OpenJDK: use the zulu repository on the old Ubuntu distributions. See https://support.d4science.org/issues/16590.

openjdk/defaults/main.yml

@@ -1,12 +1,18 @@
 ---
 openjdk_default: 8
-openjdk_pkg_state: latest
+openjdk_pkg_state: present
 openjdk_version:
   - '{{ openjdk_default }}'
 
-openjdk_ppa: 'ppa:openjdk-r/ppa'
+dismissed_openjdk_ppa: 'ppa:openjdk-r/ppa'
+openjdk_zulu_repo_install: False
+openjdk_zulu_repo_key_id: '0xB1998361219BD9C9'
+openjdk_zulu_repository: 'deb http://repos.azulsystems.com/{{ ansible_distribution | lower }} stable main'
 
-jdk_java_home: '/usr/lib/jvm/java-{{ openjdk_default }}-openjdk-amd64'
+openjdk_java_home: '/usr/lib/jvm/java-{{ openjdk_default }}-openjdk-amd64'
+openjdk_zulu_java_home: '/usr/lib/jvm/zulu-{{ openjdk_default }}-amd64'
+
+openjdk_zulu_package_name: zulu
 
 openjdk_pkgs:
   - jre-headless 

openjdk/handlers/main.yml

@@ -1,14 +0,0 @@
----
-- name: Set OpenJDK 6 as default
-  shell: update-java-alternatives -s java-1.6.0-openjdk-amd64
-
-- name: Set OpenJDK 7 as default
-  shell: update-java-alternatives -s java-1.7.0-openjdk-amd64
-
-- name: Set OpenJDK 8 as default
-  shell: update-java-alternatives -s java-1.8.0-openjdk-amd64
-
-- name: Set the default OpenJDK
-  shell: update-java-alternatives -s java-1.{{ item }}.0-openjdk-amd64
-  with_items: '{{ openjdk_default }}'
-

openjdk/tasks/main.yml

@@ -1,23 +1,63 @@
 ---
 - block:
-    - name: Add the openjdk ppa. To have openjdk 8/9 on precise and trusty
+  - name: Remove the openjdk-r ppa. It is not maintained anymore
-      apt_repository: repo='{{ openjdk_ppa }}' update_cache=yes
+    apt_repository: repo='{{ dismissed_openjdk_ppa }}' update_cache=yes state=absent
 
-    - name: Install OpenJDK 
+  - name: Check if we must use the Zulu repository
+    set_fact:
+      openjdk_zulu_repo_install: True
+    when: ansible_distribution_major_version <= '16'
+
+  tags: [ 'jdk', 'openjdk' ]
+
+- block:
+  - name: Install the Zulu repository key
+    apt_key: keyserver='hkp://keyserver.ubuntu.com' id={{ openjdk_zulu_repo_key_id }}
+
+  - name: Install the proper Zulu repository
+    apt_repository: repo='{{ openjdk_zulu_repository }}' update_cache=yes
+
+  - name: Install the Zulu OpenJDK 
+    apt: pkg={{ openjdk_zulu_package_name }}-{{ item }} state={{ openjdk_pkg_state }} update_cache=yes cache_valid_time=3600
+    with_items: '{{ openjdk_version }}'
+    register: openjdk_installed
+
+  - name: Set the default OpenJDK as Zulu
+    shell: update-java-alternatives -s /usr/lib/jvm/zulu-{{ openjdk_default }}-amd64
+    when: openjdk_installed is changed
+
+  - name: Set the correct value for jdk_java_home when we are installing Zulu
+    set_fact:
+      jdk_java_home: '{{ openjdk_zulu_java_home }}'
+
+  when: openjdk_zulu_repo_install
+  tags: [ 'jdk', 'openjdk' ]
+
+- block:
+  - name: Remove the Zulu repository if it is present
+    apt_repository: repo='{{ openjdk_zulu_repository }}' update_cache=yes state=absent
+
+  - name: Install the OpenJDK that comes with the distribution
     apt: pkg=openjdk-{{ item.0 }}-{{ item[1] }} state={{ openjdk_pkg_state }} update_cache=yes cache_valid_time=3600
     with_nested:
       - '{{ openjdk_version }}'
       - '{{ openjdk_pkgs }}'
-      notify: Set the default OpenJDK
     register: openjdk_installed
 
+  - name: Set the default OpenJDK
+    shell: update-java-alternatives -s java-1.{{ openjdk_default }}.0-openjdk-amd64
+    when: openjdk_installed is changed
+
+  - name: Set the correct value for jdk_java_home when we are installing the distribution OpenJDK
+    set_fact:
+      jdk_java_home: '{{ openjdk_java_home }}'
+
+  when: not openjdk_zulu_repo_install
+  tags: [ 'jdk', 'openjdk' ]
+
+- block:
   - name: Rebuild the Ubuntu keystore
     command: update-ca-certificates --fresh
     when: openjdk_installed is changed
 
-    - name: Set the default OpenJDK
-      shell: update-java-alternatives -s java-1.{{ item }}.0-openjdk-amd64
-      with_items: '{{ openjdk_default }}'
-      when: openjdk_installed is changed
-
   tags: [ 'jdk', 'openjdk' ]