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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-07-27 20:46:46 +0200
committerGitHub <noreply@github.com>2021-07-27 20:46:46 +0200
commita6a0f6c192a63f1b0ae6790bc88eb93bd6b7718c (patch)
treea21d60ff1efd78acd03895de0ca27ff754af39fa
parentb6c279be2296ce32fbb36ba39bd948f93be9bede (diff)
parent63ef5576ed6e99dca3dfef8e8fb6efb5564839a2 (diff)
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Merge pull request #11061 from giuseppe/migrate-no-move-to-cgroup
command: migrate doesn't move process to cgroup
-rw-r--r--cmd/podman/common/completion.go4
-rw-r--r--cmd/podman/registry/config.go3
-rw-r--r--cmd/podman/root.go3
-rw-r--r--cmd/podman/system/migrate.go5
-rw-r--r--pkg/domain/entities/engine_container.go3
-rw-r--r--pkg/domain/infra/abi/system.go12
-rw-r--r--pkg/domain/infra/tunnel/system.go3
7 files changed, 21 insertions, 12 deletions
diff --git a/cmd/podman/common/completion.go b/cmd/podman/common/completion.go
index 177d094aa..08b2f6235 100644
--- a/cmd/podman/common/completion.go
+++ b/cmd/podman/common/completion.go
@@ -46,7 +46,9 @@ func setupContainerEngine(cmd *cobra.Command) (entities.ContainerEngine, error)
return nil, err
}
if !registry.IsRemote() && rootless.IsRootless() {
- err := containerEngine.SetupRootless(registry.Context(), cmd)
+ _, noMoveProcess := cmd.Annotations[registry.NoMoveProcess]
+
+ err := containerEngine.SetupRootless(registry.Context(), noMoveProcess)
if err != nil {
return nil, err
}
diff --git a/cmd/podman/registry/config.go b/cmd/podman/registry/config.go
index 25139a3de..b512ba341 100644
--- a/cmd/podman/registry/config.go
+++ b/cmd/podman/registry/config.go
@@ -15,6 +15,9 @@ import (
)
const (
+ // NoMoveProcess used as cobra.Annotation when command doesn't need Podman to be moved to a separate cgroup
+ NoMoveProcess = "NoMoveProcess"
+
// ParentNSRequired used as cobra.Annotation when command requires root access
ParentNSRequired = "ParentNSRequired"
diff --git a/cmd/podman/root.go b/cmd/podman/root.go
index 2633e4040..dc4ebb952 100644
--- a/cmd/podman/root.go
+++ b/cmd/podman/root.go
@@ -208,7 +208,8 @@ func persistentPreRunE(cmd *cobra.Command, args []string) error {
// 3) command doesn't require Parent Namespace
_, found := cmd.Annotations[registry.ParentNSRequired]
if !registry.IsRemote() && rootless.IsRootless() && !found {
- err := registry.ContainerEngine().SetupRootless(registry.Context(), cmd)
+ _, noMoveProcess := cmd.Annotations[registry.NoMoveProcess]
+ err := registry.ContainerEngine().SetupRootless(registry.Context(), noMoveProcess)
if err != nil {
return err
}
diff --git a/cmd/podman/system/migrate.go b/cmd/podman/system/migrate.go
index 9940cd063..b9dc272d7 100644
--- a/cmd/podman/system/migrate.go
+++ b/cmd/podman/system/migrate.go
@@ -22,7 +22,10 @@ var (
`
migrateCommand = &cobra.Command{
- Annotations: map[string]string{registry.EngineMode: registry.ABIMode},
+ Annotations: map[string]string{
+ registry.EngineMode: registry.ABIMode,
+ registry.NoMoveProcess: registry.NoMoveProcess,
+ },
Use: "migrate [options]",
Args: validate.NoArgs,
Short: "Migrate containers",
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index 62e83fab3..d573e4704 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -8,7 +8,6 @@ import (
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/pkg/domain/entities/reports"
"github.com/containers/podman/v3/pkg/specgen"
- "github.com/spf13/cobra"
)
type ContainerCopyFunc func() error
@@ -82,7 +81,7 @@ type ContainerEngine interface {
PodStop(ctx context.Context, namesOrIds []string, options PodStopOptions) ([]*PodStopReport, error)
PodTop(ctx context.Context, options PodTopOptions) (*StringSliceReport, error)
PodUnpause(ctx context.Context, namesOrIds []string, options PodunpauseOptions) ([]*PodUnpauseReport, error)
- SetupRootless(ctx context.Context, cmd *cobra.Command) error
+ SetupRootless(ctx context.Context, noMoveProcess bool) error
SecretCreate(ctx context.Context, name string, reader io.Reader, options SecretCreateOptions) (*SecretCreateReport, error)
SecretInspect(ctx context.Context, nameOrIDs []string) ([]*SecretInfoReport, []error, error)
SecretList(ctx context.Context) ([]*SecretInfoReport, error)
diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go
index 155cda21d..bc98edd06 100644
--- a/pkg/domain/infra/abi/system.go
+++ b/pkg/domain/infra/abi/system.go
@@ -24,7 +24,6 @@ import (
"github.com/containers/storage/pkg/unshare"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
- "github.com/spf13/cobra"
"github.com/spf13/pflag"
)
@@ -57,7 +56,7 @@ func (ic *ContainerEngine) Info(ctx context.Context) (*define.Info, error) {
return info, err
}
-func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command) error {
+func (ic *ContainerEngine) SetupRootless(_ context.Context, noMoveProcess bool) error {
// do it only after podman has already re-execed and running with uid==0.
hasCapSysAdmin, err := unshare.HasCapSysAdmin()
if err != nil {
@@ -104,6 +103,9 @@ func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command)
if became {
os.Exit(ret)
}
+ if noMoveProcess {
+ return nil
+ }
// if there is no pid file, try to join existing containers, and create a pause process.
ctrs, err := ic.Libpod.GetRunningContainers()
@@ -118,9 +120,10 @@ func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command)
}
became, ret, err = rootless.TryJoinFromFilePaths(pausePidPath, true, paths)
+
if err := movePauseProcessToScope(ic.Libpod); err != nil {
- conf, err := ic.Config(context.Background())
- if err != nil {
+ conf, err2 := ic.Config(context.Background())
+ if err2 != nil {
return err
}
if conf.Engine.CgroupManager == config.SystemdCgroupsManager {
@@ -148,7 +151,6 @@ func movePauseProcessToScope(r *libpod.Runtime) error {
if err != nil {
return errors.Wrapf(err, "could not get pause process pid file path")
}
-
data, err := ioutil.ReadFile(pausePidPath)
if err != nil {
return errors.Wrapf(err, "cannot read pause pid file")
diff --git a/pkg/domain/infra/tunnel/system.go b/pkg/domain/infra/tunnel/system.go
index 7400d3771..6b43cf038 100644
--- a/pkg/domain/infra/tunnel/system.go
+++ b/pkg/domain/infra/tunnel/system.go
@@ -7,14 +7,13 @@ import (
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/pkg/bindings/system"
"github.com/containers/podman/v3/pkg/domain/entities"
- "github.com/spf13/cobra"
)
func (ic *ContainerEngine) Info(ctx context.Context) (*define.Info, error) {
return system.Info(ic.ClientCtx, nil)
}
-func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command) error {
+func (ic *ContainerEngine) SetupRootless(_ context.Context, noMoveProcess bool) error {
panic(errors.New("rootless engine mode is not supported when tunneling"))
}