Fixing emitting of ready time metrics when condition is false

Author: Ryan R. Olds

internal/store/pod.go

@@ -1331,7 +1331,7 @@ func createPodStatusContainerReadyTimeFamilyGenerator() generator.FamilyGenerato
 			ms := []*metric.Metric{}
 
 			for _, c := range p.Status.Conditions {
-				if c.Type == v1.ContainersReady {
+				if c.Type == v1.ContainersReady && c.Status == v1.ConditionTrue {
 					ms = append(ms, &metric.Metric{
 						LabelKeys:   []string{},
 						LabelValues: []string{},
@@ -1358,7 +1358,7 @@ func createPodStatusReadyTimeFamilyGenerator() generator.FamilyGenerator {
 			ms := []*metric.Metric{}
 
 			for _, c := range p.Status.Conditions {
-				if c.Type == v1.PodReady {
+				if c.Type == v1.PodReady && c.Status == v1.ConditionTrue {
 					ms = append(ms, &metric.Metric{
 						LabelKeys:   []string{},
 						LabelValues: []string{},

internal/store/pod_test.go

@@ -1460,6 +1460,31 @@ func TestPodStore(t *testing.T) {
 			`,
 			MetricNames: []string{"kube_pod_status_container_ready_time"},
 		},
+		{
+			Obj: &v1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pod1",
+					Namespace: "ns1",
+					UID:       "uid1",
+				},
+				Status: v1.PodStatus{
+					Conditions: []v1.PodCondition{
+						{
+							Type:   v1.ContainersReady,
+							Status: v1.ConditionFalse,
+							LastTransitionTime: metav1.Time{
+								Time: time.Unix(1501666018, 0),
+							},
+						},
+					},
+				},
+			},
+			Want: `
+				# HELP kube_pod_status_container_ready_time Readiness achieved time in unix timestamp for a pod containers.
+				# TYPE kube_pod_status_container_ready_time gauge
+			`,
+			MetricNames: []string{"kube_pod_status_container_ready_time"},
+		},
 		{
 			Obj: &v1.Pod{
 				ObjectMeta: metav1.ObjectMeta{
@@ -1515,7 +1540,6 @@ func TestPodStore(t *testing.T) {
 				# HELP kube_pod_status_ready_time Readiness achieved time in unix timestamp for a pod.
 				# TYPE kube_pod_status_ready gauge
 				# TYPE kube_pod_status_ready_time gauge
-				kube_pod_status_ready_time{namespace="ns2",pod="pod2",uid="uid2"} 1.501666018e+09
 				kube_pod_status_ready{condition="false",namespace="ns2",pod="pod2",uid="uid2"} 1
 				kube_pod_status_ready{condition="true",namespace="ns2",pod="pod2",uid="uid2"} 0
 				kube_pod_status_ready{condition="unknown",namespace="ns2",pod="pod2",uid="uid2"} 0