OpenJDK: remove the Oracle JDK packages, if there are any.

openjdk/defaults/main.yml

@@ -21,3 +21,11 @@ openjdk_pkgs:
 #  - jdk
 
 oracle_jdk_ubuntu_ppa: 'ppa:webupd8team/java'
+openjdk_oracle_jdk_pkgs:
+  - oracle-java7-installer
+  - oracle-java7-set-default
+  - oracle-java7-unlimited-jce-policy
+  - oracle-java8-installer
+  - oracle-java8-set-default
+  - oracle-java8-unlimited-jce-policy
+  

openjdk/tasks/main.yml

@@ -4,8 +4,8 @@
     apt_repository: repo='{{ dismissed_openjdk_ppa }}' update_cache=yes state=absent
 
   - name: Remove the Oracle JDK PPA
-    apt_repository: repo='{{ oracle_jdk_ubuntu_ppa }}' state=absent
-    
+    apt_repository: repo='{{ oracle_jdk_ubuntu_ppa }}' state=absent update_cache=yes
+
   - name: Check if we must use the Zulu repository
     set_fact:
       openjdk_zulu_repo_install: True
@@ -64,3 +64,10 @@
     when: openjdk_installed is changed
 
   tags: [ 'jdk', 'openjdk' ]
+
+- block:
+  - name: Remove the Oracle JDK packages
+    apt: pkg={{ openjdk_oracle_jdk_pkgs }} state=absent cache_valid_time=3600
+
+  tags: [ 'jdk', 'openjdk' ]
+