diff --git a/ansible/roles/kolla-openstack/.yamllint b/ansible/roles/kolla-openstack/.yamllint
index 3a2255e46..a4d53d6c4 100644
--- a/ansible/roles/kolla-openstack/.yamllint
+++ b/ansible/roles/kolla-openstack/.yamllint
@@ -8,6 +8,3 @@ rules:
     max-spaces-inside: 1
     level: error
   line-length: disable
-  # NOTE(retr0h): Templates no longer fail this lint rule.
-  #               Uncomment if running old Molecule templates.
-  # truthy: disable
diff --git a/ansible/roles/kolla-openstack/molecule/enable-everything/molecule.yml b/ansible/roles/kolla-openstack/molecule/enable-everything/molecule.yml
index 7df698bcd..e15854a23 100644
--- a/ansible/roles/kolla-openstack/molecule/enable-everything/molecule.yml
+++ b/ansible/roles/kolla-openstack/molecule/enable-everything/molecule.yml
@@ -14,36 +14,36 @@ provisioner:
     group_vars:
       all:
         kolla_extra_config_path:
-        kolla_enable_ceph: True
+        kolla_enable_ceph: true
         kolla_extra_ceph: |
           [extra-ceph.conf]
           foo=bar
-        kolla_enable_cinder: True
+        kolla_enable_cinder: true
         kolla_extra_cinder: |
           [extra-cinder.conf]
           foo=bar
-        kolla_enable_designate: True
+        kolla_enable_designate: true
         kolla_extra_designate: |
           [extra-designate.conf]
           foo=bar
-        kolla_enable_glance: True
+        kolla_enable_glance: true
         kolla_extra_glance: |
           [extra-glance.conf]
           foo=bar
-        kolla_enable_grafana: True
+        kolla_enable_grafana: true
         kolla_extra_grafana: |
           [extra-grafana.ini]
           foo=bar
-        kolla_enable_heat: True
+        kolla_enable_heat: true
         kolla_extra_heat: |
           [extra-heat.conf]
           foo=bar
-        kolla_enable_horizon: True
-        kolla_enable_influxdb: True
+        kolla_enable_horizon: true
+        kolla_enable_influxdb: true
         kolla_extra_influxdb: |
           [extra-influxdb.conf]
           foo=bar
-        kolla_enable_ironic: True
+        kolla_enable_ironic: true
         kolla_extra_ironic: |
           [extra-ironic.conf]
           foo=bar
@@ -54,37 +54,37 @@ provisioner:
         kolla_inspector_ipa_ramdisk_path: ${MOLECULE_TEMP_PATH:-/tmp}/ironic-agent.initramfs
         kolla_extra_ironic_dnsmasq: |
           extra=bar
-        kolla_enable_kafka: True
+        kolla_enable_kafka: true
         kolla_extra_kafka: |
           [extra-kafka.server.properties]
           foo=bar
-        kolla_enable_magnum: True
+        kolla_enable_magnum: true
         kolla_extra_magnum: |
           [extra-magnum.conf]
           foo=bar
-        kolla_enable_manila: True
-        kolla_enable_murano: True
-        kolla_enable_monasca: True
+        kolla_enable_manila: true
+        kolla_enable_murano: true
+        kolla_enable_monasca: true
         kolla_extra_murano: |
           [extra-murano.conf]
           foo=bar
-        kolla_enable_neutron: True
+        kolla_enable_neutron: true
         kolla_extra_neutron: |
           [extra-neutron.conf]
           foo=bar
         kolla_extra_neutron_ml2: |
           [extra-ml2_conf.ini]
           foo=bar
-        kolla_enable_nova: True
+        kolla_enable_nova: true
         kolla_extra_nova: |
           [extra-nova.conf]
           foo=bar
-        kolla_enable_sahara: True
+        kolla_enable_sahara: true
         kolla_extra_sahara: |
           [extra-sahara.conf]
           foo=bar
-        kolla_enable_swift: True
-        kolla_enable_zookeeper: True
+        kolla_enable_swift: true
+        kolla_enable_zookeeper: true
         kolla_extra_zookeeper: |
           [extra-zookeeper.cfg]
           foo=bar
diff --git a/ansible/roles/kolla-openstack/molecule/enable-everything/prepare.yml b/ansible/roles/kolla-openstack/molecule/enable-everything/prepare.yml
index b1ed8776d..d78cc6940 100644
--- a/ansible/roles/kolla-openstack/molecule/enable-everything/prepare.yml
+++ b/ansible/roles/kolla-openstack/molecule/enable-everything/prepare.yml
@@ -8,7 +8,7 @@
         module: file
         path: "{{ item | dirname }}"
         state: directory
-        recurse: True
+        recurse: true
       with_items:
         - "{{ kolla_inspector_ipa_kernel_path }}"
         - "{{ kolla_inspector_ipa_ramdisk_path }}"
diff --git a/ansible/roles/kolla-openstack/tasks/config.yml b/ansible/roles/kolla-openstack/tasks/config.yml
index c30c1bdae..2b2761e97 100644
--- a/ansible/roles/kolla-openstack/tasks/config.yml
+++ b/ansible/roles/kolla-openstack/tasks/config.yml
@@ -67,7 +67,7 @@
   find:
     path: "{{ item.src }}"
     patterns: "{{ item.patterns }}"
-    recurse: yes
+    recurse: true
   with_items: "{{ kolla_openstack_custom_config }}"
   register: find_src_result
 
@@ -86,7 +86,7 @@
   with_subelements:
     - "{{ find_src_result.results }}"
     - files
-    - skip_missing: True
+    - skip_missing: true
   when:
     - item.0.item.enabled | bool
     - item.1.path | basename not in item.0.item.ignore | default([])
@@ -98,7 +98,7 @@
   with_subelements:
     - "{{ find_dest_result.results }}"
     - files
-    - skip_missing: True
+    - skip_missing: true
   when:
     - not item.0.item.enabled or
       item.1.path | basename not in src_files
diff --git a/ansible/roles/kolla-openstack/vars/main.yml b/ansible/roles/kolla-openstack/vars/main.yml
index db4e02e56..0dcb634d5 100644
--- a/ansible/roles/kolla-openstack/vars/main.yml
+++ b/ansible/roles/kolla-openstack/vars/main.yml
@@ -28,12 +28,12 @@ kolla_openstack_custom_config:
   - src: "{{ kolla_extra_config_path }}//fluentd/filter"
     dest: "{{ kolla_node_custom_config_path }}/fluentd/filter"
     patterns: "*.conf"
-    enabled: True
+    enabled: true
   # Fluentd outputs.
   - src: "{{ kolla_extra_config_path }}/fluentd/output"
     dest: "{{ kolla_node_custom_config_path }}/fluentd/output"
     patterns: "*.conf"
-    enabled: True
+    enabled: true
   # Glance.
   - src: "{{ kolla_extra_config_path }}/glance"
     dest: "{{ kolla_node_custom_config_path }}/glance"
@@ -79,7 +79,7 @@ kolla_openstack_custom_config:
   - src: "{{ kolla_extra_config_path }}/keystone"
     dest: "{{ kolla_node_custom_config_path }}/keystone"
     patterns: "*"
-    enabled: True
+    enabled: true
   # Magnum.
   - src: "{{ kolla_extra_config_path }}/magnum"
     dest: "{{ kolla_node_custom_config_path }}/magnum"