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qa_service.py
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qa_service.py
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import sys
import json
import yaml
import argparse
import datetime
import requests
import gitlab
import psycopg2
import psycopg2.extras
import tornado.ioloop
import tornado.web
import tornado.httpserver
from tornado.escape import json_encode
def pg_connect(settings):
try:
conn = psycopg2.connect(
dbname=settings['DB_NAME'],
user=settings['DB_USER'],
host=settings['DB_HOST'],
password=settings['DB_PASS'],
port=settings['DB_PORT'])
return (conn)
except:
print >> sys.stderr, 'Could not connect to pgsql'
sys.exit(1)
def init_db(settings):
conn = pg_connect(settings)
cur = conn.cursor()
cur.execute("select table_name FROM information_schema.tables WHERE \
table_catalog=%s and \
table_schema='public';", (settings['DB_NAME'],))
if cur.rowcount > 0:
return(True)
try:
cur.execute("CREATE TABLE qa_status (\
id serial PRIMARY KEY, \
qa_id integer, \
status varchar(50), \
last_update timestamp, \
web_branch_name varchar(100), \
api_branch_name varchar(100), \
pagetests_branch_name varchar(100));")
conn.commit()
cur.close()
except:
print >> sys.stderr, 'cannot initialize db'
sys.exit(1)
class BaseHandler(tornado.web.RequestHandler):
@tornado.web.asynchronous
def initialize(self, settings, *args, **kwargs):
super(BaseHandler, self).initialize(*args, **kwargs)
self._settings = settings
class GetWebQaPrHandler(BaseHandler):
def get(self):
auth_header = {'Authorization':
'token %s' % self._settings['GITHUB_TOKEN']}
r = requests.get(self._settings['GITHUB_PR_SEARCH_URL'],
params=self._settings['GITHUB_PR_WEB_SEARCH_PARAMS'],
headers=auth_header)
jres = r.json()
pulls = [x['number'] for x in jres['items']]
branches = []
for pull in pulls:
r = requests.get(self._settings['GITHUB_PR_WEB_URL'] % pull,
headers=auth_header)
branches.append({"name": r.json()['head']['ref'],
"value": r.json()['head']['ref']})
self.set_header('Content-Type', 'application/json')
self.write(json_encode(branches))
self.finish()
class GetApiBranchesHandler(BaseHandler):
def get(self):
auth_header = {'Authorization':
'token %s' % self._settings['GITHUB_TOKEN']}
r = requests.get(self._settings['GITHUB_BR_API_URL'],
headers=auth_header)
branches = [{'name': x['name'], 'value': x['name']} for x in r.json()]
self.set_header('Content-Type', 'application/json')
self.write(json_encode(branches))
self.finish()
class GetPagetestsBranchesHandler(BaseHandler):
def get(self):
git = gitlab.Gitlab(self._settings['GITLAB_URL'],
token=self._settings['GITLAB_TOKEN'],
verify_ssl=self._settings['GITLAB_VERIFY_SSL'])
r = git.getbranches(self._settings['GITLAB_PAGETESTS_PROJECT_ID'])
branches = [{'name': x['name'], 'value': x['name']} for x in r]
self.set_header('Content-Type', 'application/json')
self.write(json_encode(branches))
self.finish()
class GetQaServersHandler(BaseHandler):
def get(self):
import re
import pyrax
pyrax.set_setting('identity_type', 'rackspace')
pyrax.set_credential_file(
self._settings['RAX_CREDS_FILE'],
region=self._settings['RAX_REGION'])
cs = pyrax.cloudservers
server_list = cs.servers.list()
servers = []
r = re.compile(r'qa-(\d+)$')
for i in server_list:
if r.match(i.name):
servers.append({
'name': i.name,
'value': r.match(i.name).group(1)})
self.set_header('Content-Type', 'application/json')
self.write(json_encode(servers))
self.finish()
class GetQaServerStatusHandler(BaseHandler):
def get(self):
conn = pg_connect(self._settings)
cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
cur.execute("SELECT * from qa_status ORDER BY last_update DESC")
res = [['id', 'Server Name', 'Web Branch',
'Api Branch', 'Pagetests Branch', 'Last up', 'Status']]
if cur.rowcount > 0:
for row in cur.fetchall():
res.append([row['qa_id'],
'qa-%s' % row['qa_id'],
row['web_branch_name'],
row['api_branch_name'],
row['pagetests_branch_name'],
row['last_update'].strftime('%Y-%m-%d %H:%M:%S'),
row['status']])
self.set_header('Content-Type', 'application/json')
self.write(json_encode(res))
self.finish()
class CleanQaServerStatusHandler(BaseHandler):
def get(self):
conn = pg_connect(self._settings)
cur = conn.cursor()
try:
cur.execute("DELETE FROM qa_status WHERE status='Destroyed!' and "
"last_update < NOW() - INTERVAL '%s "
"days';", (self._settings['STATUS_RETENTION_DAYS'],))
conn.commit()
self.write('ok')
self.finish()
except:
print >> sys.stderr, 'Error in clean query'
self.write('Error executing cleanup query')
self.finish()
class GetBranchNameByIdHandler(BaseHandler):
def get(self, proj, qa_id):
conn = pg_connect(self._settings)
cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
field_name = '%s_branch_name' % proj
cur.execute('SELECT {field_name} FROM qa_status \
WHERE qa_id=%s'.format(field_name=field_name), (qa_id,))
row = cur.fetchall()[0]
self.set_header('Content-Type', 'application/json')
self.write(json_encode([{'name': row[field_name],
'value': row[field_name]}]))
self.finish()
class GetViralizePlaybookBranchHandler(BaseHandler):
def get(self):
res = []
for branch in self._settings['VIRALIZE_PLAYBOOK_BRANCHES']:
res.append({'name': branch, 'value': branch})
self.set_header('Content-Type', 'application/json')
self.write(json_encode(res))
self.finish()
class UpdateStatusHandler(BaseHandler):
def post(self, qa_id):
data = json.loads(self.request.body)
data['last_update'] = datetime.datetime.now()
conn = pg_connect(self._settings)
cur = conn.cursor()
try:
update_query = ("UPDATE qa_status SET {fields} WHERE \
qa_id={qa_id}".format(
qa_id=qa_id,
fields=','.join(["%s='%s'" % (k, v) for
k, v in data.iteritems()])))
data['qa_id'] = qa_id
insert_query = ("INSERT INTO qa_status ({fields}) SELECT {values} \
WHERE NOT EXISTS (SELECT 1 from qa_status WHERE \
qa_id={qa_id})").format(
qa_id=qa_id,
fields=','.join([k for k in data.iterkeys()]),
values=','.join(["'%s'" % v for v in data.itervalues()]))
cur.execute(update_query)
cur.execute(insert_query)
conn.commit()
self.set_status(200)
self.write('OK')
self.finish()
except:
print >> sys.stderr, 'Error in update status query'
self.set_status(500, reason='Error update status query')
self.write('FAIL')
self.finish()
class GetWebQaIdHandler(BaseHandler):
def get(self, qa_id):
self.set_header('Content-Type', 'application/json')
self.write(json_encode([{'name': qa_id, 'value': qa_id}]))
self.finish()
class GetMailUserHandler(BaseHandler):
def get(self, user):
for u in self._settings['USERS']:
if u['user'] == user:
self.write(u['mail'])
break
self.finish()
def make_app(settings):
init_db(settings)
return tornado.web.Application([
(r"/web/get_qa_pr", GetWebQaPrHandler, dict(settings=settings)),
(r"/api/get_branches", GetApiBranchesHandler, dict(settings=settings)),
(r"/pagetests/get_branches",
GetPagetestsBranchesHandler,
dict(settings=settings)),
(r"/get_qa_servers", GetQaServersHandler, dict(settings=settings)),
(r"/get_qa_server_status",
GetQaServerStatusHandler,
dict(settings=settings)),
(r"/clean_qa_server_status",
CleanQaServerStatusHandler,
dict(settings=settings)),
(r"/get_branch_name_by_id/(web|api)/([0-9]+)",
GetBranchNameByIdHandler,
dict(settings=settings)),
(r"/get_viralize_playbook_branch",
GetViralizePlaybookBranchHandler,
dict(settings=settings)),
(r"/update_status/([0-9]+)",
UpdateStatusHandler,
dict(settings=settings)),
(r"/web/get_qa_id/VR-([0-9]+)-.*",
GetWebQaIdHandler,
dict(settings=settings)),
(r"/get_mail_user/(.*)",
GetMailUserHandler,
dict(settings=settings))
])
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-p', '--port', help='listen port',
default=8888, type=int)
parser.add_argument('-c', '--conf', help='config file path',
default='./qa_service.yml')
args = parser.parse_args()
with open(args.conf) as f:
settings = yaml.load(f)
app = make_app(settings)
server = tornado.httpserver.HTTPServer(app)
server.bind(settings['PORT'])
server.start(settings['PROC_NUM'])
tornado.ioloop.IOLoop.current().start()
if __name__ == '__main__':
main()