Add: proxy_env in defaults variables and use it in needed tasks

defaults/main.yml

@@ -1,4 +1,11 @@
 ---
+# ---------------------------------------------------------------------
+# Proxy variables (optional) for download packages using a proxy server
+proxy_env:
+  http_proxy: http://192.168.20.112:10808
+  https_proxy: http://192.168.20.112:10808
+# ---------------------------------------------------------------------
+
 # Edition can be one of: 'ce' (Community Edition) or 'ee' (Enterprise Edition).
 docker_edition: 'ce'
 docker_packages:

tasks/docker-compose.yml

@@ -25,6 +25,7 @@
     url: "{{ docker_compose_url }}"
     dest: "{{ docker_compose_path }}"
     mode: 0755
+  environment: "{{ proxy_env | default({}) }}"
   when: >
     (docker_compose_current_version is not defined)
     or (docker_compose_current_version | length == 0)

tasks/main.yml

@@ -20,6 +20,7 @@
   package:
     name: "{{ docker_packages }}"
     state: "{{ docker_packages_state }}"
+  environment: "{{ proxy_env | default({}) }}"
   notify: restart docker
   ignore_errors: "{{ ansible_check_mode }}"
   when: "ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian']"
@@ -29,6 +30,7 @@
     name: "{{ docker_packages }}"
     state: "{{ docker_packages_state }}"
     allow_downgrade: true
+  environment: "{{ proxy_env | default({}) }}"
   notify: restart docker
   ignore_errors: "{{ ansible_check_mode }}"
   when: "ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
@@ -37,6 +39,7 @@
   package:
     name: "{{ docker_compose_package }}"
     state: "{{ docker_compose_package_state }}"
+  environment: "{{ proxy_env | default({}) }}"
   notify: restart docker
   ignore_errors: "{{ ansible_check_mode }}"
   when: "docker_install_compose_plugin | bool == true and (ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian'])"
@@ -46,6 +49,7 @@
     name: "{{ docker_compose_package }}"
     state: "{{ docker_compose_package_state }}"
     allow_downgrade: true
+  environment: "{{ proxy_env | default({}) }}"
   notify: restart docker
   ignore_errors: "{{ ansible_check_mode }}"
   when: "docker_install_compose_plugin | bool == true and ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"

tasks/setup-Debian.yml

@@ -15,6 +15,7 @@
     state: absent
     filename: "{{ docker_apt_filename }}"
     update_cache: true
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - # See https://docs.docker.com/engine/install/debian/#uninstall-old-versions
@@ -29,6 +30,7 @@
       - apt-transport-https
       - ca-certificates
     state: present
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - name: Ensure directory exists for /etc/apt/keyrings
@@ -46,15 +48,18 @@
     checksum: "{{ docker_apt_gpg_key_checksum | default(omit) }}"
   register: add_repository_key
   ignore_errors: "{{ docker_apt_ignore_key_error }}"
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - name: Ensure curl is present (on older systems without SNI).
   package: name=curl state=present
+  environment: "{{ proxy_env | default({}) }}"
   when: add_repository_key is failed and docker_add_repo | bool
 
 - name: Add Docker apt key (alternative for older systems without SNI).
   shell: >
     curl -sSL {{ docker_apt_gpg_key }} | apt-key add -
+  environment: "{{ proxy_env | default({}) }}"
   when: add_repository_key is failed and docker_add_repo | bool
 
 - name: Add Docker repository.
@@ -63,4 +68,5 @@
     state: present
     filename: "{{ docker_apt_filename }}"
     update_cache: true
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool

tasks/setup-RedHat.yml

@@ -11,6 +11,7 @@
   rpm_key:
     key: "{{ docker_yum_gpg_key }}"
     state: present
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - name: Add Docker repository.
@@ -20,6 +21,7 @@
     owner: root
     group: root
     mode: 0644
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - name: Configure Docker Nightly repo.
@@ -30,6 +32,7 @@
     value: '{{ docker_yum_repo_enable_nightly }}'
     mode: 0644
     no_extra_spaces: true
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - name: Configure Docker Test repo.
@@ -40,6 +43,7 @@
     value: '{{ docker_yum_repo_enable_test }}'
     mode: 0644
     no_extra_spaces: true
+  environment: "{{ proxy_env | default({}) }}"
   when: docker_add_repo | bool
 
 - name: Configure containerd on RHEL 8.
@@ -53,9 +57,11 @@
       package:
         name: container-selinux
         state: present
+      environment: "{{ proxy_env | default({}) }}"
 
     - name: Ensure containerd.io is installed.
       package:
         name: containerd.io
         state: present
+      environment: "{{ proxy_env | default({}) }}"
   when: ansible_distribution_major_version | int == 8