diff --git a/ansible/roles/haproxy/tasks/precheck.yml b/ansible/roles/haproxy/tasks/precheck.yml
index 50e252a32f..c48d3ed0e5 100644
--- a/ansible/roles/haproxy/tasks/precheck.yml
+++ b/ansible/roles/haproxy/tasks/precheck.yml
@@ -102,7 +102,7 @@
   when:
     - enable_aodh | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'aodh_api' not in haproxy_stat }}"
+    - haproxy_stat.find('aodh_api') == -1
 
 - name: Checking free port for Barbican API HAProxy
   wait_for:
@@ -114,7 +114,7 @@
   when:
     - enable_barbican | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'barbican_api' not in haproxy_stat }}"
+    - haproxy_stat.find('barbican_api') == -1
 
 - name: Checking free port for Ceilometer API HAProxy
   wait_for:
@@ -126,7 +126,7 @@
   when:
     - enable_ceilometer | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'ceilometer_api' not in haproxy_stat }}"
+    - haproxy_stat.find('ceilometer_api') == -1
 
 - name: Checking free port for Cinder API HAProxy
   wait_for:
@@ -138,7 +138,7 @@
   when:
     - enable_cinder | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'cinder_api' not in haproxy_stat }}"
+    - haproxy_stat.find('cinder_api') == -1
 
 - name: Checking free port for Cloudkitty API HAProxy
   wait_for:
@@ -150,7 +150,7 @@
   when:
     - enable_cloudkitty | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'cloudkitty_api' not in haproxy_stat }}"
+    - haproxy_stat.find('cloudkitty_api') == -1
 
 - name: Checking free port for Congress API HAProxy
   wait_for:
@@ -162,7 +162,7 @@
   when:
     - enable_congress | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'congress_api' not in haproxy_stat }}"
+    - haproxy_stat.find('congress_api') == -1
 
 - name: Checking free port for Designate API HAProxy
   wait_for:
@@ -174,7 +174,7 @@
   when:
     - enable_designate | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'designate_api' not in haproxy_stat }}"
+    - haproxy_stat.find('designate_api') == -1
 
 - name: Checking free port for Elasticsearch HAProxy
   wait_for:
@@ -186,7 +186,7 @@
   when:
     - enable_elasticsearch | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'elasticsearch' not in haproxy_stat }}"
+    - haproxy_stat.find('elasticsearch') == -1
 
 - name: Checking free port for Glance API HAProxy
   wait_for:
@@ -198,7 +198,7 @@
   when:
     - enable_glance | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'glance_api' not in haproxy_stat }}"
+    - haproxy_stat.find('glance_api') == -1
 
 - name: Checking free port for Glance Registry HAProxy
   wait_for:
@@ -210,7 +210,7 @@
   when:
     - enable_glance | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'glance_registry' not in haproxy_stat }}"
+    - haproxy_stat.find('glance_registry') == -1
 
 - name: Checking free port for Gnocchi API HAProxy
   wait_for:
@@ -222,7 +222,7 @@
   when:
     - enable_gnocchi | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'gnocchi_api' not in haproxy_stat }}"
+    - haproxy_stat.find('gnocchi_api') == -1
 
 - name: Checking free port for Freezer API HAProxy
   wait_for:
@@ -233,7 +233,7 @@
     state: stopped
   when:
     - enable_freezer | bool
-    - "{{ 'freezer_api' not in haproxy_stat }}"
+    - haproxy_stat.find('freezer_api') == -1
     - inventory_hostname in groups['haproxy']
 
 - name: Checking free port for Grafana server HAProxy
@@ -246,7 +246,7 @@
   when:
     - enable_grafana | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'grafana_server' not in haproxy_stat }}"
+    - haproxy_stat.find('grafana_server') == -1
 
 - name: Checking free port for Heat API HAProxy
   wait_for:
@@ -258,7 +258,7 @@
   when:
     - enable_heat | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'heat_api' not in haproxy_stat }}"
+    - haproxy_stat.find('heat_api') == -1
 
 - name: Checking free port for Heat API CFN HAProxy
   wait_for:
@@ -270,7 +270,7 @@
   when:
     - enable_heat | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'heat_api_cfn' not in haproxy_stat }}"
+    - haproxy_stat.find('heat_api_cfn') == -1
 
 - name: Checking free port for Horizon HAProxy
   wait_for:
@@ -282,7 +282,7 @@
   when:
     - enable_horizon | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'horizon' not in haproxy_stat }}"
+    - haproxy_stat.find('horizon') == -1
 
 - name: Checking free port for Ironic API HAProxy
   wait_for:
@@ -294,7 +294,7 @@
   when:
     - enable_ironic | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'ironic_api' not in haproxy_stat }}"
+    - haproxy_stat.find('ironic_api') == -1
 
 - name: Checking free port for Ironic Inspector HAProxy
   wait_for:
@@ -306,7 +306,7 @@
   when:
     - enable_ironic | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'ironic_inspector' not in haproxy_stat }}"
+    - haproxy_stat.find('ironic_inspector') == -1
 
 - name: Checking free port for Karbor Admin HAProxy
   wait_for:
@@ -318,7 +318,7 @@
   when:
     - enable_karbor | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'karbor_api' not in haproxy_stat }}"
+    - haproxy_stat.find('karbor_api') == -1
 
 - name: Checking free port for Keystone Admin HAProxy
   wait_for:
@@ -330,7 +330,7 @@
   when:
     - enable_keystone | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'keystone_admin' not in haproxy_stat }}"
+    - haproxy_stat.find('keystone_admin') == -1
 
 - name: Checking free port for Keystone Internal HAProxy
   wait_for:
@@ -342,7 +342,7 @@
   when:
     - enable_keystone | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'keystone_internal' not in haproxy_stat }}"
+    - haproxy_stat.find('keystone_internal') == -1
 
 - name: Checking free port for Keystone Public HAProxy
   wait_for:
@@ -355,7 +355,7 @@
     - haproxy_enable_external_vip | bool
     - enable_keystone | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'keystone_external' not in haproxy_stat }}"
+    - haproxy_stat.find('keystone_external') == -1
 
 - name: Checking free port for Kibana HAProxy
   wait_for:
@@ -367,7 +367,7 @@
   when:
     - enable_kibana | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'kibana' not in haproxy_stat }}"
+    - haproxy_stat.find('kibana') == -1
 
 - name: Checking free port for Magnum API HAProxy
   wait_for:
@@ -379,7 +379,7 @@
   when:
     - enable_magnum | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'magnum_api' not in haproxy_stat }}"
+    - haproxy_stat.find('magnum_api') == -1
 
 - name: Checking free port for Manila API HAProxy
   wait_for:
@@ -391,7 +391,7 @@
   when:
     - enable_manila | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'manila_api' not in haproxy_stat }}"
+    - haproxy_stat.find('manila_api') == -1
 
 - name: Checking free port for MariaDB HAProxy
   wait_for:
@@ -403,7 +403,7 @@
   when:
     - enable_mariadb | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'mariadb' not in haproxy_stat }}"
+    - haproxy_stat.find('mariadb') == -1
 
 - name: Checking free port for Mistral API HAProxy
   wait_for:
@@ -415,7 +415,7 @@
   when:
     - enable_mistral | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'mistral_api' not in haproxy_stat }}"
+    - haproxy_stat.find('mistral_api') == -1
 
 - name: Checking free port for Mongodb HAProxy
   wait_for:
@@ -427,7 +427,7 @@
   when:
     - enable_mongodb | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'mongodb' not in haproxy_stat }}"
+    - haproxy_stat.find('mongodb') == -1
 
 - name: Checking free port for Murano API HAProxy
   wait_for:
@@ -439,7 +439,7 @@
   when:
     - enable_murano | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'murano_api' not in haproxy_stat }}"
+    - haproxy_stat.find('murano_api') == -1
 
 - name: Checking free port for Neutron Server HAProxy
   wait_for:
@@ -451,7 +451,7 @@
   when:
     - enable_neutron | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'neutron_server' not in haproxy_stat }}"
+    - haproxy_stat.find('neutron_server') == -1
 
 - name: Checking free port for Nova API HAProxy
   wait_for:
@@ -463,7 +463,7 @@
   when:
     - enable_nova | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'nova_api' not in haproxy_stat }}"
+    - haproxy_stat.find('nova_api') == -1
 
 - name: Checking free port for Nova Metadata HAProxy
   wait_for:
@@ -475,7 +475,7 @@
   when:
     - enable_nova | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'nova_metadata' not in haproxy_stat }}"
+    - haproxy_stat.find('nova_metadata') == -1
 
 - name: Checking free port for Nova NoVNC HAProxy
   wait_for:
@@ -488,7 +488,7 @@
     - enable_nova | bool
     - nova_console == 'novnc'
     - inventory_hostname in groups['haproxy']
-    - "{{ 'nova_novncproxy' not in haproxy_stat }}"
+    - haproxy_stat.find('nova_novncproxy') == -1
 
 - name: Checking free port for Nova Serial Proxy HAProxy
   wait_for:
@@ -499,7 +499,7 @@
     state: stopped
   when:
     - enable_nova | bool
-    - "{{ 'nova_serialconsole_proxy' not in haproxy_stat }}"
+    - haproxy_stat.find('nova_serialconsole_proxy') == -1
     - enable_nova_serialconsole_proxy | bool
     - inventory_hostname in groups['haproxy']
 
@@ -514,7 +514,7 @@
     - enable_nova | bool
     - nova_console == 'spice'
     - inventory_hostname in groups['haproxy']
-    - "{{ 'nova_spicehtml5proxy' not in haproxy_stat }}"
+    - haproxy_stat.find('nova_spicehtml5proxy') == -1
 
 - name: Checking free port for Nova Placement API HAProxy
   wait_for:
@@ -526,7 +526,7 @@
   when:
     - enable_nova | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'placement_api' not in haproxy_stat }}"
+    - haproxy_stat.find('placement_api') == -1
 
 - name: Checking free port for Octavia API HAProxy
   wait_for:
@@ -538,7 +538,7 @@
   when:
     - enable_octavia | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'octavia_api' not in haproxy_stat }}"
+    - haproxy_stat.find('octavia_api') == -1
 
 - name: Checking free port for Panko API HAProxy
   wait_for:
@@ -550,7 +550,7 @@
   when:
     - enable_panko | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'panko_api' not in haproxy_stat }}"
+    - haproxy_stat.find('panko_api') == -1
 
 - name: Checking free port for RabbitMQ Management HAProxy
   wait_for:
@@ -562,7 +562,7 @@
   when:
     - enable_rabbitmq | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'rabbitmq_management' not in haproxy_stat }}"
+    - haproxy_stat.find('rabbitmq_management') == -1
 
 - name: Checking free port for RadosGW HAProxy
   wait_for:
@@ -574,7 +574,7 @@
   when:
     - enable_ceph_rgw | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'radosgw' not in haproxy_stat }}"
+    - haproxy_stat.find('radosgw') == -1
 
 - name: Checking free port for Sahara API HAProxy
   wait_for:
@@ -586,7 +586,7 @@
   when:
     - enable_sahara | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'sahara_api' not in haproxy_stat }}"
+    - haproxy_stat.find('sahara_api') == -1
 
 - name: Checking free port for Searchlight API HAProxy
   wait_for:
@@ -598,7 +598,7 @@
   when:
     - enable_searchlight | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'searchlight_api' not in haproxy_stat }}"
+    - haproxy_stat.find('searchlight_api') == -1
 
 - name: Checking free port for Senlin API HAProxy
   wait_for:
@@ -610,7 +610,7 @@
   when:
     - enable_senlin | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'senlin_api' not in haproxy_stat }}"
+    - haproxy_stat.find('senlin_api') == -1
 
 - name: Checking free port for Solum Application Deployment HAProxy
   wait_for:
@@ -622,7 +622,7 @@
   when:
     - enable_solum | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'solum_application_deployment' not in haproxy_stat }}"
+    - haproxy_stat.find('solum_application_deployment') == -1
 
 - name: Checking free port for Solum Image Builder HAProxy
   wait_for:
@@ -634,7 +634,7 @@
   when:
     - enable_solum | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'solum_image_builder' not in haproxy_stat }}"
+    - haproxy_stat.find('solum_image_builder') == -1
 
 - name: Checking free port for Swift Proxy Server HAProxy
   wait_for:
@@ -646,7 +646,7 @@
   when:
     - enable_swift | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'swift_api' not in haproxy_stat }}"
+    - haproxy_stat.find('swift_api') == -1
 
 - name: Checking free port for Tacker Server HAProxy
   wait_for:
@@ -658,7 +658,7 @@
   when:
     - enable_tacker | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'tacker_server' not in haproxy_stat }}"
+    - haproxy_stat.find('tacker_server') == -1
 
 - name: Checking free port for Trove API HAProxy
   wait_for:
@@ -670,7 +670,7 @@
   when:
     - enable_trove | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'trove_api' not in haproxy_stat }}"
+    - haproxy_stat.find('trove_api') == -1
 
 - name: Checking free port for Watcher API HAProxy
   wait_for:
@@ -682,7 +682,7 @@
   when:
     - enable_watcher | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'watcher_api' not in haproxy_stat }}"
+    - haproxy_stat.find('watcher_api') == -1
 
 - name: Checking free port for Zun API HAProxy
   wait_for:
@@ -694,4 +694,4 @@
   when:
     - enable_zun | bool
     - inventory_hostname in groups['haproxy']
-    - "{{ 'zun_api' not in haproxy_stat }}"
+    - haproxy_stat.find('zun_api') == -1