Add Github CI runner proxy support

Conditionally define custom_env fact to leverage
monolithprojects.github_actions_runner role support for
setting proxy on deployed Github runners.

Author: darmach

etc/kayobe/ansible/deployment/deploy-github-runner.yml

@@ -6,6 +6,17 @@
     - role: geerlingguy.pip
     - role: geerlingguy.docker
   tasks:
+    - name: Set custom_env fact if any proxy variable is defined
+      set_fact:
+        custom_env: |
+          http_proxy={{ http_proxy | default('') }}
+          https_proxy={{ https_proxy | default('') }}
+          no_proxy=localhost,127.0.0.1,127.0.0.2,{{ no_proxy | default('') | join(',') }}
+      when: >
+        http_proxy is defined or
+        https_proxy is defined or
+        no_proxy is defined
+
     - name: Deploy runners
       ansible.builtin.include_role:
         name: monolithprojects.github_actions_runner
@@ -30,3 +41,4 @@
       with_dict: "{{ github_runners }}"
       loop_control:
         loop_var: runner
+