Initial version, tested

README.md

+## Description
+An [Ansible](http://www.ansible.com) role to install Java8 JDK. This role works on Debian, Ubuntu and RedHat (CentOS) operation systems. Installation from source is also supported.
+
+## Requirements
+
+- Ansible >= 2.X
+
+## Facts
+
+- **java_installed**: fact to indicate if Java is installed on the host.
+- **java_version_installed**: fact containing Java version installed on the host in a string.
+
+## Role Variables
+
+- **java_source**: flag to enable installation from source files instead from a repository.
+- **debug**: flag to enable verbose mode within the role.
+- **java_set_as_default**: flag to set the Java version installed by this role as default (default= `yes`).
+
+### Debian
+
+- **java_apt_repository**: Java source PPA for installation .
+- **java_apt_repository_key**: PPA key.
+- **java_cache_valid_time**: how many seconds is the apt cache valid.
+- **java_deb_package**: name of the Debian package.
+- **java_debconf_package_default**: name of the Debconf package to set default.
+- **java_home**: Java home directory location.
+- **java_state**: the package state.
+
+### Debian/Ubuntu
+
+- **java_apt_repository**: Java source PPA for installation .
+- **java_cache_valid_time**: how many seconds is the apt cache valid.
+- **java_deb_package**: name of the Debian package.
+- **java_debconf_package_default**: name of the Debconf package to set default.
+- **java_home**: Java home directory location.
+- **java_license_version**: Oracle license version to be accepted.
+- **java_state**: the package state.
+
+
+### Redhat-only
+
+- **java_dir_source**: Where to store the RPM files.
+- **java_download_timeout**: download timeout in seconds.
+- **java_home**: Java home directory location.
+- **java_rpm_filename**: download destination filename.
+- **java_rpm_url**: RPM source URL.
+- **java_rpm_validate_certs**: enable/disable SSL certificate validation.
+- **java_version_string**: string with Java version to verify installation against.
+
+## Example Playbook
+
+```yaml
+# Generic with debug 
+- hosts: myServer
+  roles:
+  - role: java-8
+    debug: yes
+    java_source: yes
+
+# Enable debug, install from source
+- hosts: myServer
+  roles:
+  - role: java-8
+    debug: yes
+    java_source: yes
+```
+

defaults/debian-ubuntu.yml

+---
+# File: java-8/defaults/debian-ubuntu.yml
+# Description:
+# Default variables for Ubuntu distributions.
+
+java_apt_repository: 'ppa:webupd8team/java'
+java_cache_valid_time: 3600
+java_deb_package: 'oracle-java8-installer'
+java_debconf_package_default: 'oracle-java8-set-default'
+java_home: "/usr/lib/jvm/java-8-oracle"
+java_license_version: 'shared/accepted-oracle-license-v1-1'
+java_state: latest

defaults/debian.yml

+---
+# File: java-8/defaults/debian.yml
+# Description:
+# Default variables for Debian-based distributions.
+
+java_apt_repository: 'deb http://ppa.launchpad.net/linuxuprising/java/ubuntu bionic main'
+java_apt_repository_key: 'EA8CACC073C3DB2A'
+java_cache_valid_time: 3600
+java_deb_package: 'oracle-java8-installer'
+java_debconf_package_default: 'oracle-java8-set-default'
+java_home: "/usr/lib/jvm/java-8-oracle"
+java_license_version: 'shared/accepted-oracle-license-v1-1'
+java_state: latest

defaults/main.yml

+---
+# File: java-8/defaults/main.yml
+# Description:
+# Defaults main file
+
+java_set_as_default: yes
+java_source: no
+java_source_url: "https://kypo-storage.ics.muni.cz/data/public/java/jdk-8u151-linux-x64.tar.gz"

defaults/redhat.yml

+---
+# File: java-8/defaults/redhat.yml
+# Description:
+# Default variables for Redhat-based distributions.
+
+java_dir_source: '/usr/local/src'
+java_download_timeout: 60
+java_rpm_filename: 'jdk-8u191_linux-x64.rpm'
+java_home: '/usr/java/default'
+java_rpm_url: 'http://download.oracle.com/otn-pub/java/jdk/8u191-b12/2787e4a523244c269598db4e85c51e0c/jdk-8u191-linux-x64.rpm'
+java_rpm_validate_certs: yes
+java_version_string: 1.8.0_191

tasks/check_env.yml

+---
+# File: java-8/tasks/check_env.yml
+# Description: 
+# This task checks host envinronment
+# and sets these facts:
+#   - Is Java already installed?
+#   - If so, which Java version is already installed?
+
+- name: check if Java is already installed
+  shell: which java
+  register: java_task_installed
+  changed_when: java_task_installed.rc != 0
+  failed_when: no
+
+  # java_installed.rc=0 means installed
+  # java_installed.rc=1 means not installed
+- name: set fact java_installed
+  set_fact:
+    java_installed={{ not java_task_installed.changed }}
+
+- name: check installed Java version
+  shell: java -version 2>&1 | head -n 1 | awk '{ print $3 }' | awk -F '"' '{ print $2 }'
+  register: java_task_version
+  when: java_installed
+  changed_when: False
+
+- name: set fact java_installed_version
+  set_fact:
+    java_version_installed="{{ java_task_version.stdout }}"
+  when: java_task_version is defined and java_task_version.stdout is defined
+  changed_when: False
+
+- debug:
+    var="{{ item }}"
+  when: item is defined and debug | default(false)
+  with_items:
+    - java_installed
+    - java_task_installed
+    - java_task_version
+    - java_version_installed
+  tags: [ debug ]

tasks/debug.yml

+---
+# File: java-8/tasks/debug.yml
+# Description:
+# This task just prints
+# debug information about vars.
+#
+
+- debug:
+    var="{{ item }}"
+  when: item is defined
+  with_items:
+    - java_cache_valid_time
+    - java_home
+    - java_installed
+    - java_apt_repository
+    - java_apt_repository_key
+    - java_license_version
+    - java_set_as_default
+    - java_state
+    - java_version_installed
+    - java_version_string

tasks/installation/debian/main.yml

+---
+# File: java-8/tasks/installation/debian/main.yml
+# Description:
+# This task installs Oracle JDK into a system
+# with Debian based OS.
+
+- name: Debian -> ensure the APT repository key is present
+  apt_key:
+    id="{{ java_apt_repository_key }}"
+    keyserver=keyserver.ubuntu.com
+    state=present
+  when: java_apt_repository_key is defined
+  become: yes
+
+- name: Debian -> ensure the APT repository is present
+  apt_repository:
+    repo="{{ java_apt_repository }}"
+    update_cache=yes
+    state=present
+  become: yes
+
+- name: Debian -> set license as accepted
+  debconf:
+    name="{{ java_deb_package }}"
+    question="{{ java_license_version }}"
+    value='true'
+    vtype='select'
+  become: yes
+
+- name: Debian -> ensure Java is installed
+  apt:
+    name="{{ java_deb_package }}"
+    state={{ java_state }}
+    cache_valid_time={{ java_cache_valid_time }}
+    update_cache=yes
+  register: java_task_apt_install
+  become: yes
+
+- name: Debian -> set Java version as default
+  apt:
+    name="{{ java_debconf_package_default }}"
+    state=latest
+  register: java_task_set_default
+  when: java_set_as_default
+  become: yes

tasks/installation/redhat/main.yml

+---
+# File: java-8/tasks/installation/redhat/main.yml
+# Description:
+# This task installs Oracle JDK into a system
+# with RedHat based OS.
+
+- name: RedHat -> download Java RPM
+  get_url:
+    headers='Cookie:gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie'
+    dest="{{ java_dir_source }}/{{ java_rpm_filename }}"
+    url="{{ java_rpm_url }}"
+    validate_certs="{{ java_rpm_validate_certs }}"
+    timeout={{ java_download_timeout }}
+    force=no
+  register: java_task_rpm_download
+  until: java_task_rpm_download|succeeded 
+  become: yes
+
+- name: RedHat -> install RPM
+  yum:
+    name="{{ java_dir_source }}/{{ java_rpm_filename }}"
+    state=present
+  when: not java_task_rpm_download|skipped
+  become: yes
+
+- name: RedHat -> set Java version as default
+  alternatives:
+    name="{{ item.executable }}"
+    link="/usr/bin/{{ item.executable }}"
+    path="{{ item.path }}/{{ item.executable }}"
+  with_items:
+    - { path: "{{ java_home }}/bin", executable: 'java' }
+    - { path: "{{ java_home }}/bin", executable: 'keytool' }
+    - { path: "{{ java_home }}/bin", executable: 'javac' }
+    - { path: "{{ java_home }}/bin", executable: 'javadoc' }
+  become: yes
+  when: (
+          java_set_as_default and
+          java_task_rpm_download is defined and
+          java_task_rpm_download|changed
+        ) or (
+          java_set_as_default and
+          java_installed is defined and
+          java_installed and
+          java_version_installed is defined and
+          java_version_installed != java_version_string)
+  register: java_task_set_default

tasks/installation/source/java-8-source.yml

+---
+# File: java-8/tasks/installation/source/java-8-source.yml
+# Description: This task downloads and installs
+# Java source files.
+
+
+- name: source -> create temporary directory
+  tempfile:
+    state: directory
+  register: temp_dir
+
+- name: source -> get JAVA
+  get_url:
+    url: '{{ java_source_url }}'
+    dest: /tmp/java.tar.gz
+    validate_certs: no
+
+- name: source -> unarchive JAVA
+  unarchive:
+    remote_src: yes
+    src: /tmp/java.tar.gz
+    dest: '{{ temp_dir.path }}'
+
+- name: source -> create jvm directory
+  file:
+    path: /usr/lib/jvm
+    state: directory
+
+- name: source -> deploy java directory
+  shell: 'mv {{ temp_dir.path }}/`ls {{ temp_dir.path }} | head -n 1` /usr/lib/jvm/java-8-oracle'
+
+- name: source -> configure java
+  alternatives:
+    link: '/usr/bin/{{ item }}'
+    name: '{{ item }}'
+    path: '/usr/lib/jvm/java-8-oracle/bin/{{ item }}'
+    priority: 1
+  with_items:
+    - java
+    - javac
+
+- name: source -> set JAVA_HOME variable
+  lineinfile:
+    create: yes
+    path: /root/.mavenrc
+    line: 'export JAVA_HOME=/usr/lib/jvm/java-8-oracle'
+
+

tasks/installation/source/main.yml

+---
+# File: java-8/tasks/installation/source/main.yml
+# Description:
+# This task installs Oracle JDK into a system
+# from source. 
+
+- name: source -> install required Java packages
+  apt:
+    name: "{{ item }}"
+    state: latest
+  with_items:
+    - ca-certificates
+
+- name: source -> check if Java is downloaded
+  stat:
+    path: /usr/lib/jvm/java-8-oracle
+  register: downloaded_java
+
+- include: java-8-source.yml
+  become: yes
+  become_user: root
+  when: downloaded_java.stat.exists == False
+

tasks/main.yml

+---
+# File: java-8/tasks/main.yml
+# Description:
+# Main task file
+#
+
+## Include variables for given OS family/distribution
+- name: include OS family/distribution specific variables
+  include_vars: "{{ item }}"
+  with_first_found:
+    - "{{ role_path }}/defaults/{{ ansible_os_family | lower }}-{{ ansible_distribution | lower }}.yml"
+    - "{{ role_path }}/defaults/{{ ansible_os_family | lower }}.yml"
+  when: not java_source
+  tags: [ installation ]
+
+## Check environment and print debug info 
+- name: check host environment
+  include: check_env.yml
+
+- include: debug.yml
+  when: debug | default(false)
+  tags: [ debug ]
+
+## Include task for given OS family/distribution
+- name: include OS family/distribution specific task
+  include: "{{ item }}"
+  with_first_found:
+    - "installation/{{ ansible_os_family | lower }}/{{ ansible_distribution | lower }}_{{ ansible_distribution_version | lower }}.yml"
+    - "installation/{{ ansible_os_family | lower }}/{{ ansible_distribution | lower }}.yml"
+    - "installation/{{ ansible_os_family | lower }}/main.yml"
+  when: not java_source    
+  tags: [ installation ]
+
+## Include task to install Java from source if specified
+- name: include task for source installation
+  include: installation/source/main.yml
+  when: java_source
+  tags: [ installation ]  
+
+- name: check host environment
+  include: check_env.yml