added extra variable verification so check mode tests can pass

Author: steenzout

tasks/check_environment.yml

@@ -16,22 +16,20 @@
 # oracle_java_installed.rc == 0 : installed
 # oracle_java_installed.rc == 1 : not installed
 
-- name: echo oracle_java_task_installed
-  debug:
-    msg="oracle_java_task_installed={{ oracle_java_task_installed }}"
+- debug:
+    var=oracle_java_task_installed
   when: oracle_java_task_installed is defined
   tags:
     - debug
 
 - name: set fact oracle_java_installed
   set_fact:
     oracle_java_installed={{ oracle_java_task_installed.rc == 0 }}
-  when: oracle_java_task_installed is defined
+  when: oracle_java_task_installed is defined and oracle_java_task_installed.rc is defined
   changed_when: False
 
-- name: echo oracle_java_installed
-  debug:
-    msg="oracle_java_installed={{ oracle_java_installed }}"
+- debug:
+    var=oracle_java_installed
   when: oracle_java_installed is defined
   tags:
     - debug
@@ -45,29 +43,26 @@
   register: oracle_java_task_version
   changed_when: False
 
-- name: echo oracle_java_task_version
-  debug:
-    msg="oracle_java_task_version={{ oracle_java_task_version }}"
+- debug:
+    var=oracle_java_task_version
   when: oracle_java_task_version is defined
   tags:
     - debug
 
 - name: set fact oracle_java_installed_version
   set_fact:
     oracle_java_version_installed={{ oracle_java_task_version.stdout }}
-  when: oracle_java_task_version is defined
+  when: oracle_java_task_version is defined and oracle_java_task_version.stdout is defined
   changed_when: False
 
-- name: echo oracle_java_version_installed
-  debug:
-    msg="oracle_java_version_installed={{ oracle_java_version_installed }}"
+- debug:
+    var=oracle_java_version_installed
   when: oracle_java_version_installed is defined
   tags:
     - debug
 
-- name: echo oracle_java_version_string
-  debug:
-    msg="oracle_java_version_string={{ oracle_java_version_string }}"
+- debug:
+    var=oracle_java_version_string
   when: oracle_java_version_string is defined
   tags:
     - debug