mirror of
https://github.com/minio/mc.git
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140 lines
3.8 KiB
Go
140 lines
3.8 KiB
Go
/*
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* MinIO Client (C) 2017-2019 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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"strings"
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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/probe"
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"github.com/minio/minio/pkg/console"
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"github.com/minio/minio/pkg/madmin"
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)
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var adminConfigSetCmd = cli.Command{
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Name: "set",
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Usage: "interactively set a config key parameters",
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Before: setGlobalsFromContext,
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Action: mainAdminConfigSet,
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OnUsageError: onUsageError,
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Flags: append(adminConfigEnvFlags, 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. Enable webhook notification target for MinIO server.
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{{.Prompt}} {{.HelpName}} myminio/ notify_webhook endpoint="http://localhost:8080/minio/events"
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2. Change region name for the MinIO server to 'us-west-1'.
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{{.Prompt}} {{.HelpName}} myminio/ region name=us-west-1
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3. Change healing settings on a distributed MinIO server setup.
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{{.Prompt}} {{.HelpName}} mydist/ heal max_delay=300ms max_io=50
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`,
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}
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// configSetMessage container to hold locks information.
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type configSetMessage struct {
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Status string `json:"status"`
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targetAlias string
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restart bool
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}
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// String colorized service status message.
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func (u configSetMessage) String() (msg string) {
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msg += console.Colorize("SetConfigSuccess",
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"Successfully applied new settings.")
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if u.restart {
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suggestion := fmt.Sprintf("\nmc admin service restart %s", u.targetAlias)
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msg += console.Colorize("SetConfigSuccess",
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fmt.Sprintf("Please restart your server with `%s`.\n", suggestion))
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}
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return
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}
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// JSON jsonified service status message.
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func (u configSetMessage) JSON() string {
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u.Status = "success"
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statusJSONBytes, e := json.MarshalIndent(u, "", " ")
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fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
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return string(statusJSONBytes)
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}
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// checkAdminConfigSetSyntax - validate all the passed arguments
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func checkAdminConfigSetSyntax(ctx *cli.Context) {
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if !ctx.Args().Present() && len(ctx.Args()) < 1 {
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cli.ShowCommandHelpAndExit(ctx, "set", 1) // last argument is exit code
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}
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}
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// main config set function
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func mainAdminConfigSet(ctx *cli.Context) error {
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// Check command arguments
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checkAdminConfigSetSyntax(ctx)
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// Set color preference of command outputs
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console.SetColor("SetConfigSuccess", 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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// Create a new MinIO Admin Client
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client, err := newAdminClient(aliasedURL)
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fatalIf(err, "Unable to initialize admin connection.")
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input := strings.Join(args.Tail(), " ")
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if !strings.Contains(input, madmin.KvSeparator) {
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// Call get config API
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hr, e := client.HelpConfigKV(globalContext, args.Get(1), args.Get(2), ctx.IsSet("env"))
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fatalIf(probe.NewError(e), "Unable to get help for the sub-system")
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// Print
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printMsg(configHelpMessage{
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Value: hr,
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envOnly: ctx.IsSet("env"),
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})
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return nil
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}
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// Call set config API
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restart, e := client.SetConfigKV(globalContext, input)
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fatalIf(probe.NewError(e), "Unable to set '%s' to server", input)
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// Print set config result
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printMsg(configSetMessage{
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targetAlias: aliasedURL,
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restart: restart,
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})
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return nil
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}
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