Run zookeeper installation for validate job

Depends-On: https://review.opendev.org/c/openstack/ansible-role-zookeeper/+/865449
Change-Id: I5da11b989dae712a1dac70358d5aee1274a0d00b

tests/roles/bootstrap-host/vars/main.yml

@@ -48,7 +48,7 @@ bootstrap_host_scenarios_expanded: |-
   {% if 'calico' in bootstrap_host_scenarios %}
   {%   set _ = scenario_list.extend(['etcd']) %}
   {% endif %}
-  {% if 'designate' in bootstrap_host_scenarios %}
+  {% if 'designate' in bootstrap_host_scenarios or ('validate' in bootstrap_host_scenarios and 'integrated' in bootstrap_host_scenarios) %}
   {%   set _ = scenario_list.extend(['zookeeper']) %}
   {% endif %}
   {% if 'ironic' in bootstrap_host_scenarios %}

zuul.d/jobs.yaml

@@ -273,6 +273,7 @@
       - ^playbooks\/healthcheck-infrastructure.yml
       - ^playbooks\/repo-install.yml
       - ^playbooks\/haproxy-install.yml
+      - ^playbooks\/zookeeper-install.yml
 
 # Running linters check
 - job:

zuul.d/playbooks/pre-gate-scenario.yml

@@ -48,6 +48,8 @@
           %}
           {%   elif zuul.project.short_name == 'ansible-hardening' %}
           {%     set role_service_name = 'hardening' %}
+          {%   elif zuul.project.short_name == 'openstack-ansible' %}
+          {%     set role_service_name = 'integrated' %}
           {%   endif %}
           {%   if role_service_name is defined %}
           {%     set _ = _scenario.append(role_service_name) %}
@@ -57,6 +59,9 @@
           {%     endif %}
           {%   endif %}
           {% endif %}
+          {% if zuul.job is match('^openstack-ansible-(deploy|upgrade)-([^-]+)-validate') %}
+          {%   set _ = _scenario.append('validate') %}
+          {% endif %}
           {# If running linters we need to provide name of the role as a scenario w/o splitting #}
           {% if zuul.job is match('^openstack-ansible-linters-.*$') %}
           {%   for prefix in ['openstack-ansible', 'ansible-role'] %}