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app.go
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app.go
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// Copyright (c) 2020 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"
azureinstall "github.com/gardener/gardener-extension-provider-azure/pkg/apis/azure/install"
providerazure "github.com/gardener/gardener-extension-provider-azure/pkg/azure"
"github.com/gardener/gardener-extension-provider-azure/pkg/validator"
controllercmd "github.com/gardener/gardener/extensions/pkg/controller/cmd"
"github.com/gardener/gardener/pkg/apis/core/install"
"github.com/spf13/cobra"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/webhook"
)
var log = logf.Log.WithName("gardener-extension-validator-azure")
// NewValidatorCommand creates a new command for running an Azure validator.
func NewValidatorCommand(ctx context.Context) *cobra.Command {
var (
restOpts = &controllercmd.RESTOptions{}
mgrOpts = &controllercmd.ManagerOptions{
WebhookServerPort: 443,
}
aggOption = controllercmd.NewOptionAggregator(
restOpts,
mgrOpts,
)
)
cmd := &cobra.Command{
Use: fmt.Sprintf("validator-%s", providerazure.Type),
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")
}
install.Install(mgr.GetScheme())
if err := azureinstall.AddToScheme(mgr.GetScheme()); err != nil {
controllercmd.LogErrAndExit(err, "could not update manager scheme")
}
log.Info("Setting up webhook server")
hookServer := mgr.GetWebhookServer()
log.Info("Registering webhooks")
hookServer.Register("/webhooks/validate", &webhook.Admission{Handler: &validator.Shoot{Logger: log.WithName("shoot-validator")}})
if err := mgr.Start(ctx); err != nil {
controllercmd.LogErrAndExit(err, "error running manager")
}
},
}
aggOption.AddFlags(cmd.Flags())
return cmd
}