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main.go
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main.go
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/*
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"flag"
"os"
"time"
"go.uber.org/zap/zapcore"
"k8s.io/apimachinery/pkg/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
esv1alpha1 "github.com/external-secrets/external-secrets/apis/externalsecrets/v1alpha1"
"github.com/external-secrets/external-secrets/pkg/controllers/externalsecret"
"github.com/external-secrets/external-secrets/pkg/controllers/secretstore"
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
)
const errCreateController = "unable to create controller"
func init() {
_ = clientgoscheme.AddToScheme(scheme)
_ = esv1alpha1.AddToScheme(scheme)
}
func main() {
var metricsAddr string
var controllerClass string
var enableLeaderElection bool
var concurrent int
var loglevel string
var namespace string
var storeRequeueInterval time.Duration
flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
flag.StringVar(&controllerClass, "controller-class", "default", "the controller is instantiated with a specific controller name and filters ES based on this property")
flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
"Enable leader election for controller manager. "+
"Enabling this will ensure there is only one active controller manager.")
flag.IntVar(&concurrent, "concurrent", 1, "The number of concurrent ExternalSecret reconciles.")
flag.StringVar(&loglevel, "loglevel", "info", "loglevel to use, one of: debug, info, warn, error, dpanic, panic, fatal")
flag.StringVar(&namespace, "namespace", "", "watch external secrets scoped in the provided namespace only. ClusterSecretStore can be used but only work if it doesn't reference resources from other namespaces")
flag.DurationVar(&storeRequeueInterval, "store-requeue-interval", time.Minute*5, "Time duration between reconciling (Cluster)SecretStores")
flag.Parse()
var lvl zapcore.Level
err := lvl.UnmarshalText([]byte(loglevel))
if err != nil {
setupLog.Error(err, "error unmarshalling loglevel")
os.Exit(1)
}
logger := zap.New(zap.Level(lvl))
ctrl.SetLogger(logger)
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
MetricsBindAddress: metricsAddr,
Port: 9443,
LeaderElection: enableLeaderElection,
LeaderElectionID: "external-secrets-controller",
Namespace: namespace,
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
if err = (&secretstore.StoreReconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("SecretStore"),
Scheme: mgr.GetScheme(),
ControllerClass: controllerClass,
RequeueInterval: storeRequeueInterval,
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, errCreateController, "controller", "SecretStore")
os.Exit(1)
}
if err = (&secretstore.ClusterStoreReconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("ClusterSecretStore"),
Scheme: mgr.GetScheme(),
ControllerClass: controllerClass,
RequeueInterval: storeRequeueInterval,
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, errCreateController, "controller", "ClusterSecretStore")
os.Exit(1)
}
if err = (&externalsecret.Reconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("ExternalSecret"),
Scheme: mgr.GetScheme(),
ControllerClass: controllerClass,
RequeueInterval: time.Hour,
}).SetupWithManager(mgr, controller.Options{
MaxConcurrentReconciles: concurrent,
}); err != nil {
setupLog.Error(err, errCreateController, "controller", "ExternalSecret")
os.Exit(1)
}
setupLog.Info("starting manager")
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
os.Exit(1)
}
}