Files
my-rook-config/cmd/rook/ceph/mds.go
T
Blaine Gardner 4be911c5b1 Ceph: include daemons as <dmn>daemon
To help with code readability, include daemons from `pkg/daemon/ceph`
as `<dmn>daemon "github.com/rook/rook/pkg/daemon/ceph/<dmn>`. This will
make it easier to understand code lines without needing to scroll up to
check the includes, as there are mon/mds/mgr/osd/rgw packages for
daemons as well as operator and cmd.

Signed-off-by: Blaine Gardner <blaine.gardner@suse.com>
2018-09-06 09:40:00 -06:00

95 lines
2.5 KiB
Go

/*
Copyright 2016 The Rook Authors. All rights reserved.
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 ceph
import (
"strings"
"github.com/rook/rook/cmd/rook/rook"
mdsdaemon "github.com/rook/rook/pkg/daemon/ceph/mds"
mondaemon "github.com/rook/rook/pkg/daemon/ceph/mon"
"github.com/rook/rook/pkg/operator/ceph/file"
"github.com/rook/rook/pkg/util/flags"
"github.com/spf13/cobra"
)
var (
podName string
filesystemID string
activeStandby bool
)
var mdsCmd = &cobra.Command{
Use: "mds",
Short: "Generates mds config and runs the mds daemon",
Hidden: true,
}
func init() {
mdsCmd.Flags().StringVar(&podName, "pod-name", "", "name of the pod from which the mds ID is derived")
mdsCmd.Flags().StringVar(&filesystemID, "filesystem-id", "", "ID of the filesystem this MDS will serve")
mdsCmd.Flags().BoolVar(&activeStandby, "active-standby", true, "Whether to start in active standby mode")
addCephFlags(mdsCmd)
flags.SetFlagsFromEnv(mdsCmd.Flags(), rook.RookEnvVarPrefix)
mdsCmd.RunE = startMDS
}
func startMDS(cmd *cobra.Command, args []string) error {
required := []string{"mon-endpoints", "cluster-name", "admin-secret", "filesystem-id", "pod-name"}
if err := flags.VerifyRequiredFlags(mdsCmd, required); err != nil {
return err
}
if err := verifyRenamedFlags(mdsCmd); err != nil {
return err
}
rook.SetLogLevel()
rook.LogStartupInfo(mdsCmd.Flags())
id := extractMdsID(podName)
clusterInfo.Monitors = mondaemon.ParseMonEndpoints(cfg.monEndpoints)
config := &mdsdaemon.Config{
FilesystemID: filesystemID,
ID: id,
ActiveStandby: activeStandby,
ClusterInfo: &clusterInfo,
}
err := mdsdaemon.Run(createContext(), config)
if err != nil {
rook.TerminateFatal(err)
}
return nil
}
func extractMdsID(mdsName string) string {
prefix := file.AppName + "-"
if strings.Index(mdsName, prefix) == 0 && len(mdsName) > len(prefix) {
// remove the prefix from the mds name
return mdsName[len(prefix):]
}
// return the original name if we did not find the prefix
return mdsName
}