Improve nginx role testability

Moving ports and volumes to defaults to make them easier customiced.

Change-Id: I8b5418443f0b55ef61890a08c530040c07617122
Issue-ID: OOM-1693
Signed-off-by: Samuli Silvius <s.silvius@partner.samsung.com>
diff --git a/ansible/roles/nginx/tasks/main.yml b/ansible/roles/nginx/tasks/main.yml
index c59be75..1ec0adb 100644
--- a/ansible/roles/nginx/tasks/main.yml
+++ b/ansible/roles/nginx/tasks/main.yml
@@ -16,23 +16,18 @@
     state: present
     timeout: 120
 
+- name: Create nexus network
+  docker_network:
+    name: nexus_network
+    state: present
+
 - name: Start nginx
   docker_container:
     name: own_nginx
     image: own_nginx
     networks:
       - name: nexus_network
-    ports:
-      - "80:80"
-      - "443:443"
-      - "10001:443"
-    volumes:
-      - "{{ app_data_path }}/cfg/nginx.conf:/etc/nginx/nginx.conf:ro"
-      - "{{ app_data_path }}/certs:/etc/nginx/certs:ro"
-      - "{{ app_data_path }}/git-repo:/srv/git:rw"
-      - "{{ app_data_path }}/http:/srv/http:rw"
-      - "{{ app_data_path }}/pkg/rhel:/srv/http/repo.infra-server/rhel:rw"
-      - "{{ app_data_path }}/pkg/ubuntu/xenial:/srv/http/repo.infra-server/ubuntu/xenial:rw"
-      - /var/log/nginx:/var/log/nginx:rw
+    ports: "{{ nginx.ports }}"
+    volumes: "{{ nginx.volumes }}"
     state: started
     restart_policy: unless-stopped