forked from gardener-attic/gardener-extensions
/
app.go
140 lines (119 loc) · 5.64 KB
/
app.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 app
import (
"context"
"fmt"
"os"
gcpinstall "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/apis/gcp/install"
gcpcmd "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/cmd"
gcpcontrolplane "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/controller/controlplane"
gcpinfrastructure "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/controller/infrastructure"
gcpworker "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/controller/worker"
"github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/gcp"
gcpcontrolplanebackup "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/webhook/controlplanebackup"
gcpcontrolplaneexposure "github.com/gardener/gardener-extensions/controllers/provider-gcp/pkg/webhook/controlplaneexposure"
"github.com/gardener/gardener-extensions/pkg/controller"
controllercmd "github.com/gardener/gardener-extensions/pkg/controller/cmd"
"github.com/gardener/gardener-extensions/pkg/controller/infrastructure"
webhookcmd "github.com/gardener/gardener-extensions/pkg/webhook/cmd"
"github.com/spf13/cobra"
"sigs.k8s.io/controller-runtime/pkg/manager"
)
// NewControllerManagerCommand creates a new command for running a GCP provider controller.
func NewControllerManagerCommand(ctx context.Context) *cobra.Command {
var (
restOpts = &controllercmd.RESTOptions{}
mgrOpts = &controllercmd.ManagerOptions{
LeaderElection: true,
LeaderElectionID: controllercmd.LeaderElectionNameID(gcp.Name),
LeaderElectionNamespace: os.Getenv("LEADER_ELECTION_NAMESPACE"),
}
configFileOpts = &gcpcmd.ConfigOptions{}
// options for the controlplane controller
controlPlaneCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
// options for the infrastructure controller
infraCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
infraReconcileOpts = &infrastructure.ReconcilerOptions{
IgnoreOperationAnnotation: true,
}
infraCtrlOptsUnprefixed = controllercmd.NewOptionAggregator(infraCtrlOpts, infraReconcileOpts)
// options for the worker controller
workerCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
controllerSwitches = gcpcmd.ControllerSwitchOptions()
webhookSwitches = gcpcmd.WebhookSwitchOptions()
webhookServerOptions = &webhookcmd.ServerOptions{
Port: 7890,
CertDir: "/tmp/cert",
Mode: webhookcmd.ServiceMode,
Name: "webhooks",
Namespace: os.Getenv("WEBHOOK_CONFIG_NAMESPACE"),
ServiceSelectors: "{}",
Host: "localhost",
}
webhookOptions = webhookcmd.NewAddToManagerOptions("gcp-webhooks", webhookServerOptions, webhookSwitches)
aggOption = controllercmd.NewOptionAggregator(
restOpts,
mgrOpts,
controllercmd.PrefixOption("controlplane-", controlPlaneCtrlOpts),
controllercmd.PrefixOption("infrastructure-", &infraCtrlOptsUnprefixed),
controllercmd.PrefixOption("worker-", workerCtrlOpts),
configFileOpts,
controllerSwitches,
webhookOptions,
)
)
cmd := &cobra.Command{
Use: fmt.Sprintf("%s-controller-manager", gcp.Name),
Run: func(cmd *cobra.Command, args []string) {
if err := aggOption.Complete(); err != nil {
controllercmd.LogErrAndExit(err, "Error completing options")
}
mgr, err := manager.New(restOpts.Completed().Config, mgrOpts.Completed().Options())
if err != nil {
controllercmd.LogErrAndExit(err, "Could not instantiate manager")
}
if err := controller.AddToScheme(mgr.GetScheme()); err != nil {
controllercmd.LogErrAndExit(err, "Could not update manager scheme")
}
if err := gcpinstall.AddToScheme(mgr.GetScheme()); err != nil {
controllercmd.LogErrAndExit(err, "Could not update manager scheme")
}
configFileOpts.Completed().ApplyMachineImages(&gcpworker.DefaultAddOptions.MachineImages)
configFileOpts.Completed().ApplyETCDStorage(&gcpcontrolplaneexposure.DefaultAddOptions.ETCDStorage)
configFileOpts.Completed().ApplyETCDBackup(&gcpcontrolplanebackup.DefaultAddOptions.ETCDBackup)
controlPlaneCtrlOpts.Completed().Apply(&gcpcontrolplane.Options)
infraCtrlOpts.Completed().Apply(&gcpinfrastructure.DefaultAddOptions.Controller)
infraReconcileOpts.Completed().Apply(&gcpinfrastructure.DefaultAddOptions.IgnoreOperationAnnotation)
workerCtrlOpts.Completed().Apply(&gcpworker.DefaultAddOptions.Controller)
if err := controllerSwitches.Completed().AddToManager(mgr); err != nil {
controllercmd.LogErrAndExit(err, "Could not add controllers to manager")
}
if err := webhookOptions.Completed().AddToManager(mgr); err != nil {
controllercmd.LogErrAndExit(err, "Could not add webhooks to manager")
}
if err := mgr.Start(ctx.Done()); err != nil {
controllercmd.LogErrAndExit(err, "Error running manager")
}
},
}
aggOption.AddFlags(cmd.Flags())
return cmd
}