Send exec exit event on failures

Fixes #39427

This always sends the exec exit events even when the exec fails to find
the binary.  A standard 127 exit status is sent in this situation.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
(cherry picked from commit c08d4da6e58799465317599804d46a530cc0f704)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 1920db026720b36578b548739db297f924ce31ac
Component: engine

Author: crosbymichael

components/engine/daemon/monitor.go

@@ -117,6 +117,7 @@ func (daemon *Daemon) ProcessEvent(id string, e libcontainerdtypes.EventType, ei
 			return cpErr
 		}
 
+		exitCode := 127
 		if execConfig := c.ExecCommands.Get(ei.ProcessID); execConfig != nil {
 			ec := int(ei.ExitCode)
 			execConfig.Lock()
@@ -131,18 +132,14 @@ func (daemon *Daemon) ProcessEvent(id string, e libcontainerdtypes.EventType, ei
 			// remove the exec command from the container's store only and not the
 			// daemon's store so that the exec command can be inspected.
 			c.ExecCommands.Delete(execConfig.ID, execConfig.Pid)
-			attributes := map[string]string{
-				"execID":   execConfig.ID,
-				"exitCode": strconv.Itoa(ec),
-			}
-			daemon.LogContainerEventWithAttributes(c, "exec_die", attributes)
-		} else {
-			logrus.WithFields(logrus.Fields{
-				"container": c.ID,
-				"exec-id":   ei.ProcessID,
-				"exec-pid":  ei.Pid,
-			}).Warn("Ignoring Exit Event, no such exec command found")
+
+			exitCode = ec
+		}
+		attributes := map[string]string{
+			"execID":   ei.ProcessID,
+			"exitCode": strconv.Itoa(exitCode),
 		}
+		daemon.LogContainerEventWithAttributes(c, "exec_die", attributes)
 	case libcontainerdtypes.EventStart:
 		c.Lock()
 		defer c.Unlock()