[web/task split] fix scale down bug (#1295)

- rename scale_down vars to the new deployments since the old one no longer exists
- rename postgres.yml scale down vars as it references the old ones as well

roles/installer/tasks/scale_down_deployment.yml

@@ -12,8 +12,11 @@
   kubernetes.core.k8s_scale:
     api_version: apps/v1
     kind: Deployment
-    name: "{{ ansible_operator_meta.name }}"
+    name: "{{ item }}"
     namespace: "{{ ansible_operator_meta.namespace }}"
     replicas: 0
     wait: yes
+  loop:
+    - "{{ ansible_operator_meta.name }}-task"
+    - "{{ ansible_operator_meta.name }}-web"
   when: this_deployment['resources'] | length

roles/restore/tasks/postgres.yml

@@ -50,7 +50,7 @@
   k8s_info:
     api_version: apps/v1
     kind: Deployment
-    name: "{{ deployment_name }}"
+    name: "{{ ansible_operator_meta.namespace }}-task"
     namespace: "{{ ansible_operator_meta.namespace }}"
   register: this_deployment
 
@@ -58,10 +58,13 @@
   k8s_scale:
     api_version: apps/v1
     kind: Deployment
-    name: "{{ deployment_name }}"
+    name: "{{ item }}"
     namespace: "{{ ansible_operator_meta.namespace }}"
     replicas: 0
     wait: yes
+  loop:
+    - "{{ ansible_operator_meta.name }}-task"
+    - "{{ ansible_operator_meta.name }}-web"
   when: this_deployment['resources'] | length
 
 - name: Set full resolvable host name for postgres pod