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system: move MovePauseProcessToScope to utils

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2021-09-16 12:44:45 +02:00
parent 9c1e27fdd5
commit 72534a74b3
2 changed files with 26 additions and 23 deletions
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24
pkg/domain/infra/abi/system.go
View File

@ -3,12 +3,10 @@ package abi
import (
"context"
"fmt"
"io/ioutil"
"net/url"
"os"
"os/exec"
"path/filepath"
"strconv"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v3/libpod/define"
@ -114,14 +112,7 @@ func (ic *ContainerEngine) SetupRootless(_ context.Context, noMoveProcess bool)
}
became, ret, err = rootless.TryJoinFromFilePaths(pausePidPath, true, paths)
if err := movePauseProcessToScope(pausePidPath); err != nil {
if utils.RunsOnSystemd() {
logrus.Warnf("Failed to add pause process to systemd sandbox cgroup: %v", err)
} else {
logrus.Debugf("Failed to add pause process to systemd sandbox cgroup: %v", err)
}
}
utils.MovePauseProcessToScope(pausePidPath)
if err != nil {
logrus.Error(errors.Wrapf(err, "invalid internal status, try resetting the pause process with %q", os.Args[0]+" system migrate"))
os.Exit(1)
@ -132,19 +123,6 @@ func (ic *ContainerEngine) SetupRootless(_ context.Context, noMoveProcess bool)
return nil
}
func movePauseProcessToScope(pausePidPath string) error {
data, err := ioutil.ReadFile(pausePidPath)
if err != nil {
return errors.Wrapf(err, "cannot read pause pid file")
}
pid, err := strconv.ParseUint(string(data), 10, 0)
if err != nil {
return errors.Wrapf(err, "cannot parse pid file %s", pausePidPath)
}
return utils.RunUnderSystemdScope(int(pid), "user.slice", "podman-pause.scope")
}
// SystemPrune removes unused data from the system. Pruning pods, containers, volumes and images.
func (ic *ContainerEngine) SystemPrune(ctx context.Context, options entities.SystemPruneOptions) (*entities.SystemPruneReport, error) {
var systemPruneReport = new(entities.SystemPruneReport)

25
utils/utils.go
View File

@ -172,3 +172,28 @@ func RunsOnSystemd() bool {
})
return runsOnSystemd
}
func moveProcessToScope(pidPath, slice, scope string) error {
data, err := ioutil.ReadFile(pidPath)
if err != nil {
return errors.Wrapf(err, "cannot read pid file %s", pidPath)
}
pid, err := strconv.ParseUint(string(data), 10, 0)
if err != nil {
return errors.Wrapf(err, "cannot parse pid file %s", pidPath)
}
return RunUnderSystemdScope(int(pid), slice, scope)
}
// MovePauseProcessToScope moves the pause process used for rootless mode to keep the namespaces alive to
// a separate scope.
func MovePauseProcessToScope(pausePidPath string) {
err := moveProcessToScope(pausePidPath, "user.slice", "podman-pause.scope")
if err != nil {
if RunsOnSystemd() {
logrus.Warnf("Failed to add pause process to systemd sandbox cgroup: %v", err)
} else {
logrus.Debugf("Failed to add pause process to systemd sandbox cgroup: %v", err)
}
}
}