def process_event(self, event):
mtd = getattr(self.monitor, '{Type}_{Action}'.format(**event), None)
if mtd:
mtd(self.cli, **event)
else:
logger.debug('no processor to handle %s_%s', event['Type'],
event['Action'])
def delete(self, service_name):
logger.debug("delete %s service", service_name)
if not self.exists(service_name): # not exists, just return.
logger.error('try delete %s but not exists', service_name)
return
self.configurations[service_name].delete()
del self.configurations[service_name] # set service name to empty.
def run(self):
'''
watch docker event.
'''
for event in self.events:
event_obj = json.loads(
event.decode('utf-8')) # docker event encoded in json-format.
logger.debug('docker event: {}'.format(event_obj))
self.process_event(event_obj)
def load_all(cls, client):
logger.debug('load all containers.')
ret = {}
containers = client.containers.list()
for container in containers:
logger.debug('get container %s %s', container.id, container.name)
obj = cls(container)
ret[obj.id] = obj
return ret
def __init__(self, container):
self.name = container.name
self.image = container.image.tags
self.id = container.id
port_mappings = container.ports
self.port = 0
for key in port_mappings:
ports = port_mappings[key]
for port in ports:
logger.debug('%s -> %s', key, port['HostPort'])
if '0.0.0.0' == port['HostIp']:
self.port = int(port['HostPort'])
self.is_running = 'running' == container.status
self.svc_name = self.get_service_name(container)
self.auth_backend = self.get_auth_backend(container)
def generate_to_fp(svc_obj, template, fp):
logger.debug('generate configure of %s', svc_obj.name)
auth_backends = svc_obj.auth_backend or config.get('auth.backend')
need_auth = auth_backends and not svc_obj.auth_bypass and not svc_obj.is_authorize_backend
if need_auth:
logger.info('use auth backends: %s', auth_backends)
params = {'svc': svc_obj,
'auth': {
'backend': auth_backends,
'bypass': not need_auth
}
}
if config.getboolean('template.debug', False):
logger.debug(template.render(params))
template.stream(params).dump(fp)
def __init__(self, configuration_path=None, nginx_pid_file=None):
if not nginx_pid_file:
nginx_pid_file = self.__get_default_nginx_pid()
logger.info('nginx_pid_file is empty, use default pid file %s',
nginx_pid_file)
if not configuration_path:
configuration_path = self.__get_default_nginx_conf()
logger.info(
'configuration_path is empty, use default configure path %s',
configuration_path)
logger.debug("nginx configuration path is %s", configuration_path)
logger.debug('nginx pid file is %s', nginx_pid_file)
self.nginx_pid = self.__get_master_pid_from(nginx_pid_file)
self.configuration_path = configuration_path
self.configurations = {}
self.__load_config()
self.__dump_config()
def decode(self, svc):
logger.debug("try decode %s", svc)
mapper = json.loads(svc)
return Service(**mapper)
def reload(self):
try:
logger.debug("Reload nginx pid %d", self.nginx_pid)
kill(self.nginx_pid, SIGHUP)
except Exception as e:
raise e
def delete_host(self, node_id=None, container_id=None):
logger.debug('delete host of %s %s', node_id, container_id)
self.hosts = [
x for x in self.hosts if not self.filter(x, node_id, container_id)
]