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operator.go
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operator.go
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// Copyright 2017 The etcd-operator Authors
//
// 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 controller
import (
"context"
"sync"
"github.com/coreos/etcd-operator/pkg/client"
"github.com/coreos/etcd-operator/pkg/generated/clientset/versioned"
"github.com/coreos/etcd-operator/pkg/util/k8sutil"
"github.com/sirupsen/logrus"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/workqueue"
)
type Restore struct {
logger *logrus.Entry
namespace string
mySvcAddr string
// k8s workqueue pattern
indexer cache.Indexer
informer cache.Controller
queue workqueue.RateLimitingInterface
kubecli kubernetes.Interface
restoreCRCli versioned.Interface
// restoreCRs is a map of cluster name to restore cr.
restoreCRs sync.Map
// clusterNames is map of informer's indexer keys to cluster names
clusterNames sync.Map
}
// New creates a restore operator.
func New(namespace, mySvcAddr string) *Restore {
return &Restore{
logger: logrus.WithField("pkg", "controller"),
namespace: namespace,
mySvcAddr: mySvcAddr,
kubecli: k8sutil.MustNewKubeClient(),
restoreCRCli: client.MustNewInCluster(),
}
}
// Start starts the restore operator.
func (r *Restore) Start(ctx context.Context) error {
go r.run(ctx)
go r.startHTTP()
<-ctx.Done()
return ctx.Err()
}