Only start download, if there is a different version then installed

tasks/darwin/macosx.yml

@@ -5,11 +5,17 @@
 #
 
 - name: download DMG file
-  shell:
-    "curl -L  -H 'Cookie:oraclelicense=accept-securebackup-cookie' -o {{ oracle_java_dir_source }}/{{ oracle_java_dmg_filename }} {{ oracle_java_dmg_url }}"
-  when: not oracle_java_task_dmg_check|skipped and not oracle_java_task_dmg_check.stat.exists
-  args:
-    creates: "{{ oracle_java_dir_source }}/{{ oracle_java_dmg_filename }}"
+  get_url:
+    headers:
+      Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F
+      oraclelicense: accept-securebackup-cookie
+    dest: "{{ oracle_java_dir_source }}/{{ oracle_java_dmg_filename }}"
+    url: "{{ oracle_java_dmg_url }}"
+    validate_certs: "{{ oracle_java_dmg_validate_certs }}"
+    timeout: "{{ oracle_java_download_timeout }}"
+    force: no
+  register: oracle_java_task_dmg_download
+  until: oracle_java_task_dmg_download is succeeded
   tags:
     - installation
 
@@ -36,4 +42,3 @@
 
 - name: in case there were changes, check host environment again
   include: ../check_environment.yml
-

tasks/installation/redhat/main.yml

@@ -6,38 +6,42 @@
 
 - name: download Java RPM
   get_url:
-    headers='Cookie:gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie'
-    dest="{{ oracle_java_dir_source }}/{{ oracle_java_rpm_filename }}"
-    url="{{ oracle_java_rpm_url }}"
-    validate_certs="{{ oracle_java_rpm_validate_certs }}"
-    timeout={{ oracle_java_download_timeout }}
-    force=no
+    headers:
+      Cookie: "gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie"
+    dest: "{{ oracle_java_dir_source }}/{{ oracle_java_rpm_filename }}"
+    url: "{{ oracle_java_rpm_url }}"
+    validate_certs: "{{ oracle_java_rpm_validate_certs }}"
+    timeout: "{{ oracle_java_download_timeout }}"
+    force: no
   register: oracle_java_task_rpm_download
-  until: oracle_java_task_rpm_download|succeeded 
+  until: oracle_java_task_rpm_download is succeeded
   become: yes
+  when: oracle_java_version_installed is not defined or oracle_java_version_installed != oracle_java_version_string
 
 - name: install RPM
   yum:
     name="{{ oracle_java_dir_source }}/{{ oracle_java_rpm_filename }}"
     state=present
-  when: not oracle_java_task_rpm_download|skipped
+  when: not oracle_java_task_rpm_download is skipped
   become: yes
 
 - name: set Java version as default
   alternatives:
-    name="{{ item.exe }}"
-    link="/usr/bin/{{ item.exe }}"
-    path="{{ item.path }}/{{ item.exe }}"
+    name="{{ java.exe }}"
+    link="/usr/bin/{{ java.exe }}"
+    path="{{ java.path }}/{{ java.exe }}"
   with_items:
     - { path: "{{ oracle_java_home }}/bin", exe: 'java' }
     - { path: "{{ oracle_java_home }}/bin", exe: 'keytool' }
     - { path: "{{ oracle_java_home }}/bin", exe: 'javac' }
     - { path: "{{ oracle_java_home }}/bin", exe: 'javadoc' }
+  loop_control:
+      loop_var: java
   become: yes
   when: (
           oracle_java_set_as_default and
           oracle_java_task_rpm_download is defined and
-          oracle_java_task_rpm_download|changed
+          oracle_java_task_rpm_download is changed
         ) or (
           oracle_java_set_as_default and
           oracle_java_installed is defined and