ansible-lint: add spaces around variables [E206] (#4699)

roles/container-engine/docker/tasks/main.yml

@@ -54,8 +54,8 @@
 - name: ensure docker-ce repository public key is installed
   action: "{{ docker_repo_key_info.pkg_key }}"
   args:
-    id: "{{item}}"
-    url: "{{docker_repo_key_info.url}}"
+    id: "{{ item }}"
+    url: "{{ docker_repo_key_info.url }}"
     state: present
   register: keyserver_task_result
   until: keyserver_task_result is succeeded
@@ -67,7 +67,7 @@
 - name: ensure docker-ce repository is enabled
   action: "{{ docker_repo_info.pkg_repo }}"
   args:
-    repo: "{{item}}"
+    repo: "{{ item }}"
     state: present
   with_items: "{{ docker_repo_info.repos }}"
   when: not (ansible_os_family in ["CoreOS", "Container Linux by CoreOS", "RedHat", "Suse", "ClearLinux"] or is_atomic) and (docker_repo_info.repos|length > 0)
@@ -75,8 +75,8 @@
 - name: ensure docker-engine repository public key is installed
   action: "{{ dockerproject_repo_key_info.pkg_key }}"
   args:
-    id: "{{item}}"
-    url: "{{dockerproject_repo_key_info.url}}"
+    id: "{{ item }}"
+    url: "{{ dockerproject_repo_key_info.url }}"
     state: present
   register: keyserver_task_result
   until: keyserver_task_result is succeeded
@@ -90,7 +90,7 @@
 - name: ensure docker-engine repository is enabled
   action: "{{ dockerproject_repo_info.pkg_repo }}"
   args:
-    repo: "{{item}}"
+    repo: "{{ item }}"
     state: present
   with_items: "{{ dockerproject_repo_info.repos }}"
   when:
@@ -123,7 +123,7 @@
     baseurl: "{{ extras_rh_repo_base_url }}"
     file: "extras"
     gpgcheck: yes
-    gpgkey: "{{extras_rh_repo_gpgkey}}"
+    gpgkey: "{{ extras_rh_repo_gpgkey }}"
     keepcache: "{{ docker_rpm_keepcache | default('1') }}"
     proxy: " {{ http_proxy | default('_none_') }}"
   when:
@@ -148,10 +148,10 @@
 - name: ensure docker packages are installed
   action: "{{ docker_package_info.pkg_mgr }}"
   args:
-    pkg: "{{item.name}}"
-    force: "{{item.force|default(omit)}}"
-    conf_file: "{{item.yum_conf|default(omit)}}"
-    state: "{{item.state | default('present')}}"
+    pkg: "{{ item.name }}"
+    force: "{{ item.force|default(omit) }}"
+    conf_file: "{{ item.yum_conf|default(omit) }}"
+    state: "{{ item.state | default('present') }}"
     update_cache: "{{ omit if ansible_distribution == 'Fedora' else True }}"
   register: docker_task_result
   until: docker_task_result is succeeded
@@ -166,7 +166,7 @@
   action: "{{ docker_package_info.pkg_mgr }}"
   args:
     name: "{{ item.name }}"
-    state: "{{item.state | default('present')}}"
+    state: "{{ item.state | default('present') }}"
   with_items: "{{ docker_package_info.pkgs }}"
   register: docker_task_result
   until: docker_task_result is succeeded
@@ -185,7 +185,7 @@
 
 - name: show available packages on ubuntu
   fail:
-    msg: "{{available_packages}}"
+    msg: "{{ available_packages }}"
   when:
     - docker_task_result is failed
     - ansible_distribution == 'Ubuntu'

roles/container-engine/docker/tasks/set_facts_dns.yml

@@ -2,11 +2,11 @@
 
 - name: set dns server for docker
   set_fact:
-    docker_dns_servers: "{{dns_servers}}"
+    docker_dns_servers: "{{ dns_servers }}"
 
 - name: show docker_dns_servers
   debug:
-    msg: "{{docker_dns_servers}}"
+    msg: "{{ docker_dns_servers }}"
 
 - name: set base docker dns facts
   set_fact: