This repository has been archived by the owner on Feb 24, 2020.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 887
/
app_add.go
145 lines (121 loc) · 3.44 KB
/
app_add.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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
// 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"
"github.com/coreos/rkt/common"
pkgPod "github.com/coreos/rkt/pkg/pod"
"github.com/coreos/rkt/rkt/image"
"github.com/coreos/rkt/stage0"
"github.com/coreos/rkt/store/imagestore"
"github.com/coreos/rkt/store/treestore"
"github.com/spf13/cobra"
)
var (
cmdAppAdd = &cobra.Command{
Use: "add UUID IMAGEID ...",
Short: "Add an app to a pod",
Long: "This adds an application available in the local image store to a running mutable pod.",
Run: runWrapper(runAppAdd),
}
)
func init() {
cmdApp.AddCommand(cmdAppAdd)
addAppFlags(cmdAppAdd)
addIsolatorFlags(cmdAppAdd, false)
// Add per-app volume mounts only for sandbox for now
cmdAppAdd.Flags().Var((*appMountVolume)(&rktApps), "mnt-volume", "Configure a per-app mount and volume directly")
// Disable interspersed flags to stop parsing after the first non flag
// argument. All the subsequent parsing will be done by parseApps.
// This is needed to correctly handle image args
cmdAppAdd.Flags().SetInterspersed(false)
}
func runAppAdd(cmd *cobra.Command, args []string) (exit int) {
if len(args) < 2 {
stderr.Print("must provide the pod UUID and an IMAGEID")
return 1
}
err := parseApps(&rktApps, args[1:], cmd.Flags(), true)
if err != nil {
stderr.PrintE("error parsing app image arguments", err)
return 1
}
if rktApps.Count() > 1 {
stderr.Print("must give only one app")
return 1
}
p, err := pkgPod.PodFromUUIDString(getDataDir(), args[0])
if err != nil {
stderr.PrintE("problem retrieving pod", err)
return 1
}
defer p.Close()
if p.State() != pkgPod.Running {
stderr.Printf("pod %q isn't currently running", p.UUID)
return 1
}
s, err := imagestore.NewStore(storeDir())
if err != nil {
stderr.PrintE("cannot open store", err)
return 1
}
ts, err := treestore.NewStore(treeStoreDir(), s)
if err != nil {
stderr.PrintE("cannot open treestore", err)
return 1
}
fn := &image.Finder{
S: s,
Ts: ts,
Ks: getKeystore(),
StoreOnly: true,
NoStore: false,
}
img, err := fn.FindImage(args[1], "")
if err != nil {
stderr.PrintE("error finding images", err)
return 1
}
podPID, err := p.ContainerPid1()
if err != nil {
stderr.PrintE(fmt.Sprintf("unable to determine the pid for pod %q", p.UUID), err)
return 1
}
ccfg := stage0.CommonConfig{
Store: s,
TreeStore: ts,
UUID: p.UUID,
Debug: globalFlags.Debug,
}
rktgid, err := common.LookupGid(common.RktGroup)
if err != nil {
stderr.Printf("group %q not found, will use default gid when rendering images", common.RktGroup)
rktgid = -1
}
cfg := stage0.AddConfig{
CommonConfig: &ccfg,
Image: *img,
Apps: &rktApps,
RktGid: rktgid,
UsesOverlay: p.UsesOverlay(),
PodPath: p.Path(),
PodPID: podPID,
}
err = stage0.AddApp(cfg)
if err != nil {
stderr.PrintE("error adding app to pod", err)
return 1
}
return 0
}