Merge branch 'feature/ansible-install-docker' into develop

deploy/ansible/hosts

@@ -0,0 +1,13 @@
+#Inventory file, example configuration is presented below
+
+[centos7]
+35.195.89.33
+
+[debian8]
+104.155.33.227
+
+[ubuntu16]
+35.195.93.48
+
+[all:vars]
+ansible_ssh_user=iroha

deploy/ansible/provisioning.yml

@@ -0,0 +1,32 @@
+---
+- hosts: all
+  vars:
+    user: iroha #your user on the remote machine
+
+  tasks:
+    - name: Test if docker is installed
+      command: docker --version
+      register: docker_exists
+      failed_when: false
+
+    - name: Download docker installation script
+      get_url:
+        url: https://get.docker.com
+        dest: /tmp/script.sh
+        mode: 0755
+        validate_certs: false
+      when: docker_exists.rc|int > 0
+
+    - name: Install docker using downloaded script
+      shell: /tmp/script.sh
+      args:
+        chdir: /tmp
+      when: docker_exists.rc|int > 0
+
+    - name: Add usermod to run docker from {{ user }} user
+      command: usermod -aG docker {{user}}
+      become: yes
+
+    - name: Make sure docker is running
+      service: name=docker state=started
+      become: yes