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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2019-03-11 10:01:25 -0700
committerGitHub <noreply@github.com>2019-03-11 10:01:25 -0700
commit6421208e0f6ff1fba58eafdab12e897b5ed12e3b (patch)
treed2a44ec8b92d343d675027f524738875191027d8 /cmd/podman
parentf5afe88098d8825ea63ccb63875d48edab0eb111 (diff)
parent231129e4dc083d9f63cf1876cc1695f7f8c03f25 (diff)
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Merge pull request #2583 from giuseppe/rootless-fix-pod-rm
rootless: fix stop and rm when the container is running with uid != 0
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/main.go29
-rw-r--r--cmd/podman/pod.go47
-rw-r--r--cmd/podman/pod_rm.go14
-rw-r--r--cmd/podman/pod_stats.go5
-rw-r--r--cmd/podman/pod_stop.go14
-rw-r--r--cmd/podman/rm.go79
6 files changed, 176 insertions, 12 deletions
diff --git a/cmd/podman/main.go b/cmd/podman/main.go
index 3571f526e..bbeb72397 100644
--- a/cmd/podman/main.go
+++ b/cmd/podman/main.go
@@ -65,18 +65,23 @@ var cmdsNotRequiringRootless = map[*cobra.Command]bool{
_exportCommand: true,
//// `info` must be executed in an user namespace.
//// If this change, please also update libpod.refreshRootless()
- _loginCommand: true,
- _logoutCommand: true,
- _mountCommand: true,
- _killCommand: true,
- _pauseCommand: true,
- _restartCommand: true,
- _runCommand: true,
- _unpauseCommand: true,
- _searchCommand: true,
- _statsCommand: true,
- _stopCommand: true,
- _topCommand: true,
+ _loginCommand: true,
+ _logoutCommand: true,
+ _mountCommand: true,
+ _killCommand: true,
+ _pauseCommand: true,
+ _podRmCommand: true,
+ _podKillCommand: true,
+ _podStatsCommand: true,
+ _podStopCommand: true,
+ _restartCommand: true,
+ _rmCommand: true,
+ _runCommand: true,
+ _unpauseCommand: true,
+ _searchCommand: true,
+ _statsCommand: true,
+ _stopCommand: true,
+ _topCommand: true,
}
var rootCmd = &cobra.Command{
diff --git a/cmd/podman/pod.go b/cmd/podman/pod.go
index 2d9bca21d..9a9c7a702 100644
--- a/cmd/podman/pod.go
+++ b/cmd/podman/pod.go
@@ -1,7 +1,12 @@
package main
import (
+ "os"
+
"github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/pkg/adapter"
+ "github.com/containers/libpod/pkg/rootless"
+ "github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -34,6 +39,48 @@ var podSubCommands = []*cobra.Command{
_podUnpauseCommand,
}
+func joinPodNS(runtime *adapter.LocalRuntime, all, latest bool, inputArgs []string) ([]string, bool, bool, error) {
+ if rootless.IsRootless() {
+ if os.Geteuid() == 0 {
+ return []string{rootless.Argument()}, false, false, nil
+ } else {
+ var err error
+ var pods []*adapter.Pod
+ if all {
+ pods, err = runtime.GetAllPods()
+ if err != nil {
+ return nil, false, false, errors.Wrapf(err, "unable to get pods")
+ }
+ } else if latest {
+ pod, err := runtime.GetLatestPod()
+ if err != nil {
+ return nil, false, false, errors.Wrapf(err, "unable to get latest pod")
+ }
+ pods = append(pods, pod)
+ } else {
+ for _, i := range inputArgs {
+ pod, err := runtime.LookupPod(i)
+ if err != nil {
+ return nil, false, false, errors.Wrapf(err, "unable to lookup pod %s", i)
+ }
+ pods = append(pods, pod)
+ }
+ }
+ for _, p := range pods {
+ _, ret, err := runtime.JoinOrCreateRootlessPod(p)
+ if err != nil {
+ return nil, false, false, err
+ }
+ if ret != 0 {
+ os.Exit(ret)
+ }
+ }
+ os.Exit(0)
+ }
+ }
+ return inputArgs, all, latest, nil
+}
+
func init() {
podCommand.AddCommand(podSubCommands...)
podCommand.SetHelpTemplate(HelpTemplate())
diff --git a/cmd/podman/pod_rm.go b/cmd/podman/pod_rm.go
index a40992818..735676f8a 100644
--- a/cmd/podman/pod_rm.go
+++ b/cmd/podman/pod_rm.go
@@ -2,9 +2,11 @@ package main
import (
"fmt"
+ "os"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/adapter"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
@@ -46,11 +48,23 @@ func init() {
// podRmCmd deletes pods
func podRmCmd(c *cliconfig.PodRmValues) error {
+ if os.Geteuid() != 0 {
+ rootless.SetSkipStorageSetup(true)
+ }
runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
+
+ if rootless.IsRootless() {
+ var err error
+ c.InputArgs, c.All, c.Latest, err = joinPodNS(runtime, c.All, c.Latest, c.InputArgs)
+ if err != nil {
+ return err
+ }
+ }
+
podRmIds, podRmErrors := runtime.RemovePods(getContext(), c)
for _, p := range podRmIds {
fmt.Println(p)
diff --git a/cmd/podman/pod_stats.go b/cmd/podman/pod_stats.go
index 7dbd84525..5c30e0595 100644
--- a/cmd/podman/pod_stats.go
+++ b/cmd/podman/pod_stats.go
@@ -53,6 +53,11 @@ func init() {
}
func podStatsCmd(c *cliconfig.PodStatsValues) error {
+
+ if os.Geteuid() != 0 {
+ return errors.New("stats is not supported in rootless mode")
+ }
+
format := c.Format
all := c.All
latest := c.Latest
diff --git a/cmd/podman/pod_stop.go b/cmd/podman/pod_stop.go
index f1b0ac51f..754a3a7db 100644
--- a/cmd/podman/pod_stop.go
+++ b/cmd/podman/pod_stop.go
@@ -2,9 +2,11 @@ package main
import (
"fmt"
+ "os"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/adapter"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
@@ -46,12 +48,24 @@ func init() {
}
func podStopCmd(c *cliconfig.PodStopValues) error {
+ if os.Geteuid() != 0 {
+ rootless.SetSkipStorageSetup(true)
+ }
+
runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
+ if rootless.IsRootless() {
+ var err error
+ c.InputArgs, c.All, c.Latest, err = joinPodNS(runtime, c.All, c.Latest, c.InputArgs)
+ if err != nil {
+ return err
+ }
+ }
+
podStopIds, podStopErrors := runtime.StopPods(getContext(), c)
for _, p := range podStopIds {
fmt.Println(p)
diff --git a/cmd/podman/rm.go b/cmd/podman/rm.go
index 4230bb396..56aaae9eb 100644
--- a/cmd/podman/rm.go
+++ b/cmd/podman/rm.go
@@ -2,12 +2,16 @@ package main
import (
"fmt"
+ "io/ioutil"
+ "os"
+ "strconv"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
@@ -48,11 +52,39 @@ func init() {
markFlagHiddenForRemoteClient("latest", flags)
}
+func joinContainerOrCreateRootlessUserNS(runtime *libpod.Runtime, ctr *libpod.Container) (bool, int, error) {
+ if os.Geteuid() == 0 {
+ return false, 0, nil
+ }
+ s, err := ctr.State()
+ if err != nil {
+ return false, -1, err
+ }
+ opts := rootless.Opts{
+ Argument: ctr.ID(),
+ }
+ if s == libpod.ContainerStateRunning || s == libpod.ContainerStatePaused {
+ data, err := ioutil.ReadFile(ctr.Config().ConmonPidFile)
+ if err != nil {
+ return false, -1, errors.Wrapf(err, "cannot read conmon PID file %q", ctr.Config().ConmonPidFile)
+ }
+ conmonPid, err := strconv.Atoi(string(data))
+ if err != nil {
+ return false, -1, errors.Wrapf(err, "cannot parse PID %q", data)
+ }
+ return rootless.JoinDirectUserAndMountNSWithOpts(uint(conmonPid), &opts)
+ }
+ return rootless.BecomeRootInUserNSWithOpts(&opts)
+}
+
// saveCmd saves the image to either docker-archive or oci
func rmCmd(c *cliconfig.RmValues) error {
var (
deleteFuncs []shared.ParallelWorkerInput
)
+ if os.Geteuid() != 0 {
+ rootless.SetSkipStorageSetup(true)
+ }
ctx := getContext()
runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
@@ -61,6 +93,53 @@ func rmCmd(c *cliconfig.RmValues) error {
}
defer runtime.Shutdown(false)
+ if rootless.IsRootless() {
+ // When running in rootless mode we cannot manage different containers and
+ // user namespaces from the same context, so be sure to re-exec once for each
+ // container we are dealing with.
+ // What we do is to first collect all the containers we want to delete, then
+ // we re-exec in each of the container namespaces and from there remove the single
+ // container.
+ var container *libpod.Container
+ if os.Geteuid() == 0 {
+ // We are in the namespace, override InputArgs with the single
+ // argument that was passed down to us.
+ c.All = false
+ c.Latest = false
+ c.InputArgs = []string{rootless.Argument()}
+ } else {
+ var containers []*libpod.Container
+ if c.All {
+ containers, err = runtime.GetContainers()
+ } else if c.Latest {
+ container, err = runtime.GetLatestContainer()
+ if err != nil {
+ return errors.Wrapf(err, "unable to get latest pod")
+ }
+ containers = append(containers, container)
+ } else {
+ for _, c := range c.InputArgs {
+ container, err = runtime.LookupContainer(c)
+ if err != nil {
+ return err
+ }
+ containers = append(containers, container)
+ }
+ }
+ // Now we really delete the containers.
+ for _, c := range containers {
+ _, ret, err := joinContainerOrCreateRootlessUserNS(runtime, c)
+ if err != nil {
+ return err
+ }
+ if ret != 0 {
+ os.Exit(ret)
+ }
+ }
+ os.Exit(0)
+ }
+ }
+
failureCnt := 0
delContainers, err := getAllOrLatestContainers(&c.PodmanCommand, runtime, -1, "all")
if err != nil {