Added basic ansible playbook

ansible/README.md

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+## Sample Ansible playbook
+

ansible/ansible.cfg

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+# config file for ansible -- https://ansible.com/
+# ===============================================
+
+[defaults]
+inventory = ./inventory.yml
+host_key_checking = False
+remote_user = ubuntu
+deprecation_warnings=False
+private_key_file  = .workspace/private.pem
+ansible_ssh_private_key_file: /home/user/id_rsa
+ansible_connection: ssh
+ansible_ssh_user: ubuntu

ansible/group_vars/all

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+---
+ansible_user: ubuntu

ansible/inventory.yml

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+all:
+
+  hosts:
+  children:
+    sentry:
+      hosts:
+        123.456.789.12:
+        23.34.45.56:
+    validator:
+      hosts:
+        45.56.78.89:

ansible/playbooks/network.yml

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+---
+- name: Node setup
+  hosts: all
+  tasks:
+    - name: Install deps
+      include_role:
+        name: roles/install-deps
+        apply: 
+          tags: always
+      tags: 
+        - install_deps
+
+    - name: Install binary
+      include_role: 
+        name: roles/install-binary
+        apply:
+          tags: always
+      tags: 
+        - Build
+
+

ansible/roles/install-binary/vars/main.yml

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+---
+branch: master
+
+repo: https://github.com/cosmos/gaia.git

ansible/roles/install-deps/tasks/main.yml

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+---
+# Installing deps
+
+- name: apt-get update
+  apt: 
+    update_cache: yes
+  become: true
+
+- name: build-essential
+  action: apt pkg=build-essential
+  become: true
+
+- name: libssl-dev
+  action: apt pkg=libssl-dev
+  become: true
+
+- name: libseccomp-dev
+  action: apt pkg=libseccomp-dev
+  become: true
+
+- name: pkg-config
+  action: apt pkg=pkg-config
+  become: true
+
+- name: jq
+  action: apt pkg=jq
+  become: true
+
+- name: git
+  action: apt pkg=git
+  become: true
+
+- name: make
+  action: apt pkg=make
+  become: true
+
+- name: netstat
+  action: apt pkg=netstat-tools
+  become: true
+
+
+- name: Download go script
+  get_url:
+  url: https://gist.githubusercontent.com/kaustubhkapatral/e0ee6100acb42bd9d4d97f067f7ce3eb/raw/30f9b7eca627986610ec9bafa217341df85502ed/go.sh
+  dest: "{{ ansible_env.HOME }}/go.sh"
+  mode: '0755'
+
+- name: Run go.sh
+  command: bash go.sh
+    args: 
+      chdir: "{{ ansible_env.HOME }}"
+
+- name: Remove go.sh
+  file:
+    path: "{{ ansible_env.HOME }}/go.sh"
+    state: absent