Add monitor resources creation to forklift operator

Signed-off-by: Bella Khizgiyaev <[email protected]>

operator/config/rbac/leader_election_role.yaml

@@ -15,6 +15,7 @@ rules:
   - events
   - configmaps
   - secrets
+  - namespaces
   verbs:
   - '*'
 - apiGroups:
@@ -39,6 +40,10 @@ rules:
   verbs:
   - get
   - create
+  - update
+  - patch
+  - list
+  - watch
 - apiGroups:
   - apps.openshift.io
   resources:

operator/config/rbac/role.yaml

@@ -4,6 +4,13 @@ kind: ClusterRole
 metadata:
   name: manager-role
 rules:
+- apiGroups:
+  - ''
+  resources:
+  - namespaces
+  verbs:
+  - list
+  - watch
 - apiGroups:
   - config.openshift.io
   resources:

operator/roles/forkliftcontroller/defaults/main.yml

@@ -112,3 +112,8 @@ virt_v2v_warm_image_fqin: "{{ lookup( 'env', 'VIRT_V2V_WARM_IMAGE') or lookup( '
 virt_v2v_dont_request_kvm: "{{ lookup( 'env', 'VIRT_V2V_DONT_REQUEST_KVM') }}"
 
 ova_provider_server_fqin: "{{ lookup( 'env', 'OVA_PROVIDER_SERVER_IMAGE') or lookup( 'env', 'RELATED_IMAGE_OVA_PROVIDER_SERVER') }}"
+
+metric_service_name: "{{ app_name }}-metrics"
+metric_servicemonitor_name: "{{ app_name }}-metrics"
+metric_interval: "30s"
+metric_port_name: "metrics"

operator/roles/forkliftcontroller/tasks/main.yml

@@ -79,6 +79,29 @@
       definition: "{{ lookup('template', 'controller/controller-scc.yml.j2') }}"
     when: not k8s_cluster|bool
 
+  - when: not k8s_cluster|bool
+    block:
+    - name: "Setup metrics service"
+      k8s:
+        state: present
+        definition: "{{ lookup('template', 'monitor/service-metrics.yml.j2') }}"
+
+    - name: "Setup metrics service monitor"
+      k8s:
+        state: present
+        definition: "{{ lookup('template', 'monitor/servicemonitor-metrics.yml.j2') }}"
+
+    - name: "Add monitoring label to namespace"
+      k8s:
+        state: present
+        definition:
+          apiVersion: v1
+          kind: Namespace
+          metadata:
+            name: "{{ app_namespace }}"
+            labels:
+              openshift.io/cluster-monitoring: "true"
+
   - when: feature_volume_populator|bool
     block:
     - name: "Setup populator controller deployment"

operator/roles/forkliftcontroller/templates/controller/deployment-controller.yml.j2

@@ -21,6 +21,7 @@ spec:
         app: {{ app_name }}
         control-plane: controller-manager
         controller-tools.k8s.io: "1.0"
+        prometheus.forklift.konveyor.io: "true" 
       annotations:
         configHash: "{{ (inventory_volume_path | string) }}"
     spec:

operator/roles/forkliftcontroller/templates/monitor/service-metrics.yml.j2

@@ -0,0 +1,22 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: {{ app_name }}
+    service: {{ metric_service_name }}
+    prometheus.forklift.konveyor.io: "true"
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"
+  name: {{ metric_service_name }}
+  namespace: {{ app_namespace }}
+spec:
+  ports:
+  - name: {{ metric_port_name }}
+    port: 2112
+    targetPort: 2112
+    protocol: TCP
+  selector:
+    app: {{ app_name }}
+    prometheus.forklift.konveyor.io: "true"
+    controller-tools.k8s.io: "1.0"

operator/roles/forkliftcontroller/templates/monitor/servicemonitor-metrics.yml.j2

@@ -0,0 +1,21 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ metric_servicemonitor_name }}
+  namespace: {{ app_namespace }}
+  labels:
+    app: {{ app_name }}
+    prometheus.forklift.konveyor.io: "true"
+    control-plane: controller-manager
+spec:
+  endpoints:
+    - interval: {{ metric_interval }}
+      port: {{ metric_port_name }}
+  namespaceSelector:
+    matchNames:
+      - {{ app_namespace }}
+  selector:
+    matchLabels:
+      app: {{ app_name }}
+      prometheus.forklift.konveyor.io: "true"