This repository has been archived by the owner on Feb 24, 2020. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 886
/
app_rm.go
105 lines (87 loc) · 2.36 KB
/
app_rm.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
// Copyright 2016 The rkt 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 main
import (
"fmt"
pkgPod "github.com/coreos/rkt/pkg/pod"
"github.com/coreos/rkt/stage0"
"github.com/appc/spec/schema/types"
"github.com/spf13/cobra"
)
var (
cmdAppRm = &cobra.Command{
Use: "rm UUID --app=NAME",
Short: "Remove an app from a pod",
Long: "This removes an appplication from a mutable pod, stopping it beforehand if still running.",
Run: runWrapper(runAppRm),
}
)
func init() {
cmdAppRm.Flags().StringVar(&flagAppName, "app", "", "app to remove")
cmdApp.AddCommand(cmdAppRm)
}
func runAppRm(cmd *cobra.Command, args []string) (exit int) {
if len(args) < 1 {
stderr.Print("must provide the pod UUID")
return 254
}
if flagAppName == "" {
stderr.Print("must provide the app to remove")
return 254
}
p, err := pkgPod.PodFromUUIDString(getDataDir(), args[0])
if err != nil {
stderr.PrintE("problem retrieving pod", err)
return 254
}
defer p.Close()
appName, err := types.NewACName(flagAppName)
if err != nil {
stderr.PrintE("invalid app name", err)
}
if p.State() != pkgPod.Running {
stderr.Printf("pod %q is not running", p.UUID)
return 254
}
if !p.IsSupervisorReady() {
stderr.Printf("supervisor for pod %q is not ready yet", p.UUID)
return 254
}
podPID, err := p.ContainerPid1()
if err != nil {
stderr.PrintE(fmt.Sprintf("unable to determine the pid for pod %q", p.UUID), err)
return 254
}
ccfg := stage0.CommonConfig{
DataDir: getDataDir(),
UUID: p.UUID,
Debug: globalFlags.Debug,
}
cfg := stage0.RmConfig{
CommonConfig: &ccfg,
UsesOverlay: p.UsesOverlay(),
AppName: appName,
PodPath: p.Path(),
PodPID: podPID,
}
if globalFlags.Debug {
stage0.InitDebug()
}
err = stage0.RmApp(cfg)
if err != nil {
stderr.PrintE("error removing app", err)
return 254
}
return 0
}