143 lines
4.3 KiB
Go
143 lines
4.3 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"runtime"
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// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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"github.com/jenkinsci/kubernetes-operator/pkg/apis"
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"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins"
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"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/constants"
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"github.com/jenkinsci/kubernetes-operator/pkg/event"
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"github.com/jenkinsci/kubernetes-operator/pkg/log"
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"github.com/jenkinsci/kubernetes-operator/version"
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"github.com/operator-framework/operator-sdk/pkg/k8sutil"
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"github.com/operator-framework/operator-sdk/pkg/leader"
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"github.com/operator-framework/operator-sdk/pkg/log/zap"
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"github.com/operator-framework/operator-sdk/pkg/metrics"
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"github.com/operator-framework/operator-sdk/pkg/restmapper"
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sdkVersion "github.com/operator-framework/operator-sdk/version"
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"github.com/pkg/errors"
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"github.com/spf13/pflag"
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"k8s.io/client-go/kubernetes"
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_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
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"sigs.k8s.io/controller-runtime/pkg/client/config"
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"sigs.k8s.io/controller-runtime/pkg/manager"
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"sigs.k8s.io/controller-runtime/pkg/runtime/signals"
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)
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// Change below variables to serve metrics on different host or port.
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var (
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metricsHost = "0.0.0.0"
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metricsPort int32 = 8383
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)
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//var log = logf.Log.WithName("cmd")
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func printInfo() {
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log.Log.Info(fmt.Sprintf("Version: %s", version.Version))
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log.Log.Info(fmt.Sprintf("Git commit: %s", version.GitCommit))
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log.Log.Info(fmt.Sprintf("Go Version: %s", runtime.Version()))
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log.Log.Info(fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH))
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log.Log.Info(fmt.Sprintf("operator-sdk Version: %v", sdkVersion.Version))
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}
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func main() {
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// Add the zap logger flag set to the CLI. The flag set must
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// be added before calling pflag.Parse().
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pflag.CommandLine.AddFlagSet(zap.FlagSet())
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// Add flags registered by imported packages (e.g. glog and
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// controller-runtime)
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pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
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minikube := pflag.Bool("minikube", false, "Use minikube as a Kubernetes platform")
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local := pflag.Bool("local", false, "Run operator locally")
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debug := pflag.Bool("debug", false, "Set log level to debug")
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pflag.Parse()
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log.SetupLogger(*debug)
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printInfo()
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namespace, err := k8sutil.GetWatchNamespace()
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if err != nil {
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fatal(errors.Wrap(err, "failed to get watch namespace"), *debug)
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}
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log.Log.Info(fmt.Sprintf("Watch namespace: %v", namespace))
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// get a config to talk to the apiserver
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cfg, err := config.GetConfig()
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if err != nil {
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fatal(errors.Wrap(err, "failed to get config"), *debug)
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}
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ctx := context.TODO()
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// Become the leader before proceeding
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err = leader.Become(ctx, "jenkins-operator-lock")
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if err != nil {
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fatal(errors.Wrap(err, "failed to become leader"), *debug)
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}
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// Create a new Cmd to provide shared dependencies and start components
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mgr, err := manager.New(cfg, manager.Options{
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Namespace: namespace,
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MapperProvider: restmapper.NewDynamicRESTMapper,
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MetricsBindAddress: fmt.Sprintf("%s:%d", metricsHost, metricsPort),
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})
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if err != nil {
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fatal(errors.Wrap(err, "failed to create manager"), *debug)
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}
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log.Log.Info("Registering Components.")
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// setup Scheme for all resources
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if err := apis.AddToScheme(mgr.GetScheme()); err != nil {
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fatal(errors.Wrap(err, "failed to setup scheme"), *debug)
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}
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// setup events
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events, err := event.New(cfg, constants.OperatorName)
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if err != nil {
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fatal(errors.Wrap(err, "failed to create manager"), *debug)
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}
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clientSet, err := kubernetes.NewForConfig(cfg)
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if err != nil {
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fatal(errors.Wrap(err, "failed to create Kubernetes client set"), *debug)
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}
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// setup Jenkins controller
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if err := jenkins.Add(mgr, *local, *minikube, events, *clientSet, *cfg); err != nil {
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fatal(errors.Wrap(err, "failed to setup controllers"), *debug)
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}
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// Create Service object to expose the metrics port.
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_, err = metrics.ExposeMetricsPort(ctx, metricsPort)
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if err != nil {
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log.Log.Info(err.Error())
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}
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log.Log.Info("Starting the Cmd.")
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// start the Cmd
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if err := mgr.Start(signals.SetupSignalHandler()); err != nil {
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fatal(errors.Wrap(err, "failed to start cmd"), *debug)
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}
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}
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func fatal(err error, debug bool) {
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if debug {
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log.Log.Error(nil, fmt.Sprintf("%+v", err))
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} else {
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log.Log.Error(nil, fmt.Sprintf("%s", err))
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}
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os.Exit(-1)
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}
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