Add automatic deployment scripts (#362)

* Add ansible scripts to deploy Nanocloud

* Add a script and a new docker-compose file to deploy several PR

* Fix directory detection so users can run this script from anywhere

* Restore branch "master" after deploying a PR

* Change guacamole.properties to call right backend

* Create a new frontend volum for each PullRequest.

* Add configuration file

deployments/README.md

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+# Nanocloud deployments
+
+This directory is a collection of tools to deploy Nanocloud.
+
+## Install with ansible
+
+### Dependencies
+
+You need ansible 1.9 or above to use this installation
+
+Install dependencies
+
+```
+ansible-galaxy install franklinkim.docker
+ansible-galaxy install franklinkim.docker-compose
+```
+
+> Note: You may need to have root privilege to install those dependencies. You
+> won't need it to run deployment.
+
+### Configure
+
+Configure where *ansible* will deploy your installation by modifying the
+*ansible_hosts* file.
+
+```
+[nanocloud]
+api ansible_host=127.0.0.1 ansible_user=user
+```
+
+In this file, you can specify several servers and give name to them to deploy
+multiple instances of Nanocloud:
+
+```
+[nanocloud]
+api-instance1 ansible_host=10.0.0.2 ansible_user=user1
+api-customerX ansible_host=10.0.0.3 ansible_user=user2
+```
+
+Use the file *deployments/roles/nanocloud/files/nanocloud/config.env* to
+override configuration variable like you should normally do with the *config.env*
+file
+
+### Run
+
+Run Playbook
+
+```
+ansible-playbook nanocloud.yml
+```
+
+## Run multiple instance on a same host
+
+The script *deploy-pr.sh* is here to help you deploy a specific Github Pull Request
+on any environment in parallel.
+
+You can deploy several PR on a single machine. Each deployment will have its
+own *database*, *frontend*, *backend* and *guacamole-client*.
+
+To use it, run the following command:
+
+```
+./deployments/deploy-pr.sh ${PR_NUMBER}
+```
+
+And if the remote is not called *origin* you can specify another name:
+
+```
+./deployments/deploy-pr.sh 175 base
+```

deployments/ansible.cfg

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+[defaults]
+hostfile = ansible_hosts
+remote_user = user
+host_key_checking = False

deployments/ansible_hosts

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+[nanocloud]
+api ansible_host=127.0.0.1 ansible_user=user

deployments/deploy-pr.sh

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+#!/bin/bash
+
+# Nanocloud turns any traditional software into a cloud solution, without
+# changing or redeveloping existing source code.
+#
+# Copyright (C) 2016 Nanocloud Software
+#
+# This file is part of Nanocloud.
+#
+# Nanocloud is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# Nanocloud is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General
+# Public License
+# along with this program.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# Detect where is the absolute path to repository
+NANOCLOUD_DEPLOY_SCRIPT="$(readlink -e "${0}")"
+NANOCLOUD_DEPLOY_DIR=$(dirname "${NANOCLOUD_DEPLOY_SCRIPT}")
+NANOCLOUD_REPO_DIR=$(dirname "${NANOCLOUD_DEPLOY_DIR}")
+
+PR_NUMBER=${1}
+REMOTE_NAME=${2:-"origin"}
+
+BRANCH_NAME="PR-${PR_NUMBER}"
+DOCKER_COMPOSE_YML="docker-compose-${PR_NUMBER}.yml"
+
+cd "${NANOCLOUD_REPO_DIR}" || exit 1
+
+# Fetch pull request
+git fetch "${REMOTE_NAME}" "pull/${PR_NUMBER}/head:${BRANCH_NAME}"
+git checkout "${BRANCH_NAME}"
+
+# Custom configurations
+cp proxy/nginx.conf proxy/nginx.pr.conf
+sed -i "s/backend:/backend-42${PR_NUMBER}:/" "proxy/nginx.pr.conf"
+sed -i "s/guacamole-client:/guacamole-client-42${PR_NUMBER}:/" "proxy/nginx.pr.conf"
+
+cp docker-compose-pr.yml "${DOCKER_COMPOSE_YML}"
+sed -i "s/PRPORTS/42${PR_NUMBER}/" "${DOCKER_COMPOSE_YML}"
+
+cp guacamole-client/guac_home/guacamole.properties guacamole-client/guac_home/guacamole.properties.backup
+sed -i "s/noauthlogged-server-url: backend/noauthlogged-server-url: backend-42${PR_NUMBER}/" "guacamole-client/guac_home/guacamole.properties"
+
+cp config/connections.js backupConnection.js
+sed -i "s/host: 'postgres'/host: 'postgres-42${PR_NUMBER}'/" "config/connections.js"
+
+# Build and run containers
+docker-compose build
+docker-compose up -d storage guacd
+docker-compose -f "${DOCKER_COMPOSE_YML}" up -d
+
+# Erase custom configurations
+mv backupConnection.js config/connections.js
+mv guacamole-client/guac_home/guacamole.properties.backup guacamole-client/guac_home/guacamole.properties
+rm -rf proxy/nginx.pr.conf
+rm -rf "${DOCKER_COMPOSE_YML}"
+git checkout master

deployments/group_vars/all

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+repository: Nanocloud
+branch: master
+#pull_request: XXX

deployments/nanocloud.yml

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+---
+
+- hosts: all
+  remote_user: debian
+  become: yes
+  vars:
+    repository: Nanocloud
+    #pull_request: XX
+    branch: master
+  roles:
+    - common
+    - franklinkim.docker
+    - franklinkim.docker-compose
+    - nanocloud

deployments/requirements.yml

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+- src: franklinkim.docker
+- src: franklinkim.docker-compose

deployments/roles/common/tasks/main.yml

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+- name: Update APT repositories
+  apt: update_cache=yes

deployments/roles/nanocloud/tasks/main.yml

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+- name: Install git
+  apt: name=git state=present
+
+- name: Clone nanocloud
+  git:
+    repo: git://github.com/{{repository}}/nanocloud
+    dest: /nanocloud
+    force: yes
+
+- name: Copy custom configuration
+  copy: src=roles/nanocloud/files/nanocloud/config.env dest=/nanocloud/config.env owner=root group=root mode=0644
+
+- name: Deploy Pull Request {{pull_request}}
+  command: /nanocloud/deployments/deploy-pr.sh {{pull_request}}
+  when: pull_request is defined
+
+- name: Checkout specific branch
+  command: git checkout {{branch|default(master)}}
+  args:
+    chdir: /nanocloud
+  when:
+    - pull_request is undefined
+
+- name: Docker compose build
+  command: docker-compose build
+  args:
+    chdir: /nanocloud
+  when:
+    - pull_request is undefined
+
+- name: Docker compose build development containers
+  command: docker-compose -f docker-compose-dev.yml up -d
+  args:
+    chdir: /nanocloud
+  when:
+    - pull_request is undefined
+
+- name: Docker compose up
+  command: docker-compose -f docker-compose-dev.yml up -d
+  args:
+    chdir: /nanocloud
+  when:
+    - pull_request is undefined

docker-compose-pr.yml

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+version: '2'
+
+services:
+  backend-PRPORTS:
+    build:
+      context: ./
+      dockerfile: Dockerfile
+    image: nanocloud/backend
+    volumes:
+      - static-PRPORTS:/opt/back/assets/dist
+    env_file:
+      - config.env
+    networks:
+      - nanocloud
+    depends_on:
+      - postgres-PRPORTS
+    restart: always
+    container_name: backend-PRPORTS
+
+  frontend-PRPORTS:
+    build:
+      context: ./assets
+      dockerfile: Dockerfile
+    image: nanocloud/frontend
+    volumes:
+      - static-PRPORTS:/opt/dist
+    networks:
+      - nanocloud
+    container_name: frontend-PRPORTS
+
+  proxy-PRPORTS:
+    build: ./proxy
+    image: nanocloud/proxy
+    ports:
+      - PRPORTS:443
+    depends_on:
+      - backend-PRPORTS
+    volumes:
+      - ./proxy/nginx.pr.conf:/etc/nginx/conf.d/default.conf:ro
+    networks:
+      - nanocloud
+    restart: always
+    container_name: proxy-PRPORTS
+
+  postgres-PRPORTS:
+    image: postgres:9.5.3
+    environment:
+      - PGDATA=/var/lib/postgresql/data/pgdata
+      - POSTGRES_USER=nanocloud
+    networks:
+      - nanocloud
+    restart: always
+    container_name: postgres-PRPORTS
+
+  guacamole-client-PRPORTS:
+    build: ./guacamole-client
+    image: nanocloud/guacamole-client
+    networks:
+      - nanocloud
+    restart: always
+    container_name: guacamole-client-PRPORTS
+
+networks:
+  nanocloud:
+    driver: bridge
+
+volumes:
+  static-PRPORTS:
+    driver: local
+  plaza:
+    driver: local