Fix role idempotence

JIRA INFRA-2580 #action In Progress

tasks/main.yml

 ---
-- name: update apt cache
-  apt:
-    update_cache: true
-  when: ansible_facts['os_family'] == "Debian"
+- name: install required dependencies for RedHat
+  yum:
+    name: unzip
+    state: present
+  when: ansible_facts['os_family'] == "RedHat"
 
-- name: install required dependencies
-  package:
+# update_cache is required but can't be passed to the package module
+- name: install required dependencies for Debian
+  apt:
     name: unzip
     state: present
+    update_cache: true
+  when: ansible_facts['os_family'] == "Debian"
 
 - name: create the java base directory
   file: