add debian 10 support (#699)

* add debian 10 support
* install jdk11 for debian 10 and elasticsearch 6

.kitchen.yml

@@ -94,6 +94,20 @@ platforms:
         - /etc # This fixes certain java file actions that check the mount point. Without this adding users fails for some docker storage drivers
       use_sudo: false
       run_command: "/sbin/init"
+  - name: debian-10
+    driver_config:
+      image: debian:10
+      privileged: true
+      provision_command:
+        - apt-get update -q && apt-get install -y -q gnupg2 python-jmespath systemd-sysv
+        - echo "deb http://ppa.launchpad.net/ansible/ansible/ubuntu trusty main" > /etc/apt/sources.list.d/ansible.list
+        - apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 93C4A3FD7BB9C367
+        - apt-get update -q && apt-get install -y -q ansible
+      volume:
+        - <%=ENV['ES_XPACK_LICENSE_FILE']%>:/tmp/license.json
+        - /etc # This fixes certain java file actions that check the mount point. Without this adding users fails for some docker storage drivers
+      use_sudo: false
+      run_command: "/sbin/init"
   - name: centos-7
     driver_config:
       image: centos:7

README.md

@@ -11,6 +11,7 @@ Ansible role for 7.x/6.x Elasticsearch.  Currently this works on Debian and RedH
 * Ubuntu 18.04
 * Debian 8
 * Debian 9
+* Debian 10
 * CentOS 7
 
 The latest Elasticsearch versions of 7.x & 6.x are actively tested.

test/matrix.yml

@@ -7,6 +7,7 @@ OS:
   - ubuntu-1804
   - debian-8
   - debian-9
+  - debian-10
   - centos-7
 TEST_TYPE:
   - oss

vars/Debian.yml

@@ -1,5 +1,6 @@
 ---
-java: "{% if es_java is defined %}{{es_java}}{% else %}openjdk-8-jre-headless{% endif %}"
+java_version: "{% if ansible_os_family == 'Debian' and ansible_distribution_major_version == '10' %}11{% else %}8{% endif %}"
+java: "{% if es_java is defined %}{{es_java}}{% else %}openjdk-{{ java_version }}-jre-headless{% endif %}"
 default_file: "/etc/default/elasticsearch"
 es_home: "/usr/share/elasticsearch"
 es_apt_key_id: "46095ACC8548582C1A2699A9D27D666CD88E42B4"