262 lines
17 KiB
Go
262 lines
17 KiB
Go
/*
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Copyright 2018 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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http://www.apache.org/licenses/LICENSE-2.0
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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 collectors
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import (
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"fmt"
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"net"
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"sync/atomic"
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"testing"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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)
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func TestNewUDPLogListener(t *testing.T) {
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var count uint64
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fn := func(message []byte) {
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atomic.AddUint64(&count, 1)
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}
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tmpFile := fmt.Sprintf("/tmp/test-socket-%v", time.Now().Nanosecond())
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l, err := net.Listen("unix", tmpFile)
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if err != nil {
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t.Fatalf("unexpected error creating unix socket: %v", err)
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}
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if l == nil {
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t.Fatalf("expected a listener but none returned")
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}
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defer l.Close()
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go func() {
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for {
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conn, err := l.Accept()
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if err != nil {
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continue
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}
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go handleMessages(conn, fn)
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}
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}()
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conn, _ := net.Dial("unix", tmpFile)
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conn.Write([]byte("message"))
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conn.Close()
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time.Sleep(1 * time.Millisecond)
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if atomic.LoadUint64(&count) != 1 {
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t.Errorf("expected only one message from the socket listener but %v returned", atomic.LoadUint64(&count))
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}
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}
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func TestCollector(t *testing.T) {
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cases := []struct {
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name string
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data []string
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metrics []string
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wantBefore string
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removeIngresses []string
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wantAfter string
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}{
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{
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name: "invalid metric object should not increase prometheus metrics",
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data: []string{`#missing {
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"host":"testshop.com",
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"status":"200",
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"bytesSent":150.0,
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"method":"GET",
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"path":"/admin",
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"requestLength":300.0,
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"requestTime":60.0,
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"upstreamName":"test-upstream",
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"upstreamIP":"1.1.1.1:8080",
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"upstreamResponseTime":200,
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"upstreamStatus":"220",
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"namespace":"test-app-production",
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"ingress":"web-yml",
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"service":"test-app"
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}`},
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metrics: []string{"nginx_ingress_controller_response_duration_milliseconds"},
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wantBefore: `
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`,
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},
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{
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name: "valid metric object should update prometheus metrics",
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data: []string{`{
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"host":"testshop.com",
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"status":"200",
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"bytesSent":150.0,
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"method":"GET",
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"path":"/admin",
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"requestLength":300.0,
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"requestTime":60.0,
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"upstreamName":"test-upstream",
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"upstreamIP":"1.1.1.1:8080",
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"upstreamResponseTime":200,
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"upstreamStatus":"220",
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"namespace":"test-app-production",
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"ingress":"web-yml",
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"service":"test-app"
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}`},
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metrics: []string{"nginx_ingress_controller_response_duration_milliseconds"},
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wantBefore: `
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# HELP nginx_ingress_controller_response_duration_milliseconds The time spent on receiving the response from the upstream server
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# TYPE nginx_ingress_controller_response_duration_milliseconds histogram
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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`,
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removeIngresses: []string{"test-app-production/web-yml"},
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wantAfter: `
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`,
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},
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{
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name: "multiple messages should increase prometheus metric by two",
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data: []string{`{
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"host":"testshop.com",
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"status":"200",
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"bytesSent":150.0,
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"method":"GET",
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"path":"/admin",
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"requestLength":300.0,
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"requestTime":60.0,
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"upstreamName":"test-upstream",
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"upstreamIP":"1.1.1.1:8080",
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"upstreamResponseTime":200,
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"upstreamStatus":"220",
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"namespace":"test-app-production",
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"ingress":"web-yml",
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"service":"test-app"
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}`, `{
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"host":"testshop.com",
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"status":"200",
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"bytesSent":150.0,
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"method":"GET",
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"path":"/admin",
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"requestLength":300.0,
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"requestTime":60.0,
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"upstreamName":"test-upstream",
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"upstreamIP":"1.1.1.1:8080",
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"upstreamResponseTime":200,
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"upstreamStatus":"220",
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"namespace":"test-app-qa",
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"ingress":"web-yml-qa",
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"service":"test-app-qa"
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}`, `{
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"host":"testshop.com",
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"status":"200",
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"bytesSent":150.0,
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"method":"GET",
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"path":"/admin",
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"requestLength":300.0,
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"requestTime":60.0,
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"upstreamName":"test-upstream",
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"upstreamIP":"1.1.1.1:8080",
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"upstreamResponseTime":200,
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"upstreamStatus":"220",
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"namespace":"test-app-qa",
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"ingress":"web-yml-qa",
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"service":"test-app-qa"
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}`},
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metrics: []string{"nginx_ingress_controller_response_duration_milliseconds"},
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wantBefore: `
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# HELP nginx_ingress_controller_response_duration_milliseconds The time spent on receiving the response from the upstream server
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# TYPE nginx_ingress_controller_response_duration_milliseconds histogram
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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`,
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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registry := prometheus.NewPedanticRegistry()
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sc, err := NewSocketCollector("pod", "default", "ingress")
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if err != nil {
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t.Errorf("%v: unexpected error creating new SocketCollector: %v", c.name, err)
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}
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if err := registry.Register(sc); err != nil {
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t.Errorf("registering collector failed: %s", err)
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}
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for _, d := range c.data {
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sc.handleMessage([]byte(d))
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}
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if err := GatherAndCompare(sc, c.wantBefore, c.metrics, registry); err != nil {
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t.Errorf("unexpected collecting result:\n%s", err)
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}
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if len(c.removeIngresses) > 0 {
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sc.RemoveMetrics(c.removeIngresses, registry)
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time.Sleep(1 * time.Second)
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if err := GatherAndCompare(sc, c.wantAfter, c.metrics, registry); err != nil {
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t.Errorf("unexpected collecting result:\n%s", err)
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}
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}
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sc.Stop()
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registry.Unregister(sc)
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})
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}
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}
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