feat: add option to add custom unit override options (#5)

Reviewed-on: #5

.drone.jsonnet

@@ -41,7 +41,7 @@ local PipelineLinting = {
   },
 };
 
-local PipelineDeployment(scenario='centos7') = {
+local PipelineDeployment(scenario='rocky9') = {
   kind: 'pipeline',
   name: 'testing-' + scenario,
   platform: {
@@ -71,7 +71,7 @@ local PipelineDeployment(scenario='centos7') = {
     'linting',
   ],
   trigger: {
-    ref: ['refs/heads/main', 'refs/tags/**'],
+    ref: ['refs/heads/main', 'refs/tags/**', 'refs/pull/**'],
   },
 };
 
@@ -115,7 +115,7 @@ local PipelineDocumentation = {
     ref: ['refs/heads/main', 'refs/tags/**', 'refs/pull/**'],
   },
   depends_on: [
-    'testing-centos7',
+    'testing-rocky9',
   ],
 };
 
@@ -153,7 +153,7 @@ local PipelineNotification = {
 
 [
   PipelineLinting,
-  PipelineDeployment(scenario='centos7'),
+  PipelineDeployment(scenario='rocky9'),
   PipelineDocumentation,
   PipelineNotification,
 ]

.drone.yml

@@ -36,7 +36,7 @@ trigger:
 
 ---
 kind: pipeline
-name: testing-centos7
+name: testing-rocky9
 
 platform:
   os: linux
@@ -53,7 +53,7 @@ steps:
   - name: ansible-molecule
     image: thegeeklab/molecule:4
     commands:
-      - molecule test -s centos7
+      - molecule test -s rocky9
     environment:
       HCLOUD_TOKEN:
         from_secret: hcloud_token
@@ -62,6 +62,7 @@ trigger:
   ref:
     - refs/heads/main
     - refs/tags/**
+    - refs/pull/**
 
 depends_on:
   - linting
@@ -107,7 +108,7 @@ trigger:
     - refs/pull/**
 
 depends_on:
-  - testing-centos7
+  - testing-rocky9
 
 ---
 kind: pipeline
@@ -147,6 +148,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 07e123ae54fb79836d48b0fee57666759de62d8e85a94d9386179e636b2235e3
+hmac: 5ecb808a24d61708adad225a6fd1ffde1b8de1a477f513e21c5e2b14c3790e0d
 
 ...

defaults/main.yml

@@ -12,13 +12,23 @@ dockerengine_packages:
 # @end
 dockerengine_packages_extra: []
 
-docker_ansible_deps:
-  - cryptography~=2.0
-  - docker-compose~=1.24.0
+dockerengine_ansible_deps:
+  - cryptography
+  - docker-compose
   - docker
 
 dockerengine_service: docker
 
+# @var dockerengine_service_override_unit:description: >
+# Multiline string of options to add to the `systemd` service override unit section.
+# @end
+# @var dockerengine_service_override_unit: $ "_unset_"
+# @var dockerengine_service_override_unit:example: >
+# dockerengine_service_override_unit: |
+#   After=time-sync.target
+#   Requires=time-sync.target
+# @end
+
 dockerengine_docker_group_enabled: False
 
 # @var dockerengine_registries:description: List of docker registries to auto login

molecule/centos7/converge.yml

@@ -1,11 +0,0 @@
----
-- name: Converge
-  hosts: all
-  vars:
-    dockerengine_packages_extra:
-      - epel-release
-      - python-pip
-      - python-virtualenv
-
-  roles:
-    - role: xoxys.docker_engine

molecule/rocky9/converge.yml

@@ -0,0 +1,14 @@
+---
+- name: Converge
+  hosts: all
+  vars:
+    dockerengine_packages_extra:
+      - epel-release
+      - python3-pip
+      - python3-virtualenv
+  pre_tasks:
+    - name: Enable CodeReadyBuilder repository
+      command: dnf config-manager --set-enabled "crb"
+      changed_when: False
+  roles:
+    - role: xoxys.docker_engine

molecule/rocky9/molecule.yml

@@ -9,8 +9,8 @@ dependency:
 driver:
   name: delegated
 platforms:
-  - name: centos7-docker-engine
-    image: centos-7
+  - name: rocky9-docker-engine
+    image: rocky-9
     server_type: cx11
 lint: |
   /usr/local/bin/flake8

tasks/install.yml

@@ -20,7 +20,7 @@
       pip:
         name: "{{ item }}"
         virtualenv: /opt/python2/ansible-deps
-      loop: "{{ docker_ansible_deps }}"
+      loop: "{{ dockerengine_ansible_deps }}"
 
     - name: Add docker-compose wrapper
       template:

templates/etc/sysconfig/docker.j2

@@ -1,3 +1,4 @@
+#jinja2: lstrip_blocks: True
 {{ ansible_managed | comment }}
 OPTIONS='{{'--userns-remap=' + dockerengine_nsremap_user + ':' + dockerengine_nsremap_user if dockerengine_usernamespace_enabled | bool else '' }}'
 

templates/etc/systemd/system/docker.service.d/override.conf.j2

@@ -1,3 +1,9 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+{% if dockerengine_service_override_unit is defined %}
+[Unit]
+{{ dockerengine_service_override_unit }}
+{% endif %}
 [Service]
 EnvironmentFile=-/etc/sysconfig/docker
 ExecStart=