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mc/cmd/batch-generate.go
2022-11-01 08:04:26 -07:00

97 lines
2.7 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 (
"fmt"
"strings"
"github.com/minio/cli"
"github.com/minio/madmin-go"
"github.com/minio/mc/pkg/probe"
)
var batchGenerateCmd = cli.Command{
Name: "generate",
Usage: "generate a new batch job definition",
Action: mainBatchGenerate,
OnUsageError: onUsageError,
Before: setGlobalsFromContext,
Flags: globalFlags,
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} TARGET JOBTYPE
JOBTYPE:
` + supportedJobTypes() + `
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Generate a new batch 'replication' job definition:
{{.Prompt}} {{.HelpName}} myminio replicate > replication.yaml
`,
}
func supportedJobTypes() string {
var builder strings.Builder
for _, jobType := range madmin.SupportedJobTypes {
builder.WriteString(" - ")
builder.WriteString(string(jobType))
builder.WriteString("\n")
}
return builder.String()
}
// checkBatchGenerateSyntax - validate all the passed arguments
func checkBatchGenerateSyntax(ctx *cli.Context) {
if len(ctx.Args()) != 2 {
showCommandHelpAndExit(ctx, 1) // last argument is exit code
}
}
// mainBatchGenerate is the handle for "mc batch generate" command.
func mainBatchGenerate(ctx *cli.Context) error {
checkBatchGenerateSyntax(ctx)
// Get the alias parameter from cli
args := ctx.Args()
aliasedURL := args.Get(0)
jobType := args.Get(1)
// Start a new MinIO Admin Client
adminClient, err := newAdminClient(aliasedURL)
fatalIf(err, "Unable to initialize admin connection.")
switch jobType {
case string(madmin.BatchJobReplicate):
default:
fatalIf(errInvalidArgument().Trace(jobType), "Unable to generate a job template for the specified job type")
}
out, e := adminClient.GenerateBatchJob(globalContext, madmin.GenerateBatchJobOpts{
Type: madmin.BatchJobType(jobType),
})
fatalIf(probe.NewError(e), "Unable to generate %s", args.Get(1))
fmt.Println(string(out))
return nil
}