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126 lines
3.4 KiB
Go
126 lines
3.4 KiB
Go
// Copyright (c) 2022 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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"context"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"time"
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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 adminClusterIAMExportCmd = cli.Command{
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Name: "export",
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Usage: "exports IAM info to zipped file",
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Action: mainClusterIAMExport,
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OnUsageError: onUsageError,
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Before: setGlobalsFromContext,
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Flags: globalFlags,
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HideHelpCommand: true,
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CustomHelpTemplate: `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} [FLAGS] 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. Download all IAM metadata for cluster into zip file.
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{{.Prompt}} {{.HelpName}} myminio
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`,
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}
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func checkIAMExportSyntax(ctx *cli.Context) {
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if 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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// mainClusterIAMExport - metadata export command
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func mainClusterIAMExport(ctx *cli.Context) error {
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// Check for command syntax
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checkIAMExportSyntax(ctx)
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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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console.SetColor("File", color.New(color.FgWhite, color.Bold))
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// Create a new MinIO Admin Client
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client, err := newAdminClient(aliasedURL)
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if err != nil {
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fatalIf(err.Trace(aliasedURL), "Unable to initialize admin client.")
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return nil
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}
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r, e := client.ExportIAM(context.Background())
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fatalIf(probe.NewError(e).Trace(aliasedURL), "Unable to export IAM info.")
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// Create iam info zip file
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tmpFile, e := ioutil.TempFile("", fmt.Sprintf("%s-iam-info", aliasedURL))
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fatalIf(probe.NewError(e), "Unable to download file data.")
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ext := "zip"
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// Copy zip content to target download file
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_, e = io.Copy(tmpFile, r)
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fatalIf(probe.NewError(e), "Unable to download IAM info.")
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// Close everything
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r.Close()
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tmpFile.Close()
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downloadPath := fmt.Sprintf("%s-iam-info.%s", aliasedURL, ext)
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fi, e := os.Stat(downloadPath)
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if e == nil && !fi.IsDir() {
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e = moveFile(downloadPath, downloadPath+"."+time.Now().Format(dateTimeFormatFilename))
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fatalIf(probe.NewError(e), "Unable to create a backup of "+downloadPath)
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} else {
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if !os.IsNotExist(e) {
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fatal(probe.NewError(e), "Unable to download file data")
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}
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}
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fatalIf(probe.NewError(moveFile(tmpFile.Name(), downloadPath)), "Unable to rename downloaded data, file exists at %s", tmpFile.Name())
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if !globalJSON {
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console.Infof("IAM info successfully downloaded as %s\n", downloadPath)
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return nil
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}
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v := struct {
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File string `json:"file"`
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Key string `json:"key,omitempty"`
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}{
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File: downloadPath,
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}
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b, e := json.Marshal(v)
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fatalIf(probe.NewError(e), "Unable to serialize data")
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console.Println(string(b))
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return nil
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}
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