k8s: fixing main log

k8s: reconciliation changes, now using patch instead of update

src/go/k8s/cmd/external/main.go

@@ -0,0 +1,166 @@
+// Copyright 2021 Redpanda Data, Inc.
+//
+// Use of this software is governed by the Business Source License
+// included in the file licenses/BSL.md
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0
+package main
+
+import (
+	"log"
+	"net/http"
+	"net/http/pprof"
+	"os"
+	"time"
+
+	cmapiv1 "github.com/cert-manager/cert-manager/pkg/apis/certmanager/v1"
+	helmControllerAPIV2 "github.com/fluxcd/helm-controller/api/v2beta1"
+	"github.com/fluxcd/pkg/runtime/client"
+	"github.com/fluxcd/pkg/runtime/logger"
+	sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
+	redpandav1alpha1 "github.com/redpanda-data/redpanda/src/go/k8s/apis/redpanda/v1alpha1"
+	vectorizedv1alpha1 "github.com/redpanda-data/redpanda/src/go/k8s/apis/vectorized/v1alpha1"
+	redpandacontrollers "github.com/redpanda-data/redpanda/src/go/k8s/controllers/redpanda"
+	flag "github.com/spf13/pflag"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	_ "k8s.io/client-go/plugin/pkg/client/auth"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/healthz"
+)
+
+var (
+	scheme   = runtime.NewScheme()
+	setupLog = ctrl.Log.WithName("setup")
+
+	clientOptions  client.Options
+	kubeConfigOpts client.KubeConfigOptions
+	logOptions     logger.Options
+)
+
+//nolint:wsl // the init was generated by kubebuilder
+func init() {
+	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
+	utilruntime.Must(redpandav1alpha1.AddToScheme(scheme))
+	utilruntime.Must(vectorizedv1alpha1.AddToScheme(scheme))
+	utilruntime.Must(cmapiv1.AddToScheme(scheme))
+	utilruntime.Must(helmControllerAPIV2.AddToScheme(scheme))
+	utilruntime.Must(sourcev1.AddToScheme(scheme))
+	//+kubebuilder:scaffold:scheme
+}
+
+// +kubebuilder:rbac:groups=coordination.k8s.io,namespace=default,resources=leases,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=core,namespace=default,resources=configmaps,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=core,namespace=default,resources=events,verbs=create;patch
+
+//nolint:funlen // length looks good
+func main() {
+	var (
+		clusterDomain            string
+		metricsAddr              string
+		probeAddr                string
+		pprofAddr                string
+		enableLeaderElection     bool
+		decommissionWaitInterval time.Duration
+		metricsTimeout           time.Duration
+		namespace                string
+		eventsAddr               string
+
+		debug bool
+	)
+
+	flag.StringVar(&eventsAddr, "events-addr", "", "The address of the events receiver.")
+	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
+	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
+	flag.StringVar(&pprofAddr, "pprof-bind-address", ":8082", "The address the metric endpoint binds to.")
+	flag.StringVar(&clusterDomain, "cluster-domain", "cluster.local", "Set the Kubernetes local domain (Kubelet's --cluster-domain)")
+	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
+		"Enable leader election for controller manager. "+
+			"Enabling this will ensure there is only one active controller manager.")
+	flag.DurationVar(&decommissionWaitInterval, "decommission-wait-interval", 8*time.Second, "Set the time to wait for a node decommission to happen in the cluster")
+	flag.DurationVar(&metricsTimeout, "metrics-timeout", 8*time.Second, "Set the timeout for a checking metrics Admin API endpoint. If set to 0, then the 2 seconds default will be used")
+	flag.BoolVar(&vectorizedv1alpha1.AllowDownscalingInWebhook, "allow-downscaling", true, "Allow to reduce the number of replicas in existing clusters")
+	flag.BoolVar(&vectorizedv1alpha1.AllowConsoleAnyNamespace, "allow-console-any-ns", false, "Allow to create Console in any namespace. Allowing this copies Redpanda SchemaRegistry TLS Secret to namespace (alpha feature)")
+	flag.StringVar(&vectorizedv1alpha1.SuperUsersPrefix, "superusers-prefix", "", "Prefix to add in username of superusers managed by operator. This will only affect new clusters, enabling this will not add prefix to existing clusters (alpha feature)")
+	flag.BoolVar(&debug, "debug", false, "Set to enable debugging")
+	flag.StringVar(&namespace, "namespace", corev1.NamespaceDefault, "If namespace is set to not empty value, it changes scope of Redpanda operator to work in single namespace")
+
+	logOptions.BindFlags(flag.CommandLine)
+	clientOptions.BindFlags(flag.CommandLine)
+	kubeConfigOpts.BindFlags(flag.CommandLine)
+
+	flag.Parse()
+
+	ctrl.SetLogger(logger.NewLogger(logOptions))
+
+	if debug {
+		go func() {
+			pprofMux := http.NewServeMux()
+			pprofMux.HandleFunc("/debug/pprof/", pprof.Index)
+			pprofMux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
+			pprofMux.HandleFunc("/debug/pprof/profile", pprof.Profile)
+			pprofMux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
+			pprofMux.HandleFunc("/debug/pprof/trace", pprof.Trace)
+			pprofServer := &http.Server{
+				Addr:              pprofAddr,
+				Handler:           pprofMux,
+				ReadHeaderTimeout: 3 * time.Second,
+			}
+			log.Fatal(pprofServer.ListenAndServe())
+		}()
+	}
+
+	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+		Scheme:                  scheme,
+		MetricsBindAddress:      metricsAddr,
+		Port:                    9443,
+		HealthProbeBindAddress:  probeAddr,
+		LeaderElection:          enableLeaderElection,
+		LeaderElectionID:        "aa9gre693.redpanda.io",
+		Namespace:               namespace,
+		LeaderElectionNamespace: namespace,
+	})
+	if err != nil {
+		setupLog.Error(err, "Unable to start manager")
+		os.Exit(1)
+	}
+
+	if err = (&redpandacontrollers.RedpandaNodePVCReconciler{
+		Client:    mgr.GetClient(),
+		Namespace: namespace,
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "RedpandaNodePVCReconciler")
+		os.Exit(1)
+	}
+
+	if err = (&redpandacontrollers.DecommissionReconciler{
+		Client:    mgr.GetClient(),
+		Namespace: namespace,
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "DecommissionReconciler")
+		os.Exit(1)
+	}
+
+	//+kubebuilder:scaffold:builder
+
+	if err := mgr.AddHealthzCheck("health", healthz.Ping); err != nil {
+		setupLog.Error(err, "Unable to set up health check")
+		os.Exit(1)
+	}
+
+	if err := mgr.AddReadyzCheck("check", healthz.Ping); err != nil {
+		setupLog.Error(err, "Unable to set up ready check")
+		os.Exit(1)
+	}
+
+	setupLog.Info("Starting manager")
+
+	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
+		setupLog.Error(err, "Problem running manager")
+		os.Exit(1)
+	}
+}

src/go/k8s/controllers/redpanda/redpanda_controller_common.go

@@ -0,0 +1 @@
+package redpanda