diff options
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/podman/common.go | 5 | ||||
-rw-r--r-- | cmd/podman/create.go | 42 | ||||
-rw-r--r-- | cmd/podman/run.go | 3 | ||||
-rw-r--r-- | cmd/podman/spec.go | 24 | ||||
-rw-r--r-- | cmd/podman/spec_test.go | 2 |
5 files changed, 59 insertions, 17 deletions
diff --git a/cmd/podman/common.go b/cmd/podman/common.go index 657535e63..8dee6cb98 100644 --- a/cmd/podman/common.go +++ b/cmd/podman/common.go @@ -197,6 +197,11 @@ var createFlags = []cli.Flag{ Name: "hostname", Usage: "Set container hostname", }, + cli.StringFlag{ + Name: "image-volume, builtin-volume", + Usage: "Tells podman how to handle the builtin image volumes. The options are: 'bind', 'tmpfs', or 'ignore' (default 'bind')", + Value: "bind", + }, cli.BoolFlag{ Name: "interactive, i", Usage: "Keep STDIN open even if not attached", diff --git a/cmd/podman/create.go b/cmd/podman/create.go index 3d811b58b..810a5e3ed 100644 --- a/cmd/podman/create.go +++ b/cmd/podman/create.go @@ -89,6 +89,8 @@ type createConfig struct { Hostname string //hostname Image string ImageID string + BuiltinImgVolumes map[string]struct{} // volumes defined in the image config + ImageVolumeType string // how to handle the image volume, either bind, tmpfs, or ignore Interactive bool //interactive IpcMode container.IpcMode //ipc IP6Address string //ipv6 @@ -180,6 +182,7 @@ func createCmd(c *cli.Context) error { if err != nil { return err } + useImageVolumes := createConfig.ImageVolumeType == "bind" runtimeSpec, err := createConfigToOCISpec(createConfig) if err != nil { @@ -190,7 +193,7 @@ func createCmd(c *cli.Context) error { return errors.Wrapf(err, "unable to parse new container options") } // Gather up the options for NewContainer which consist of With... funcs - options = append(options, libpod.WithRootFSFromImage(createConfig.ImageID, createConfig.Image, true)) + options = append(options, libpod.WithRootFSFromImage(createConfig.ImageID, createConfig.Image, useImageVolumes)) options = append(options, libpod.WithSELinuxLabels(createConfig.ProcessLabel, createConfig.MountLabel)) options = append(options, libpod.WithLabels(createConfig.Labels)) options = append(options, libpod.WithUser(createConfig.User)) @@ -626,19 +629,32 @@ func parseCreateOpts(c *cli.Context, runtime *libpod.Runtime, imageName string, return nil, errors.Errorf("cannot pass additional search domains when also specifying '.'") } + ImageVolumes := data.ContainerConfig.Volumes + + var imageVolType = map[string]string{ + "bind": "", + "tmpfs": "", + "ignore": "", + } + if _, ok := imageVolType[c.String("image-volume")]; !ok { + return nil, errors.Errorf("invalid image-volume type %q. Pick one of bind, tmpfs, or ignore", c.String("image-volume")) + } + config := &createConfig{ - Runtime: runtime, - CapAdd: c.StringSlice("cap-add"), - CapDrop: c.StringSlice("cap-drop"), - CgroupParent: c.String("cgroup-parent"), - Command: command, - Detach: c.Bool("detach"), - Devices: c.StringSlice("device"), - DNSOpt: c.StringSlice("dns-opt"), - DNSSearch: c.StringSlice("dns-search"), - DNSServers: c.StringSlice("dns"), - Entrypoint: entrypoint, - Env: env, + Runtime: runtime, + BuiltinImgVolumes: ImageVolumes, + ImageVolumeType: c.String("image-volume"), + CapAdd: c.StringSlice("cap-add"), + CapDrop: c.StringSlice("cap-drop"), + CgroupParent: c.String("cgroup-parent"), + Command: command, + Detach: c.Bool("detach"), + Devices: c.StringSlice("device"), + DNSOpt: c.StringSlice("dns-opt"), + DNSSearch: c.StringSlice("dns-search"), + DNSServers: c.StringSlice("dns"), + Entrypoint: entrypoint, + Env: env, //ExposedPorts: ports, GroupAdd: groupAdd, Hostname: c.String("hostname"), diff --git a/cmd/podman/run.go b/cmd/podman/run.go index f13e293bc..3d6175cef 100644 --- a/cmd/podman/run.go +++ b/cmd/podman/run.go @@ -54,6 +54,7 @@ func runCmd(c *cli.Context) error { if err != nil { return err } + useImageVolumes := createConfig.ImageVolumeType == "bind" runtimeSpec, err := createConfigToOCISpec(createConfig) if err != nil { @@ -66,7 +67,7 @@ func runCmd(c *cli.Context) error { } // Gather up the options for NewContainer which consist of With... funcs - options = append(options, libpod.WithRootFSFromImage(createConfig.ImageID, createConfig.Image, true)) + options = append(options, libpod.WithRootFSFromImage(createConfig.ImageID, createConfig.Image, useImageVolumes)) options = append(options, libpod.WithSELinuxLabels(createConfig.ProcessLabel, createConfig.MountLabel)) options = append(options, libpod.WithLabels(createConfig.Labels)) options = append(options, libpod.WithUser(createConfig.User)) diff --git a/cmd/podman/spec.go b/cmd/podman/spec.go index e78118b2f..2c2005399 100644 --- a/cmd/podman/spec.go +++ b/cmd/podman/spec.go @@ -351,7 +351,7 @@ func createConfigToOCISpec(config *createConfig) (*spec.Spec, error) { } // BIND MOUNTS - mounts, err := config.GetVolumeMounts() + mounts, err := config.GetVolumeMounts(configSpec.Mounts) if err != nil { return nil, errors.Wrapf(err, "error getting volume mounts") } @@ -500,7 +500,7 @@ func getDefaultAnnotations() map[string]string { } //GetVolumeMounts takes user provided input for bind mounts and creates Mount structs -func (c *createConfig) GetVolumeMounts() ([]spec.Mount, error) { +func (c *createConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, error) { var m []spec.Mount var options []string for _, i := range c.Volumes { @@ -509,6 +509,9 @@ func (c *createConfig) GetVolumeMounts() ([]spec.Mount, error) { if len(spliti) > 2 { options = strings.Split(spliti[2], ",") } + if libpod.MountExists(specMounts, spliti[1]) { + continue + } options = append(options, "rbind") var foundrw, foundro, foundz, foundZ bool var rootProp string @@ -550,6 +553,23 @@ func (c *createConfig) GetVolumeMounts() ([]spec.Mount, error) { Options: options, }) } + + // volumes from image config + if c.ImageVolumeType != "tmpfs" { + 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{"rw", "noexec", "nosuid", "nodev", "tmpcopyup"}, + } + m = append(m, mount) + } return m, nil } diff --git a/cmd/podman/spec_test.go b/cmd/podman/spec_test.go index 768b079aa..1e1064df9 100644 --- a/cmd/podman/spec_test.go +++ b/cmd/podman/spec_test.go @@ -18,7 +18,7 @@ func TestCreateConfig_GetVolumeMounts(t *testing.T) { config := createConfig{ Volumes: []string{"foobar:/foobar:ro"}, } - specMount, err := config.GetVolumeMounts() + specMount, err := config.GetVolumeMounts([]spec.Mount{}) assert.NoError(t, err) assert.True(t, reflect.DeepEqual(data, specMount[0])) } |