Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
| ... | ... |
@@ -15,8 +15,6 @@ import ( |
| 15 | 15 |
"github.com/docker/docker/api/types/events" |
| 16 | 16 |
mounttypes "github.com/docker/docker/api/types/mount" |
| 17 | 17 |
swarmtypes "github.com/docker/docker/api/types/swarm" |
| 18 |
- "github.com/docker/docker/pkg/stringid" |
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| 19 |
- "github.com/docker/docker/volume" |
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| 20 | 18 |
volumemounts "github.com/docker/docker/volume/mounts" |
| 21 | 19 |
"github.com/moby/sys/mount" |
| 22 | 20 |
"github.com/opencontainers/selinux/go-selinux/label" |
| ... | ... |
@@ -129,34 +127,11 @@ func (container *Container) NetworkMounts() []Mount {
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| 129 | 129 |
} |
| 130 | 130 |
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| 131 | 131 |
// CopyImagePathContent copies files in destination to the volume. |
| 132 |
-func (container *Container) CopyImagePathContent(v volume.Volume, destination string) error {
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| 133 |
- rootfs, err := container.GetResourcePath(destination) |
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| 134 |
- if err != nil {
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| 135 |
- return err |
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| 136 |
- } |
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| 137 |
- |
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| 138 |
- if _, err := os.Stat(rootfs); err != nil {
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| 139 |
- if os.IsNotExist(err) {
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| 140 |
- return nil |
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| 141 |
- } |
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| 142 |
- return err |
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| 143 |
- } |
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| 144 |
- |
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| 145 |
- id := stringid.GenerateRandomID() |
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| 146 |
- path, err := v.Mount(id) |
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| 147 |
- if err != nil {
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| 148 |
- return err |
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| 149 |
- } |
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| 150 |
- |
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| 151 |
- defer func() {
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| 152 |
- if err := v.Unmount(id); err != nil {
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| 153 |
- log.G(context.TODO()).Warnf("error while unmounting volume %s: %v", v.Name(), err)
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| 154 |
- } |
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| 155 |
- }() |
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| 156 |
- if err := label.Relabel(path, container.MountLabel, true); err != nil && !errors.Is(err, syscall.ENOTSUP) {
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| 132 |
+func (container *Container) CopyImagePathContent(volumePath, destination string) error {
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| 133 |
+ if err := label.Relabel(volumePath, container.MountLabel, true); err != nil && !errors.Is(err, syscall.ENOTSUP) {
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| 157 | 134 |
return err |
| 158 | 135 |
} |
| 159 |
- return copyExistingContents(rootfs, path) |
|
| 136 |
+ return copyExistingContents(destination, volumePath) |
|
| 160 | 137 |
} |
| 161 | 138 |
|
| 162 | 139 |
// ShmResourcePath returns path to shm |
| ... | ... |
@@ -12,9 +12,12 @@ import ( |
| 12 | 12 |
containertypes "github.com/docker/docker/api/types/container" |
| 13 | 13 |
mounttypes "github.com/docker/docker/api/types/mount" |
| 14 | 14 |
"github.com/docker/docker/container" |
| 15 |
+ "github.com/docker/docker/errdefs" |
|
| 15 | 16 |
"github.com/docker/docker/oci" |
| 17 |
+ volumemounts "github.com/docker/docker/volume/mounts" |
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| 16 | 18 |
volumeopts "github.com/docker/docker/volume/service/opts" |
| 17 | 19 |
"github.com/opencontainers/selinux/go-selinux/label" |
| 20 |
+ "github.com/pkg/errors" |
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| 18 | 21 |
) |
| 19 | 22 |
|
| 20 | 23 |
// createContainerOSSpecificSettings performs host-OS specific container create functionality |
| ... | ... |
@@ -85,10 +88,41 @@ func (daemon *Daemon) populateVolumes(c *container.Container) error {
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| 85 | 85 |
continue |
| 86 | 86 |
} |
| 87 | 87 |
|
| 88 |
- log.G(context.TODO()).Debugf("copying image data from %s:%s, to %s", c.ID, mnt.Destination, mnt.Name)
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|
| 89 |
- if err := c.CopyImagePathContent(mnt.Volume, mnt.Destination); err != nil {
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|
| 88 |
+ if err := daemon.populateVolume(c, mnt); err != nil {
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| 90 | 89 |
return err |
| 91 | 90 |
} |
| 92 | 91 |
} |
| 93 | 92 |
return nil |
| 94 | 93 |
} |
| 94 |
+ |
|
| 95 |
+func (daemon *Daemon) populateVolume(c *container.Container, mnt *volumemounts.MountPoint) error {
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|
| 96 |
+ ctrDestPath, err := c.GetResourcePath(mnt.Destination) |
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| 97 |
+ if err != nil {
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| 98 |
+ return err |
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| 99 |
+ } |
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| 100 |
+ |
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| 101 |
+ if _, err := os.Stat(ctrDestPath); err != nil {
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| 102 |
+ if os.IsNotExist(err) {
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| 103 |
+ return nil |
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| 104 |
+ } |
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| 105 |
+ return err |
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| 106 |
+ } |
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| 107 |
+ |
|
| 108 |
+ volumePath, cleanup, err := mnt.Setup(c.MountLabel, daemon.idMapping.RootPair(), nil) |
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| 109 |
+ if err != nil {
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| 110 |
+ if errdefs.IsNotFound(err) {
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| 111 |
+ return nil |
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| 112 |
+ } |
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| 113 |
+ log.G(context.TODO()).WithError(err).Debugf("can't copy data from %s:%s, to %s", c.ID, mnt.Destination, volumePath)
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|
| 114 |
+ return errors.Wrapf(err, "failed to populate volume") |
|
| 115 |
+ } |
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| 116 |
+ defer mnt.Cleanup() |
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| 117 |
+ defer cleanup() |
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| 118 |
+ |
|
| 119 |
+ log.G(context.TODO()).Debugf("copying image data from %s:%s, to %s", c.ID, mnt.Destination, volumePath)
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|
| 120 |
+ if err := c.CopyImagePathContent(volumePath, ctrDestPath); err != nil {
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| 121 |
+ return err |
|
| 122 |
+ } |
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| 123 |
+ |
|
| 124 |
+ return nil |
|
| 125 |
+} |