97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package controller
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import (
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"fmt"
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"os"
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"time"
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// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
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// to ensure that exec-entrypoint and run can make use of them.
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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"k8s.io/apimachinery/pkg/runtime"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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clientgoscheme "k8s.io/client-go/kubernetes/scheme"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/cache"
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"sigs.k8s.io/controller-runtime/pkg/healthz"
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"sigs.k8s.io/controller-runtime/pkg/log/zap"
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"sigs.k8s.io/controller-runtime/pkg/manager"
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metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
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"github.com/dapr/kubernetes-operator/pkg/logger"
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)
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var (
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Scheme = runtime.NewScheme()
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Log = ctrl.Log.WithName("controller")
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)
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const (
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PprofReadTimeout = 10 * time.Second
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PprofWriteTimeout = 10 * time.Second
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)
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//nolint:gochecknoinits
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func init() {
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utilruntime.Must(clientgoscheme.AddToScheme(Scheme))
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}
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func Start(options Options, setup func(manager.Manager, Options) error) error {
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ctrl.SetLogger(zap.New(zap.UseFlagOptions(&logger.Options)))
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ctx := ctrl.SetupSignalHandler()
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mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
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Scheme: Scheme,
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HealthProbeBindAddress: options.ProbeAddr,
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LeaderElection: options.EnableLeaderElection,
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LeaderElectionID: options.LeaderElectionID,
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LeaderElectionReleaseOnCancel: options.ReleaseLeaderElectionOnCancel,
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LeaderElectionNamespace: options.LeaderElectionNamespace,
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PprofBindAddress: options.PprofAddr,
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Metrics: metricsserver.Options{
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BindAddress: options.MetricsAddr,
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},
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Cache: cache.Options{
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ByObject: options.WatchSelectors,
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},
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})
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if err != nil {
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return fmt.Errorf("unable to create manager: %w", err)
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}
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if err := setup(mgr, options); err != nil {
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return fmt.Errorf("unable to set up controllers: %w", err)
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}
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if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
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return fmt.Errorf("unable to set up health check: %w", err)
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}
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if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
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return fmt.Errorf("unable to set up readiness check: %w", err)
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}
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Log.Info("starting manager")
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if err := mgr.Start(ctx); err != nil {
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return fmt.Errorf("problem running manager: %w", err)
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}
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return nil
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}
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func OperatorNamespace() string {
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// by default, the controller expect singleton resources to be created in the same
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// namespace where it runs, if not fallback to the default namespace
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ns := os.Getenv(NamespaceEnv)
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if ns == "" {
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ns = NamespaceDefault
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}
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return ns
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}
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