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fabfile.py
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fabfile.py
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#!/usr/bin/env python
from glob import glob
import os
from fabric.api import *
import app
import app_config
from etc import github
"""
Base configuration
"""
env.deployed_name = app_config.DEPLOYED_NAME
env.repo_name = app_config.REPOSITORY_NAME
env.deploy_to_servers = False
env.install_crontab = False
env.repo_url = '[email protected]:nprapps/%(repo_name)s.git' % env
env.alt_repo_url = None #'[email protected]:nprapps/%(repo_name)s.git' % env
env.user = 'ubuntu'
env.python = 'python2.7'
env.path = '/home/%(user)s/apps/%(deployed_name)s' % env
env.repo_path = '%(path)s/repository' % env
env.virtualenv_path = '%(path)s/virtualenv' % env
env.forward_agent = True
"""
Environments
"""
def production():
env.settings = 'production'
env.s3_buckets = app_config.PRODUCTION_S3_BUCKETS
env.hosts = app_config.PRODUCTION_SERVERS
def staging():
env.settings = 'staging'
env.s3_buckets = app_config.STAGING_S3_BUCKETS
env.hosts = app_config.STAGING_SERVERS
"""
Branches
"""
def stable():
"""
Work on stable branch.
"""
env.branch = 'stable'
def master():
"""
Work on development branch.
"""
env.branch = 'master'
def branch(branch_name):
"""
Work on any specified branch.
"""
env.branch = branch_name
"""
Template-specific functions
"""
def less():
"""
Render LESS files to CSS.
"""
for path in glob('less/*.less'):
filename = os.path.split(path)[-1]
name = os.path.splitext(filename)[0]
out_path = 'www/css/%s.less.css' % name
local('node_modules/.bin/lessc %s %s' % (path, out_path))
def jst():
"""
Render Underscore templates to a JST package.
"""
local('node_modules/.bin/jst --template underscore jst www/js/templates.js')
def app_config_js():
"""
Render app_config.js to file.
"""
from app import _app_config_js
response = _app_config_js()
js = response[0]
with open('www/js/app_config.js', 'w') as f:
f.write(js)
def render():
"""
Render HTML templates and compile assets.
"""
from flask import g
less()
jst()
# Fake out deployment target
app_config.configure_targets(env.get('settings', None))
app_config_js()
compiled_includes = []
for rule in app.app.url_map.iter_rules():
rule_string = rule.rule
name = rule.endpoint
if name == 'static':
print 'Skipping %s' % name
continue
if name.startswith('_'):
print 'Skipping %s' % name
continue
if rule_string.endswith('/'):
filename = 'www' + rule_string + 'index.html'
elif rule_string.endswith('.html'):
filename = 'www' + rule_string
else:
print 'Skipping %s' % name
continue
print 'Rendering %s' % (filename)
with app.app.test_request_context(path=rule_string):
g.compile_includes = True
g.compiled_includes = compiled_includes
view = app.__dict__[name]
content = view()
compiled_includes = g.compiled_includes
with open(filename, 'w') as f:
f.write(content)
# Un-fake-out deployment target
app_config.configure_targets(app_config.DEPLOYMENT_TARGET)
"""
Setup
"""
def setup():
"""
Setup servers for deployment.
"""
require('settings', provided_by=[production, staging])
require('branch', provided_by=[stable, master, branch])
setup_directories()
setup_virtualenv()
clone_repo()
checkout_latest()
install_requirements()
def setup_directories():
"""
Create server directories.
"""
require('settings', provided_by=[production, staging])
run('mkdir -p %(path)s' % env)
def setup_virtualenv():
"""
Setup a server virtualenv.
"""
require('settings', provided_by=[production, staging])
run('virtualenv -p %(python)s --no-site-packages %(virtualenv_path)s' % env)
run('source %(virtualenv_path)s/bin/activate' % env)
def clone_repo():
"""
Clone the source repository.
"""
require('settings', provided_by=[production, staging])
run('git clone %(repo_url)s %(repo_path)s' % env)
if env.get('alt_repo_url', None):
run('git remote add bitbucket %(alt_repo_url)s' % env)
def checkout_latest(remote='origin'):
"""
Checkout the latest source.
"""
require('settings', provided_by=[production, staging])
require('branch', provided_by=[stable, master, branch])
env.remote = remote
run('cd %(repo_path)s; git fetch %(remote)s' % env)
run('cd %(repo_path)s; git checkout %(branch)s; git pull %(remote)s %(branch)s' % env)
def install_requirements():
"""
Install the latest requirements.
"""
require('settings', provided_by=[production, staging])
run('%(virtualenv_path)s/bin/pip install -U -r %(repo_path)s/requirements.txt' % env)
def install_crontab():
"""
Install cron jobs script into cron.d.
"""
require('settings', provided_by=[production, staging])
sudo('cp %(repo_path)s/crontab /etc/cron.d/%(deployed_name)s' % env)
def uninstall_crontab():
"""
Remove a previously install cron jobs script from cron.d
"""
require('settings', provided_by=[production, staging])
sudo('rm /etc/cron.d/%(deployed_name)s' % env)
def bootstrap_issues():
"""
Bootstraps Github issues with default configuration.
"""
auth = github.get_auth()
github.delete_existing_labels(auth)
github.create_default_labels(auth)
github.create_default_tickets(auth)
"""
Deployment
"""
def _deploy_to_s3():
"""
Deploy the gzipped stuff to
"""
s3cmd = 's3cmd -P --add-header=Cache-Control:max-age=5 --guess-mime-type --recursive --exclude-from gzip_types.txt sync gzip/ %s'
s3cmd_gzip = 's3cmd -P --add-header=Cache-Control:max-age=5 --add-header=Content-encoding:gzip --guess-mime-type --recursive --exclude "*" --include-from gzip_types.txt sync gzip/ %s'
for bucket in env.s3_buckets:
env.s3_bucket = bucket
local(s3cmd % ('s3://%(s3_bucket)s/%(deployed_name)s/' % env))
local(s3cmd_gzip % ('s3://%(s3_bucket)s/%(deployed_name)s/' % env))
def _gzip_www():
"""
Gzips everything in www and puts it all in gzip
"""
local('python gzip_www.py')
local('rm -rf gzip/live-data')
def deploy(remote='origin'):
"""
Deploy the latest app to S3 and, if configured, to our servers.
"""
require('settings', provided_by=[production, staging])
if env.get('deploy_to_servers', False):
require('branch', provided_by=[stable, master, branch])
if (env.settings == 'production' and env.branch != 'stable'):
_confirm("You are trying to deploy the '%(branch)s' branch to production.\nYou should really only deploy a stable branch.\nDo you know what you're doing?" % env)
render()
_gzip_www()
_deploy_to_s3()
if env.get('deploy_to_servers', False):
checkout_latest(remote)
if env.get('install_crontab', False):
install_crontab()
"""
Destruction
"""
def _confirm(message):
answer = prompt(message, default="Not at all")
if answer.lower() not in ('y', 'yes', 'buzz off','screw you'):
exit()
def shiva_the_destroyer():
"""
Deletes the app from s3
"""
require('settings', provided_by=[production, staging])
_confirm("You are about to destroy everything deployed to %(settings)s for this project.\nDo you know what you're doing?" % env)
with settings(warn_only=True):
s3cmd = 's3cmd del --recursive %s'
for bucket in env.s3_buckets:
env.s3_bucket = bucket
local(s3cmd % ('s3://%(s3_bucket)s/%(deployed_name)s' % env))
if env.get('deploy_to_servers', False):
run('rm -rf %(path)s' % env)
if env.get('install_crontab', False):
uninstall_crontab()
"""
App-template meta-commands
"""
def super_merge():
"""
Merge master branch into all init- branches.
"""
_confirm("You are about to merge 'master' into all 'init-' branches.\nDo you know what you're doing?")
local('git fetch')
local('git checkout master')
for branch in ['table', 'map', 'chat']:
local('git checkout init-%s' % branch)
local('git merge origin/init-%s --no-edit' % branch)
local('git merge master --no-edit')
local('git checkout master')
local('git push --all')