Change kube_pod_status_qos_class to experimental metric

Signed-off-by: frezes <[email protected]>

Author: frezes

docs/pod-metrics.md

@@ -11,7 +11,7 @@
 | kube_pod_labels | Gauge | Kubernetes labels converted to Prometheus labels                      | | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `label_POD_LABEL`=&lt;POD_LABEL&gt; <br> `uid`=&lt;pod-uid&gt; | STABLE | - |
 | kube_pod_nodeselectors| Gauge | Describes the Pod nodeSelectors                                       | |  `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `nodeselector_NODE_SELECTOR`=&lt;NODE_SELECTOR&gt; <br> `uid`=&lt;pod-uid&gt; | EXPERIMENTAL | Opt-in |
 | kube_pod_status_phase | Gauge | The pods current phase                                                | | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `phase`=&lt;Pending\|Running\|Succeeded\|Failed\|Unknown&gt; <br> `uid`=&lt;pod-uid&gt; | STABLE | - |
-| kube_pod_status_qos_class | Gauge | The pods current qosClass                                                | | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `qos_class`=&lt;BestEffort\|Burstable\|Guaranteed&gt; <br> `uid`=&lt;pod-uid&gt; | STABLE | - |
+| kube_pod_status_qos_class | Gauge | The pods current qosClass                                                | | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `qos_class`=&lt;BestEffort\|Burstable\|Guaranteed&gt; <br> `uid`=&lt;pod-uid&gt; | EXPERIMENTAL | - |
 | kube_pod_status_ready | Gauge | Describes whether the pod is ready to serve requests                  | | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `condition`=&lt;true\|false\|unknown&gt; <br> `uid`=&lt;pod-uid&gt; | STABLE | - |
 | kube_pod_status_scheduled | Gauge | Describes the status of the scheduling process for the pod            | |`pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `condition`=&lt;true\|false\|unknown&gt; <br> `uid`=&lt;pod-uid&gt; | STABLE | - |
 | kube_pod_container_info | Gauge | Information about a container in a pod                                | | `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> `image_spec`=&lt;image-spec&gt; <br> `container_id`=&lt;containerid&gt; <br> `uid`=&lt;pod-uid&gt; | STABLE | - |

internal/store/pod.go

@@ -1323,7 +1323,7 @@ func createPodStatusQosClassFamilyGenerator() generator.FamilyGenerator {
 		"kube_pod_status_qos_class",
 		"The pods current qosClass.",
 		metric.Gauge,
-		basemetrics.STABLE,
+		basemetrics.ALPHA,
 		"",
 		wrapPodFunc(func(p *v1.Pod) *metric.Family {
 			class := p.Status.QOSClass

internal/store/pod_test.go

@@ -1306,7 +1306,7 @@ func TestPodStore(t *testing.T) {
 				},
 			},
 			Want: `
-				# HELP kube_pod_status_qos_class [STABLE] The pods current qosClass.
+				# HELP kube_pod_status_qos_class The pods current qosClass.
 				# TYPE kube_pod_status_qos_class gauge
 				kube_pod_status_qos_class{namespace="ns1",qos_class="BestEffort",pod="pod1",uid="uid1"} 1
 				kube_pod_status_qos_class{namespace="ns1",qos_class="Burstable",pod="pod1",uid="uid1"} 0

pkg/app/server_test.go

@@ -238,7 +238,7 @@ func TestFullScrapeCycle(t *testing.T) {
 # HELP kube_pod_spec_volumes_persistentvolumeclaims_info [STABLE] Information about persistentvolumeclaim volumes in a pod.
 # HELP kube_pod_spec_volumes_persistentvolumeclaims_readonly [STABLE] Describes whether a persistentvolumeclaim is mounted read only.
 # HELP kube_pod_start_time [STABLE] Start time in unix timestamp for a pod.
-# HELP kube_pod_status_qos_class [STABLE] The pods current qosClass.
+# HELP kube_pod_status_qos_class The pods current qosClass.
 # HELP kube_pod_status_phase [STABLE] The pods current phase.
 # HELP kube_pod_status_ready [STABLE] Describes whether the pod is ready to serve requests.
 # HELP kube_pod_status_reason The pod status reasons