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unlock.go
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unlock.go
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// Copyright 2015 CoreOS, Inc.
//
// 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 main
import (
"fmt"
"os"
"github.com/flatcar/locksmith/lock"
"github.com/flatcar/locksmith/pkg/machineid"
)
var (
cmdUnlock = &Command{
Name: "unlock",
Summary: "Unlock this machine or a given machine-id for reboot.",
Usage: "<machine-id>",
Description: `Unlock is for manual unlocking of the reboot unlock for this machine or a
given machine-id. Under normal operation this should not be necessary.`,
Run: runUnlock,
}
)
func runUnlock(args []string) (exit int) {
elc, err := getClient()
if err != nil {
fmt.Fprintln(os.Stderr, "Error initializing etcd client:", err)
return 1
}
var mID string
if len(args) == 0 {
mID = machineid.MachineID("/")
if mID == "" {
fmt.Fprintln(os.Stderr, "Cannot read machine-id")
return 1
}
} else {
mID = args[0]
}
l := lock.New(mID, elc)
err = l.Unlock()
if err != nil {
fmt.Fprintln(os.Stderr, "Error unlocking:", err)
return 1
}
return 0
}