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126 lines
3.4 KiB
Go
126 lines
3.4 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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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/colorjson"
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"github.com/minio/mc/pkg/probe"
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"github.com/minio/pkg/console"
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)
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var adminConfigExportCmd = cli.Command{
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Name: "export",
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Usage: "export all config keys to STDOUT",
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Before: setGlobalsFromContext,
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Action: mainAdminConfigExport,
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OnUsageError: onUsageError,
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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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The output includes environment variables set on the server. These cannot be overridden from the client.
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1. Export the current config from MinIO server
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{{.Prompt}} {{.HelpName}} play/ > config.txt
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`,
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}
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// configExportMessage container to hold locks information.
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type configExportMessage struct {
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Status string `json:"status"`
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Value []byte `json:"value"`
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}
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// String colorized service status message.
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func (u configExportMessage) String() string {
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console.SetColor("EnvVar", color.New(color.FgYellow))
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bio := bufio.NewReader(bytes.NewReader(u.Value))
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var lines []string
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for {
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s, err := bio.ReadString('\n')
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// Make lines displaying environment variables bold.
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if strings.HasPrefix(s, "# MINIO_") {
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s = strings.TrimPrefix(s, "# ")
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parts := strings.SplitN(s, "=", 2)
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s = fmt.Sprintf("# %s=%s", console.Colorize("EnvVar", parts[0]), parts[1])
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lines = append(lines, s)
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} else {
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lines = append(lines, s)
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}
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if err == io.EOF {
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break
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}
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fatalIf(probe.NewError(err), "Unable to marshal to string.")
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}
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return strings.Join(lines, "")
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}
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// JSON jsonified service status Message message.
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func (u configExportMessage) 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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// checkAdminConfigExportSyntax - validate all the passed arguments
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func checkAdminConfigExportSyntax(ctx *cli.Context) {
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if !ctx.Args().Present() || len(ctx.Args()) > 1 {
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showCommandHelpAndExit(ctx, 1) // last argument is exit code
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}
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}
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func mainAdminConfigExport(ctx *cli.Context) error {
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checkAdminConfigExportSyntax(ctx)
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// Export 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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// Call get config API
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buf, e := client.GetConfig(globalContext)
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fatalIf(probe.NewError(e), "Unable to get server config")
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// Print
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printMsg(configExportMessage{
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Value: buf,
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})
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return nil
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}
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