Allow skipping GCP availability zones validation (#150)

Signed-off-by: Jesus Perez Rey <jprey@bluemetrix.com>

Author: chusopr

roles/platform/defaults/main.yml

@@ -176,6 +176,7 @@ plat__gcp_log_role_perms:                     "{{ env.gcp.bindings.logs | defaul
 
 plat__gcp_manage_identities:                  "{{ env.gcp.manage_identities | default(true) }}"
 plat__gcp_enable_services:                    "{{ env.gcp.auto_enable_services | default(true) }}"
+plat__gcp_check_availability_zones:           "{{ infra.gcp.check_availability_zones | default(true) }}"
 
 # Azure
 plat__azure_app_suffix:                       "{{ env.azure.app.suffix | default(common__app_suffix) }}"

roles/platform/tasks/initialize_setup_gcp.yml

@@ -15,6 +15,9 @@
 # limitations under the License.
 
 - name: Discover available zones for GCP region
+  when:
+    - plat__gcp_check_availability_zones
+    - plat__gcp_availability_zones | length > 0
   block:
     - name: Fetch list of availability zones filtered by region
       ansible.builtin.command: >
@@ -26,7 +29,6 @@
         plat__gcp_availability_zones_discovered: "{{ __gcp_availability_zones_info.stdout | from_json | map(attribute='name') | list }}"
 
     - name: Confirm availability zone access for CDP Environment
-      when: plat__gcp_availability_zones | length > 0
       ansible.builtin.assert:
         that:
           - plat__gcp_availability_zones is subset(plat__gcp_availability_zones_discovered)