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
|
package libpod
import (
"time"
"github.com/containers/libpod/libpod/define"
"github.com/containers/storage"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// StorageContainer represents a container present in c/storage but not in
// libpod.
type StorageContainer struct {
ID string
Names []string
Image string
CreateTime time.Time
PresentInLibpod bool
}
// ListStorageContainers lists all containers visible to c/storage.
func (r *Runtime) ListStorageContainers() ([]*StorageContainer, error) {
r.lock.RLock()
defer r.lock.RUnlock()
finalCtrs := []*StorageContainer{}
ctrs, err := r.store.Containers()
if err != nil {
return nil, err
}
for _, ctr := range ctrs {
storageCtr := new(StorageContainer)
storageCtr.ID = ctr.ID
storageCtr.Names = ctr.Names
storageCtr.Image = ctr.ImageID
storageCtr.CreateTime = ctr.Created
// Look up if container is in state
hasCtr, err := r.state.HasContainer(ctr.ID)
if err != nil {
return nil, errors.Wrapf(err, "error looking up container %s in state", ctr.ID)
}
storageCtr.PresentInLibpod = hasCtr
finalCtrs = append(finalCtrs, storageCtr)
}
return finalCtrs, nil
}
// RemoveStorageContainer removes a container from c/storage.
// The container WILL NOT be removed if it exists in libpod.
// Accepts ID or full name of container.
// If force is set, the container will be unmounted first to ensure removal.
func (r *Runtime) RemoveStorageContainer(idOrName string, force bool) error {
r.lock.Lock()
defer r.lock.Unlock()
return r.removeStorageContainer(idOrName, force)
}
// Internal function to remove the container storage without
// locking the runtime.
func (r *Runtime) removeStorageContainer(idOrName string, force bool) error {
targetID, err := r.store.Lookup(idOrName)
if err != nil {
if errors.Cause(err) == storage.ErrLayerUnknown {
return errors.Wrapf(define.ErrNoSuchCtr, "no container with ID or name %q found", idOrName)
}
return errors.Wrapf(err, "error looking up container %q", idOrName)
}
// Lookup returns an ID but it's not guaranteed to be a container ID.
// So we can still error here.
ctr, err := r.store.Container(targetID)
if err != nil {
if errors.Cause(err) == storage.ErrContainerUnknown {
return errors.Wrapf(define.ErrNoSuchCtr, "%q does not refer to a container", idOrName)
}
return errors.Wrapf(err, "error retrieving container %q", idOrName)
}
// Error out if the container exists in libpod
exists, err := r.state.HasContainer(ctr.ID)
if err != nil {
return err
}
if exists {
return errors.Wrapf(define.ErrCtrExists, "refusing to remove %q as it exists in libpod as container %s", idOrName, ctr.ID)
}
if !force {
timesMounted, err := r.store.Mounted(ctr.ID)
if err != nil {
if errors.Cause(err) == storage.ErrContainerUnknown {
// Container was removed from under us.
// It's gone, so don't bother erroring.
logrus.Warnf("Storage for container %s already removed", ctr.ID)
return nil
}
return errors.Wrapf(err, "error looking up container %q mounts", idOrName)
}
if timesMounted > 0 {
return errors.Wrapf(define.ErrCtrStateInvalid, "container %q is mounted and cannot be removed without using force", idOrName)
}
} else {
if _, err := r.store.Unmount(ctr.ID, true); err != nil {
if errors.Cause(err) == storage.ErrContainerUnknown {
// Container again gone, no error
logrus.Warnf("Storage for container %s already removed", ctr.ID)
return nil
}
return errors.Wrapf(err, "error unmounting container %q", idOrName)
}
}
if err := r.store.DeleteContainer(ctr.ID); err != nil {
if errors.Cause(err) == storage.ErrContainerUnknown {
// Container again gone, no error
logrus.Warnf("Storage for container %s already removed", ctr.ID)
return nil
}
return errors.Wrapf(err, "error removing storage for container %q", idOrName)
}
return nil
}
|
