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GitAutoDeploy.py
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GitAutoDeploy.py
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#!/usr/bin/env python
import json, sys, os
from http.server import BaseHTTPRequestHandler, HTTPServer
from subprocess import call
class GitAutoDeploy(BaseHTTPRequestHandler):
CONFIG_FILEPATH = './GitAutoDeploy.conf.json'
config = None
quiet = False
daemon = False
@classmethod
def getConfig(myClass):
if(myClass.config == None):
try:
configString = open(myClass.CONFIG_FILEPATH).read()
except:
sys.exit('Could not load ' + myClass.CONFIG_FILEPATH + ' file')
try:
myClass.config = json.loads(configString)
except:
sys.exit(myClass.CONFIG_FILEPATH + ' file is not valid json')
for repository in myClass.config['repositories']:
if(not os.path.isdir(repository['path'])):
sys.exit('Directory ' + repository['path'] + ' not found')
# Check for a repository with a local or a remote GIT_WORK_DIR
if not os.path.isdir(os.path.join(repository['path'], '.git')) \
and not os.path.isdir(os.path.join(repository['path'], 'objects')):
sys.exit('Directory ' + repository['path'] + ' is not a Git repository')
return myClass.config
def do_POST(self):
event = self.headers.get('X-Github-Event')
if event == 'ping':
if not self.quiet:
print ('Ping event received')
self.respond(204)
return
if event != 'push':
if not self.quiet:
print ('We only handle ping and push events')
self.respond(304)
return
self.respond(204)
urls = self.parseRequest()
for url in urls:
paths = self.getMatchingPaths(url)
for path in paths:
self.fetch(path)
self.deploy(path)
def parseRequest(self):
length = int(self.headers.get('content-length'))
body = self.rfile.read(length)
payload = json.loads(body)
self.branch = payload['ref']
return [payload['repository']['url']]
def getMatchingPaths(self, repoUrl):
res = []
config = self.getConfig()
for repository in config['repositories']:
if(repository['url'] == repoUrl):
res.append(repository['path'])
return res
def respond(self, code):
self.send_response(code)
self.send_header('Content-type', 'text/plain')
self.end_headers()
def fetch(self, path):
if(not self.quiet):
print ("\nPost push request received")
print ('Updating ' + path)
call(['cd "' + path + '" && git pull'], shell=True) # previously: git fetch
def deploy(self, path):
config = self.getConfig()
for repository in config['repositories']:
if(repository['path'] == path):
if 'deploy' in repository:
branch = None
if 'branch' in repository:
branch = repository['branch']
if branch is None or branch == self.branch:
if(not self.quiet):
print ('Executing deploy command')
call(['cd "' + path + '" && ' + repository['deploy']], shell=True)
elif not self.quiet:
print ('Push to different branch (%s != %s), not deploying' % (branch, self.branch))
break
def main():
try:
server = None
for arg in sys.argv:
if(arg == '-d' or arg == '--daemon-mode'):
GitAutoDeploy.daemon = True
GitAutoDeploy.quiet = True
if(arg == '-q' or arg == '--quiet'):
GitAutoDeploy.quiet = True
if(GitAutoDeploy.daemon):
pid = os.fork()
if(pid != 0):
sys.exit()
os.setsid()
if(not GitAutoDeploy.quiet):
print ('Github Autodeploy Service v0.2 started')
else:
print ('Github Autodeploy Service v 0.2 started in daemon mode')
server = HTTPServer(('', GitAutoDeploy.getConfig()['port']), GitAutoDeploy)
server.serve_forever()
except (KeyboardInterrupt, SystemExit) as e:
if(e): # wtf, why is this creating a new line?
print (e, file=sys.stderr)
if(not server is None):
server.socket.close()
if(not GitAutoDeploy.quiet):
print ('Goodbye')
if __name__ == '__main__':
main()