/
admin-replicate-remove.go
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/
admin-replicate-remove.go
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// 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"
"github.com/fatih/color"
"github.com/minio/cli"
json "github.com/minio/colorjson"
"github.com/minio/madmin-go/v3"
"github.com/minio/mc/pkg/probe"
"github.com/minio/pkg/v2/console"
)
var adminReplicateRemoveFlags = []cli.Flag{
cli.BoolFlag{
Name: "all",
Usage: "remove site replication from all participating sites",
},
cli.BoolFlag{
Name: "force",
Usage: "force removal of site(s) from site replication configuration",
},
}
var adminReplicateRemoveCmd = cli.Command{
Name: "remove",
ShortName: "rm",
Usage: "remove one or more sites from site replication",
Action: mainAdminReplicationRemoveStatus,
OnUsageError: onUsageError,
HiddenAliases: true,
Before: setGlobalsFromContext,
Flags: append(globalFlags, adminReplicateRemoveFlags...),
CustomHelpTemplate: `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} TARGET
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
EXAMPLES:
1. Remove site replication for all sites:
{{.Prompt}} {{.HelpName}} minio2 --all --force
2. Remove site replication for site with site names alpha, baker from active cluster minio2:
{{.Prompt}} {{.HelpName}} minio2 alpha baker --force
`,
}
type srRemoveStatus struct {
madmin.ReplicateRemoveStatus
sites []string
RemoveAll bool
}
func (i srRemoveStatus) JSON() string {
ds, e := json.MarshalIndent(i.ReplicateRemoveStatus, "", " ")
fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
return string(ds)
}
func (i srRemoveStatus) String() string {
if i.RemoveAll {
return console.Colorize("UserMessage", "All site(s) were removed successfully")
}
if i.ReplicateRemoveStatus.Status == madmin.ReplicateRemoveStatusSuccess {
return console.Colorize("UserMessage", fmt.Sprintf("Following site(s) %s were removed successfully", i.sites))
}
if len(i.sites) == 1 {
return console.Colorize("UserMessage", fmt.Sprintf("Following site %s was removed partially, some operations failed:\nERROR: '%s'", i.sites, i.ReplicateRemoveStatus.ErrDetail))
}
return console.Colorize("UserMessage", fmt.Sprintf("Following site(s) %s were removed partially, some operations failed: \nERROR: '%s'", i.sites, i.ReplicateRemoveStatus.ErrDetail))
}
func checkAdminReplicateRemoveSyntax(ctx *cli.Context) {
// Check argument count
argsNr := len(ctx.Args())
if ctx.IsSet("all") && argsNr > 1 {
fatalIf(errInvalidArgument().Trace(ctx.Args().Tail()...),
"")
}
if argsNr < 2 && !ctx.IsSet("all") {
fatalIf(errInvalidArgument().Trace(ctx.Args().Tail()...),
"Need at least two arguments to remove command.")
}
if !ctx.IsSet("force") {
fatalIf(errDummy().Trace(),
"Site removal requires --force flag. This operation is *IRREVERSIBLE*. Please review carefully before performing this *DANGEROUS* operation.")
}
}
func mainAdminReplicationRemoveStatus(ctx *cli.Context) error {
checkAdminReplicateRemoveSyntax(ctx)
console.SetColor("UserMessage", color.New(color.FgGreen))
// Get the alias parameter from cli
args := ctx.Args()
aliasedURL := args.Get(0)
var rreq madmin.SRRemoveReq
rreq.SiteNames = append(rreq.SiteNames, args.Tail()...)
rreq.RemoveAll = ctx.Bool("all")
// Create a new MinIO Admin Client
client, err := newAdminClient(aliasedURL)
fatalIf(err, "Unable to initialize admin connection.")
st, e := client.SiteReplicationRemove(globalContext, rreq)
fatalIf(probe.NewError(e).Trace(args...), "Unable to remove cluster replication")
printMsg(srRemoveStatus{
ReplicateRemoveStatus: st,
sites: args.Tail(),
RemoveAll: rreq.RemoveAll,
})
return nil
}