mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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258 lines
8.3 KiB
Python
258 lines
8.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from six.moves import urllib
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from prometheus_client import Counter
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from twisted.internet import defer
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from synapse.api.constants import ThirdPartyEntityKind
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from synapse.api.errors import CodeMessageException
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from synapse.events.utils import serialize_event
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from synapse.http.client import SimpleHttpClient
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from synapse.types import ThirdPartyInstanceID
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from synapse.util.caches.response_cache import ResponseCache
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logger = logging.getLogger(__name__)
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sent_transactions_counter = Counter(
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"synapse_appservice_api_sent_transactions",
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"Number of /transactions/ requests sent",
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["service"]
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)
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failed_transactions_counter = Counter(
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"synapse_appservice_api_failed_transactions",
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"Number of /transactions/ requests that failed to send",
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["service"]
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)
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sent_events_counter = Counter(
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"synapse_appservice_api_sent_events",
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"Number of events sent to the AS",
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["service"]
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)
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HOUR_IN_MS = 60 * 60 * 1000
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APP_SERVICE_PREFIX = "/_matrix/app/unstable"
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def _is_valid_3pe_metadata(info):
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if "instances" not in info:
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return False
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if not isinstance(info["instances"], list):
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return False
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return True
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def _is_valid_3pe_result(r, field):
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if not isinstance(r, dict):
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return False
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for k in (field, "protocol"):
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if k not in r:
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return False
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if not isinstance(r[k], str):
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return False
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if "fields" not in r:
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return False
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fields = r["fields"]
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if not isinstance(fields, dict):
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return False
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for k in fields.keys():
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if not isinstance(fields[k], str):
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return False
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return True
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class ApplicationServiceApi(SimpleHttpClient):
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"""This class manages HS -> AS communications, including querying and
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pushing.
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"""
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def __init__(self, hs):
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super(ApplicationServiceApi, self).__init__(hs)
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self.clock = hs.get_clock()
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self.protocol_meta_cache = ResponseCache(hs, "as_protocol_meta",
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timeout_ms=HOUR_IN_MS)
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@defer.inlineCallbacks
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def query_user(self, service, user_id):
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if service.url is None:
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defer.returnValue(False)
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uri = service.url + ("/users/%s" % urllib.parse.quote(user_id))
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response = None
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try:
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response = yield self.get_json(uri, {
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"access_token": service.hs_token
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})
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if response is not None: # just an empty json object
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defer.returnValue(True)
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except CodeMessageException as e:
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if e.code == 404:
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defer.returnValue(False)
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return
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logger.warning("query_user to %s received %s", uri, e.code)
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except Exception as ex:
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logger.warning("query_user to %s threw exception %s", uri, ex)
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defer.returnValue(False)
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@defer.inlineCallbacks
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def query_alias(self, service, alias):
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if service.url is None:
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defer.returnValue(False)
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uri = service.url + ("/rooms/%s" % urllib.parse.quote(alias))
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response = None
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try:
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response = yield self.get_json(uri, {
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"access_token": service.hs_token
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})
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if response is not None: # just an empty json object
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defer.returnValue(True)
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except CodeMessageException as e:
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logger.warning("query_alias to %s received %s", uri, e.code)
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if e.code == 404:
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defer.returnValue(False)
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return
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except Exception as ex:
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logger.warning("query_alias to %s threw exception %s", uri, ex)
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defer.returnValue(False)
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@defer.inlineCallbacks
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def query_3pe(self, service, kind, protocol, fields):
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if kind == ThirdPartyEntityKind.USER:
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required_field = "userid"
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elif kind == ThirdPartyEntityKind.LOCATION:
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required_field = "alias"
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else:
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raise ValueError(
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"Unrecognised 'kind' argument %r to query_3pe()", kind
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)
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if service.url is None:
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defer.returnValue([])
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uri = "%s%s/thirdparty/%s/%s" % (
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service.url,
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APP_SERVICE_PREFIX,
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kind,
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urllib.parse.quote(protocol)
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)
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try:
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response = yield self.get_json(uri, fields)
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if not isinstance(response, list):
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logger.warning(
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"query_3pe to %s returned an invalid response %r",
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uri, response
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)
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defer.returnValue([])
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ret = []
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for r in response:
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if _is_valid_3pe_result(r, field=required_field):
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ret.append(r)
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else:
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logger.warning(
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"query_3pe to %s returned an invalid result %r",
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uri, r
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)
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defer.returnValue(ret)
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except Exception as ex:
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logger.warning("query_3pe to %s threw exception %s", uri, ex)
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defer.returnValue([])
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def get_3pe_protocol(self, service, protocol):
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if service.url is None:
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defer.returnValue({})
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@defer.inlineCallbacks
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def _get():
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uri = "%s%s/thirdparty/protocol/%s" % (
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service.url,
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APP_SERVICE_PREFIX,
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urllib.parse.quote(protocol)
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)
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try:
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info = yield self.get_json(uri, {})
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if not _is_valid_3pe_metadata(info):
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logger.warning("query_3pe_protocol to %s did not return a"
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" valid result", uri)
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defer.returnValue(None)
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for instance in info.get("instances", []):
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network_id = instance.get("network_id", None)
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if network_id is not None:
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instance["instance_id"] = ThirdPartyInstanceID(
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service.id, network_id,
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).to_string()
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defer.returnValue(info)
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except Exception as ex:
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logger.warning("query_3pe_protocol to %s threw exception %s",
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uri, ex)
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defer.returnValue(None)
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key = (service.id, protocol)
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return self.protocol_meta_cache.wrap(key, _get)
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@defer.inlineCallbacks
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def push_bulk(self, service, events, txn_id=None):
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if service.url is None:
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defer.returnValue(True)
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events = self._serialize(events)
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if txn_id is None:
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logger.warning("push_bulk: Missing txn ID sending events to %s",
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service.url)
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txn_id = str(0)
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txn_id = str(txn_id)
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uri = service.url + ("/transactions/%s" %
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urllib.parse.quote(txn_id))
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try:
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yield self.put_json(
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uri=uri,
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json_body={
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"events": events
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},
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args={
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"access_token": service.hs_token
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})
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sent_transactions_counter.labels(service.id).inc()
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sent_events_counter.labels(service.id).inc(len(events))
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defer.returnValue(True)
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return
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except CodeMessageException as e:
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logger.warning("push_bulk to %s received %s", uri, e.code)
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except Exception as ex:
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logger.warning("push_bulk to %s threw exception %s", uri, ex)
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failed_transactions_counter.labels(service.id).inc()
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defer.returnValue(False)
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def _serialize(self, events):
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time_now = self.clock.time_msec()
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return [
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serialize_event(e, time_now, as_client_event=True) for e in events
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]
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