Ansible playbook for basic deployment

This commit is contained in:
Christoph Haas 2017-04-09 21:40:54 +02:00
parent e21caf0434
commit 0ebd0d7ee5
5 changed files with 274 additions and 0 deletions

3
ansible/ansible.cfg Normal file
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[defaults]
inventory = ./hosts

89
ansible/debshots.yml Normal file
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---
- hosts: all
vars:
ruby_version: 2.4.1
handlers:
- name: restart nginx
service: name=nginx state=restarted
tasks:
- name: Install packages
apt: name="{{item}}" state=installed
with_items:
- htop
- python-psycopg2
- ruby
#- passenger
#- nginx-full
- apt-transport-https
- ca-certificates
#- build-essential
#- ruby-dev
- libssl-dev
- libreadline-dev
- zlib1g-dev
#- libcurl4-gnutls-dev
#- ruby-bundler
#- nodejs
- git
- name: Enable Jessie backports repository
apt_repository: repo="deb http://ftp.debian.org/debian jessie-backports main"
- name: Set up american locales to avoid warnings about missing locales
locale_gen: name=en_US.UTF-8 state=present
- name: Install PostgreSQL
apt: name=postgresql state=installed
- name: Create PostgreSQL user
become: yes
become_user: postgres
postgresql_user: name=debshots
- name: Create PostgreSQL database
become: yes
become_user: postgres
postgresql_db: name=debshots owner=debshots encoding=UTF-8 template=template0
- name: Create application user
user: name=debshots groups=adm home=/opt/debshots shell=/bin/bash
#- name: Install Passenger Gem
# gem: name=passenger state=present
#- name: Install Passenger and Nginx
# shell: passenger-install-nginx-module --auto
#- name: Validate installation
# shell: passenger-config validate-install --auto
- apt_key: keyserver=keyserver.ubuntu.com id=561F9B9CAC40B2F7
- apt_repository: repo="deb https://oss-binaries.phusionpassenger.com/apt/passenger jessie main"
- apt: name="{{item}}" state=installed
with_items:
- nginx-extras
- passenger
# Install newer Ruby version using rbenv
- name: Get rbenv
become: yes
become_user: debshots
git:
repo: https://github.com/rbenv/rbenv.git
dest: /opt/debshots/.rbenv
- name: Get rbenv-install
become: yes
become_user: debshots
git:
repo: https://github.com/rbenv/ruby-build.git
dest: /opt/debshots/.rbenv/plugins/ruby-build
- name: enable rbenv
copy:
src: files/debshots-bash-profile
dest: /opt/debshots/.profile
owner: debshots
- name: Build Ruby version
shell: sudo -iu debshots rbenv install -v {{ruby_version}} creates=/opt/debshots/.rbenv/versions/{{ruby_version}}
- name: Install certbot to get certificates from Let's Encrypt
apt: name=certbot default_release=jessie-backports
- name: Deploy nginx config
copy:
src: files/nginx.conf
dest: /etc/nginx/sites-available/default
notify:
restart nginx
- debug: msg="Please run 'certbot certonly --webroot -w /opt/debshots/public -d screenshots.debian.net'"

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# ~/.profile: executed by the command interpreter for login shells.
# This file is not read by bash(1), if ~/.bash_profile or ~/.bash_login
# exists.
# see /usr/share/doc/bash/examples/startup-files for examples.
# the files are located in the bash-doc package.
# the default umask is set in /etc/profile; for setting the umask
# for ssh logins, install and configure the libpam-umask package.
#umask 022
# if running bash
if [ -n "$BASH_VERSION" ]; then
# include .bashrc if it exists
if [ -f "$HOME/.bashrc" ]; then
. "$HOME/.bashrc"
fi
fi
# set PATH so it includes user's private bin if it exists
if [ -d "$HOME/bin" ] ; then
PATH="$HOME/bin:$PATH"
fi
# rbenv
export PATH="$HOME/.rbenv/bin:$HOME/.rbenv/plugins/ruby-build/bin:$PATH"
eval "$(rbenv init -)"

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ansible/files/nginx.conf Normal file
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##
# You should look at the following URL's in order to grasp a solid understanding
# of Nginx configuration files in order to fully unleash the power of Nginx.
# http://wiki.nginx.org/Pitfalls
# http://wiki.nginx.org/QuickStart
# http://wiki.nginx.org/Configuration
#
# Generally, you will want to move this file somewhere, and start with a clean
# file but keep this around for reference. Or just disable in sites-enabled.
#
# Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
##
#proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=assets:768m use_temp_path=off;
#add_header X-Cache-Status $upstream_cache_status;
#add_header X-Runtime 42;
more_clear_headers 'X-Runtime';
more_clear_headers 'X-Powered-By';
more_clear_headers 'Server';
server_tokens off;
proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=my_cache:10m max_size=10g inactive=60m use_temp_path=off;
log_format proxy '[$time_local] Cache: $upstream_cache_status $upstream_addr $upstream_response_time $status $bytes_sent $remote_addr $request_uri "$http_referer" "$http_user_agent" $scheme';
# Performance
passenger_max_pool_size 8;
passenger_max_request_queue_size 200;
limit_req_zone $binary_remote_addr zone=one:20m rate=5r/s;
# Frontend caching and static asset delivery
server {
listen *:80 default_server;
listen *:443 ssl;
ssl_certificate /etc/letsencrypt/live/screenshots.debian.net/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/screenshots.debian.net/privkey.pem;
root /opt/debshots/public;
server_name _;
access_log /var/log/nginx/cache-access.log proxy;
add_header X-Cache-Status $upstream_cache_status;
# Tell the backend if the protocol used was HTTPS. Otherwise you get an infinite
# redirection loop because the backend assumes that HTTP was spoken behind the
# proxy.
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
# Pass on the actual HTTP_HOST ("Host:" header) so that Rails can build proper absolute URLs
proxy_set_header Host $host;
gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
gzip_proxied any;
location / {
try_files /maintenance.html @backend;
add_header X-Coffee front-main;
}
location /json/ {
try_files /maintenance.html @backend;
proxy_cache my_cache;
proxy_pass http://127.0.0.1:8888/;
proxy_cache_lock on;
proxy_cache_use_stale updating;
add_header X-Coffee front-json;
}
location /favicon.ico {
alias /opt/debshots/public/favicon.ico;
}
location @backend {
proxy_cache my_cache;
proxy_pass http://127.0.0.1:8888;
# Avoid cache stampede - rather update once and deliver stale content
proxy_cache_lock on;
proxy_cache_use_stale updating;
add_header X-Coffee front-rails;
}
location /assets/ {
alias /opt/debshots/public/assets/;
expires 1h;
add_header X-Coffee front-assets;
}
location /logo/ {
alias /opt/debshots/public/logo/;
expires 1h;
add_header X-Coffee front-logo;
}
location /screenshots/ {
alias /opt/debshots/public/screenshots/;
expires max;
add_header X-Coffee front-screenshots;
}
location /images/ {
alias /opt/debshots/public/images/;
expires 1h;
add_header X-Coffee front-images;
}
}
# Backend rails application
server {
listen 127.0.0.1:8888;
root /opt/debshots/public;
server_name _;
access_log /var/log/nginx/rails-access.log;
passenger_enabled on;
passenger_ruby /opt/debshots/.rbenv/versions/2.4.1/bin/ruby;
# Send thumbnails using X-Sendfile / X-Accel-Redirect
# The correct thumbnail is computed by the Rails application so it cannot be served directly.
location /thumbnail/ {
expires 1h;
proxy_cache_valid 404 15m;
add_header X-Coffee back-thumbnail;
limit_req zone=one burst=30;
}
# Send public assets using X-Sendfile / X-Accel-Redirect (e.g. public/images/dummy/...)
location /public/ {
expires 1h;
add_header X-Coffee back-public;
passenger_set_header X-Sendfile-Type X-Accel-Redirect;
passenger_env_var HTTP_X_ACCEL_MAPPING /opt/debshots/public/=/__send_file_accel/;
passenger_pass_header X-Accel-Redirect;
}
location /__send_file_accel/ {
internal;
alias /opt/debshots/public/;
add_header X-Coffee back-accel;
expires 1d;
more_clear_headers 'Set-Cookie';
}
location /secretstatus {
stub_status;
access_log off;
allow all;
add_header X-Coffee back-status;
}
}

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ansible/hosts Normal file
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localhost ansible_connection=local