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authorDaniel J Walsh <dwalsh@redhat.com>2019-02-14 13:21:52 -0500
committerDaniel J Walsh <dwalsh@redhat.com>2019-02-14 13:21:52 -0500
commit52df1fa7e054d577e8416d1d46db1741ad324d4a (patch)
tree2d1212425257a8d332f4400d0896aa2e465176b0 /pkg/spec/createconfig.go
parentdd82acd8ba02be51ec5fea65584e1f7b2036d7c8 (diff)
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Fix volume handling in podman
iFix builtin volumes to work with podman volume Currently builtin volumes are not recored in podman volumes when they are created automatically. This patch fixes this. Remove container volumes when requested Currently the --volume option on podman remove does nothing. This will implement the changes needed to remove the volumes if the user requests it. When removing a volume make sure that no container uses the volume. Signed-off-by: Daniel J Walsh dwalsh@redhat.com Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'pkg/spec/createconfig.go')
-rw-r--r--pkg/spec/createconfig.go44
1 files changed, 34 insertions, 10 deletions
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index 8edab831f..8da44a2f0 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -11,7 +11,9 @@ import (
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/namespaces"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/containers/storage"
+ "github.com/containers/storage/pkg/stringid"
"github.com/cri-o/ocicni/pkg/ocicni"
"github.com/docker/go-connections/nat"
spec "github.com/opencontainers/runtime-spec/specs-go"
@@ -133,8 +135,8 @@ type CreateConfig struct {
SeccompProfilePath string //SecurityOpts
SecurityOpts []string
Rootfs string
- LocalVolumes []string //Keeps track of the built-in volumes of container used in the --volumes-from flag
- Syslog bool // Whether to enable syslog on exit commands
+ LocalVolumes []spec.Mount //Keeps track of the built-in volumes of container used in the --volumes-from flag
+ Syslog bool // Whether to enable syslog on exit commands
}
func u32Ptr(i int64) *uint32 { u := uint32(i); return &u }
@@ -215,7 +217,7 @@ func (c *CreateConfig) initFSMounts() []spec.Mount {
//GetVolumeMounts takes user provided input for bind mounts and creates Mount structs
func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, error) {
- var m []spec.Mount
+ m := c.LocalVolumes
for _, i := range c.Volumes {
var options []string
spliti := strings.Split(i, ":")
@@ -233,22 +235,31 @@ func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, e
logrus.Debugf("User mount %s:%s options %v", spliti[0], spliti[1], options)
}
- // volumes from image config
- if c.ImageVolumeType != "tmpfs" {
+ if c.ImageVolumeType == "ignore" {
return m, nil
}
+
for vol := range c.BuiltinImgVolumes {
if libpod.MountExists(specMounts, vol) {
continue
}
+
mount := spec.Mount{
Destination: vol,
- Type: string(TypeTmpfs),
- Source: string(TypeTmpfs),
- Options: []string{"rprivate", "rw", "noexec", "nosuid", "nodev", "tmpcopyup"},
+ Type: c.ImageVolumeType,
+ Options: []string{"rprivate", "rw", "nodev"},
+ }
+ if c.ImageVolumeType == "tmpfs" {
+ mount.Source = "tmpfs"
+ mount.Options = append(mount.Options, "tmpcopyup")
+ } else {
+ // This will cause a new local Volume to be created on your system
+ mount.Source = stringid.GenerateNonCryptoID()
+ mount.Options = append(mount.Options, "bind")
}
m = append(m, mount)
}
+
return m, nil
}
@@ -256,6 +267,11 @@ func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, e
// and adds it to c.Volumes of the current container.
func (c *CreateConfig) GetVolumesFrom() error {
var options string
+
+ if rootless.SkipStorageSetup() {
+ return nil
+ }
+
for _, vol := range c.VolumesFrom {
splitVol := strings.SplitN(vol, ":", 2)
if len(splitVol) == 2 {
@@ -265,6 +281,10 @@ func (c *CreateConfig) GetVolumesFrom() error {
if err != nil {
return errors.Wrapf(err, "error looking up container %q", splitVol[0])
}
+ inspect, err := ctr.Inspect(false)
+ if err != nil {
+ return errors.Wrapf(err, "error inspecting %q", splitVol[0])
+ }
var createArtifact CreateConfig
artifact, err := ctr.GetArtifact("create-config")
if err != nil {
@@ -273,9 +293,13 @@ func (c *CreateConfig) GetVolumesFrom() error {
if err := json.Unmarshal(artifact, &createArtifact); err != nil {
return err
}
-
for key := range createArtifact.BuiltinImgVolumes {
- c.LocalVolumes = append(c.LocalVolumes, key)
+ for _, m := range inspect.Mounts {
+ if m.Destination == key {
+ c.LocalVolumes = append(c.LocalVolumes, m)
+ break
+ }
+ }
}
for _, i := range createArtifact.Volumes {