Add matrix-cactus-comments-client role

This is split out from matrix-cactus-comments (see 241779b583),
but also heavily inspired by `matrix-static-files`.

roles/custom/matrix-cactus-comments-client/templates/env.j2

@@ -0,0 +1,6 @@
+SERVER_PORT={{ matrix_cactus_comments_client_environment_variable_server_port }}
+
+SERVER_LOG_LEVEL={{ matrix_cactus_comments_client_environment_variable_server_log_level }}
+SERVER_LOG_REMOTE_ADDRESS={{ 'true' if matrix_cactus_comments_client_environment_variable_server_log_remote_address else 'false' }}
+
+{{ matrix_cactus_comments_client_environment_variables_additional_variables }}

roles/custom/matrix-cactus-comments-client/templates/labels.j2

@@ -0,0 +1,47 @@
+{% if matrix_cactus_comments_client_container_labels_traefik_enabled %}
+traefik.enable=true
+
+{% if matrix_cactus_comments_client_container_labels_traefik_docker_network %}
+traefik.docker.network={{ matrix_cactus_comments_client_container_labels_traefik_docker_network }}
+{% endif %}
+
+traefik.http.services.matrix-cactus-comments-client.loadbalancer.server.port={{ matrix_cactus_comments_client_environment_variable_server_port }}
+
+{#
+	Public
+#}
+{% if matrix_cactus_comments_client_container_labels_public_enabled %}
+
+{% set public_middlewares = [] %}
+
+{% if matrix_cactus_comments_client_container_labels_public_traefik_path_prefix != '/' %}
+{% set public_middlewares = public_middlewares + ['matrix-cactus-comments-client-strip-prefix'] %}
+traefik.http.middlewares.matrix-cactus-comments-client-strip-prefix.stripprefix.prefixes={{ matrix_cactus_comments_client_container_labels_public_traefik_path_prefix }}
+{% endif %}
+
+traefik.http.routers.matrix-cactus-comments-client-base-domain.rule={{ matrix_cactus_comments_client_container_labels_public_traefik_rule }}
+
+{% if matrix_cactus_comments_client_container_labels_public_traefik_priority | int > 0 %}
+traefik.http.routers.matrix-cactus-comments-client-base-domain.priority={{ matrix_cactus_comments_client_container_labels_public_traefik_priority }}
+{% endif %}
+
+{% if public_middlewares | length > 0 %}
+traefik.http.routers.matrix-cactus-comments-client-base-domain.middlewares={{ public_middlewares | join(',') }}
+{% endif %}
+
+traefik.http.routers.matrix-cactus-comments-client-base-domain.service=matrix-cactus-comments-client
+traefik.http.routers.matrix-cactus-comments-client-base-domain.entrypoints={{ matrix_cactus_comments_client_container_labels_public_traefik_entrypoints }}
+
+traefik.http.routers.matrix-cactus-comments-client-base-domain.tls={{ matrix_cactus_comments_client_container_labels_public_traefik_tls | to_json }}
+{% if matrix_cactus_comments_client_container_labels_public_traefik_tls %}
+traefik.http.routers.matrix-cactus-comments-client-base-domain.tls.certResolver={{ matrix_cactus_comments_client_container_labels_public_traefik_tls_certResolver }}
+{% endif %}
+
+{% endif %}
+{#
+	/Public
+#}
+
+{% endif %}
+
+{{ matrix_cactus_comments_client_container_labels_additional_labels }}

roles/custom/matrix-cactus-comments-client/templates/systemd/matrix-cactus-comments-client.service.j2

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+#jinja2: lstrip_blocks: "True"
+[Unit]
+Description=matrix-cactus-comments-client server
+{% for service in matrix_cactus_comments_client_systemd_required_services_list %}
+Requires={{ service }}
+After={{ service }}
+{% endfor %}
+{% for service in matrix_cactus_comments_client_systemd_wanted_services_list %}
+Wants={{ service }}
+{% endfor %}
+DefaultDependencies=no
+
+[Service]
+Type=simple
+Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}"
+ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-cactus-comments-client 2>/dev/null || true'
+ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-cactus-comments-client 2>/dev/null || true'
+
+ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
+			--rm \
+			--name=matrix-cactus-comments-client \
+			--log-driver=none \
+			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
+			--cap-drop=ALL \
+			--read-only \
+			--network={{ matrix_cactus_comments_client_container_network }} \
+			{% if matrix_cactus_comments_client_container_http_host_bind_port %}
+			-p {{ matrix_cactus_comments_client_container_http_host_bind_port }}:{{ matrix_cactus_comments_client_environment_variable_server_port }} \
+			{% endif %}
+			--env-file={{ matrix_cactus_comments_client_base_path }}/env \
+			--label-file={{ matrix_cactus_comments_client_base_path }}/labels \
+			--mount type=bind,src={{ matrix_cactus_comments_client_public_path }},dst=/public,ro \
+			{{ matrix_cactus_comments_client_container_image }}
+
+{% for network in matrix_cactus_comments_client_container_additional_networks %}
+ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} matrix-cactus-comments-client
+{% endfor %}
+
+ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach matrix-cactus-comments-client
+
+ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-cactus-comments-client 2>/dev/null || true'
+ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-cactus-comments-client 2>/dev/null || true'
+Restart=always
+RestartSec=30
+SyslogIdentifier=matrix-cactus-comments-client
+
+[Install]
+WantedBy=multi-user.target