icinga: style fix/cleanup

roles/icinga/tasks/main.yml

@@ -1,11 +1,11 @@
 ---
 
 - name: Enable icinga apt-key
-  apt_key: url='https://packages.icinga.com/icinga.key'
+  apt_key: url="https://packages.icinga.com/icinga.key"
 
 - name: Enable icinga repository
   apt_repository:
-    repo: 'deb https://packages.icinga.com/debian icinga-{{ ansible_distribution_release }} main'
+    repo: "deb https://packages.icinga.com/debian icinga-{{ ansible_distribution_release }} main"
     filename: icinga
 
 - name: Install icinga
@@ -73,7 +73,12 @@
   user: name=www-data append=yes groups=icingaweb2
 
 - name: Ensure certificates are available
-  command: openssl req -x509 -nodes -newkey rsa:2048 -keyout /etc/nginx/ssl/{{ icinga_domain }}.key -out /etc/nginx/ssl/{{ icinga_domain }}.crt -days 730 -subj "/CN={{ icinga_domain }}" creates=/etc/nginx/ssl/{{ icinga_domain }}.crt
+  command:
+    cmd: >
+      openssl req -x509 -nodes -newkey rsa:2048
+      -keyout /etc/nginx/ssl/{{ icinga_domain }}.key -out /etc/nginx/ssl/{{ icinga_domain }}.crt
+      -days 730 -subj "/CN={{ icinga_domain }}"
+    creates: /etc/nginx/ssl/{{ icinga_domain }}.crt
   notify: Restart nginx
 
 - name: Request nsupdate key for certificate