ingress-nginx-helm/cmd/dataplane/main.go
Chen Chen b3060bfbd0
Fix golangci-lint errors (#10196)
* Fix golangci-lint errors

Signed-off-by: z1cheng <imchench@gmail.com>

* Fix dupl errors

Signed-off-by: z1cheng <imchench@gmail.com>

* Fix comments

Signed-off-by: z1cheng <imchench@gmail.com>

* Fix errcheck lint errors

Signed-off-by: z1cheng <imchench@gmail.com>

* Fix assert in e2e test

Signed-off-by: z1cheng <imchench@gmail.com>

* Not interrupt the waitForPodsReady

Signed-off-by: z1cheng <imchench@gmail.com>

* Replace string with constant

Signed-off-by: z1cheng <imchench@gmail.com>

* Fix comments

Signed-off-by: z1cheng <imchench@gmail.com>

* Revert write file permision

Signed-off-by: z1cheng <imchench@gmail.com>

---------

Signed-off-by: z1cheng <imchench@gmail.com>
2023-08-31 00:36:48 -07:00

96 lines
2.7 KiB
Go

/*
Copyright 2022 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 main
import (
"fmt"
"net/http"
"os"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/collectors"
"k8s.io/klog/v2"
"k8s.io/ingress-nginx/internal/ingress/controller"
"k8s.io/ingress-nginx/internal/ingress/metric"
"k8s.io/ingress-nginx/internal/nginx"
ingressflags "k8s.io/ingress-nginx/pkg/flags"
"k8s.io/ingress-nginx/pkg/metrics"
"k8s.io/ingress-nginx/pkg/util/file"
"k8s.io/ingress-nginx/pkg/util/process"
"k8s.io/ingress-nginx/version"
)
func main() {
klog.InitFlags(nil)
fmt.Println(version.String())
var err error
showVersion, conf, err := ingressflags.ParseFlags()
if showVersion {
os.Exit(0)
}
if err != nil {
klog.Fatal(err)
}
err = file.CreateRequiredDirectories()
if err != nil {
klog.Fatal(err)
}
reg := prometheus.NewRegistry()
reg.MustRegister(collectors.NewGoCollector())
reg.MustRegister(collectors.NewProcessCollector(collectors.ProcessCollectorOpts{
PidFn: func() (int, error) { return os.Getpid(), nil },
ReportErrors: true,
}))
mc := metric.NewDummyCollector()
if conf.EnableMetrics {
// TODO: Ingress class is not a part of dataplane anymore
mc, err = metric.NewCollector(conf.MetricsPerHost, conf.ReportStatusClasses, reg, conf.IngressClassConfiguration.Controller, *conf.MetricsBuckets, conf.ExcludeSocketMetrics)
if err != nil {
klog.Fatalf("Error creating prometheus collector: %v", err)
}
}
// Pass the ValidationWebhook status to determine if we need to start the collector
// for the admissionWebhook
// TODO: Dataplane does not contain validation webhook so the MetricCollector should not receive
// this as an argument
mc.Start(conf.ValidationWebhook)
if conf.EnableProfiling {
go metrics.RegisterProfiler(nginx.ProfilerAddress, nginx.ProfilerPort)
}
ngx := controller.NewNGINXController(conf, mc)
mux := http.NewServeMux()
metrics.RegisterHealthz(nginx.HealthPath, mux)
metrics.RegisterMetrics(reg, mux)
go metrics.StartHTTPServer(conf.HealthCheckHost, conf.ListenPorts.Health, mux)
go ngx.Start()
process.HandleSigterm(ngx, conf.PostShutdownGracePeriod, func(code int) {
os.Exit(code)
})
}