podman health check phase3

podman will not start a transient service and timer for healthchecks.
this handles the tracking of the timing for health checks.

added the 'started' status which represents the time that a container is
in its start-period.

the systemd timing can be disabled with an env variable of
DISABLE_HC_SYSTEMD="true".

added filter for ps where --filter health=[starting, healthy, unhealthy]
can now be used.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/cmd/podman/ps.go b/cmd/podman/ps.go
index 20638b424..27774f95d 100644
--- a/cmd/podman/ps.go
+++ b/cmd/podman/ps.go
@@ -494,6 +494,14 @@ func generateContainerFilterFuncs(filter, filterValue string, runtime *libpod.Ru
 			}
 			return false
 		}, nil
+	case "health":
+		return func(c *libpod.Container) bool {
+			hcStatus, err := c.HealthCheckStatus()
+			if err != nil {
+				return false
+			}
+			return hcStatus == filterValue
+		}, nil
 	}
 	return nil, errors.Errorf("%s is an invalid filter", filter)
 }