108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
package controller
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"net/http/pprof"
|
|
"time"
|
|
|
|
// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
|
|
// to ensure that exec-entrypoint and run can make use of them.
|
|
_ "k8s.io/client-go/plugin/pkg/client/auth"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
|
|
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
|
|
ctrl "sigs.k8s.io/controller-runtime"
|
|
"sigs.k8s.io/controller-runtime/pkg/cache"
|
|
"sigs.k8s.io/controller-runtime/pkg/healthz"
|
|
"sigs.k8s.io/controller-runtime/pkg/log/zap"
|
|
"sigs.k8s.io/controller-runtime/pkg/manager"
|
|
metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
|
|
|
|
"github.com/dapr-sandbox/dapr-kubernetes-operator/pkg/logger"
|
|
)
|
|
|
|
var (
|
|
Scheme = runtime.NewScheme()
|
|
Log = ctrl.Log.WithName("controller")
|
|
)
|
|
|
|
const (
|
|
PprofReadTimeout = 10 * time.Second
|
|
PprofWriteTimeout = 10 * time.Second
|
|
)
|
|
|
|
func init() {
|
|
utilruntime.Must(clientgoscheme.AddToScheme(Scheme))
|
|
}
|
|
|
|
func Start(options Options, setup func(manager.Manager, Options) error) error {
|
|
ctrl.SetLogger(zap.New(zap.UseFlagOptions(&logger.Options)))
|
|
|
|
ctx := ctrl.SetupSignalHandler()
|
|
|
|
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
|
|
Scheme: Scheme,
|
|
HealthProbeBindAddress: options.ProbeAddr,
|
|
LeaderElection: options.EnableLeaderElection,
|
|
LeaderElectionID: options.LeaderElectionID,
|
|
LeaderElectionReleaseOnCancel: options.ReleaseLeaderElectionOnCancel,
|
|
LeaderElectionNamespace: options.LeaderElectionNamespace,
|
|
|
|
Metrics: metricsserver.Options{
|
|
BindAddress: options.MetricsAddr,
|
|
},
|
|
Cache: cache.Options{
|
|
ByObject: options.WatchSelectors,
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
return fmt.Errorf("unable to create manager: %w", err)
|
|
}
|
|
|
|
if err := setup(mgr, options); err != nil {
|
|
return fmt.Errorf("unable to set up controllers: %w", err)
|
|
}
|
|
|
|
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
|
|
return fmt.Errorf("unable to set up health check: %w", err)
|
|
}
|
|
|
|
if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
|
|
return fmt.Errorf("unable to set up readiness check: %w", err)
|
|
}
|
|
|
|
if options.PprofAddr != "" {
|
|
mux := http.NewServeMux()
|
|
mux.HandleFunc("/debug/pprof/", pprof.Index)
|
|
mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
|
|
mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
|
|
mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
|
|
mux.HandleFunc("/debug/pprof/trace", pprof.Trace)
|
|
|
|
server := &http.Server{
|
|
Addr: options.PprofAddr,
|
|
ReadTimeout: PprofReadTimeout,
|
|
WriteTimeout: PprofWriteTimeout,
|
|
Handler: mux,
|
|
}
|
|
|
|
Log.Info("starting pprof")
|
|
|
|
go func() {
|
|
err := server.ListenAndServe()
|
|
Log.Error(err, "pprof")
|
|
}()
|
|
}
|
|
|
|
Log.Info("starting manager")
|
|
|
|
if err := mgr.Start(ctx); err != nil {
|
|
return fmt.Errorf("problem running manager: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|