diff options
-rw-r--r-- | libpod/container.go | 4 | ||||
-rw-r--r-- | libpod/container_config.go | 2 | ||||
-rw-r--r-- | libpod/container_inspect.go | 2 | ||||
-rw-r--r-- | libpod/container_internal.go | 5 | ||||
-rw-r--r-- | libpod/container_internal_linux.go | 5 | ||||
-rw-r--r-- | libpod/define/container_inspect.go | 4 | ||||
-rw-r--r-- | libpod/oci_conmon_linux.go | 11 | ||||
-rw-r--r-- | libpod/options.go | 11 | ||||
-rw-r--r-- | pkg/specgen/generate/container_create.go | 5 | ||||
-rw-r--r-- | test/system/260-sdnotify.bats | 14 |
10 files changed, 46 insertions, 17 deletions
diff --git a/libpod/container.go b/libpod/container.go index 4e2d93860..6c05b1084 100644 --- a/libpod/container.go +++ b/libpod/container.go @@ -124,10 +124,6 @@ type Container struct { // This is true if a container is restored from a checkpoint. restoreFromCheckpoint bool - // Used to query the NOTIFY_SOCKET once along with setting up - // mounts etc. - notifySocket string - slirp4netnsSubnet *net.IPNet } diff --git a/libpod/container_config.go b/libpod/container_config.go index 544c45a8c..bd9816651 100644 --- a/libpod/container_config.go +++ b/libpod/container_config.go @@ -386,6 +386,8 @@ type ContainerMiscConfig struct { IsService bool `json:"isService"` // SdNotifyMode tells libpod what to do with a NOTIFY_SOCKET if passed SdNotifyMode string `json:"sdnotifyMode,omitempty"` + // SdNotifySocket stores NOTIFY_SOCKET in use by the container + SdNotifySocket string `json:"sdnotifySocket,omitempty"` // Systemd tells libpod to set up the container in systemd mode, a value of nil denotes false Systemd *bool `json:"systemd,omitempty"` // HealthCheckConfig has the health check command and related timings diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go index fa2130a28..5e2ab2818 100644 --- a/libpod/container_inspect.go +++ b/libpod/container_inspect.go @@ -414,6 +414,8 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) *define.Insp ctrConfig.Passwd = c.config.Passwd ctrConfig.ChrootDirs = append(ctrConfig.ChrootDirs, c.config.ChrootDirs...) + ctrConfig.SdNotifyMode = c.config.SdNotifyMode + ctrConfig.SdNotifySocket = c.config.SdNotifySocket return ctrConfig } diff --git a/libpod/container_internal.go b/libpod/container_internal.go index bad68991b..7cef067b0 100644 --- a/libpod/container_internal.go +++ b/libpod/container_internal.go @@ -31,6 +31,7 @@ import ( "github.com/containers/podman/v4/pkg/lookup" "github.com/containers/podman/v4/pkg/rootless" "github.com/containers/podman/v4/pkg/selinux" + "github.com/containers/podman/v4/pkg/systemd/notifyproxy" "github.com/containers/podman/v4/pkg/util" "github.com/containers/storage" "github.com/containers/storage/pkg/archive" @@ -1224,9 +1225,9 @@ func (c *Container) start() error { payload += "\n" payload += daemon.SdNotifyReady } - if sent, err := daemon.SdNotify(false, payload); err != nil { + if err := notifyproxy.SendMessage(c.config.SdNotifySocket, payload); err != nil { logrus.Errorf("Notifying systemd of Conmon PID: %s", err.Error()) - } else if sent { + } else { logrus.Debugf("Notify sent successfully") } } diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index a131ab367..c4f83b571 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -969,12 +969,9 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) { // and if the sdnotify mode is set to container. It also sets c.notifySocket // to avoid redundantly looking up the env variable. func (c *Container) mountNotifySocket(g generate.Generator) error { - notify, ok := os.LookupEnv("NOTIFY_SOCKET") - if !ok { + if c.config.SdNotifySocket == "" { return nil } - c.notifySocket = notify - if c.config.SdNotifyMode != define.SdNotifyModeContainer { return nil } diff --git a/libpod/define/container_inspect.go b/libpod/define/container_inspect.go index e6a34ba61..5982d684c 100644 --- a/libpod/define/container_inspect.go +++ b/libpod/define/container_inspect.go @@ -79,6 +79,10 @@ type InspectContainerConfig struct { // treated as root directories. Standard bind mounts will be mounted // into paths relative to these directories. ChrootDirs []string `json:"ChrootDirs,omitempty"` + // SdNotifyMode is the sd-notify mode of the container. + SdNotifyMode string `json:"sdNotifyMode,omitempty"` + // SdNotifySocket is the NOTIFY_SOCKET in use by/configured for the container. + SdNotifySocket string `json:"sdNotifySocket,omitempty"` } // InspectRestartPolicy holds information about the container's restart policy. diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go index cb76de72c..1b654ed33 100644 --- a/libpod/oci_conmon_linux.go +++ b/libpod/oci_conmon_linux.go @@ -1062,8 +1062,8 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co args := r.sharedConmonArgs(ctr, ctr.ID(), ctr.bundlePath(), pidfile, ctr.LogPath(), r.exitsDir, ociLog, ctr.LogDriver(), logTag) - if ctr.config.SdNotifyMode == define.SdNotifyModeContainer && ctr.notifySocket != "" { - args = append(args, fmt.Sprintf("--sdnotify-socket=%s", ctr.notifySocket)) + if ctr.config.SdNotifyMode == define.SdNotifyModeContainer && ctr.config.SdNotifySocket != "" { + args = append(args, fmt.Sprintf("--sdnotify-socket=%s", ctr.config.SdNotifySocket)) } if ctr.config.Spec.Process.Terminal { @@ -1391,14 +1391,13 @@ func startCommand(cmd *exec.Cmd, ctr *Container) error { // Make sure to unset the NOTIFY_SOCKET and reset it afterwards if needed. switch ctr.config.SdNotifyMode { case define.SdNotifyModeContainer, define.SdNotifyModeIgnore: - if ctr.notifySocket != "" { + if prev := os.Getenv("NOTIFY_SOCKET"); prev != "" { if err := os.Unsetenv("NOTIFY_SOCKET"); err != nil { logrus.Warnf("Error unsetting NOTIFY_SOCKET %v", err) } - defer func() { - if err := os.Setenv("NOTIFY_SOCKET", ctr.notifySocket); err != nil { - logrus.Errorf("Resetting NOTIFY_SOCKET=%s", ctr.notifySocket) + if err := os.Setenv("NOTIFY_SOCKET", prev); err != nil { + logrus.Errorf("Resetting NOTIFY_SOCKET=%s", prev) } }() } diff --git a/libpod/options.go b/libpod/options.go index b31cb4ab2..933c9a1c3 100644 --- a/libpod/options.go +++ b/libpod/options.go @@ -613,6 +613,17 @@ func WithSystemd() CtrCreateOption { } } +// WithSdNotifySocket sets the sd-notify of the container +func WithSdNotifySocket(socketPath string) CtrCreateOption { + return func(ctr *Container) error { + if ctr.valid { + return define.ErrCtrFinalized + } + ctr.config.SdNotifySocket = socketPath + return nil + } +} + // WithSdNotifyMode sets the sd-notify method func WithSdNotifyMode(mode string) CtrCreateOption { return func(ctr *Container) error { diff --git a/pkg/specgen/generate/container_create.go b/pkg/specgen/generate/container_create.go index 8334d386f..f4c67e534 100644 --- a/pkg/specgen/generate/container_create.go +++ b/pkg/specgen/generate/container_create.go @@ -5,6 +5,7 @@ import ( "encoding/json" "errors" "fmt" + "os" "path/filepath" "strings" @@ -353,6 +354,10 @@ func createContainerOptions(rt *libpod.Runtime, s *specgen.SpecGenerator, pod *l if len(s.SdNotifyMode) > 0 { options = append(options, libpod.WithSdNotifyMode(s.SdNotifyMode)) } + if notify, ok := os.LookupEnv("NOTIFY_SOCKET"); ok { + options = append(options, libpod.WithSdNotifySocket(notify)) + } + if pod != nil { logrus.Debugf("adding container to pod %s", pod.Name()) options = append(options, rt.WithPod(pod)) diff --git a/test/system/260-sdnotify.bats b/test/system/260-sdnotify.bats index cd7b1262a..fe442f57d 100644 --- a/test/system/260-sdnotify.bats +++ b/test/system/260-sdnotify.bats @@ -88,7 +88,13 @@ function _assert_mainpid_is_conmon() { export NOTIFY_SOCKET=$PODMAN_TMPDIR/ignore.sock _start_socat - run_podman 1 run --rm --sdnotify=ignore $IMAGE printenv NOTIFY_SOCKET + run_podman create --rm --sdnotify=ignore $IMAGE printenv NOTIFY_SOCKET + cid="$output" + + run_podman container inspect $cid --format "{{.Config.SdNotifyMode}} {{.Config.SdNotifySocket}}" + is "$output" "ignore $NOTIFY_SOCKET" + + run_podman 1 start --attach $cid is "$output" "" "\$NOTIFY_SOCKET in container" is "$(< $_SOCAT_LOG)" "" "nothing received on socket" @@ -106,6 +112,9 @@ function _assert_mainpid_is_conmon() { cid="$output" wait_for_ready $cid + run_podman container inspect $cid --format "{{.Config.SdNotifyMode}} {{.Config.SdNotifySocket}}" + is "$output" "conmon $NOTIFY_SOCKET" + run_podman container inspect sdnotify_conmon_c --format "{{.State.ConmonPid}}" mainPID="$output" @@ -151,6 +160,9 @@ READY=1" "sdnotify sent MAINPID and READY" cid="$output" wait_for_ready $cid + run_podman container inspect $cid --format "{{.Config.SdNotifyMode}} {{.Config.SdNotifySocket}}" + is "$output" "container $NOTIFY_SOCKET" + run_podman logs $cid is "${lines[0]}" "/run/notify/notify.sock" "NOTIFY_SOCKET is passed to container" |