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mirror of https://github.com/Adam-Ant/drone-trigger synced 2024-11-05 13:46:22 +00:00
drone-trigger/main.py
Adam Dodman 2ae4b02cd2 Replace ConfigParser with ConfigObj
This allows us to persist comments when we write to the config file, and
it being an actual list helps with some things we might want to do in
the future
2017-07-16 22:41:13 +01:00

135 lines
4.7 KiB
Python

import os
import time
import argparse
from configobj import ConfigObj
import requests
from json import loads as jload
defaultconfig = '''
[Connection]
# Specify the URL to the drone server, including port and protocol
host = https://drone.example.org
auth_key = eyJEXAMPLE.AUTH.KEY
# Specified in seconds (Default: 300)
#sleep_time = 300
#[ExampleGitHubBuild]
# Example shown uses githubs api to find and compare on the sha of the latest commit
# Name of the repo to trigger in drone
#drone_repo = Example/HelloWorld
# URL of the json structure that needs curling
#url = https://api.github.com/repos/Kaylee/ShinyRepo/git/refs/heads/master
# JSON Tree needed to resolve the value.
#structure = object.sha
#[ExampleGitHubRelease]
#drone_repo = Example/HelloRelease
#url = https://api.github.com/repos/Kaylee/ShinyRepo/releases/latest
#structure = name
'''
def runbuild(repo: str):
url = drone_host + '/api/repos/' + repo
latest = jload(requests.get(url + '/builds/latest',
headers={'Authorization': auth}).text)['number']
buildurl = url + '/builds/' + str(latest) + '?fork=true'
# [[TODO]] Add functionality for checking if build was triggered successfully?
return (requests.post(buildurl, headers={'Authorization': drone_auth_key}))
def jsonVal(jraw, struct):
try:
dataDict = jload(jraw)
for i in struct.split('.'):
dataDict = dataDict[i]
return dataDict
except KeyError:
print('Error: Invalid structure: ' + struct)
print(dataDict)
exit(1)
except:
raise
if __name__ == '__main__':
argparser = argparse.ArgumentParser(
prog='DroneTrigger.py', description='Drone Triggerer triggers drone builds based on updates to arbitrary GitHub repos.')
argparser.add_argument(
'-c', '--config', help='Specify directory for config file')
cmdargs = argparser.parse_args()
if not (cmdargs.config):
filepath = '.'
else:
filepath = cmdargs.config
if not (os.path.isdir(filepath)):
print('Error: Config directory does not exist. Exiting...')
exit(1)
if not (os.path.isfile(filepath + '/dronetrigger.cfg')):
print('Warn: Config file does not exist, writing example config. Please configure and try again.')
c = open(filepath + '/dronetrigger.cfg', 'w')
c.write(defaultconfig)
c.close()
exit(78) # 78 is the exit code for invalid config
config = ConfigObj(filepath + '/dronetrigger.cfg')
if not ('Connection' in config):
print('Error: Connection block not found, please check your config')
exit(78)
if not (config['Connection'].get('host', False)) or not (config['Connection'].get('auth_key', False)):
print('Error: Missing connection details. please check your config')
exit(78)
if (len(config) < 2):
print('Error: Please configure some monitoring blocks!')
exit(78)
# These can be assumed since we have verified
drone_host = config['Connection']['host']
drone_auth_key = config['Connection']['auth_key']
sleep_time = int(config['Connection'].get('sleep_time', 300))
for service in config:
if service == 'Connection':
continue
if not (config[service].get('url', False)) or not (config[service].get('structure', False)) or not(config[service].get('drone_repo'), False):
print('Error: Missing required value in status block ' + service)
exit(78)
try:
r = requests.get(config[service].get('url'))
r.raise_for_status()
curr_value = jsonVal(r.text, config[service].get('structure'))
except:
raise
if not (config[service].get('current_value', False)):
print('Writing Initial value for ' + service + ': ' + curr_value)
config[service]['current_value'] = curr_value
config.write()
while(True):
for service in config:
if service == 'Connection':
continue
try:
r = requests.get(config[service].get('url'))
r.raise_for_status()
new_value = jsonVal(r.text, config[service].get('structure'))
if (new_value != config[service]['current_value']):
print(date.strftime("%d/%m/%Y %H:%M:%S") +
': Got new build - ' + new_value)
runbuild(config[service].get('drone_repo'))
config[service]['current_value'] = new_value
with open(filepath + '/dronetrigger.cfg', 'w') as configfile:
config.write(configfile)
except:
raise
time.sleep(sleep_time)