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Code Issues Releases Wiki Activity

Automatically sync local backups

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This commit is contained in:
moelsayed
2019-01-28 19:17:44 +02:00
committed by Alena Prokharchyk
parent fa332f7e07
commit 285ac8d81c
4 changed files with 142 additions and 6 deletions
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70
services/etcd.go
View File

@@ -335,7 +335,8 @@ func RunEtcdSnapshotSave(ctx context.Context, etcdHost *hosts.Host, prsMap map[s
return nil
}
func DownloadEtcdSnapshot(ctx context.Context, etcdHost *hosts.Host, prsMap map[string]v3.PrivateRegistry, etcdSnapshotImage string, name string, es v3.ETCDService) error {
func DownloadEtcdSnapshotFromS3(ctx context.Context, etcdHost *hosts.Host, prsMap map[string]v3.PrivateRegistry, etcdSnapshotImage string, name string, es v3.ETCDService) error {
log.Infof(ctx, "[etcd] Get snapshot [%s] on host [%s]", name, etcdHost.Address)
s3Backend := es.BackupConfig.S3BackupConfig
if len(s3Backend.Endpoint) == 0 || len(s3Backend.BucketName) == 0 {
@@ -347,6 +348,7 @@ func DownloadEtcdSnapshot(ctx context.Context, etcdHost *hosts.Host, prsMap map[
"etcd-backup",
"download",
"--name", name,
"--s3-backup=true",
"--s3-endpoint=" + s3Backend.Endpoint,
"--s3-accessKey=" + s3Backend.AccessKey,
"--s3-secretKey=" + s3Backend.SecretKey,
@@ -490,3 +492,69 @@ func configS3BackupImgCmd(ctx context.Context, imageCfg *container.Config, bc *v
imageCfg.Cmd = append(imageCfg.Cmd, cmd...)
return imageCfg
}
func StartBackupServer(ctx context.Context, etcdHost *hosts.Host, prsMap map[string]v3.PrivateRegistry, etcdSnapshotImage string, name string) error {
log.Infof(ctx, "[etcd] starting backup server on host [%s]", etcdHost.Address)
imageCfg := &container.Config{
Cmd: []string{
"/opt/rke-tools/rke-etcd-backup",
"etcd-backup",
"serve",
"--name", name,
"--cacert", pki.GetCertPath(pki.CACertName),
"--cert", pki.GetCertPath(pki.KubeNodeCertName),
"--key", pki.GetKeyPath(pki.KubeNodeCertName),
},
Image: etcdSnapshotImage,
}
hostCfg := &container.HostConfig{
Binds: []string{
fmt.Sprintf("%s:/backup", EtcdSnapshotPath),
fmt.Sprintf("%s:/etc/kubernetes:z", path.Join(etcdHost.PrefixPath, "/etc/kubernetes"))},
NetworkMode: container.NetworkMode("host"),
RestartPolicy: container.RestartPolicy{Name: "on-failure"},
}
return docker.DoRunContainer(ctx, etcdHost.DClient, imageCfg, hostCfg, EtcdServeBackupContainerName, etcdHost.Address, ETCDRole, prsMap)
}
func DownloadEtcdSnapshotFromBackupServer(ctx context.Context, etcdHost *hosts.Host, prsMap map[string]v3.PrivateRegistry, etcdSnapshotImage, name string, backupServer *hosts.Host) error {
log.Infof(ctx, "[etcd] Get snapshot [%s] on host [%s]", name, etcdHost.Address)
imageCfg := &container.Config{
Cmd: []string{
"/opt/rke-tools/rke-etcd-backup",
"etcd-backup",
"download",
"--name", name,
"--local-endpoint", backupServer.Address,
"--cacert", pki.GetCertPath(pki.CACertName),
"--cert", pki.GetCertPath(pki.KubeNodeCertName),
"--key", pki.GetKeyPath(pki.KubeNodeCertName),
},
Image: etcdSnapshotImage,
}
hostCfg := &container.HostConfig{
Binds: []string{
fmt.Sprintf("%s:/backup", EtcdSnapshotPath),
fmt.Sprintf("%s:/etc/kubernetes:z", path.Join(etcdHost.PrefixPath, "/etc/kubernetes"))},
NetworkMode: container.NetworkMode("host"),
RestartPolicy: container.RestartPolicy{Name: "on-failure"},
}
if err := docker.DoRunContainer(ctx, etcdHost.DClient, imageCfg, hostCfg, EtcdDownloadBackupContainerName, etcdHost.Address, ETCDRole, prsMap); err != nil {
return err
}
status, _, stderr, err := docker.GetContainerOutput(ctx, etcdHost.DClient, EtcdDownloadBackupContainerName, etcdHost.Address)
if status != 0 || err != nil {
if removeErr := docker.RemoveContainer(ctx, etcdHost.DClient, etcdHost.Address, EtcdDownloadBackupContainerName); removeErr != nil {
log.Warnf(ctx, "Failed to remove container [%s]: %v", removeErr)
}
if err != nil {
return err
}
return fmt.Errorf("Failed to download etcd snapshot from backup server [%s], exit code [%d]: %v", backupServer.Address, status, stderr)
}
return docker.RemoveContainer(ctx, etcdHost.DClient, etcdHost.Address, EtcdDownloadBackupContainerName)
}

1
services/services.go
View File

@@ -32,6 +32,7 @@ const (
EtcdSnapshotOnceContainerName = "etcd-snapshot-once"
EtcdRestoreContainerName = "etcd-restore"
EtcdDownloadBackupContainerName = "etcd-download-backup"
EtcdServeBackupContainerName = "etcd-Serve-backup"
EtcdChecksumContainerName = "etcd-checksum-checker"
NginxProxyContainerName = "nginx-proxy"
SidekickContainerName = "service-sidekick"