change become yes to true

tasks/docker-1809-shim.yml

@@ -3,17 +3,17 @@
   file:
     path: /etc/systemd/system/containerd.service.d
     state: directory
-  become: yes
+  become: true
 
 - name: Add shim to ensure Docker can start in all environments.
   template:
     src: override.conf.j2
     dest: /etc/systemd/system/containerd.service.d/override.conf
   register: override_template
-  become: yes
+  become: true
 
 - name: Reload systemd daemon if template is changed.
   systemd:
     daemon_reload: true
   when: override_template is changed
-  become: yes
+  become: true

tasks/docker-compose.yml

@@ -18,5 +18,5 @@
     url: https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-Linux-x86_64
     dest: "{{ docker_compose_path }}"
     mode: 0755
-  become: yes
+  become: true
   environment: "{{ proxy_env }}"

tasks/main.yml

@@ -10,7 +10,7 @@
     name: "{{ docker_package }}"
     state: "{{ docker_package_state }}"
   notify: restart docker
-  become: yes
+  become: true
   environment: "{{ proxy_env }}"
 
 # TODO: Remove this shim once 18.09.1 or later is released.
@@ -22,7 +22,7 @@
     name: docker
     state: "{{ docker_service_state }}"
     enabled: "{{ docker_service_enabled }}"
-  become: yes
+  become: true
 
 - name: Ensure handlers are notified now to avoid firewall conflicts.
   meta: flush_handlers

tasks/setup-RedHat.yml

@@ -11,7 +11,7 @@
   rpm_key:
     key: https://download.docker.com/linux/centos/gpg
     state: present
-  become: yes
+  become: true
   environment: "{{ proxy_env }}"
 
 - name: Add Docker repository.
@@ -21,7 +21,7 @@
     owner: root
     group: root
     mode: 0644
-  become: yes
+  become: true
   environment: "{{ proxy_env }}"
 
 - name: Configure Docker Edge repo.
@@ -30,7 +30,7 @@
     section: 'docker-{{ docker_edition }}-edge'
     option: enabled
     value: '{{ docker_yum_repo_enable_edge }}'
-  become: yes
+  become: true
 
 - name: Configure Docker Test repo.
   ini_file:
@@ -38,4 +38,4 @@
     section: 'docker-{{ docker_edition }}-test'
     option: enabled
     value: '{{ docker_yum_repo_enable_test }}'
-  become: yes
+  become: true