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authorDaniel J Walsh <dwalsh@redhat.com>2017-12-15 16:58:36 -0500
committerAtomic Bot <atomic-devel@projectatomic.io>2017-12-18 16:46:05 +0000
commit5770dc2640c216525ab84031e3712fcc46b3b087 (patch)
tree8a1c5c4e4a6ce6a35a3767247623a62bfd698f77 /cmd/podman/mount.go
parentde3468e120d489d046c08dad72ba2262e222ccb1 (diff)
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Rename all references to kpod to podman
The decision is in, kpod is going to be named podman. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #145 Approved by: umohnani8
Diffstat (limited to 'cmd/podman/mount.go')
-rw-r--r--cmd/podman/mount.go125
1 files changed, 125 insertions, 0 deletions
diff --git a/cmd/podman/mount.go b/cmd/podman/mount.go
new file mode 100644
index 000000000..9db27fcda
--- /dev/null
+++ b/cmd/podman/mount.go
@@ -0,0 +1,125 @@
+package main
+
+import (
+ js "encoding/json"
+ "fmt"
+
+ "github.com/pkg/errors"
+ of "github.com/projectatomic/libpod/cmd/podman/formats"
+ "github.com/urfave/cli"
+)
+
+var (
+ mountDescription = `
+ podman mount
+ Lists all mounted containers mount points
+
+ podman mount CONTAINER-NAME-OR-ID
+ Mounts the specified container and outputs the mountpoint
+`
+
+ mountFlags = []cli.Flag{
+ cli.BoolFlag{
+ Name: "notruncate",
+ Usage: "do not truncate output",
+ },
+ cli.StringFlag{
+ Name: "label",
+ Usage: "SELinux label for the mount point",
+ },
+ cli.StringFlag{
+ Name: "format",
+ Usage: "Change the output format to Go template",
+ },
+ }
+ mountCommand = cli.Command{
+ Name: "mount",
+ Usage: "Mount a working container's root filesystem",
+ Description: mountDescription,
+ Action: mountCmd,
+ ArgsUsage: "[CONTAINER-NAME-OR-ID]",
+ Flags: mountFlags,
+ }
+)
+
+// jsonMountPoint stores info about each container
+type jsonMountPoint struct {
+ ID string `json:"id"`
+ Names []string `json:"names"`
+ MountPoint string `json:"mountpoint"`
+}
+
+func mountCmd(c *cli.Context) error {
+ if err := validateFlags(c, mountFlags); err != nil {
+ return err
+ }
+
+ runtime, err := getRuntime(c)
+ if err != nil {
+ return errors.Wrapf(err, "could not get runtime")
+ }
+ defer runtime.Shutdown(false)
+
+ formats := map[string]bool{
+ "": true,
+ of.JSONString: true,
+ }
+
+ args := c.Args()
+ json := c.String("format") == of.JSONString
+ if !formats[c.String("format")] {
+ return errors.Errorf("%q is not a supported format", c.String("format"))
+ }
+
+ if len(args) > 1 {
+ return errors.Errorf("too many arguments specified")
+ }
+
+ if len(args) == 1 {
+ if json {
+ return errors.Wrapf(err, "json option can not be used with a container id")
+ }
+ ctr, err := runtime.LookupContainer(args[0])
+ if err != nil {
+ return errors.Wrapf(err, "error looking up container %q", args[0])
+ }
+ mountPoint, err := ctr.Mount(c.String("label"))
+ if err != nil {
+ return errors.Wrapf(err, "error mounting container %q", ctr.ID())
+ }
+ fmt.Printf("%s\n", mountPoint)
+ } else {
+ jsonMountPoints := []jsonMountPoint{}
+ containers, err2 := runtime.GetContainers()
+ if err2 != nil {
+ return errors.Wrapf(err2, "error reading list of all containers")
+ }
+ for _, container := range containers {
+ mountPoint, err := container.MountPoint()
+ if err != nil {
+ return errors.Wrapf(err, "error getting mountpoint for %q", container.ID())
+ }
+ if mountPoint == "" {
+ continue
+ }
+ if json {
+ jsonMountPoints = append(jsonMountPoints, jsonMountPoint{ID: container.ID(), Names: []string{container.Name()}, MountPoint: mountPoint})
+ continue
+ }
+
+ if c.Bool("notruncate") {
+ fmt.Printf("%-64s %s\n", container.ID(), mountPoint)
+ } else {
+ fmt.Printf("%-12.12s %s\n", container.ID(), mountPoint)
+ }
+ }
+ if json {
+ data, err := js.MarshalIndent(jsonMountPoints, "", " ")
+ if err != nil {
+ return err
+ }
+ fmt.Printf("%s\n", data)
+ }
+ }
+ return nil
+}