package main import ( "context" "flag" "fmt" "os" "runtime" "github.com/onap/multicloud-k8s/src/monitor/pkg/apis" "github.com/onap/multicloud-k8s/src/monitor/pkg/controller" "github.com/operator-framework/operator-sdk/pkg/k8sutil" "github.com/operator-framework/operator-sdk/pkg/leader" "github.com/operator-framework/operator-sdk/pkg/restmapper" sdkVersion "github.com/operator-framework/operator-sdk/version" "github.com/spf13/pflag" "sigs.k8s.io/controller-runtime/pkg/client/config" "sigs.k8s.io/controller-runtime/pkg/manager" logf "sigs.k8s.io/controller-runtime/pkg/runtime/log" "sigs.k8s.io/controller-runtime/pkg/runtime/signals" ) // Change below variables to serve metrics on different host or port. var ( metricsHost = "0.0.0.0" metricsPort int32 = 8383 operatorMetricsPort int32 = 8686 ) var log = logf.Log.WithName("cmd") func printVersion() { log.Info(fmt.Sprintf("Go Version: %s", runtime.Version())) log.Info(fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH)) log.Info(fmt.Sprintf("Version of operator-sdk: %v", sdkVersion.Version)) } func main() { // Add the zap logger flag set to the CLI. The flag set must // be added before calling pflag.Parse(). //pflag.CommandLine.AddFlagSet(zap.FlagSet()) // Add flags registered by imported packages (e.g. glog and // controller-runtime) pflag.CommandLine.AddGoFlagSet(flag.CommandLine) pflag.Parse() // Use a zap logr.Logger implementation. If none of the zap // flags are configured (or if the zap flag set is not being // used), this defaults to a production zap logger. // // The logger instantiated here can be changed to any logger // implementing the logr.Logger interface. This logger will // be propagated through the whole operator, generating // uniform and structured logs. //logf.SetLogger(zap.Logger()) printVersion() namespace, err := k8sutil.GetWatchNamespace() if err != nil { log.Error(err, "Failed to get watch namespace") os.Exit(1) } // Get a config to talk to the apiserver cfg, err := config.GetConfig() if err != nil { log.Error(err, "") os.Exit(1) } ctx := context.TODO() // Become the leader before proceeding err = leader.Become(ctx, "monitor-lock") if err != nil { log.Error(err, "") os.Exit(1) } // Create a new Cmd to provide shared dependencies and start components mgr, err := manager.New(cfg, manager.Options{ Namespace: namespace, MapperProvider: restmapper.NewDynamicRESTMapper, MetricsBindAddress: fmt.Sprintf("%s:%d", metricsHost, metricsPort), }) if err != nil { log.Error(err, "") os.Exit(1) } log.Info("Registering Components.") // Setup Scheme for all resources if err := apis.AddToScheme(mgr.GetScheme()); err != nil { log.Error(err, "") os.Exit(1) } // Setup all Controllers if err := controller.AddToManager(mgr); err != nil { log.Error(err, "") os.Exit(1) } log.Info("Starting the Cmd.") // Start the Cmd if err := mgr.Start(signals.SetupSignalHandler()); err != nil { log.Error(err, "Manager exited non-zero") os.Exit(1) } }