Fixes to the tasks that install as docker service

defaults/main.yml

@@ -22,6 +22,7 @@ shinyproxy_default_apps: True
 shinyproxy_as_docker_src_dir: /srv/shinyproxy_service
 shinyproxy_as_docker_service_name: 'shinyproxy'
 shinyproxy_docker_network: 'shinyproxy'
+shinyproxy_docker_swarm_replicas: 2
 # Shinyproxy configuration
 # docker, docker-swarm, kubernetes
 shinyproxy_container_backend: 'docker'

meta/main.yml

@@ -31,4 +31,5 @@ dependencies:
     version: master
     name: openjdk
     state: latest
+    when: not shinyproxy_as_docker_service
 

tasks/shinyproxy_docker_service.yml

@@ -10,11 +10,11 @@
   - name: Install the shinyproxy docker file
     template: src=Dockerfile.j2 dest={{ shinyproxy_as_docker_src_dir }}/Dockerfile owner=root group=root mode=0444
 
-  - name: Create the docker network used by shinyproxy
-    docker_network:
-      name: '{{ shinyproxy_docker_network }}'
-      driver: overlay
-      state: present
+  # - name: Create the docker network used by shinyproxy
+  #   docker_network:
+  #     name: '{{ shinyproxy_docker_network }}'
+  #     driver: overlay
+  #     state: present
 
   - name: Install the docker compose file
     template: src=shinyproxy-docker-compose.yml.j2 dest={{ shinyproxy_as_docker_src_dir }}/docker-compose.yml
@@ -24,4 +24,6 @@
       project_src: '{{ shinyproxy_as_docker_src_dir }}'
       build: yes
 
+  run_once: True
+  when: docker_swarm_manager_main_node is defined and docker_swarm_manager_main_node | bool
   tags: [ 'shinyproxy', 'shinyproxy_docker', 'docker' ]

templates/shinyproxy-docker-compose.yml.j2

@@ -1,17 +1,20 @@
-version: '3.8'
+version: '3.6'
 
 services:
   shinyproxy:
     build: .
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
-    ports:
-      - '{{ shinyproxy_http_port }}':'{{ shinyproxy_http_port }}'
+    #ports:
+    #  - '{{ shinyproxy_http_port }}':'{{ shinyproxy_http_port }}'
+    expose:
+      - "{{ shinyproxy_http_port }}"
     networks:
       - '{{ shinyproxy_docker_network }}'
     deploy:
       mode: replicated
-      replicas: 1
+      replicas: {{ shinyproxy_docker_swarm_replicas }}
+      endpoint_mode: dnsrr
       placement:
         constraints: [node.role == manager]
       restart_policy:
@@ -19,8 +22,11 @@ services:
         delay: 5s
         max_attempts: 3
         window: 120s
+{% if docker_log_to_journal %}
+    log_driver: 'journald'
+{% endif %}
 
 networks:
   '{{ shinyproxy_docker_network }}':
     driver: overlay
-    attachable: true
+    attachable: true