Fixes linting errors

Author: leucos

handlers/main.yml

@@ -1,5 +1,5 @@
 - name: Restart corosync
-  service: 
+  service:
     name: "{{ item }}"
     state: restarted
   with_items:

tasks/check_vars.yml

@@ -1,6 +1,6 @@
 - name: Checking that required variables are set
   fail: msg="{{ item }} is not defined"
-  when: not {{ item }}
+  when: not item
   with_items:
     - pacemaker_corosync_group
-    - pacemaker_corosync_ring_interface
+    - pacemaker_corosync_ring_interface

tasks/pacemaker.yml

@@ -1,5 +1,5 @@
 - name: Installs pacemaker & corosync
-  apt: pkg={{item}} state=latest
+  apt: pkg={{item}} state=present
   with_items:
     - corosync
     - pacemaker