def __call__(self, target, creds):
"""
Check http: rules by calling to a remote server.
This example implementation simply verifies that the response
is exactly 'True'.
"""
url = ('http:' + self.match) % target
data = {'target': jsonutils.dumps(target),
'credentials': jsonutils.dumps(creds)}
post_data = urllib.urlencode(data)
f = urllib2.urlopen(url, post_data)
return f.read() == "True"
def __init__(self, session, node_name, node_opts=None):
"""Init the Publisher class with the exchange_name, routing_key,
and other options
"""
self.sender = None
self.session = session
addr_opts = {
"create": "always",
"node": {
"type": "topic",
"x-declare": {
"durable": False,
# auto-delete isn't implemented for exchanges in qpid,
# but put in here anyway
"auto-delete": True,
},
},
}
if node_opts:
addr_opts["node"]["x-declare"].update(node_opts)
self.address = "%s ; %s" % (node_name, jsonutils.dumps(addr_opts))
self.reconnect(session)
def _create_or_update_agent(self, context, agent):
with context.session.begin(subtransactions=True):
res_keys = ["agent_type", "binary", "host", "topic"]
res = dict((k, agent[k]) for k in res_keys)
configurations_dict = agent.get("configurations", {})
res["configurations"] = jsonutils.dumps(configurations_dict)
current_time = timeutils.utcnow()
try:
agent_db = self._get_agent_by_type_and_host(context, agent["agent_type"], agent["host"])
res["heartbeat_timestamp"] = current_time
if agent.get("start_flag"):
res["started_at"] = current_time
greenthread.sleep(0)
agent_db.update(res)
except ext_agent.AgentNotFoundByTypeHost:
greenthread.sleep(0)
res["created_at"] = current_time
res["started_at"] = current_time
res["heartbeat_timestamp"] = current_time
res["admin_state_up"] = True
agent_db = Agent(**res)
greenthread.sleep(0)
context.session.add(agent_db)
greenthread.sleep(0)
def format(self, record):
message = {'message': record.getMessage(),
'asctime': self.formatTime(record, self.datefmt),
'name': record.name,
'msg': record.msg,
'args': record.args,
'levelname': record.levelname,
'levelno': record.levelno,
'pathname': record.pathname,
'filename': record.filename,
'module': record.module,
'lineno': record.lineno,
'funcname': record.funcName,
'created': record.created,
'msecs': record.msecs,
'relative_created': record.relativeCreated,
'thread': record.thread,
'thread_name': record.threadName,
'process_name': record.processName,
'process': record.process,
'traceback': None}
if hasattr(record, 'extra'):
message['extra'] = record.extra
if record.exc_info:
message['traceback'] = self.formatException(record.exc_info)
return jsonutils.dumps(message)
def serialize_remote_exception(failure_info, log_failure=True):
"""Prepares exception data to be sent over rpc.
Failure_info should be a sys.exc_info() tuple.
"""
tb = traceback.format_exception(*failure_info)
failure = failure_info[1]
if log_failure:
LOG.error(_("Returning exception %s to caller"), unicode(failure))
LOG.error(tb)
kwargs = {}
if hasattr(failure, 'kwargs'):
kwargs = failure.kwargs
data = {
'class': str(failure.__class__.__name__),
'module': str(failure.__class__.__module__),
'message': unicode(failure),
'tb': tb,
'args': failure.args,
'kwargs': kwargs
}
json_data = jsonutils.dumps(data)
return json_data
def serialize_msg(raw_msg, force_envelope=False):
if not _SEND_RPC_ENVELOPE and not force_envelope:
return raw_msg
# NOTE(russellb) See the docstring for _RPC_ENVELOPE_VERSION for more
# information about this format.
msg = {_VERSION_KEY: _RPC_ENVELOPE_VERSION,
_MESSAGE_KEY: jsonutils.dumps(raw_msg)}
return msg
def notify(_context, message):
"""Notifies the recipient of the desired event given the model.
Log notifications using openstack's default logging system"""
priority = message.get('priority',
CONF.default_notification_level)
priority = priority.lower()
logger = logging.getLogger(
'crdservice.openstack.common.notification.%s' %
message['event_type'])
getattr(logger, priority)(jsonutils.dumps(message))
def __str__(self):
"""Dumps a string representation of the rules."""
# Start by building the canonical strings for the rules
out_rules = {}
for key, value in self.items():
# Use empty string for singleton TrueCheck instances
if isinstance(value, TrueCheck):
out_rules[key] = ''
else:
out_rules[key] = str(value)
# Dump a pretty-printed JSON representation
return jsonutils.dumps(out_rules, indent=4)
def __init__(self, session, callback, node_name, node_opts,
link_name, link_opts):
"""Declare a queue on an amqp session.
'session' is the amqp session to use
'callback' is the callback to call when messages are received
'node_name' is the first part of the Qpid address string, before ';'
'node_opts' will be applied to the "x-declare" section of "node"
in the address string.
'link_name' goes into the "name" field of the "link" in the address
string
'link_opts' will be applied to the "x-declare" section of "link"
in the address string.
"""
self.callback = callback
self.receiver = None
self.session = None
addr_opts = {
"create": "always",
"node": {
"type": "topic",
"x-declare": {
"durable": True,
"auto-delete": True,
},
},
"link": {
"name": link_name,
"durable": True,
"x-declare": {
"durable": False,
"auto-delete": True,
"exclusive": False,
},
},
}
addr_opts["node"]["x-declare"].update(node_opts)
addr_opts["link"]["x-declare"].update(link_opts)
self.address = "%s ; %s" % (node_name, jsonutils.dumps(addr_opts))
self.reconnect(session)
def default(self, data):
def sanitizer(obj):
return unicode(obj)
return jsonutils.dumps(data, default=sanitizer)
