Framework for running Probes in ClusterLoader2

Probes definition can be found in kubernetes#474

The feature is guarded by the enable-probes flag, will be enabling it gradually.

Ref. kubernetes/kubernetes#76012

clusterloader2/cmd/clusterloader.go

@@ -35,6 +35,7 @@ import (
 	"k8s.io/perf-tests/clusterloader2/pkg/util"
 
 	_ "k8s.io/perf-tests/clusterloader2/pkg/measurement/common/bundle"
+	_ "k8s.io/perf-tests/clusterloader2/pkg/measurement/common/probes"
 	_ "k8s.io/perf-tests/clusterloader2/pkg/measurement/common/simple"
 	_ "k8s.io/perf-tests/clusterloader2/pkg/measurement/common/slos"
 )

clusterloader2/pkg/measurement/common/probes/manifests/ping-client-deployment.yaml

@@ -0,0 +1,30 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ping-client
+  labels:
+    probe: ping-client
+spec:
+  selector:
+    matchLabels:
+      probe: ping-client
+  replicas: {{.Replicas}}
+  template:
+    metadata:
+      labels:
+        probe: ping-client
+    spec:
+      containers:
+        - name: ping-client
+          image: gcr.io/k8s-testimages/probes:v0.0.1
+          args:
+            - --metric-bind-address=0.0.0.0:8080
+            - --mode=ping-client
+            - --ping-server-address=ping-server:8081
+          resources:
+            limits:
+              cpu: 100m
+              memory: 100Mi
+          ports:
+            - containerPort: 8080
+              name: metrics

clusterloader2/pkg/measurement/common/probes/manifests/ping-client-service.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: ping-client
+  labels:
+    probe: ping-client
+spec:
+  ports:
+    - name: metrics
+      port: 8080
+  selector:
+    probe: ping-client

clusterloader2/pkg/measurement/common/probes/manifests/ping-client-serviceMonitor.yaml

@@ -0,0 +1,15 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: ping-client
+  namespace: probes
+spec:
+  endpoints:
+    - interval: 30s
+      port: metrics
+  namespaceSelector:
+    matchNames:
+      - probes
+  selector:
+    matchLabels:
+      probe: ping-client

clusterloader2/pkg/measurement/common/probes/manifests/ping-server-deployment.yaml

@@ -0,0 +1,32 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ping-server
+  labels:
+    probe: ping-server
+spec:
+  selector:
+    matchLabels:
+      probe: ping-server
+  replicas: {{.Replicas}}
+  template:
+    metadata:
+      labels:
+        probe: ping-server
+    spec:
+      containers:
+        - name: ping-server
+          image: gcr.io/k8s-testimages/probes:v0.0.1
+          args:
+            - --metric-bind-address=0.0.0.0:8080
+            - --mode=ping-server
+            - --ping-server-bind-address=0.0.0.0:8081
+          resources:
+            limits:
+              cpu: 100m
+              memory: 100Mi
+          ports:
+            - containerPort: 8080
+              name: metrics
+            - containerPort: 8081
+              name: http

clusterloader2/pkg/measurement/common/probes/manifests/ping-server-service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: ping-server
+  labels:
+    probe: ping-server
+spec:
+
+  ports:
+    - name: metrics
+      port: 8080
+    - name: http
+      port: 8081
+  selector:
+    probe: ping-server

clusterloader2/pkg/measurement/common/probes/manifests/ping-server-serviceMonitor.yaml

@@ -0,0 +1,15 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: ping-server
+  namespace: probes
+spec:
+  endpoints:
+    - interval: 30s
+      port: metrics
+  namespaceSelector:
+    matchNames:
+      - probes
+  selector:
+    matchLabels:
+      probe: ping-server

clusterloader2/pkg/measurement/common/probes/manifests/prometheus-role.yaml

@@ -0,0 +1,16 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: prometheus-k8s
+  namespace: probes
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - services
+      - endpoints
+      - pods
+    verbs:
+      - get
+      - list
+      - watch

clusterloader2/pkg/measurement/common/probes/manifests/prometheus-roleBinding.yaml

@@ -0,0 +1,13 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: prometheus-k8s
+  namespace: probes
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: prometheus-k8s
+subjects:
+  - kind: ServiceAccount
+    name: prometheus-k8s
+    namespace: monitoring