add option to start and stop collectd for rhoso environment

Change-Id: Ic7f5aea595e4b8ce62bee5b3c3ddd26c41e73719

ansible/install/start-collectd-rhoso.yml

@@ -0,0 +1,20 @@
+- hosts: localhost
+  tasks:
+    - block:
+        - name: check if collectd already deployed using statefulset
+          shell: |
+            oc -n ospperf get statefulset osp-controlplane-collectd
+          register: is_statefulset_exist
+          ignore_errors: true
+
+        - name: get number of worker nodes
+          shell: |
+            oc get nodes -l node-role.kubernetes.io/worker --no-headers | wc -l
+          register: worker_node_count
+
+        - name: scale the collectd containers
+          shell: |
+            oc -n ospperf scale statefulset osp-controlplane-collectd --replicas={{ worker_node_count.stdout }}
+          when: is_statefulset_exist.rc == 0
+      environment:
+        KUBECONFIG: "{{ kubeconfig_path }}"

ansible/install/start-collectd.yml

@@ -1,11 +1,18 @@
 ---
-- name: set fact collectd_container
-  import_playbook: pre-collectd.yml
+- name: start collectd for osp <= 17
+  block:
+    - name: set fact collectd_container
+      import_playbook: pre-collectd.yml
 
-- name: Start containerized collectd (Stein and greater recommended)
-  import_playbook: start-collectd-container.yml
-  when: hostvars['undercloud']['collectd_container']
+    - name: Start containerized collectd (Stein and greater recommended)
+      import_playbook: start-collectd-container.yml
+      when: hostvars['undercloud']['collectd_container']
 
-- name: Start collectd installed through RPMs
-  import_playbook: start-collectd-baremetal.yml
-  when: not hostvars['undercloud']['collectd_container']
+    - name: Start collectd installed through RPMs
+      import_playbook: start-collectd-baremetal.yml
+      when: not hostvars['undercloud']['collectd_container']
+  when: not is_rhoso_deployment
+
+- name: Start collectd on RHOSO OCP workers
+  import_playbook: start-collectd-rhoso.yml
+  when: is_rhoso_deployment

ansible/install/stop-collectd-rhoso.yml

@@ -0,0 +1,8 @@
+- hosts: localhost
+  tasks:
+    - name: stop collectd on OCP nodes.
+      shell: |
+        oc scale -n ospperf statefulset osp-controlplane-collectd --replicas=0
+      environment:
+        KUBECONFIG: "{{ kubeconfig_path }}"
+      ignore_errors: yes

ansible/install/stop-collectd.yml

@@ -1,11 +1,18 @@
 ---
-- name: set fact collectd_container
-  import_playbook: pre-collectd.yml
+- name: stop collectd on osp <= 17
+  block:
+    - name: set fact collectd_container
+      import_playbook: pre-collectd.yml
 
-- name: Run containerized collectd (Stein and greater recommended)
-  import_playbook: stop-collectd-container.yml
-  when: hostvars['undercloud']['collectd_container']
+    - name: Run containerized collectd (Stein and greater recommended)
+      import_playbook: stop-collectd-container.yml
+      when: hostvars['undercloud']['collectd_container']
 
-- name: Run collectd installed through RPMs
-  import_playbook: stop-collectd-baremetal.yml
-  when: not hostvars['undercloud']['collectd_container']
+    - name: Run collectd installed through RPMs
+      import_playbook: stop-collectd-baremetal.yml
+      when: not hostvars['undercloud']['collectd_container']
+  when: not is_rhoso_deployment
+
+- name: stop collectd on RHOSO ocp workers
+  import_playbook: stop-collectd-rhoso.yml
+  when: is_rhoso_deployment