emit container labels also for container exited and exec died events

- adds unit test for container labels on container die event
- implements #15617

Signed-off-by: Harald Albrecht <harald.albrecht@gmx.net>

libpod/events.go

@@ -55,6 +55,12 @@ func (c *Container) newContainerExitedEvent(exitCode int32) {
 	e.Image = c.config.RootfsImageName
 	e.Type = events.Container
 	e.ContainerExitCode = int(exitCode)
+
+	e.Details = events.Details{
+		ID:         e.ID,
+		Attributes: c.Labels(),
+	}
+
 	if err := c.runtime.eventer.Write(e); err != nil {
 		logrus.Errorf("Unable to write container exited event: %q", err)
 	}
@@ -70,6 +76,12 @@ func (c *Container) newExecDiedEvent(sessionID string, exitCode int) {
 	e.ContainerExitCode = exitCode
 	e.Attributes = make(map[string]string)
 	e.Attributes["execID"] = sessionID
+
+	e.Details = events.Details{
+		ID:         e.ID,
+		Attributes: c.Labels(),
+	}
+
 	if err := c.runtime.eventer.Write(e); err != nil {
 		logrus.Errorf("Unable to write exec died event: %q", err)
 	}

test/system/090-events.bats

@@ -194,3 +194,22 @@ EOF
     is "$(wc -l <$eventsFile)" "$(wc -l <<<$output)" "all events are returned"
     is "${lines[-2]}" ".* log-rotation $eventsFile"
 }
+
+# Prior to #15633, container labels would not appear in 'die' log events
+@test "events - labels included in container die" {
+    skip_if_remote "remote does not support --events-backend"
+    local cname=c$(random_string 15)
+    local lname=l$(random_string 10)
+    local lvalue="v$(random_string 10) $(random_string 5)"
+
+    run_podman 17 --events-backend=file run --rm \
+               --name=$cname \
+               --label=$lname="$lvalue" \
+               $IMAGE sh -c 'exit 17'
+    run_podman --events-backend=file events \
+               --filter=container=$cname \
+               --filter=status=died \
+               --stream=false \
+               --format="{{.Attributes.$lname}}"
+    assert "$output" = "$lvalue" "podman-events output includes container label"
+}