scheduler: promote pod resource metrics to stable

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

pkg/scheduler/metrics/resources/resources.go

@@ -57,7 +57,7 @@ var podResourceDesc = resourceMetricsDescriptors{
 			"Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.",
 			[]string{"namespace", "pod", "node", "scheduler", "priority", "resource", "unit"},
 			nil,
-			metrics.ALPHA,
+			metrics.STABLE,
 			""),
 	},
 	limits: resourceLifecycleDescriptors{
@@ -65,7 +65,7 @@ var podResourceDesc = resourceMetricsDescriptors{
 			"Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.",
 			[]string{"namespace", "pod", "node", "scheduler", "priority", "resource", "unit"},
 			nil,
-			metrics.ALPHA,
+			metrics.STABLE,
 			""),
 	},
 }

pkg/scheduler/metrics/resources/resources_test.go

@@ -92,11 +92,11 @@ func Test_podResourceCollector_Handler(t *testing.T) {
 	}
 	h.ServeHTTP(r, req)
 
-	expected := `# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+	expected := `# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 # TYPE kube_pod_resource_limit gauge
 kube_pod_resource_limit{namespace="test",node="node-one",pod="foo",priority="",resource="custom",scheduler="",unit=""} 6
 kube_pod_resource_limit{namespace="test",node="node-one",pod="foo",priority="",resource="memory",scheduler="",unit="bytes"} 2.68435456e+09
-# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 # TYPE kube_pod_resource_request gauge
 kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 2
 kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="",resource="custom",scheduler="",unit=""} 3
@@ -152,7 +152,7 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 1
 				`,
@@ -170,7 +170,7 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `      
-				# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_limit gauge
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 1
 				`,
@@ -238,7 +238,7 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="",pod="foo-unscheduled-succeeded",priority="",resource="cpu",scheduler="",unit="cores"} 1
 				kube_pod_resource_request{namespace="test",node="node-one",pod="foo-pending",priority="",resource="cpu",scheduler="",unit="cores"} 1
@@ -300,7 +300,7 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="0",resource="cpu",scheduler="default-scheduler",unit="cores"} 1
 				`,
@@ -345,11 +345,11 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_limit gauge
 				kube_pod_resource_limit{namespace="test",node="node-one",pod="foo",priority="",resource="custom",scheduler="",unit=""} 6
 				kube_pod_resource_limit{namespace="test",node="node-one",pod="foo",priority="",resource="memory",scheduler="",unit="bytes"} 2e+09
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 2
 				kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="",resource="custom",scheduler="",unit=""} 3
@@ -396,11 +396,11 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_limit gauge
 				kube_pod_resource_limit{namespace="test",node="node-one",pod="foo",priority="",resource="custom",scheduler="",unit=""} 6
 				kube_pod_resource_limit{namespace="test",node="node-one",pod="foo",priority="",resource="memory",scheduler="",unit="bytes"} 2e+09
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 2
 				kube_pod_resource_request{namespace="test",node="node-one",pod="foo",priority="",resource="custom",scheduler="",unit=""} 3
@@ -433,11 +433,11 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `            
-				# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_limit gauge
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 3.25
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="memory",scheduler="",unit="bytes"} 4e+09
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 1.5
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="memory",scheduler="",unit="bytes"} 1e+09
@@ -482,11 +482,11 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_limit gauge
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="custom",scheduler="",unit=""} 6.5
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="memory",scheduler="",unit="bytes"} 2.75e+09
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="cpu",scheduler="",unit="cores"} 2.25
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="custom",scheduler="",unit=""} 3.5
@@ -517,13 +517,13 @@ func Test_podResourceCollector_CollectWithStability(t *testing.T) {
 				},
 			},
 			expected: `
-				# HELP kube_pod_resource_limit [ALPHA] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_limit [STABLE] Resources limit for workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_limit gauge
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="attachable-volumes-",scheduler="",unit="integer"} 4
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="attachable-volumes-aws",scheduler="",unit="integer"} 3
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="hugepages-",scheduler="",unit="bytes"} 2
 				kube_pod_resource_limit{namespace="test",node="",pod="foo",priority="",resource="hugepages-x",scheduler="",unit="bytes"} 1
-				# HELP kube_pod_resource_request [ALPHA] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
+				# HELP kube_pod_resource_request [STABLE] Resources requested by workloads on the cluster, broken down by pod. This shows the resource usage the scheduler and kubelet expect per pod for resources along with the unit for the resource if any.
 				# TYPE kube_pod_resource_request gauge
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="ephemeral-storage",scheduler="",unit="bytes"} 6
 				kube_pod_resource_request{namespace="test",node="",pod="foo",priority="",resource="storage",scheduler="",unit="bytes"} 5

test/instrumentation/testdata/stable-metrics-list.yaml

@@ -74,6 +74,34 @@
   stabilityLevel: STABLE
   labels:
   - zone
+- name: kube_pod_resource_limit
+  help: Resources limit for workloads on the cluster, broken down by pod. This shows
+    the resource usage the scheduler and kubelet expect per pod for resources along
+    with the unit for the resource if any.
+  type: Custom
+  stabilityLevel: STABLE
+  labels:
+  - namespace
+  - pod
+  - node
+  - scheduler
+  - priority
+  - resource
+  - unit
+- name: kube_pod_resource_request
+  help: Resources requested by workloads on the cluster, broken down by pod. This
+    shows the resource usage the scheduler and kubelet expect per pod for resources
+    along with the unit for the resource if any.
+  type: Custom
+  stabilityLevel: STABLE
+  labels:
+  - namespace
+  - pod
+  - node
+  - scheduler
+  - priority
+  - resource
+  - unit
 - name: framework_extension_point_duration_seconds
   subsystem: scheduler
   help: Latency for running all plugins of a specific extension point.