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mc/cmd/replicate-import.go
2024-05-23 00:59:47 -07:00

120 lines
3.8 KiB
Go

// Copyright (c) 2015-2022 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 (
"context"
"os"
"github.com/fatih/color"
"github.com/minio/cli"
json "github.com/minio/colorjson"
"github.com/minio/mc/pkg/probe"
"github.com/minio/minio-go/v7/pkg/replication"
"github.com/minio/pkg/v3/console"
)
var replicateImportCmd = cli.Command{
Name: "import",
Usage: "import server side replication configuration in JSON format",
Action: mainReplicateImport,
OnUsageError: onUsageError,
Before: setGlobalsFromContext,
Flags: globalFlags,
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} TARGET
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Set replication configuration from '/data/replication/config' on bucket "mybucket" for alias "myminio".
{{.Prompt}} {{.HelpName}} myminio/mybucket < '/data/replication/config'
2. Import replication configuration for bucket "mybucket" on alias "myminio" from STDIN.
{{.Prompt}} {{.HelpName}} myminio/mybucket
`,
}
// checkReplicateImportSyntax - validate all the passed arguments
func checkReplicateImportSyntax(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
showCommandHelpAndExit(ctx, 1) // last argument is exit code
}
}
type replicateImportMessage struct {
Op string `json:"op"`
Status string `json:"status"`
URL string `json:"url"`
ReplicationConfig replication.Config `json:"config"`
}
func (r replicateImportMessage) JSON() string {
r.Status = "success"
jsonMessageBytes, e := json.MarshalIndent(r, "", " ")
fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
return string(jsonMessageBytes)
}
func (r replicateImportMessage) String() string {
return console.Colorize("replicateImportMessage", "Replication configuration successfully set on `"+r.URL+"`.")
}
// readReplicationConfig read from stdin, returns XML.
func readReplicationConfig() (*replication.Config, *probe.Error) {
// User is expected to enter the replication configuration in JSON format
cfg := replication.Config{}
// Consume json from STDIN
dec := json.NewDecoder(os.Stdin)
if e := dec.Decode(&cfg); e != nil {
return &cfg, probe.NewError(e)
}
return &cfg, nil
}
func mainReplicateImport(cliCtx *cli.Context) error {
ctx, cancelReplicateImport := context.WithCancel(globalContext)
defer cancelReplicateImport()
console.SetColor("replicateImportMessage", color.New(color.FgGreen))
checkReplicateImportSyntax(cliCtx)
// Get the alias parameter from cli
args := cliCtx.Args()
aliasedURL := args.Get(0)
// Create a new Client
client, err := newClient(aliasedURL)
fatalIf(err, "Unable to initialize connection.")
rCfg, err := readReplicationConfig()
fatalIf(err.Trace(args...), "Unable to read replication configuration")
fatalIf(client.SetReplication(ctx, rCfg, replication.Options{Op: replication.ImportOption}).Trace(aliasedURL), "Unable to set replication configuration")
printMsg(replicateImportMessage{
Op: cliCtx.Command.Name,
Status: "success",
URL: aliasedURL,
})
return nil
}