Merge pull request #539 from grzegorznowak/compatibility-with-check-mode

make playbook (tested for debians) compatible with the  mode

tasks/elasticsearch-Debian.yml

@@ -15,6 +15,7 @@
     register: elasticsearch_package
     failed_when: False
     changed_when: False
+    check_mode: no
 
   - name: stop elasticsearch
     service:

tasks/java.yml

@@ -44,6 +44,7 @@
   register: open_jdk
   ignore_errors: yes
   changed_when: false
+  check_mode: no
 
 #https://github.com/docker-library/openjdk/issues/19 - ensures tests pass due to java 8 broken certs
 - name: refresh the java ca-certificates