s'
|
||||
|
||||
`, buf2.String(), buf1.String())
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func filterMetrics(metrics []*dto.MetricFamily, names []string) []*dto.MetricFamily {
|
||||
var filtered []*dto.MetricFamily
|
||||
for _, m := range metrics {
|
||||
drop := true
|
||||
for _, name := range names {
|
||||
if m.GetName() == name {
|
||||
drop = false
|
||||
break
|
||||
}
|
||||
}
|
||||
if !drop {
|
||||
filtered = append(filtered, m)
|
||||
}
|
||||
}
|
||||
return filtered
|
||||
}
|
||||
|
||||
func removeUnusedWhitespace(s string) string {
|
||||
var (
|
||||
trimmedLine string
|
||||
trimmedLines []string
|
||||
lines = strings.Split(s, "\n")
|
||||
)
|
||||
|
||||
for _, l := range lines {
|
||||
trimmedLine = strings.TrimSpace(l)
|
||||
|
||||
if len(trimmedLine) > 0 {
|
||||
trimmedLines = append(trimmedLines, trimmedLine)
|
||||
}
|
||||
}
|
||||
|
||||
// The Prometheus metrics representation parser expects an empty line at the
|
||||
// end otherwise fails with an unexpected EOF error.
|
||||
return strings.Join(trimmedLines, "\n") + "\n"
|
||||
}
|
||||
|
||||
// The below sorting code is copied form the Prometheus client library modulo the added
|
||||
// label pair sorting.
|
||||
// https://github.com/prometheus/client_golang/blob/ea6e1db4cb8127eeb0b6954f7320363e5451820f/prometheus/registry.go#L642-L684
|
||||
|
||||
// metricSorter is a sortable slice of *dto.Metric.
|
||||
type metricSorter []*dto.Metric
|
||||
|
||||
func (s metricSorter) Len() int {
|
||||
return len(s)
|
||||
}
|
||||
|
||||
func (s metricSorter) Swap(i, j int) {
|
||||
s[i], s[j] = s[j], s[i]
|
||||
}
|
||||
|
||||
func (s metricSorter) Less(i, j int) bool {
|
||||
sort.Sort(prometheus.LabelPairSorter(s[i].Label))
|
||||
sort.Sort(prometheus.LabelPairSorter(s[j].Label))
|
||||
|
||||
if len(s[i].Label) != len(s[j].Label) {
|
||||
return len(s[i].Label) < len(s[j].Label)
|
||||
}
|
||||
|
||||
for n, lp := range s[i].Label {
|
||||
vi := lp.GetValue()
|
||||
vj := s[j].Label[n].GetValue()
|
||||
if vi != vj {
|
||||
return vi < vj
|
||||
}
|
||||
}
|
||||
|
||||
if s[i].TimestampMs == nil {
|
||||
return false
|
||||
}
|
||||
if s[j].TimestampMs == nil {
|
||||
return true
|
||||
}
|
||||
return s[i].GetTimestampMs() < s[j].GetTimestampMs()
|
||||
}
|
||||
|
||||
// normalizeMetricFamilies returns a MetricFamily slice with empty
|
||||
// MetricFamilies pruned and the remaining MetricFamilies sorted by name within
|
||||
// the slice, with the contained Metrics sorted within each MetricFamily.
|
||||
func normalizeMetricFamilies(metricFamiliesByName map[string]*dto.MetricFamily) []*dto.MetricFamily {
|
||||
for _, mf := range metricFamiliesByName {
|
||||
sort.Sort(metricSorter(mf.Metric))
|
||||
}
|
||||
names := make([]string, 0, len(metricFamiliesByName))
|
||||
for name, mf := range metricFamiliesByName {
|
||||
if len(mf.Metric) > 0 {
|
||||
names = append(names, name)
|
||||
}
|
||||
}
|
||||
sort.Strings(names)
|
||||
result := make([]*dto.MetricFamily, 0, len(names))
|
||||
for _, name := range names {
|
||||
result = append(result, metricFamiliesByName[name])
|
||||
}
|
||||
return result
|
||||
}
|
||||
43
internal/ingress/metric/dummy.go
Normal file
43
internal/ingress/metric/dummy.go
Normal file
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package metric
|
||||
|
||||
import "k8s.io/ingress-nginx/internal/ingress"
|
||||
|
||||
// DummyCollector dummy implementation for mocks in tests
|
||||
type DummyCollector struct{}
|
||||
|
||||
// ConfigSuccess ...
|
||||
func (dc DummyCollector) ConfigSuccess(uint64, bool) {}
|
||||
|
||||
// IncReloadCount ...
|
||||
func (dc DummyCollector) IncReloadCount() {}
|
||||
|
||||
// IncReloadErrorCount ...
|
||||
func (dc DummyCollector) IncReloadErrorCount() {}
|
||||
|
||||
// RemoveMetrics ...
|
||||
func (dc DummyCollector) RemoveMetrics(ingresses, endpoints []string) {}
|
||||
|
||||
// Start ...
|
||||
func (dc DummyCollector) Start() {}
|
||||
|
||||
// Stop ...
|
||||
func (dc DummyCollector) Stop() {}
|
||||
|
||||
// SetSSLExpireTime ...
|
||||
func (dc DummyCollector) SetSSLExpireTime([]*ingress.Server) {}
|
||||
134
internal/ingress/metric/main.go
Normal file
134
internal/ingress/metric/main.go
Normal file
|
|
@ -0,0 +1,134 @@
|
|||
/*
|
||||
Copyright 2017 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package metric
|
||||
|
||||
import (
|
||||
"os"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
|
||||
"k8s.io/ingress-nginx/internal/ingress"
|
||||
"k8s.io/ingress-nginx/internal/ingress/annotations/class"
|
||||
"k8s.io/ingress-nginx/internal/ingress/metric/collectors"
|
||||
)
|
||||
|
||||
// Collector defines the interface for a metric collector
|
||||
type Collector interface {
|
||||
ConfigSuccess(uint64, bool)
|
||||
|
||||
IncReloadCount()
|
||||
IncReloadErrorCount()
|
||||
|
||||
RemoveMetrics(ingresses, endpoints []string)
|
||||
|
||||
SetSSLExpireTime([]*ingress.Server)
|
||||
|
||||
Start()
|
||||
Stop()
|
||||
}
|
||||
|
||||
type collector struct {
|
||||
nginxStatus collectors.NGINXStatusCollector
|
||||
nginxProcess collectors.NGINXProcessCollector
|
||||
|
||||
ingressController *collectors.Controller
|
||||
|
||||
socket *collectors.SocketCollector
|
||||
|
||||
registry *prometheus.Registry
|
||||
}
|
||||
|
||||
// NewCollector creates a new metric collector the for ingress controller
|
||||
func NewCollector(statusPort int, registry *prometheus.Registry) (Collector, error) {
|
||||
podNamespace := os.Getenv("POD_NAMESPACE")
|
||||
if podNamespace == "" {
|
||||
podNamespace = "default"
|
||||
}
|
||||
|
||||
podName := os.Getenv("POD_NAME")
|
||||
|
||||
nc, err := collectors.NewNGINXStatus(podName, podNamespace, class.IngressClass, statusPort)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
pc, err := collectors.NewNGINXProcess(podName, podNamespace, class.IngressClass)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
s, err := collectors.NewSocketCollector(podName, podNamespace, class.IngressClass)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ic := collectors.NewController(podName, podNamespace, class.IngressClass)
|
||||
|
||||
return Collector(&collector{
|
||||
nginxStatus: nc,
|
||||
nginxProcess: pc,
|
||||
|
||||
ingressController: ic,
|
||||
|
||||
socket: s,
|
||||
|
||||
registry: registry,
|
||||
}), nil
|
||||
}
|
||||
|
||||
func (c *collector) ConfigSuccess(hash uint64, success bool) {
|
||||
c.ingressController.ConfigSuccess(hash, success)
|
||||
}
|
||||
|
||||
func (c *collector) IncReloadCount() {
|
||||
c.ingressController.IncReloadCount()
|
||||
}
|
||||
|
||||
func (c *collector) IncReloadErrorCount() {
|
||||
c.ingressController.IncReloadErrorCount()
|
||||
}
|
||||
|
||||
func (c *collector) RemoveMetrics(ingresses, hosts []string) {
|
||||
c.socket.RemoveMetrics(ingresses, c.registry)
|
||||
c.ingressController.RemoveMetrics(hosts, c.registry)
|
||||
}
|
||||
|
||||
func (c *collector) Start() {
|
||||
c.registry.MustRegister(c.nginxStatus)
|
||||
c.registry.MustRegister(c.nginxProcess)
|
||||
c.registry.MustRegister(c.ingressController)
|
||||
c.registry.MustRegister(c.socket)
|
||||
|
||||
go c.nginxStatus.Start()
|
||||
go c.nginxProcess.Start()
|
||||
go c.socket.Start()
|
||||
}
|
||||
|
||||
func (c *collector) Stop() {
|
||||
c.registry.Unregister(c.nginxStatus)
|
||||
c.registry.Unregister(c.nginxProcess)
|
||||
c.registry.Unregister(c.ingressController)
|
||||
c.registry.Unregister(c.socket)
|
||||
|
||||
c.nginxStatus.Stop()
|
||||
c.nginxProcess.Stop()
|
||||
c.socket.Stop()
|
||||
}
|
||||
|
||||
func (c *collector) SetSSLExpireTime(servers []*ingress.Server) {
|
||||
c.ingressController.SetSSLExpireTime(servers)
|
||||
}
|
||||
|
|
@ -48,3 +48,8 @@ type SSLCert struct {
|
|||
func (s SSLCert) GetObjectKind() schema.ObjectKind {
|
||||
return schema.EmptyObjectKind
|
||||
}
|
||||
|
||||
// HashInclude defines if a field should be used or not to calculate the hash
|
||||
func (s SSLCert) HashInclude(field string, v interface{}) (bool, error) {
|
||||
return (field != "PemSHA" && field != "ExpireTime"), nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -64,6 +64,9 @@ type Configuration struct {
|
|||
// +optional
|
||||
PassthroughBackends []*SSLPassthroughBackend `json:"passthroughBackends,omitempty"`
|
||||
|
||||
// BackendConfigChecksum contains the particular checksum of a Configuration object
|
||||
BackendConfigChecksum string `json:"BackendConfigChecksum,omitempty"`
|
||||
|
||||
// ConfigurationChecksum contains the particular checksum of a Configuration object
|
||||
ConfigurationChecksum string `json:"configurationChecksum,omitempty"`
|
||||
}
|
||||
|
|
|
|||
|
|
@ -104,7 +104,7 @@ func (c1 *Configuration) Equal(c2 *Configuration) bool {
|
|||
}
|
||||
}
|
||||
|
||||
if c1.ConfigurationChecksum != c2.ConfigurationChecksum {
|
||||
if c1.BackendConfigChecksum != c2.BackendConfigChecksum {
|
||||
return false
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -149,6 +149,10 @@ func AddOrUpdateCertAndKey(name string, cert, key, ca []byte,
|
|||
}
|
||||
|
||||
caFile, err := fs.Create(pemFileName)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("could not create CA cert file %v: %v", pemFileName, err)
|
||||
}
|
||||
|
||||
_, err = caFile.Write(caData)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("could not append CA to cert file %v: %v", pemFileName, err)
|
||||
|
|
|
|||
|
|
@ -15,17 +15,24 @@ end
|
|||
function _M.encode_nginx_stats()
|
||||
return cjson.encode({
|
||||
host = ngx.var.host or "-",
|
||||
status = ngx.var.status or "-",
|
||||
bytesSent = tonumber(ngx.var.bytes_sent) or -1,
|
||||
protocol = ngx.var.server_protocol or "-",
|
||||
|
||||
method = ngx.var.request_method or "-",
|
||||
path = ngx.var.location_path or "-",
|
||||
|
||||
status = ngx.var.status or "-",
|
||||
|
||||
requestLength = tonumber(ngx.var.request_length) or -1,
|
||||
requestTime = tonumber(ngx.var.request_time) or -1,
|
||||
upstreamName = ngx.var.proxy_upstream_name or "-",
|
||||
upstreamIP = ngx.var.upstream_addr or "-",
|
||||
|
||||
responseLength = tonumber(ngx.var.bytes_sent) or -1,
|
||||
|
||||
endpoint = ngx.var.upstream_addr or "-",
|
||||
|
||||
upstreamLatency = tonumber(ngx.var.upstream_connect_time) or -1,
|
||||
upstreamResponseTime = tonumber(ngx.var.upstream_response_time) or -1,
|
||||
upstreamResponseLength = tonumber(ngx.var.upstream_response_length) or -1,
|
||||
upstreamStatus = ngx.var.upstream_status or "-",
|
||||
|
||||
namespace = ngx.var.namespace or "-",
|
||||
ingress = ngx.var.ingress_name or "-",
|
||||
service = ngx.var.service_name or "-",
|
||||
|
|
|
|||
|
|
@ -33,10 +33,12 @@ describe("Monitor", function()
|
|||
request_method = "GET",
|
||||
location_path = "/admin",
|
||||
request_length = "300",
|
||||
request_time = "60",
|
||||
request_time = "210",
|
||||
proxy_upstream_name = "test-upstream",
|
||||
upstream_addr = "2.2.2.2",
|
||||
upstream_response_time = "200",
|
||||
upstream_response_length = "150",
|
||||
upstream_connect_time = "1",
|
||||
upstream_status = "220",
|
||||
namespace = "test-app-production",
|
||||
ingress_name = "web-yml",
|
||||
|
|
@ -51,16 +53,16 @@ describe("Monitor", function()
|
|||
local expected_json_stats = {
|
||||
host = "testshop.com",
|
||||
status = "200",
|
||||
bytesSent = 150.0,
|
||||
protocol = "HTTP",
|
||||
responseLength = 150.0,
|
||||
method = "GET",
|
||||
path = "/admin",
|
||||
requestLength = 300.0,
|
||||
requestTime = 60.0,
|
||||
upstreamName = "test-upstream",
|
||||
upstreamIP = "2.2.2.2",
|
||||
requestTime = 210.0,
|
||||
endpoint = "2.2.2.2",
|
||||
upstreamResponseTime = 200,
|
||||
upstreamStatus = "220",
|
||||
upstreamLatency = 1.0,
|
||||
upstreamResponseLength = 150.0,
|
||||
namespace = "test-app-production",
|
||||
ingress = "web-yml",
|
||||
service = "test-app",
|
||||
|
|
@ -77,10 +79,10 @@ describe("Monitor", function()
|
|||
server_protocol = "HTTP",
|
||||
request_method = "GET",
|
||||
location_path = "/admin",
|
||||
request_time = "60",
|
||||
request_time = "202",
|
||||
proxy_upstream_name = "test-upstream",
|
||||
upstream_addr = "2.2.2.2",
|
||||
upstream_response_time = "200",
|
||||
upstream_response_time = "201",
|
||||
upstream_status = "220",
|
||||
ingress_name = "web-yml",
|
||||
}
|
||||
|
|
@ -93,18 +95,19 @@ describe("Monitor", function()
|
|||
local expected_json_stats = {
|
||||
host = "-",
|
||||
status = "-",
|
||||
bytesSent = -1,
|
||||
protocol = "HTTP",
|
||||
responseLength = -1,
|
||||
method = "GET",
|
||||
path = "/admin",
|
||||
requestLength = -1,
|
||||
requestTime = 60.0,
|
||||
upstreamName = "test-upstream",
|
||||
upstreamIP = "2.2.2.2",
|
||||
upstreamResponseTime = 200,
|
||||
requestTime = 202.0,
|
||||
endpoint = "2.2.2.2",
|
||||
upstreamStatus = "220",
|
||||
namespace = "-",
|
||||
ingress = "web-yml",
|
||||
upstreamLatency = -1,
|
||||
upstreamResponseTime = 201,
|
||||
upstreamResponseLength = -1,
|
||||
responseLength = -1,
|
||||
service = "-",
|
||||
}
|
||||
assert.are.same(decoded_json_stats,expected_json_stats)
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ package framework
|
|||
|
||||
import (
|
||||
"fmt"
|
||||
"os/exec"
|
||||
"os"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
|
|
@ -112,13 +112,11 @@ func (f *Framework) BeforeEach() {
|
|||
})
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
By("Building NGINX HTTP URL")
|
||||
HTTPURL, err := f.GetNginxURL(HTTP)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
f.IngressController.HTTPURL = HTTPURL
|
||||
|
||||
By("Building NGINX HTTPS URL")
|
||||
HTTPSURL, err := f.GetNginxURL(HTTPS)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
|
|
@ -145,11 +143,7 @@ func IngressNginxDescribe(text string, body func()) bool {
|
|||
// GetNginxIP returns the IP address of the minikube cluster
|
||||
// where the NGINX ingress controller is running
|
||||
func (f *Framework) GetNginxIP() (string, error) {
|
||||
out, err := exec.Command("minikube", "ip").Output()
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return strings.TrimSpace(string(out)), nil
|
||||
return os.Getenv("NODE_IP"), nil
|
||||
}
|
||||
|
||||
// GetNginxPort returns the number of TCP port where NGINX is running
|
||||
|
|
|
|||
Loading…
Reference in a new issue