update doc with new pod's metrics and fix benchmark

Signed-off-by: cedric lamoriniere <[email protected]>

docs/pod-metrics.md

@@ -25,7 +25,8 @@
 | kube_pod_container_resource_limits_cpu_cores | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; | DEPRECATED |
 | kube_pod_container_resource_limits | Gauge | `resource`=&lt;resource-name&gt; <br> `unit`=&lt;resource-unit&gt; <br> `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; | STABLE |
 | kube_pod_container_resource_limits_memory_bytes | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; | DEPRECATED |
-| kube_pod_created | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
+| kube_pod_created | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | STABLE |
+| kube_pod_deleted | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | EXPERIMENTAL |
 | kube_pod_restart_policy | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `type`=&lt;Always|Never|OnFailure&gt; | STABLE |
 | kube_pod_init_container_info | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `image`=&lt;image-name&gt; <br> `image_id`=&lt;image-id&gt; <br> `container_id`=&lt;containerid&gt; | STABLE |
 | kube_pod_init_container_status_waiting | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | STABLE |
@@ -40,4 +41,5 @@
 | kube_pod_spec_volumes_persistentvolumeclaims_info | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `volume`=&lt;volume-name&gt;  <br> `persistentvolumeclaim`=&lt;persistentvolumeclaim-claimname&gt; | STABLE |
 | kube_pod_spec_volumes_persistentvolumeclaims_readonly | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt;  <br> `volume`=&lt;volume-name&gt;  <br> `persistentvolumeclaim`=&lt;persistentvolumeclaim-claimname&gt; | STABLE |
 | kube_pod_status_scheduled_time | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | STABLE |
+| kube_pod_status_reason | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `reason`=&lt;NodeLost\|Evicted\&gt; | EXPERIMENTAL |
 | kube_pod_status_unschedulable | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | STABLE |

internal/store/pod_test.go

@@ -1650,7 +1650,7 @@ func BenchmarkPodStore(b *testing.B) {
 		},
 	}
 
-	expectedFamilies := 39
+	expectedFamilies := 41
 	for n := 0; n < b.N; n++ {
 		families := f(pod)
 		if len(families) != expectedFamilies {