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defrag_command.go
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/
defrag_command.go
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// 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.
package command
import (
"fmt"
"os"
"github.com/spf13/cobra"
)
// NewDefragCommand returns the cobra command for "Defrag".
func NewDefragCommand() *cobra.Command {
return &cobra.Command{
Use: "defrag",
Short: "Defragments the storage of the etcd members with given endpoints",
Run: defragCommandFunc,
}
}
func defragCommandFunc(cmd *cobra.Command, args []string) {
failures := 0
c := mustClientFromCmd(cmd)
for _, ep := range c.Endpoints() {
ctx, cancel := commandCtx(cmd)
_, err := c.Defragment(ctx, ep)
cancel()
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to defragment etcd member[%s] (%v)\n", ep, err)
failures++
} else {
fmt.Printf("Finished defragmenting etcd member[%s]\n", ep)
}
}
if failures != 0 {
os.Exit(ExitError)
}
}