def __init__(self, daemonType, daemonId, callback):
coreConfig = CoreConfig()
self.logFile = coreConfig.getLogFile(daemonType) #, daemonId)
self.pidFile = coreConfig.getPidFile(daemonType) #, daemonId)
self.name = 'chains-%s-%s' % (daemonType, daemonId)
self.daemonType = daemonType
self.daemonId = daemonId
self.callback = callback
def main(daemonType, fork=True):
coreConfig = CoreConfig()
conf = coreConfig.data(daemonType)
if not conf:
raise Exception('No section "daemon_%s" in config' % id)
conf['id'] = resolveDaemonId(conf['id'])
for k in conf:
if k[0:4] == 'env_':
log.info('Set ENV.%s = %s' % (k[4:], conf[k]))
os.environ[k[4:]] = conf[k]
d = Daemon(daemonType, conf['id'], getDaemonMainFunction(daemonType))
if fork:
d.fork()
else:
d.main()
'''
Process manager for services using subprocess
'''
from chains.common import log
from chains.common.config import CoreConfig
from chains import service
import os, signal, time, subprocess, json, psutil, types
processes = {}
config = CoreConfig()
'''
todo:
* capture stdout/stderr? --> no, do it in service-runner
- option for relative path in config.command? then need servicedir config or something
* move pidfile stuff here, so non-py devs does not have to do it themselves
- some duplicate code here and in daemon/__init__.py - consolidate?
'''
def start(serviceConfig):
serviceId = serviceConfig['main'].get('id')
log.info('Start service: %s' % serviceId)
pid = isRunning(serviceId)
if pid:
log.error(
"Could not start service %s because already running on pid %s" %
def test_When_getting_pidfile_It_returns_the_correct_path(self):
conf = CoreConfig(file=self.path)
path = conf.getPidFile('manager')
self.assertEquals('/var/run/chains/manager.pid', path)
def test_When_getting_logfile_It_returns_the_correct_path(self):
conf = CoreConfig(file=self.path)
path = conf.getLogFile('manager')
self.assertEquals('/var/log/chains/manager.log', path)
def test_When_config_is_missing_It_is_auto_created(self):
conf = CoreConfig(file=self.path)
self.assertEquals('/etc/chains', conf.get('confdir'))
self.assertEquals('{hostname}', conf.get('id', 'manager'))