Add ansible provisioning (#122)

* first ansible skeleton

* first commit of ansible installation of vulnwhisperer outside docker

* first ansible skeleton

* first commit of ansible installation of vulnwhisperer outside docker

* refactor the ansible role a bit

* update readme, add fail validation step to provision.yml and fix
typo when calling a logging funciton

ansible/roles/elastic.elasticsearch/handlers/main.yml

@@ -0,0 +1,14 @@
+
+- name: reload systemd configuration
+  become: yes
+  command: systemctl daemon-reload
+
+# Restart service and ensure it is enabled
+
+- name: restart elasticsearch
+  become: yes
+  service: name={{instance_init_script | basename}} state=restarted enabled=yes
+  when:
+    - es_restart_on_change
+    - es_start_service
+  register: es_restarted