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Files
mc/cmd/admin-update.go
2022-11-01 08:04:26 -07:00

120 lines
3.5 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"fmt"
"github.com/fatih/color"
"github.com/minio/cli"
json "github.com/minio/colorjson"
"github.com/minio/mc/pkg/probe"
"github.com/minio/pkg/console"
)
var adminServerUpdateCmd = cli.Command{
Name: "update",
Usage: "update all MinIO servers",
Action: mainAdminServerUpdate,
OnUsageError: onUsageError,
Before: setGlobalsFromContext,
Flags: globalFlags,
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} TARGET
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Update MinIO server represented by its alias 'play'.
{{.Prompt}} {{.HelpName}} play/
2. Update all MinIO servers in a distributed setup, represented by its alias 'mydist'.
{{.Prompt}} {{.HelpName}} mydist/
`,
}
// serverUpdateMessage is container for ServerUpdate success and failure messages.
type serverUpdateMessage struct {
Status string `json:"status"`
ServerURL string `json:"serverURL"`
CurrentVersion string `json:"currentVersion"`
UpdatedVersion string `json:"updatedVersion"`
}
// String colorized serverUpdate message.
func (s serverUpdateMessage) String() string {
if s.CurrentVersion != s.UpdatedVersion {
return console.Colorize("ServerUpdate",
fmt.Sprintf("Server `%s` updated successfully from %s to %s",
s.ServerURL, s.CurrentVersion, s.UpdatedVersion))
}
return console.Colorize("ServerUpdate",
fmt.Sprintf("Server `%s` already running the most recent version %s of MinIO",
s.ServerURL, s.CurrentVersion))
}
// JSON jsonified server update message.
func (s serverUpdateMessage) JSON() string {
serverUpdateJSONBytes, e := json.MarshalIndent(s, "", " ")
fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
return string(serverUpdateJSONBytes)
}
// checkAdminServerUpdateSyntax - validate all the passed arguments
func checkAdminServerUpdateSyntax(ctx *cli.Context) {
if len(ctx.Args()) == 0 || len(ctx.Args()) > 2 {
showCommandHelpAndExit(ctx, 1) // last argument is exit code
}
}
func mainAdminServerUpdate(ctx *cli.Context) error {
// Validate serivce update syntax.
checkAdminServerUpdateSyntax(ctx)
// Set color.
console.SetColor("ServerUpdate", color.New(color.FgGreen, color.Bold))
// Get the alias parameter from cli
args := ctx.Args()
aliasedURL := args.Get(0)
client, err := newAdminClient(aliasedURL)
fatalIf(err, "Unable to initialize admin connection.")
updateURL := args.Get(1)
// Update the specified MinIO server, optionally also
// with the provided update URL.
us, e := client.ServerUpdate(globalContext, updateURL)
fatalIf(probe.NewError(e), "Unable to update the server.")
// Success..
printMsg(serverUpdateMessage{
Status: "success",
ServerURL: aliasedURL,
CurrentVersion: us.CurrentVersion,
UpdatedVersion: us.UpdatedVersion,
})
return nil
}