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/tasks/elasticsearch.yml

@@ -0,0 +1,13 @@
+---
+
+- name: Include optional user and group creation.
+  when: (es_user_id is defined) and (es_group_id is defined)
+  include: elasticsearch-optional-user.yml
+
+- name: Include specific Elasticsearch
+  include: elasticsearch-Debian.yml
+  when: ansible_os_family == 'Debian'
+
+- name: Include specific Elasticsearch
+  include: elasticsearch-RedHat.yml
+  when: ansible_os_family == 'RedHat'