feat(template): add support for passing all docker run arguments

defaults/main.yml

@@ -5,6 +5,8 @@ docker_systemd_service_image:
 docker_systemd_service_container_env: {}
 docker_systemd_service_container_pull_image: true
 docker_systemd_service_container_pull_force_source: true
+docker_systemd_service_flags: []
+#! TO REPLACE
 docker_systemd_service_container_labels: []
 docker_systemd_service_container_cmd: []
 docker_systemd_service_container_host_network: false
@@ -20,6 +22,8 @@ docker_systemd_service_container_cap_drop: []
 docker_systemd_service_container_devices: []
 docker_systemd_service_container_privileged: false
 docker_systemd_service_container_args: ""
+#! END TO REPLACE
+
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
 docker_systemd_service_enabled: true

molecule/default_vagrant/group_vars/all.yml

@@ -1,11 +1,17 @@
 ---
-docker_systemd_service_container_name: "nginx"
+docker_systemd_service_container_name: "ninx"
 docker_systemd_service_image: nginx
 docker_systemd_service_container_env: {}
 docker_systemd_service_container_pull_image: true
 docker_systemd_service_container_pull_force_source: false
-docker_systemd_service_container_labels: []
+docker_systemd_service_flags:
+  - network: host
+  - volume:
+      - /root:/mnt/volume
+      - /var:/test:ro
 docker_systemd_service_container_cmd: []
+#! TO REPLACE
+docker_systemd_service_container_labels: []
 docker_systemd_service_container_host_network: false
 docker_systemd_service_container_network: ""
 docker_systemd_service_container_user: ""
@@ -19,6 +25,7 @@ docker_systemd_service_container_cap_drop: []
 docker_systemd_service_container_devices: []
 docker_systemd_service_container_privileged: false
 docker_systemd_service_container_args: ""
+#! END TO REPLACE
 docker_systemd_service_name: "{{ docker_systemd_service_container_name }}_container"
 docker_systemd_service_systemd_options: []
 docker_systemd_service_enabled: true

molecule/default_vagrant/prepare.yml

@@ -6,3 +6,5 @@
     - name: "Install docker"
       ansible.builtin.include_role:
         name: ednxzu.install_docker
+      vars:
+        install_docker_python_packages: true

templates/unit.j2

@@ -1,7 +1,22 @@
 # {{ ansible_managed }}
-{% macro params(name, vals) %}
-{% for v in vals %}{{ name }} {{ v }} {% endfor %}
+{%- macro create_docker_flags(flags) %}
+{% for item in flags %}
+{{ create_docker_flag(item) }}
+{% endfor %}
+{% endmacro -%}
+
+{%- macro create_docker_flag(item) %}
+{% set key = item.keys() | first %}
+{% set value = item[key] %}
+{%- if value is string %}
+--{{ key }} {{ value }} \
+{%- elif value is iterable and value is not string %}
+{% for val in value %}
+--{{ key }} {{ val }} \{% if not loop.last +%}
+{% endif %}{% endfor %}
+{% endif -%}
 {% endmacro %}
+
 {% set service_systemd_options_keys = docker_systemd_service_systemd_options | selectattr("key") | map(attribute="key") | list %}
 [Unit]
 {% for key, value in docker_systemd_service_systemd_unit_options | dictsort %}
@@ -12,30 +27,18 @@
 {% for item in docker_systemd_service_systemd_options %}
 {{ item['key'] }}={{ item['value'] }}
 {% endfor %}
-{% if docker_systemd_service_container_env is defined %}
 {% if not 'EnvironmentFile' in service_systemd_options_keys %}
 EnvironmentFile={{ docker_systemd_service_sysconf_dir }}/{{ docker_systemd_service_container_name }}
 {% endif %}
-{% endif %}
 {% if not 'ExecStartPre' in service_systemd_options_keys %}
 ExecStartPre=-{{ docker_systemd_service_docker_path }} rm -f {{ docker_systemd_service_container_name }}
 {% endif %}
 {% if not 'ExecStart' in service_systemd_options_keys %}
-{% if docker_systemd_service_container_env is defined %}ExecStart={{ docker_systemd_service_docker_path }} run --name {{ docker_systemd_service_container_name }} --rm --env-file {{ docker_systemd_service_sysconf_dir }}/{{ docker_systemd_service_container_name }} {% endif %}\
-{{ params('--volume', docker_systemd_service_container_volumes)~' \\'| trim  }}
-{% if docker_systemd_service_container_host_network == true %}--network host \{% else %}{{ params('--publish', docker_systemd_service_container_ports)~'\\'| trim }}{% endif +%}
-{% if docker_systemd_service_container_network %}--network {{ docker_systemd_service_container_network }} {% endif %}\
-{% if docker_systemd_service_container_user %}--user {{ docker_systemd_service_container_user }} {% endif %}\
-{% if docker_systemd_service_container_hostname %}--hostname {{ docker_systemd_service_container_hostname }} {% endif %}\
-{{ params('--link', docker_systemd_service_container_links)~' \\'| trim  }}
-{{ params('--add-host', docker_systemd_service_container_hosts)~' \\'| trim  }}
-{{ params('--label', docker_systemd_service_container_labels)~' \\'| trim  }}
-{{ params('--cap-add', docker_systemd_service_container_cap_add)~' \\'| trim  }}
-{{ params('--cap-drop', docker_systemd_service_container_cap_drop)~' \\'| trim }}
-{{ params('--device', docker_systemd_service_container_devices)~' \\'| trim }}
-{% if docker_systemd_service_container_privileged == true %}--privileged {% endif %}\
-{{ docker_systemd_service_container_args~' \\'| trim}}
-{{ docker_systemd_service_image -}}{{ ' ' if docker_systemd_service_container_cmd else '' }}{% if docker_systemd_service_container_cmd is string %}{{ docker_systemd_service_container_cmd | trim }}{% else %}{{ docker_systemd_service_container_cmd | join(' ') | trim }}{% endif %}
+ExecStart={{ docker_systemd_service_docker_path }} run --name {{ docker_systemd_service_container_name }} \
+--rm \
+--env-file {{ docker_systemd_service_sysconf_dir }}/{{ docker_systemd_service_container_name }} \
+{{ create_docker_flags(docker_systemd_service_flags) -}}
+{{- docker_systemd_service_image -}}{{ ' ' if docker_systemd_service_container_cmd else '' }}{% if docker_systemd_service_container_cmd is string %}{{ docker_systemd_service_container_cmd | trim }}{% else %}{{ docker_systemd_service_container_cmd | join(' ') | trim }}{% endif %}
 {% endif +%}
 {% if not 'ExecStop' in service_systemd_options_keys %}
 ExecStop={{ docker_systemd_service_docker_path }} stop {{ docker_systemd_service_container_name }}