forked from coreos/etcd-operator
/
abs.go
94 lines (82 loc) · 2.4 KB
/
abs.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 backupstorage
import (
"path"
backupabs "github.com/coreos/etcd-operator/pkg/backup/abs"
"github.com/coreos/etcd-operator/pkg/spec"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
type abs struct {
clusterName string
namespace string
backupPolicy spec.BackupPolicy
kubecli kubernetes.Interface
abscli *backupabs.ABS
}
// NewABSStorage returns a new ABS Storage implementation using the given kubecli, cluster name, namespace and backup policy
func NewABSStorage(kubecli kubernetes.Interface, clusterName, ns string, p spec.BackupPolicy) (Storage, error) {
prefix := path.Join(ns, clusterName)
abscli, err := func() (*backupabs.ABS, error) {
account, key, err := setupABSCreds(kubecli, ns, p.ABS.ABSSecret)
if err != nil {
return nil, err
}
return backupabs.New(p.ABS.ABSContainer, account, key, prefix)
}()
if err != nil {
return nil, err
}
ws := &abs{
kubecli: kubecli,
clusterName: clusterName,
backupPolicy: p,
namespace: ns,
abscli: abscli,
}
return ws, nil
}
func (a *abs) Create() error {
// TODO: check if container exists?
return nil
}
func (a *abs) Clone(from string) error {
prefix := a.namespace + "/" + from
return a.abscli.CopyPrefix(prefix)
}
func (a *abs) Delete() error {
if a.backupPolicy.AutoDelete {
names, err := a.abscli.List()
if err != nil {
return err
}
for _, n := range names {
err = a.abscli.Delete(n)
if err != nil {
return err
}
}
}
return nil
}
func setupABSCreds(kubecli kubernetes.Interface, ns, secret string) (account, key string, err error) {
se, err := kubecli.CoreV1().Secrets(ns).Get(secret, metav1.GetOptions{})
if err != nil {
return "", "", err
}
account = string(se.Data[spec.ABSStorageAccount])
key = string(se.Data[spec.ABSStorageKey])
return
}