Events for containers in pods now include the pod's ID

This allows tools like Cockpit to know that the pod in question
has also been updated, so they can refresh the list of containers
in the pod.

Fixes #15408

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

3 files changed, 14 insertions, 2 deletions

diff --git a/libpod/events/config.go b/libpod/events/config.go
index 4ea45a00e..28bc87a34 100644
--- a/libpod/events/config.go
+++ b/libpod/events/config.go
@@ -50,6 +50,8 @@ type Event struct {
 type Details struct {
 	// ID is the event ID
 	ID string
+	// PodID is the ID of the pod associated with the container.
+	PodID string `json:",omitempty"`
 	// Attributes can be used to describe specifics about the event
 	// in the case of a container event, labels for example
 	Attributes map[string]string
diff --git a/libpod/events/events.go b/libpod/events/events.go
index 764481e51..2105a3b89 100644
--- a/libpod/events/events.go
+++ b/libpod/events/events.go
@@ -76,7 +76,13 @@ func (e *Event) ToHumanReadable(truncate bool) string {
 	}
 	switch e.Type {
 	case Container, Pod:
-		humanFormat = fmt.Sprintf("%s %s %s %s (image=%s, name=%s, health_status=%s", e.Time, e.Type, e.Status, id, e.Image, e.Name, e.HealthStatus)
+		humanFormat = fmt.Sprintf("%s %s %s %s (image=%s, name=%s", e.Time, e.Type, e.Status, id, e.Image, e.Name)
+		if e.PodID != "" {
+			humanFormat += fmt.Sprintf(", pod_id=%s", e.PodID)
+		}
+		if e.HealthStatus != "" {
+			humanFormat += fmt.Sprintf(", health_status=%s", e.HealthStatus)
+		}
 		// check if the container has labels and add it to the output
 		if len(e.Attributes) > 0 {
 			for k, v := range e.Attributes {
diff --git a/libpod/events/journal_linux.go b/libpod/events/journal_linux.go
index 4986502a2..e303a205d 100644
--- a/libpod/events/journal_linux.go
+++ b/libpod/events/journal_linux.go
@@ -50,6 +50,9 @@ func (e EventJournalD) Write(ee Event) error {
 		if ee.ContainerExitCode != 0 {
 			m["PODMAN_EXIT_CODE"] = strconv.Itoa(ee.ContainerExitCode)
 		}
+		if ee.PodID != "" {
+			m["PODMAN_POD_ID"] = ee.PodID
+		}
 		// If we have container labels, we need to convert them to a string so they
 		// can be recorded with the event
 		if len(ee.Details.Attributes) > 0 {
@@ -161,6 +164,7 @@ func newEventFromJournalEntry(entry *sdjournal.JournalEntry) (*Event, error) {
 	case Container, Pod:
 		newEvent.ID = entry.Fields["PODMAN_ID"]
 		newEvent.Image = entry.Fields["PODMAN_IMAGE"]
+		newEvent.PodID = entry.Fields["PODMAN_POD_ID"]
 		if code, ok := entry.Fields["PODMAN_EXIT_CODE"]; ok {
 			intCode, err := strconv.Atoi(code)
 			if err != nil {
@@ -179,7 +183,7 @@ func newEventFromJournalEntry(entry *sdjournal.JournalEntry) (*Event, error) {
 
 			// if we have labels, add them to the event
 			if len(labels) > 0 {
-				newEvent.Details = Details{Attributes: labels}
+				newEvent.Attributes = labels
 			}
 		}
 		newEvent.HealthStatus = entry.Fields["PODMAN_HEALTH_STATUS"]