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-scripts.yml

@@ -0,0 +1,26 @@
+---
+
+- name: set fact es_script_dir
+  set_fact: es_script_dir={{ es_conf_dir }}/{{es_instance_name}}
+  tags:
+      - always
+
+- name: set fact es_script_dir when path.scripts
+  set_fact: es_script_dir={{es_config['path.scripts']}}
+  when: es_config['path.scripts'] is defined
+  tags:
+      - always
+
+- name: Create script dir
+  become: yes
+  file: state=directory path={{ es_script_dir }} owner={{ es_user }} group={{ es_group }} recurse=yes
+
+- name: Copy default scripts to elasticsearch
+  become: yes
+  copy: src=scripts dest={{ es_script_dir }} owner={{ es_user }} group={{ es_group }}
+  when: es_scripts_fileglob is not defined
+
+- name: Copy scripts to elasticsearch
+  become: yes
+  copy: src={{ item }} dest={{ es_script_dir }} owner={{ es_user }} group={{ es_group }}
+  with_fileglob: "{{ es_scripts_fileglob | default('') }}"