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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| // Copyright 2016 The etcd Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| package command | ||
|
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| import ( | ||
| "errors" | ||
| "github.com/spf13/cobra" | ||
| pb "go.etcd.io/etcd/api/v3/etcdserverpb" | ||
| "go.etcd.io/etcd/pkg/v3/cobrautl" | ||
| ) | ||
|
|
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| // NewDowngradeCommand returns the cobra command for "downgrade". | ||
| func NewDowngradeCommand() *cobra.Command { | ||
| dc := &cobra.Command{ | ||
| Use: "downgrade <TARGET_VERSION>", | ||
| Short: "Downgrade related commands", | ||
| } | ||
|
|
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| dc.AddCommand(NewDowngradeValidateCommand()) | ||
| dc.AddCommand(NewDowngradeEnableCommand()) | ||
| dc.AddCommand(NewDowngradeCancelCommand()) | ||
|
|
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| return dc | ||
| } | ||
|
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| // NewDowngradeValidateCommand returns the cobra command for "downgrade validate". | ||
| func NewDowngradeValidateCommand() *cobra.Command { | ||
| cc := &cobra.Command{ | ||
| Use: "validate <TARGET_VERSION>", | ||
| Short: "Validate downgrade capability before starting downgrade", | ||
|
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| Run: downgradeValidateCommandFunc, | ||
| } | ||
| return cc | ||
| } | ||
|
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| // NewDowngradeEnableCommand returns the cobra command for "downgrade enable". | ||
| func NewDowngradeEnableCommand() *cobra.Command { | ||
| cc := &cobra.Command{ | ||
| Use: "enable <TARGET_VERSION>", | ||
| Short: "Start a downgrade action to cluster", | ||
|
|
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| Run: downgradeEnableCommandFunc, | ||
| } | ||
| return cc | ||
| } | ||
|
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| // NewDowngradeCancelCommand returns the cobra command for "downgrade cancel". | ||
| func NewDowngradeCancelCommand() *cobra.Command { | ||
| cc := &cobra.Command{ | ||
| Use: "cancel", | ||
| Short: "Cancel the ongoing downgrade action to cluster", | ||
|
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| Run: downgradeCancelCommandFunc, | ||
| } | ||
| return cc | ||
| } | ||
|
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| // downgradeValidateCommandFunc executes the "downgrade validate" command. | ||
| func downgradeValidateCommandFunc(cmd *cobra.Command, args []string) { | ||
| if len(args) < 1 { | ||
| cobrautl.ExitWithError(cobrautl.ExitBadArgs, errors.New("TARGET_VERSION not provided")) | ||
| } | ||
| if len(args) > 1 { | ||
| cobrautl.ExitWithError(cobrautl.ExitBadArgs, errors.New("too many arguments")) | ||
| } | ||
| targetVersion := args[0] | ||
|
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| if len(targetVersion) == 0 { | ||
| cobrautl.ExitWithError(cobrautl.ExitBadArgs, errors.New("member peer urls not provided")) | ||
| } | ||
|
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| ctx, cancel := commandCtx(cmd) | ||
| cli := mustClientFromCmd(cmd) | ||
|
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| resp, err := cli.Downgrade(ctx, int32(pb.DowngradeRequest_VALIDATE), targetVersion) | ||
| cancel() | ||
| if err != nil { | ||
| cobrautl.ExitWithError(cobrautl.ExitError, err) | ||
| } | ||
|
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| display.DowngradeValidate(*resp) | ||
| } | ||
|
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| // downgradeEnableCommandFunc executes the "downgrade enable" command. | ||
| func downgradeEnableCommandFunc(cmd *cobra.Command, args []string) { | ||
| if len(args) < 1 { | ||
| cobrautl.ExitWithError(cobrautl.ExitBadArgs, errors.New("TARGET_VERSION not provided")) | ||
| } | ||
| if len(args) > 1 { | ||
| cobrautl.ExitWithError(cobrautl.ExitBadArgs, errors.New("too many arguments")) | ||
| } | ||
| targetVersion := args[0] | ||
|
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| if len(targetVersion) == 0 { | ||
| cobrautl.ExitWithError(cobrautl.ExitBadArgs, errors.New("member peer urls not provided")) | ||
| } | ||
|
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| ctx, cancel := commandCtx(cmd) | ||
| cli := mustClientFromCmd(cmd) | ||
|
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| resp, err := cli.Downgrade(ctx, int32(pb.DowngradeRequest_ENABLE), targetVersion) | ||
| cancel() | ||
| if err != nil { | ||
| cobrautl.ExitWithError(cobrautl.ExitError, err) | ||
| } | ||
|
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| display.DowngradeEnable(*resp) | ||
| } | ||
|
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| // downgradeCancelCommandFunc executes the "downgrade cancel" command. | ||
| func downgradeCancelCommandFunc(cmd *cobra.Command, args []string) { | ||
| ctx, cancel := commandCtx(cmd) | ||
| cli := mustClientFromCmd(cmd) | ||
|
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| resp, err := cli.Downgrade(ctx, int32(pb.DowngradeRequest_ENABLE), "") | ||
| cancel() | ||
| if err != nil { | ||
| cobrautl.ExitWithError(cobrautl.ExitError, err) | ||
| } | ||
|
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| display.DowngradeCancel(*resp) | ||
| } |
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