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/vulnwhisperer/tasks/main.yml

@@ -0,0 +1,67 @@
+---
+- name: install required packages
+  package:
+    name: "{{ item }}"
+    state: present
+  with_items: "{{ base_packages }}"
+  tags:
+    - install
+
+- name: install python packages
+  package:
+    name: "{{ item }}"
+    state: present
+  with_items: "{{ python_packages }}"
+  tags:
+    - install
+
+- name: create required directories
+  file:
+    state: directory
+    path: "{{ item }}"
+  with_items:
+    - "{{ vulnwhisperer.prefix }}"
+    - "{{ vulnwhisperer.prefix }}/{{ vulnwhisperer.location }}"
+  tags:
+    - install
+
+- name: deploy application
+  git:
+    accept_hostkey: yes
+    clone: yes
+    dest: "{{ vulnwhisperer.prefix }}/{{ vulnwhisperer.location }}"
+    force: yes
+    repo: "{{ vulnwhisperer.repository }}"
+  register: repository
+  tags:
+    - install
+    - update
+
+- name: create virtualenv
+  pip:
+    virtualenv: "{{ vulnwhisperer.prefix }}/{{ vulnwhisperer.venv_location }}"
+    requirements: "{{ vulnwhisperer.prefix  }}/{{ vulnwhisperer.location  }}/requirements.txt"
+    virtualenv_python: /usr/bin/python2.7
+  tags:
+    - install
+    - update
+
+- name: install vulnwhisperer in virtualenv
+  command: "{{ vulnwhisperer.prefix }}/{{ vulnwhisperer.venv_location }}/bin/python setup.py install"
+  args:
+    chdir: "{{ vulnwhisperer.prefix }}/{{ vulnwhisperer.location }}"
+  tags:
+    - install
+    - update
+ 
+- name: load configuration file from provided path
+  set_fact:
+    configuration_file_contents: "{{lookup('file', configuration_file )}}"
+
+- name: install vulnwhisperer configuration file
+  copy:
+    dest: "{{ vulnwhisperer.prefix }}/{{ vulnwhisperer.location }}/configs/{{ vulnwhisperer.configuration_file_name }}"
+    content: "{{ configuration_file_contents }}"
+  tags:
+    - install
+    - update