Code cleanup.

defaults/main.yml

@@ -1,11 +1,11 @@
 ---
-docker_install: True
+docker_install: true
 # Swarm
-docker_swarm: False
+docker_swarm: false
-docker_swarm_manager: False
+docker_swarm_manager: false
 docker_swarm_manager_availability: 'drain'
 docker_swarm_manager_advertise_address: '{{ ansible_default_ipv4.address }}'
-docker_swarm_node: False
+docker_swarm_node: false
 docker_swarm_node_availability: 'active'
 docker_swarm_node_advertise_address: '{{ ansible_default_ipv4.address }}'
 docker_swarm_worker_hostname: '{{ ansible_fqdn }}'
@@ -16,27 +16,27 @@ docker_swarm_allowed_hosts:
 docker_swarm_manager_main_node_hostname: localhost
 docker_swarm_manager_main_node_address: 127.0.0.1
 # Set this on one of the masters
-docker_swarm_manager_main_node: False
+docker_swarm_manager_main_node: false
 
-docker_run_as_docker_user: True
+docker_run_as_docker_user: true
 docker_user_home: /home/docker
 docker_defaults_file: /etc/default/docker
-docker_enable_tcp_socket: False
+docker_enable_tcp_socket: false
 docker_tcp_socket_port: 2375
-docker_tls_api: True
+docker_tls_api: true
-docker_tls_native_tls: True
+docker_tls_native_tls: true
 # Set the following to the your ca and certificates path if native_tls is False
 docker_tls_ca: '/var/lib/docker/swarm/certificates/swarm-root-ca.crt'
 docker_tls_cert: '/var/lib/docker/swarm/certificates/swarm-node.crt'
 docker_tls_key: '/var/lib/docker/swarm/certificates/swarm-node.key'
 #
-docker_tls_verify_clients: True
+docker_tls_verify_clients: true
-docker_enable_api_port: True
+docker_enable_api_port: true
 docker_api_port: 2376
 docker_tcp_socket_host: 127.0.0.1
-docker_log_to_journal: True
+docker_log_to_journal: true
-docker_daemon_debug: False
+docker_daemon_debug: false
-docker_prometheus_metrics: True
+docker_prometheus_metrics: true
 docker_prometheus_host: 127.0.0.1
 docker_prometheus_metrics_port: 9323
 
@@ -48,4 +48,3 @@ docker_prometheus_metrics_port: 9323
 docker_label_state_mode: merge
 docker_node_labels: []
 #  - { key: 'key_name', value: 'label_value' }
-

tasks/docker_setup.yml

@@ -5,39 +5,44 @@
       template: src=docker-default.j2 dest={{ docker_defaults_file }} owner=root group=root mode=0644
       when: ansible_service_mgr != 'systemd'
       notify: Restart docker
-      tags: [ 'docker', 'docker_conf' ]
+      tags: ['docker', 'docker_conf']
 
     - name: Install the Docker daemon config
       template: src=daemon.json.j2 dest=/etc/docker/daemon.json owner=root group=root mode=0644
       notify: Restart docker
-      tags: [ 'docker', 'docker_conf' ]
+      tags: ['docker', 'docker_conf']
 
     - name: Create the docker service systemd directory
       file: dest=/etc/systemd/system/docker.service.d state=directory mode=0755
       when: ansible_service_mgr == 'systemd'
-      tags: [ 'docker', 'docker_systemd', 'docker_conf' ]
+      tags: ['docker', 'docker_systemd', 'docker_conf']
 
     - name: Install the Docker additional systemd unit
-      template: src=docker-systemd-override.conf.j2 dest=/etc/systemd/system/docker.service.d/override.conf owner=root group=root mode=0644
+      template:
+        src: docker-systemd-override.conf.j2
+        dest: /etc/systemd/system/docker.service.d/override.conf
+        owner: root
+        group: root
+        mode: 0644
       when: ansible_service_mgr == 'systemd'
       notify: Restart docker
       register: reload_systemd
-      tags: [ 'docker', 'docker_systemd', 'docker_conf' ]
+      tags: ['docker', 'docker_systemd', 'docker_conf']
 
     - name: systemd reload
       command: systemctl daemon-reload
       when: reload_systemd is defined and reload_systemd is changed
-      tags: [ 'docker', 'docker_systemd', 'docker_conf' ]
+      tags: ['docker', 'docker_systemd', 'docker_conf']
 
     - name: Ensure that the service is started and enabled
       service: name=docker state=started enabled=yes
 
   when: docker_install
-  tags: docker 
+  tags: [docker]
 
 - block:
     - name: Remove the docker user
       user: name=docker state=absent
 
   when: not docker_install
-  tags: docker 
+  tags: [docker]