feat: add proxy env variables

README.md

@@ -61,6 +61,14 @@ gitlab:
   user: www-data
 ```
 
+* `swarm_proxy_url` - set a proxy url for http and https requests
+* `swarm_proxy_ignore` - array with ignore host or subnet
+
+```
+  - localhost
+  - 10.0.0.0/8
+```
+
 ## How to use
 
  * Install:

handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: restart docker
+  ansible.builtin.service:
+    name: docker
+    state: restarted

molecule/default/converge.yml

@@ -4,6 +4,7 @@
   roles:
     - swarm
   vars:
+    swarm_proxy_url: http://127.0.0.1:3128
     swarm_manager: true
     swarm_init: true
     swarm_networks:

molecule/default/tests/test_default.py

@@ -7,6 +7,15 @@ def test_packages(host):
   package = host.package('docker.io')
   assert package.is_installed
 
+def test_default_config_file(host):
+  path = host.file('/etc/default/docker')
+  assert path.exists
+  assert path.is_file
+  assert path.user == 'root'
+  assert path.group == 'root'
+  assert path.mode == 0o644
+  assert path.contains('https_proxy=http://127.0.0.1:3128')
+
 def test_service(host):
   service = host.service('docker')
   assert service.is_running

tasks/install.yml

@@ -6,6 +6,16 @@
       - python3-docker
   tags: swarm
 
+- name: copy default variables file
+  ansible.builtin.template:
+    src: default.j2
+    dest: /etc/default/docker
+    owner: root
+    group: root
+    mode: 0644
+  notify: restart docker
+  tags: swarm
+
 - name: enable and start service
   ansible.builtin.service:
     name: docker

templates/default.j2

@@ -0,0 +1,7 @@
+# {{ ansible_managed }}
+
+{% if telegraf_proxy_url is defined %}
+https_proxy={{ telegraf_proxy_url }}
+http_proxy={{ telegraf_proxy_url }}
+no_proxy={{ telegraf_proxy_ignore|join(',') }}
+{% endif %}