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minio/cmd/control-service-main.go

97 lines
2.6 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* 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 cmd
import (
"net/url"
"path"
"github.com/minio/cli"
"github.com/minio/mc/pkg/console"
)
var serviceCmd = cli.Command{
Name: "service",
Usage: "Service command line to manage Minio server.",
Action: serviceControl,
Flags: globalFlags,
CustomHelpTemplate: `NAME:
minio control {{.Name}} - {{.Usage}}
USAGE:
minio control {{.Name}} [status|restart|stop] URL
FLAGS:
{{range .Flags}}{{.}}
{{end}}
EXAMPLES:
1. Prints current status information of the cluster.
$ minio control service status http://10.1.10.92:9000/
2. Restarts the url and all the servers in the cluster.
$ minio control service restart http://localhost:9000/
3. Shuts down the url and all the servers in the cluster.
$ minio control service stop http://localhost:9000/
`,
}
// "minio control service" entry point.
func serviceControl(c *cli.Context) {
if !c.Args().Present() && len(c.Args()) != 2 {
cli.ShowCommandHelpAndExit(c, "service", 1)
}
var signal serviceSignal
switch c.Args().Get(0) {
case "status":
signal = serviceStatus
case "restart":
signal = serviceRestart
case "stop":
signal = serviceStop
default:
fatalIf(errInvalidArgument, "Unrecognized service %s", c.Args().Get(0))
}
parsedURL, err := url.Parse(c.Args().Get(1))
fatalIf(err, "Unable to parse URL %s", c.Args().Get(1))
authCfg := &authConfig{
accessKey: serverConfig.GetCredential().AccessKeyID,
secretKey: serverConfig.GetCredential().SecretAccessKey,
secureConn: parsedURL.Scheme == "https",
address: parsedURL.Host,
path: path.Join(reservedBucket, controlPath),
loginMethod: "Control.LoginHandler",
}
client := newAuthClient(authCfg)
args := &ServiceArgs{
Signal: signal,
}
// This is necessary so that the remotes,
// don't end up sending requests back and forth.
args.Remote = true
reply := &ServiceReply{}
err = client.Call("Control.ServiceHandler", args, reply)
fatalIf(err, "Service command %s failed for %s", c.Args().Get(0), parsedURL.Host)
if signal == serviceStatus {
console.Println(getStorageInfoMsg(reply.StorageInfo))
}
}