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-rw-r--r--cmd/podman/common/create.go5
-rw-r--r--cmd/podman/common/default.go3
-rw-r--r--cmd/podman/containers/create.go19
-rw-r--r--cmd/podman/containers/run.go12
-rw-r--r--pkg/specgenutil/createparse.go17
-rw-r--r--pkg/specgenutil/specgen.go22
-rw-r--r--test/system/160-volumes.bats39
7 files changed, 73 insertions, 44 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index d28becc8a..886c10cb5 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -255,9 +255,8 @@ func DefineCreateFlags(cmd *cobra.Command, cf *entities.ContainerCreateOptions,
_ = cmd.RegisterFlagCompletionFunc(hostUserFlagName, completion.AutocompleteNone)
imageVolumeFlagName := "image-volume"
- createFlags.StringVar(
- &cf.ImageVolume,
- imageVolumeFlagName, DefaultImageVolume,
+ createFlags.String(
+ imageVolumeFlagName, containerConfig.Engine.ImageVolumeMode,
`Tells podman how to handle the builtin image volumes ("bind"|"tmpfs"|"ignore")`,
)
_ = cmd.RegisterFlagCompletionFunc(imageVolumeFlagName, AutocompleteImageVolume)
diff --git a/cmd/podman/common/default.go b/cmd/podman/common/default.go
index 7caec50ff..6f78d3d29 100644
--- a/cmd/podman/common/default.go
+++ b/cmd/podman/common/default.go
@@ -5,9 +5,6 @@ import (
)
var (
-
- // DefaultImageVolume default value
- DefaultImageVolume = "bind"
// Pull in configured json library
json = registry.JSONLibrary()
)
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index c62ddd6eb..0a513c606 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -102,16 +102,25 @@ func init() {
createFlags(containerCreateCommand)
}
-func create(cmd *cobra.Command, args []string) error {
- var (
- err error
- )
+func commonFlags(cmd *cobra.Command) error {
+ var err error
flags := cmd.Flags()
cliVals.Net, err = common.NetFlagsToNetOptions(nil, *flags)
if err != nil {
return err
}
+ if cmd.Flags().Changed("image-volume") {
+ cliVals.ImageVolume = cmd.Flag("image-volume").Value.String()
+ }
+ return nil
+}
+
+func create(cmd *cobra.Command, args []string) error {
+ if err := commonFlags(cmd); err != nil {
+ return err
+ }
+
// Check if initctr is used with --pod and the value is correct
if initctr := InitContainerType; cmd.Flags().Changed("init-ctr") {
if !cmd.Flags().Changed("pod") {
@@ -123,7 +132,7 @@ func create(cmd *cobra.Command, args []string) error {
cliVals.InitContainerType = initctr
}
- cliVals, err = CreateInit(cmd, cliVals, false)
+ cliVals, err := CreateInit(cmd, cliVals, false)
if err != nil {
return err
}
diff --git a/cmd/podman/containers/run.go b/cmd/podman/containers/run.go
index 951981293..a6c500afa 100644
--- a/cmd/podman/containers/run.go
+++ b/cmd/podman/containers/run.go
@@ -109,7 +109,9 @@ func init() {
}
func run(cmd *cobra.Command, args []string) error {
- var err error
+ if err := commonFlags(cmd); err != nil {
+ return err
+ }
// TODO: Breaking change should be made fatal in next major Release
if cliVals.TTY && cliVals.Interactive && !term.IsTerminal(int(os.Stdin.Fd())) {
@@ -122,14 +124,10 @@ func run(cmd *cobra.Command, args []string) error {
}
}
- flags := cmd.Flags()
- cliVals.Net, err = common.NetFlagsToNetOptions(nil, *flags)
- if err != nil {
- return err
- }
runOpts.CIDFile = cliVals.CIDFile
runOpts.Rm = cliVals.Rm
- if cliVals, err = CreateInit(cmd, cliVals, false); err != nil {
+ cliVals, err := CreateInit(cmd, cliVals, false)
+ if err != nil {
return err
}
diff --git a/pkg/specgenutil/createparse.go b/pkg/specgenutil/createparse.go
index fb5f9c351..132f93771 100644
--- a/pkg/specgenutil/createparse.go
+++ b/pkg/specgenutil/createparse.go
@@ -18,20 +18,5 @@ func validate(c *entities.ContainerCreateOptions) error {
return err
}
- var imageVolType = map[string]string{
- "bind": "",
- "tmpfs": "",
- "ignore": "",
- }
- if _, ok := imageVolType[c.ImageVolume]; !ok {
- switch {
- case c.IsInfra:
- c.ImageVolume = "bind"
- case c.IsClone: // the image volume type will be deduced later from the container we are cloning
- return nil
- default:
- return errors.Errorf("invalid image-volume type %q. Pick one of bind, tmpfs, or ignore", c.ImageVolume)
- }
- }
- return nil
+ return config.ValidateImageVolumeMode(c.ImageVolume)
}
diff --git a/pkg/specgenutil/specgen.go b/pkg/specgenutil/specgen.go
index 9cb2f200b..a0100a365 100644
--- a/pkg/specgenutil/specgen.go
+++ b/pkg/specgenutil/specgen.go
@@ -229,9 +229,11 @@ func setNamespaces(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions)
}
func FillOutSpecGen(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions, args []string) error {
- var (
- err error
- )
+ rtc, err := config.Default()
+ if err != nil {
+ return err
+ }
+
// validate flags as needed
if err := validate(c); err != nil {
return err
@@ -479,8 +481,13 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions
if len(s.HostUsers) == 0 || len(c.HostUsers) != 0 {
s.HostUsers = c.HostUsers
}
- if len(s.ImageVolumeMode) == 0 || len(c.ImageVolume) != 0 {
- s.ImageVolumeMode = c.ImageVolume
+ if len(c.ImageVolume) != 0 {
+ if len(s.ImageVolumeMode) == 0 {
+ s.ImageVolumeMode = c.ImageVolume
+ }
+ }
+ if len(s.ImageVolumeMode) == 0 {
+ s.ImageVolumeMode = rtc.Engine.ImageVolumeMode
}
if s.ImageVolumeMode == "bind" {
s.ImageVolumeMode = "anonymous"
@@ -550,11 +557,6 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions
s.CgroupsMode = c.CgroupsMode
}
if s.CgroupsMode == "" {
- rtc, err := config.Default()
- if err != nil {
- return err
- }
-
s.CgroupsMode = rtc.Cgroups()
}
diff --git a/test/system/160-volumes.bats b/test/system/160-volumes.bats
index 5b0460723..797883ec6 100644
--- a/test/system/160-volumes.bats
+++ b/test/system/160-volumes.bats
@@ -411,4 +411,43 @@ NeedsChown | true
fi
}
+@test "podman --image-volume" {
+ tmpdir=$PODMAN_TMPDIR/volume-test
+ mkdir -p $tmpdir
+ containerfile=$tmpdir/Containerfile
+ cat >$containerfile <<EOF
+FROM $IMAGE
+VOLUME /data
+EOF
+ fs=$(stat -f -c %T .)
+ run_podman build -t volume_image $tmpdir
+
+ containersconf=$tmpdir/containers.conf
+ cat >$containersconf <<EOF
+[engine]
+image_volume_mode="tmpfs"
+EOF
+
+ run_podman run --image-volume tmpfs --rm volume_image stat -f -c %T /data
+ is "$output" "tmpfs" "Should be tmpfs"
+
+ run_podman 1 run --image-volume ignore --rm volume_image stat -f -c %T /data
+ is "$output" "stat: can't read file system information for '/data': No such file or directory" "Should fail with /data does not exists"
+
+ CONTAINERS_CONF="$containersconf" run_podman run --rm volume_image stat -f -c %T /data
+ is "$output" "tmpfs" "Should be tmpfs"
+
+ CONTAINERS_CONF="$containersconf" run_podman run --image-volume bind --rm volume_image stat -f -c %T /data
+ assert "$output" != "tmpfs" "Should match hosts $fs"
+
+ CONTAINERS_CONF="$containersconf" run_podman run --image-volume tmpfs --rm volume_image stat -f -c %T /data
+ is "$output" "tmpfs" "Should be tmpfs"
+
+ CONTAINERS_CONF="$containersconf" run_podman 1 run --image-volume ignore --rm volume_image stat -f -c %T /data
+ is "$output" "stat: can't read file system information for '/data': No such file or directory" "Should fail with /data does not exists"
+
+ run_podman rm --all --force -t 0
+ run_podman image rm --force localhost/volume_image
+}
+
# vim: filetype=sh