/
main.go
85 lines (65 loc) · 2.11 KB
/
main.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package main
import (
"os"
"runtime"
"github.com/go-logr/logr"
"go.uber.org/zap/zapcore"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
"github.com/gardener/etcd-druid/controllers"
"github.com/gardener/etcd-druid/pkg/version"
flag "github.com/spf13/pflag"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
ctrl "sigs.k8s.io/controller-runtime"
// +kubebuilder:scaffold:imports
)
var logger = ctrl.Log.WithName("druid")
func main() {
ctx := ctrl.SetupSignalHandler()
ctrl.SetLogger(zap.New(buildDefaultLoggerOpts()...))
printVersionInfo()
mgrConfig := controllers.ManagerConfig{}
if err := mgrConfig.InitFromFlags(flag.CommandLine); err != nil {
logger.Error(err, "failed to initialize from flags")
os.Exit(1)
}
flag.Parse()
printFlags(logger)
if err := mgrConfig.Validate(); err != nil {
logger.Error(err, "validation of manager config failed")
os.Exit(1)
}
mgr, err := controllers.CreateManagerWithControllers(&mgrConfig)
if err != nil {
logger.Error(err, "failed to create druid controller manager")
os.Exit(1)
}
// +kubebuilder:scaffold:builder
logger.Info("Starting manager")
if err := mgr.Start(ctx); err != nil {
logger.Error(err, "Error running manager")
os.Exit(1)
}
}
func printVersionInfo() {
logger.Info("Etcd-druid build information", "Etcd-druid Version", version.Version, "Git SHA", version.GitSHA)
logger.Info("Golang runtime information", "Version", runtime.Version(), "OS", runtime.GOOS, "Arch", runtime.GOARCH)
}
func printFlags(logger logr.Logger) {
var flagKVs []interface{}
flag.VisitAll(func(f *flag.Flag) {
flagKVs = append(flagKVs, f.Name, f.Value.String())
})
logger.Info("Running with flags", flagKVs...)
}
func buildDefaultLoggerOpts() []zap.Opts {
var opts []zap.Opts
opts = append(opts, zap.UseDevMode(false))
opts = append(opts, zap.JSONEncoder(func(encoderConfig *zapcore.EncoderConfig) {
encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
encoderConfig.EncodeDuration = zapcore.StringDurationEncoder
}))
return opts
}