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authorbaude <bbaude@redhat.com>2019-02-11 12:47:47 -0600
committerbaude <bbaude@redhat.com>2019-02-13 12:43:51 -0600
commit4f60f79a27012220afdbcf8f2f4bb4622ca8c176 (patch)
tree5a0a43a03a17ad51678695a9d65270725b0b7893
parent8a16f83b0a13ab9de1cc905a3ff1132c75739995 (diff)
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podman-remote volume inspect|ls
add the ability to list and inspect volumes using the remote client and varlink Signed-off-by: baude <bbaude@redhat.com>
-rwxr-xr-xAPI.md38
-rw-r--r--cmd/podman/commands_remoteclient.go2
-rw-r--r--cmd/podman/varlink/io.podman.varlink17
-rw-r--r--cmd/podman/volume_inspect.go22
-rw-r--r--cmd/podman/volume_ls.go42
-rw-r--r--libpod/adapter/runtime.go54
-rw-r--r--libpod/adapter/runtime_remote.go54
-rw-r--r--libpod/adapter/volumes_remote.go33
-rw-r--r--pkg/varlinkapi/volumes.go36
9 files changed, 260 insertions, 38 deletions
diff --git a/API.md b/API.md
index 048cc51b9..54f7d0101 100755
--- a/API.md
+++ b/API.md
@@ -53,6 +53,8 @@ in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in
[func GetVersion() string, string, string, string, string, int](#GetVersion)
+[func GetVolumes(args: []string, all: bool) Volume](#GetVolumes)
+
[func HistoryImage(name: string) ImageHistory](#HistoryImage)
[func ImageExists(name: string) int](#ImageExists)
@@ -175,6 +177,8 @@ in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in
[type MoreResponse](#MoreResponse)
+[type NotImplemented](#NotImplemented)
+
[type PodContainerErrorData](#PodContainerErrorData)
[type PodCreate](#PodCreate)
@@ -185,6 +189,10 @@ in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in
[type Sockets](#Sockets)
+[type StringResponse](#StringResponse)
+
+[type Volume](#Volume)
+
[type VolumeCreateOpts](#VolumeCreateOpts)
[type VolumeRemoveOpts](#VolumeRemoveOpts)
@@ -516,6 +524,11 @@ $ varlink call unix:/run/podman/io.podman/io.podman.GetPodStats '{"name": "7f62b
method GetVersion() [string](https://godoc.org/builtin#string), [string](https://godoc.org/builtin#string), [string](https://godoc.org/builtin#string), [string](https://godoc.org/builtin#string), [string](https://godoc.org/builtin#string), [int](https://godoc.org/builtin#int)</div>
GetVersion returns version and build information of the podman service
+### <a name="GetVolumes"></a>func GetVolumes
+<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
+
+method GetVolumes(args: [[]string](#[]string), all: [bool](https://godoc.org/builtin#bool)) [Volume](#Volume)</div>
+
### <a name="HistoryImage"></a>func HistoryImage
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
@@ -1480,6 +1493,11 @@ MoreResponse is a struct for when responses from varlink requires longer output
logs [[]string](#[]string)
id [string](https://godoc.org/builtin#string)
+### <a name="NotImplemented"></a>type NotImplemented
+
+
+
+comment [string](https://godoc.org/builtin#string)
### <a name="PodContainerErrorData"></a>type PodContainerErrorData
@@ -1557,6 +1575,26 @@ container_id [string](https://godoc.org/builtin#string)
io_socket [string](https://godoc.org/builtin#string)
control_socket [string](https://godoc.org/builtin#string)
+### <a name="StringResponse"></a>type StringResponse
+
+
+
+message [string](https://godoc.org/builtin#string)
+### <a name="Volume"></a>type Volume
+
+
+
+name [string](https://godoc.org/builtin#string)
+
+labels [map[string]](#map[string])
+
+mountPoint [string](https://godoc.org/builtin#string)
+
+driver [string](https://godoc.org/builtin#string)
+
+options [map[string]](#map[string])
+
+scope [string](https://godoc.org/builtin#string)
### <a name="VolumeCreateOpts"></a>type VolumeCreateOpts
diff --git a/cmd/podman/commands_remoteclient.go b/cmd/podman/commands_remoteclient.go
index a656d5a29..7bdba1c19 100644
--- a/cmd/podman/commands_remoteclient.go
+++ b/cmd/podman/commands_remoteclient.go
@@ -36,6 +36,8 @@ func getVolumeSubCommands() []*cobra.Command {
return []*cobra.Command{
_volumeCreateCommand,
_volumeRmCommand,
+ _volumeLsCommand,
+ _volumeInspectCommand,
}
}
diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink
index c3900ca18..03ea06dfc 100644
--- a/cmd/podman/varlink/io.podman.varlink
+++ b/cmd/podman/varlink/io.podman.varlink
@@ -2,6 +2,22 @@
# in the [API.md](https://github.com/containers/libpod/blob/master/API.md) file in the upstream libpod repository.
interface io.podman
+type Volume (
+ name: string,
+ labels: [string]string,
+ mountPoint: string,
+ driver: string,
+ options: [string]string,
+ scope: string
+)
+
+type NotImplemented (
+ comment: string
+)
+
+type StringResponse (
+ message: string
+)
# ContainerChanges describes the return struct for ListContainerChanges
type ContainerChanges (
@@ -1044,6 +1060,7 @@ method VolumeCreate(options: VolumeCreateOpts) -> (volumeName: string)
method VolumeRemove(options: VolumeRemoveOpts) -> (volumeNames: []string)
+method GetVolumes(args: []string, all: bool) -> (volumes: []Volume)
# ImageNotFound means the image could not be found by the provided name or ID in local storage.
error ImageNotFound (id: string)
diff --git a/cmd/podman/volume_inspect.go b/cmd/podman/volume_inspect.go
index a8e6f489f..928ef37d0 100644
--- a/cmd/podman/volume_inspect.go
+++ b/cmd/podman/volume_inspect.go
@@ -2,9 +2,8 @@ package main
import (
"github.com/containers/libpod/cmd/podman/cliconfig"
- "github.com/containers/libpod/cmd/podman/libpodruntime"
+ "github.com/containers/libpod/libpod/adapter"
"github.com/pkg/errors"
- "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
@@ -39,22 +38,19 @@ func init() {
}
func volumeInspectCmd(c *cliconfig.VolumeInspectValues) error {
- var err error
+ if (c.All && len(c.InputArgs) > 0) || (!c.All && len(c.InputArgs) < 1) {
+ return errors.New("provide one or more volume names or use --all")
+ }
- runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
+ runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.Shutdown(false)
- opts := volumeLsOptions{
- Format: c.Format,
- }
-
- vols, lastError := getVolumesFromContext(&c.PodmanCommand, runtime)
- if lastError != nil {
- logrus.Errorf("%q", lastError)
+ vols, err := runtime.InspectVolumes(getContext(), c)
+ if err != nil {
+ return err
}
-
- return generateVolLsOutput(vols, opts, runtime)
+ return generateVolLsOutput(vols, volumeLsOptions{Format: c.Format})
}
diff --git a/cmd/podman/volume_ls.go b/cmd/podman/volume_ls.go
index 87b14a4b2..0edadc5ac 100644
--- a/cmd/podman/volume_ls.go
+++ b/cmd/podman/volume_ls.go
@@ -6,8 +6,7 @@ import (
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/formats"
- "github.com/containers/libpod/cmd/podman/libpodruntime"
- "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/libpod/adapter"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -71,7 +70,7 @@ func init() {
}
func volumeLsCmd(c *cliconfig.VolumeLsValues) error {
- runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
+ runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
@@ -87,7 +86,7 @@ func volumeLsCmd(c *cliconfig.VolumeLsValues) error {
opts.Format = genVolLsFormat(c)
// Get the filter functions based on any filters set
- var filterFuncs []libpod.VolumeFilter
+ var filterFuncs []adapter.VolumeFilter
if c.Filter != "" {
filters := strings.Split(c.Filter, ",")
for _, f := range filters {
@@ -95,7 +94,7 @@ func volumeLsCmd(c *cliconfig.VolumeLsValues) error {
if len(filterSplit) < 2 {
return errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
}
- generatedFunc, err := generateVolumeFilterFuncs(filterSplit[0], filterSplit[1], runtime)
+ generatedFunc, err := generateVolumeFilterFuncs(filterSplit[0], filterSplit[1])
if err != nil {
return errors.Wrapf(err, "invalid filter")
}
@@ -103,13 +102,12 @@ func volumeLsCmd(c *cliconfig.VolumeLsValues) error {
}
}
- volumes, err := runtime.GetAllVolumes()
+ volumes, err := runtime.Volumes(getContext())
if err != nil {
return err
}
-
// Get the volumes that match the filter
- volsFiltered := make([]*libpod.Volume, 0, len(volumes))
+ volsFiltered := make([]*adapter.Volume, 0, len(volumes))
for _, vol := range volumes {
include := true
for _, filter := range filterFuncs {
@@ -120,7 +118,7 @@ func volumeLsCmd(c *cliconfig.VolumeLsValues) error {
volsFiltered = append(volsFiltered, vol)
}
}
- return generateVolLsOutput(volsFiltered, opts, runtime)
+ return generateVolLsOutput(volsFiltered, opts)
}
// generate the template based on conditions given
@@ -206,7 +204,7 @@ func getVolTemplateOutput(lsParams []volumeLsJSONParams, opts volumeLsOptions) (
}
// getVolJSONParams returns the volumes in JSON format
-func getVolJSONParams(volumes []*libpod.Volume, opts volumeLsOptions, runtime *libpod.Runtime) ([]volumeLsJSONParams, error) {
+func getVolJSONParams(volumes []*adapter.Volume) []volumeLsJSONParams {
var lsOutput []volumeLsJSONParams
for _, volume := range volumes {
@@ -221,25 +219,19 @@ func getVolJSONParams(volumes []*libpod.Volume, opts volumeLsOptions, runtime *l
lsOutput = append(lsOutput, params)
}
- return lsOutput, nil
+ return lsOutput
}
// generateVolLsOutput generates the output based on the format, JSON or Go Template, and prints it out
-func generateVolLsOutput(volumes []*libpod.Volume, opts volumeLsOptions, runtime *libpod.Runtime) error {
+func generateVolLsOutput(volumes []*adapter.Volume, opts volumeLsOptions) error {
if len(volumes) == 0 && opts.Format != formats.JSONString {
return nil
}
- lsOutput, err := getVolJSONParams(volumes, opts, runtime)
- if err != nil {
- return err
- }
+ lsOutput := getVolJSONParams(volumes)
var out formats.Writer
switch opts.Format {
case formats.JSONString:
- if err != nil {
- return errors.Wrapf(err, "unable to create JSON for volume output")
- }
out = formats.JSONStructArray{Output: volLsToGeneric([]volumeLsTemplateParams{}, lsOutput)}
default:
lsOutput, err := getVolTemplateOutput(lsOutput, opts)
@@ -252,18 +244,18 @@ func generateVolLsOutput(volumes []*libpod.Volume, opts volumeLsOptions, runtime
}
// generateVolumeFilterFuncs returns the true if the volume matches the filter set, otherwise it returns false.
-func generateVolumeFilterFuncs(filter, filterValue string, runtime *libpod.Runtime) (func(volume *libpod.Volume) bool, error) {
+func generateVolumeFilterFuncs(filter, filterValue string) (func(volume *adapter.Volume) bool, error) {
switch filter {
case "name":
- return func(v *libpod.Volume) bool {
+ return func(v *adapter.Volume) bool {
return strings.Contains(v.Name(), filterValue)
}, nil
case "driver":
- return func(v *libpod.Volume) bool {
+ return func(v *adapter.Volume) bool {
return v.Driver() == filterValue
}, nil
case "scope":
- return func(v *libpod.Volume) bool {
+ return func(v *adapter.Volume) bool {
return v.Scope() == filterValue
}, nil
case "label":
@@ -274,7 +266,7 @@ func generateVolumeFilterFuncs(filter, filterValue string, runtime *libpod.Runti
} else {
filterValue = ""
}
- return func(v *libpod.Volume) bool {
+ return func(v *adapter.Volume) bool {
for labelKey, labelValue := range v.Labels() {
if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) {
return true
@@ -290,7 +282,7 @@ func generateVolumeFilterFuncs(filter, filterValue string, runtime *libpod.Runti
} else {
filterValue = ""
}
- return func(v *libpod.Volume) bool {
+ return func(v *adapter.Volume) bool {
for labelKey, labelValue := range v.Options() {
if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) {
return true
diff --git a/libpod/adapter/runtime.go b/libpod/adapter/runtime.go
index acaecf4b5..7dd845616 100644
--- a/libpod/adapter/runtime.go
+++ b/libpod/adapter/runtime.go
@@ -35,6 +35,14 @@ type Container struct {
*libpod.Container
}
+// Volume ...
+type Volume struct {
+ *libpod.Volume
+}
+
+// VolumeFilter is for filtering volumes on the client
+type VolumeFilter func(*Volume) bool
+
// GetRuntime returns a LocalRuntime struct with the actual runtime embedded in it
func GetRuntime(c *cliconfig.PodmanCommand) (*LocalRuntime, error) {
runtime, err := libpodruntime.GetRuntime(c)
@@ -200,3 +208,49 @@ func (r *LocalRuntime) Push(ctx context.Context, srcName, destination, manifestM
}
return newImage.PushImageToHeuristicDestination(ctx, destination, manifestMIMEType, authfile, signaturePolicyPath, writer, forceCompress, signingOptions, dockerRegistryOptions, nil)
}
+
+// InspectVolumes returns a slice of volumes based on an arg list or --all
+func (r *LocalRuntime) InspectVolumes(ctx context.Context, c *cliconfig.VolumeInspectValues) ([]*Volume, error) {
+ var (
+ volumes []*libpod.Volume
+ err error
+ )
+
+ if c.All {
+ volumes, err = r.GetAllVolumes()
+ } else {
+ for _, v := range c.InputArgs {
+ vol, err := r.GetVolume(v)
+ if err != nil {
+ return nil, err
+ }
+ volumes = append(volumes, vol)
+ }
+ }
+ if err != nil {
+ return nil, err
+ }
+ return libpodVolumeToVolume(volumes), nil
+}
+
+// Volumes returns a slice of localruntime volumes
+func (r *LocalRuntime) Volumes(ctx context.Context) ([]*Volume, error) {
+ vols, err := r.GetAllVolumes()
+ if err != nil {
+ return nil, err
+ }
+ return libpodVolumeToVolume(vols), nil
+}
+
+// libpodVolumeToVolume converts a slice of libpod volumes to a slice
+// of localruntime volumes (same as libpod)
+func libpodVolumeToVolume(volumes []*libpod.Volume) []*Volume {
+ var vols []*Volume
+ for _, v := range volumes {
+ newVol := Volume{
+ v,
+ }
+ vols = append(vols, &newVol)
+ }
+ return vols
+}
diff --git a/libpod/adapter/runtime_remote.go b/libpod/adapter/runtime_remote.go
index ab9b4501d..d0d827582 100644
--- a/libpod/adapter/runtime_remote.go
+++ b/libpod/adapter/runtime_remote.go
@@ -92,6 +92,18 @@ type remoteContainer struct {
state *libpod.ContainerState
}
+type VolumeFilter func(*Volume) bool
+
+// Volume is embed for libpod volumes
+type Volume struct {
+ remoteVolume
+}
+
+type remoteVolume struct {
+ Runtime *LocalRuntime
+ config *libpod.VolumeConfig
+}
+
// GetImages returns a slice of containerimages over a varlink connection
func (r *LocalRuntime) GetImages() ([]*ContainerImage, error) {
var newImages []*ContainerImage
@@ -480,3 +492,45 @@ func (r *LocalRuntime) Push(ctx context.Context, srcName, destination, manifestM
return err
}
+
+// InspectVolumes returns a slice of volumes based on an arg list or --all
+func (r *LocalRuntime) InspectVolumes(ctx context.Context, c *cliconfig.VolumeInspectValues) ([]*Volume, error) {
+ reply, err := iopodman.GetVolumes().Call(r.Conn, c.InputArgs, c.All)
+ if err != nil {
+ return nil, err
+ }
+ return varlinkVolumeToVolume(r, reply), nil
+}
+
+//Volumes returns a slice of adapter.volumes based on information about libpod
+// volumes over a varlink connection
+func (r *LocalRuntime) Volumes(ctx context.Context) ([]*Volume, error) {
+ reply, err := iopodman.GetVolumes().Call(r.Conn, []string{}, true)
+ if err != nil {
+ return nil, err
+ }
+ return varlinkVolumeToVolume(r, reply), nil
+}
+
+func varlinkVolumeToVolume(r *LocalRuntime, volumes []iopodman.Volume) []*Volume {
+ var vols []*Volume
+ for _, v := range volumes {
+ volumeConfig := libpod.VolumeConfig{
+ Name: v.Name,
+ Labels: v.Labels,
+ MountPoint: v.MountPoint,
+ Driver: v.Driver,
+ Options: v.Options,
+ Scope: v.Scope,
+ }
+ n := remoteVolume{
+ Runtime: r,
+ config: &volumeConfig,
+ }
+ newVol := Volume{
+ n,
+ }
+ vols = append(vols, &newVol)
+ }
+ return vols
+}
diff --git a/libpod/adapter/volumes_remote.go b/libpod/adapter/volumes_remote.go
new file mode 100644
index 000000000..beacd943a
--- /dev/null
+++ b/libpod/adapter/volumes_remote.go
@@ -0,0 +1,33 @@
+// +build remoteclient
+
+package adapter
+
+// Name returns the name of the volume
+func (v *Volume) Name() string {
+ return v.config.Name
+}
+
+//Labels returns the labels for a volume
+func (v *Volume) Labels() map[string]string {
+ return v.config.Labels
+}
+
+// Driver returns the driver for the volume
+func (v *Volume) Driver() string {
+ return v.config.Driver
+}
+
+// Options returns the options a volume was created with
+func (v *Volume) Options() map[string]string {
+ return v.config.Options
+}
+
+// MountPath returns the path the volume is mounted to
+func (v *Volume) MountPoint() string {
+ return v.config.MountPoint
+}
+
+// Scope returns the scope for an adapter.volume
+func (v *Volume) Scope() string {
+ return v.config.Scope
+}
diff --git a/pkg/varlinkapi/volumes.go b/pkg/varlinkapi/volumes.go
index ced394e90..d41b07065 100644
--- a/pkg/varlinkapi/volumes.go
+++ b/pkg/varlinkapi/volumes.go
@@ -36,3 +36,39 @@ func (i *LibpodAPI) VolumeRemove(call iopodman.VarlinkCall, options iopodman.Vol
}
return call.ReplyVolumeRemove(deletedVolumes)
}
+
+// GetVolumes returns all the volumes known to the remote system
+func (i *LibpodAPI) GetVolumes(call iopodman.VarlinkCall, args []string, all bool) error {
+ var (
+ err error
+ reply []*libpod.Volume
+ volumes []iopodman.Volume
+ )
+ if all {
+ reply, err = i.Runtime.GetAllVolumes()
+ } else {
+ for _, v := range args {
+ vol, err := i.Runtime.GetVolume(v)
+ if err != nil {
+ return err
+ }
+ reply = append(reply, vol)
+ }
+ }
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ // Build the iopodman.volume struct for the return
+ for _, v := range reply {
+ newVol := iopodman.Volume{
+ Driver: v.Driver(),
+ Labels: v.Labels(),
+ MountPoint: v.MountPoint(),
+ Name: v.Name(),
+ Options: v.Options(),
+ Scope: v.Scope(),
+ }
+ volumes = append(volumes, newVol)
+ }
+ return call.ReplyGetVolumes(volumes)
+}