mirror of
https://github.com/minio/mc.git
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118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
/*
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* MinIO Client (C) 2018-2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"github.com/fatih/color"
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"github.com/minio/cli"
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json "github.com/minio/mc/pkg/colorjson"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/mc/pkg/probe"
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)
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var adminServerUpdateCmd = cli.Command{
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Name: "update",
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Usage: "update all MinIO servers",
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Action: mainAdminServerUpdate,
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Before: setGlobalsFromContext,
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Flags: globalFlags,
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CustomHelpTemplate: `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} TARGET
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}
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EXAMPLES:
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1. Update MinIO server represented by its alias 'play'.
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$ {{.HelpName}} play/
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2. Update all MinIO servers in a distributed setup, represented by its alias 'mydist'.
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$ {{.HelpName}} mydist/
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`,
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}
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// serverUpdateMessage is container for ServerUpdate success and failure messages.
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type serverUpdateMessage struct {
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Status string `json:"status"`
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ServerURL string `json:"serverURL"`
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CurrentVersion string `json:"currentVersion"`
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UpdatedVersion string `json:"updatedVersion"`
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}
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// String colorized serverUpdate message.
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func (s serverUpdateMessage) String() string {
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if s.CurrentVersion != s.UpdatedVersion {
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return console.Colorize("ServerUpdate",
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fmt.Sprintf("Server `%s` updated successfully from %s to %s",
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s.ServerURL, s.CurrentVersion, s.UpdatedVersion))
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}
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return console.Colorize("ServerUpdate",
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fmt.Sprintf("Server `%s` already running the most recent version %s of MinIO",
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s.ServerURL, s.CurrentVersion))
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}
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// JSON jsonified server update message.
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func (s serverUpdateMessage) JSON() string {
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serverUpdateJSONBytes, e := json.MarshalIndent(s, "", " ")
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fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
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return string(serverUpdateJSONBytes)
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}
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// checkAdminServerUpdateSyntax - validate all the passed arguments
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func checkAdminServerUpdateSyntax(ctx *cli.Context) {
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if len(ctx.Args()) == 0 || len(ctx.Args()) > 2 {
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cli.ShowCommandHelpAndExit(ctx, "update", 1) // last argument is exit code
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}
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}
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func mainAdminServerUpdate(ctx *cli.Context) error {
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// Validate serivce update syntax.
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checkAdminServerUpdateSyntax(ctx)
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// Set color.
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console.SetColor("ServerUpdate", color.New(color.FgGreen, color.Bold))
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// Get the alias parameter from cli
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args := ctx.Args()
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aliasedURL := args.Get(0)
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client, err := newAdminClient(aliasedURL)
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fatalIf(err, "Unable to initialize admin connection.")
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updateURL := args.Get(1)
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// Update the specified MinIO server, optionally also
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// with the provided update URL.
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us, e := client.ServerUpdate(updateURL)
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fatalIf(probe.NewError(e), "Unable to update the server.")
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// Success..
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printMsg(serverUpdateMessage{
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Status: "success",
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ServerURL: aliasedURL,
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CurrentVersion: us.CurrentVersion,
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UpdatedVersion: us.UpdatedVersion,
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})
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return nil
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}
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