Add Java installation

readme.md

@@ -10,6 +10,7 @@ This role installs, configures, and upgrades Tomcat instances.
 |---|---|---|---|
 | `uid` | no | `1234` | UID to run Tomcat under. Defaults to `53`. |
 | `gid` | no | `1234` | GID to run Tomcat under. Defaults to `53`. |
+| `java_version` | no | `17` | Java version to install. Supported values are `8`, `11`, `17`. Defaults to `17`. |
 
 ## Examples
 
@@ -19,6 +20,7 @@ This role installs, configures, and upgrades Tomcat instances.
   vars:
     uid: 1234
     gid: 1234
+    java_version: 17
 ```
 
 ## Return Values

tasks/java.yml

@@ -0,0 +1,20 @@
+---
+# Debian:
+# - openjdk-8-jre-headless
+# - openjdk-11-jre-headless
+# - openjdk-17-jre-headless
+#
+# EL:
+# - java-1.8.0-openjdk-headless
+# - java-11-openjdk-headless
+# - java-17-openjdk-headless
+#
+# Facepalm...
+
+- set_fact:
+    pkg_java_ver: "{% if java_version is defined %}{% if ansible_os_family == 'RedHat' and java_version | string == '8' %}1.8.0{% else %}{{ java_version }}{% endif %}{% else %}{{ default_java_version }}{% endif %}"
+
+- name: "Install Java {{ pkg_java_ver }}"
+  package:
+    name: "{% if ansible_os_family == 'RedHat' %}java-{{ pkg_java_ver }}-openjdk-headless{% else %}openjdk-{{ pkg_java_ver }}-jre-headless{% endif %}"
+    state: latest

tasks/main.yml

@@ -1,2 +1,3 @@
 ---
 - include_tasks: unixcred.yml
+- include_tasks: java.yml

tasks/unixcred.yml

@@ -2,10 +2,10 @@
 - name: Create Tomcat Unix grop
   group:
     name: tomcat
-    gid: "{{ gid | default(tomcat_id) }}"
+    gid: "{{ gid | default(default_tomcat_id) }}"
 
 - name: Create Tomcat Unix user
   user:
     name: tomcat
-    uid: "{{ uid | default(tomcat_id) }}"
+    uid: "{{ uid | default(default_tomcat_id) }}"
     group: tomcat

tests/main.yml

@@ -6,3 +6,4 @@
       vars:
         uid: 1234
         gid: '1234'
+        java_version: 8

vars/main.yml

@@ -1,3 +1,4 @@
 ---
-# this is the ID used on CentOS 7, let's default to that
-tomcat_id: 53
+# This is the ID used on CentOS 7, let's default to that.
+default_tomcat_id: 53
+default_java_version: 17