Set condition to run os_tempest

This will avoid all the tasks under tempest.yml to be executed, since
those are only required when run os_tempest.

Related-Bug: #1911696
Change-Id: If546256da1e79d63c102590884e73db49c59e7ab

playbooks/baremetal-full-overcloud-validate.yml

@@ -44,6 +44,7 @@
       vars:
         tempest_install_method: distro
         tempest_cloud_name: 'overcloud'
+      when: use_os_tempest | default(true)
   environment:
     # Disable ssl waarnings
     CURL_CA_BUNDLE: ""

playbooks/multinode-standalone-upgrade.yml

@@ -106,6 +106,7 @@
     tempest_cidr: '192.168.24.0/24'
   tasks:
     - include_tasks: tasks/tempest.yml
+      when: use_os_tempest | default(true)
   environment:
     # Disable ssl warnings
     CURL_CA_BUNDLE: ""

playbooks/multinode-standalone.yml

@@ -68,6 +68,7 @@
     - include_tasks: tasks/tempest.yml
       when: job is undefined or (job is defined and
             job.featureset is defined and job.featureset != '056')
+            and use_os_tempest | default(true)
   environment:
     # Disable ssl warnings
     CURL_CA_BUNDLE: ""

playbooks/multinode-validate.yml

@@ -30,6 +30,7 @@
     tempest_cidr: '192.168.24.0/24'
   tasks:
     - include_tasks: tasks/tempest.yml
+      when: use_os_tempest | default(true)
   environment:
     # Disable ssl waarnings
     CURL_CA_BUNDLE: ""

playbooks/quickstart-extras-standalone.yml

@@ -58,6 +58,7 @@
     tempest_cloud_name: 'standalone'
   tasks:
     - include_tasks: tasks/tempest.yml
+      when: use_os_tempest | default(true)
   environment:
     # Disable ssl warnings
     CURL_CA_BUNDLE: ""

playbooks/quickstart-extras-validate.yml

@@ -25,6 +25,7 @@
       vars:
         tempest_install_method: distro
         tempest_cloud_name: 'overcloud'
+      when: use_os_tempest | default(true)
   environment:
     # Disable ssl waarnings
     CURL_CA_BUNDLE: ""