fixed Elasticsearch installation's issues caused by the absense of Java in Ubuntu Trusty

molecule/elasticsearch/molecule.yml

@@ -25,17 +25,17 @@ platforms:
         #    command: /sbin/init
         #    ulimits:
         #      - nofile:262144:262144
-        #- name: trusty
-        #image: ubuntu:trusty
-        #memory_reservation: 1024m
-        #ulimits:
-        #- nofile:262144:262144
-  - name: centos6
-    image: centos:6
-    privileged: true
+  - name: trusty
+    image: ubuntu:trusty
     memory_reservation: 1024m
     ulimits:
       - nofile:262144:262144
+#  - name: centos6
+#    image: centos:6
+#    privileged: true
+#    memory_reservation: 1024m
+#    ulimits:
+#      - nofile:262144:262144
         #  - name: centos7
         #    image: milcom/centos7-systemd
         #    memory_reservation: 1024m

roles/elastic-stack/ansible-elasticsearch/tasks/Debian.yml

@@ -14,6 +14,42 @@
     - ansible_distribution == "Ubuntu"
     - ansible_distribution_major_version | int == 14
 
+- name: Update and upgrade apt packages
+  become: true
+  apt:
+    upgrade: yes
+    update_cache: yes
+    cache_valid_time: 86400 #One day
+  when:
+    - ansible_distribution == "Ubuntu"
+    - ansible_distribution_major_version | int == 14
+
+- name: Install Oracle Java 8
+  become: yes
+  apt: name=openjdk-8-jdk state=latest
+
+  when:
+    - ansible_distribution == "Ubuntu"
+    - ansible_distribution_major_version | int == 14
+
+- name: Set the default Java version
+  become: yes
+  shell: update-alternatives --config java
+
+- name: Set the default Javac version
+  become: yes
+  shell: update-alternatives --config javac
+
+- name: Update and upgrade apt packages
+  become: true
+  apt:
+    upgrade: yes
+    update_cache: yes
+    cache_valid_time: 86400 #One day
+  when:
+    - ansible_distribution == "Ubuntu"
+    - ansible_distribution_major_version | int == 14
+
 - name: Debian/Ubuntu | Add Elasticsearch GPG key.
   apt_key:
     url: "https://artifacts.elastic.co/GPG-KEY-elasticsearch"

roles/elastic-stack/ansible-elasticsearch/tasks/RedHat.yml

@@ -13,6 +13,8 @@
   yum:
     name: java-1.8.0-openjdk.x86_64
     state: present
+  when:
+    - ansible_distribution in ['CentOS', 'RedHat'] and ansible_distribution_major_version|int < 7
 
 - name: RedHat/CentOS/Fedora | Install Elasticsarch
   package: name=elasticsearch-{{ elastic_stack_version }} state=present

roles/elastic-stack/ansible-elasticsearch/tasks/main.yml

@@ -206,26 +206,9 @@
     - not (ansible_distribution == "Debian" and ansible_distribution_version is version('8', '<'))
     - not (ansible_os_family == "RedHat" and ansible_distribution_version is version('7', '<'))
 
-#- name: Get Java version
-#  shell: java -version |& awk -F'"' '{print $2}'
-#  register: java_version
-#  ignore_errors: true
-
-# - debug: msg="{{ java_version.stdout_lines }}"
-
-#- name: "Install Java Repo for Trusty"
-#  yum_repository: repo='ppa:openjdk-r/ppa'
-#  when:
-#    - ansible_distribution in ['CentOS', 'RedHat'] and ansible_distribution_major_version|int < 7
-
 - name: Distribution is centos 6.* | Enable Elasticsearch
   service: name=elasticsearch enabled=yes
 
-
-#- name: Distribution is centos 6.* | Reload Elasticsearch
-#  service: name=elasticsearch state=reloaded
-#  state: "{{ elasticsearch_state | default('reloaded') }}"
-
 - name: Distribution is centos 6.* | Start Elasticsearch
   service: name=elasticsearch state=started
 
@@ -234,12 +217,6 @@
     name: elasticsearch
     enabled: true
     state: started
-    #  ignore_errors: true
-    #  when:
-    #    - not (ansible_distribution == "Amazon" and ansible_distribution_major_version == "NA")
-    #    - not (ansible_distribution == "Ubuntu" and ansible_distribution_version is version('15.04', '<'))
-    #    - not (ansible_distribution == "Debian" and ansible_distribution_version is version('8', '<'))
-    #    - not (ansible_os_family == "RedHat" and ansible_distribution_version is version('7', '<'))
 
 - name: Make sure Elasticsearch is running before proceeding
   wait_for: host={{ elasticsearch_network_host }} port={{ elasticsearch_http_port }} delay=3 timeout=300