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Propagate opentracing contexts through EDUs (#5852)
Propagate opentracing contexts through EDUs Co-Authored-By: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
This commit is contained in:
Jorik Schellekens
GitHub
parent
0b39fa53b6
commit
8767b63a82
9 changed files with 234 additions and 94 deletions
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@ -14,11 +14,19 @@
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# limitations under the License.
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import logging
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from canonicaljson import json
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from twisted.internet import defer
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from synapse.api.errors import HttpResponseException
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from synapse.federation.persistence import TransactionActions
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from synapse.federation.units import Transaction
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from synapse.logging.opentracing import (
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extract_text_map,
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set_tag,
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start_active_span_follows_from,
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tags,
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)
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from synapse.util.metrics import measure_func
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logger = logging.getLogger(__name__)
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@ -44,93 +52,109 @@ class TransactionManager(object):
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@defer.inlineCallbacks
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def send_new_transaction(self, destination, pending_pdus, pending_edus):
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# Sort based on the order field
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pending_pdus.sort(key=lambda t: t[1])
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pdus = [x[0] for x in pending_pdus]
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edus = pending_edus
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# Make a transaction-sending opentracing span. This span follows on from
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# all the edus in that transaction. This needs to be done since there is
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# no active span here, so if the edus were not received by the remote the
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# span would have no causality and it would be forgotten.
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# The span_contexts is a generator so that it won't be evaluated if
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# opentracing is disabled. (Yay speed!)
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success = True
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logger.debug("TX [%s] _attempt_new_transaction", destination)
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txn_id = str(self._next_txn_id)
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logger.debug(
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"TX [%s] {%s} Attempting new transaction" " (pdus: %d, edus: %d)",
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destination,
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txn_id,
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len(pdus),
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len(edus),
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span_contexts = (
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extract_text_map(json.loads(edu.get_context())) for edu in pending_edus
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)
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transaction = Transaction.create_new(
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origin_server_ts=int(self.clock.time_msec()),
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transaction_id=txn_id,
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origin=self._server_name,
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destination=destination,
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pdus=pdus,
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edus=edus,
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)
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with start_active_span_follows_from("send_transaction", span_contexts):
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self._next_txn_id += 1
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# Sort based on the order field
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pending_pdus.sort(key=lambda t: t[1])
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pdus = [x[0] for x in pending_pdus]
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edus = pending_edus
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logger.info(
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"TX [%s] {%s} Sending transaction [%s]," " (PDUs: %d, EDUs: %d)",
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destination,
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txn_id,
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transaction.transaction_id,
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len(pdus),
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len(edus),
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)
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success = True
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# Actually send the transaction
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logger.debug("TX [%s] _attempt_new_transaction", destination)
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# FIXME (erikj): This is a bit of a hack to make the Pdu age
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# keys work
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def json_data_cb():
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data = transaction.get_dict()
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now = int(self.clock.time_msec())
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if "pdus" in data:
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for p in data["pdus"]:
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if "age_ts" in p:
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unsigned = p.setdefault("unsigned", {})
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unsigned["age"] = now - int(p["age_ts"])
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del p["age_ts"]
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return data
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txn_id = str(self._next_txn_id)
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try:
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response = yield self._transport_layer.send_transaction(
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transaction, json_data_cb
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logger.debug(
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"TX [%s] {%s} Attempting new transaction" " (pdus: %d, edus: %d)",
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destination,
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txn_id,
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len(pdus),
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len(edus),
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)
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code = 200
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except HttpResponseException as e:
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code = e.code
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response = e.response
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if e.code in (401, 404, 429) or 500 <= e.code:
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logger.info("TX [%s] {%s} got %d response", destination, txn_id, code)
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raise e
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transaction = Transaction.create_new(
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origin_server_ts=int(self.clock.time_msec()),
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transaction_id=txn_id,
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origin=self._server_name,
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destination=destination,
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pdus=pdus,
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edus=edus,
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)
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logger.info("TX [%s] {%s} got %d response", destination, txn_id, code)
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self._next_txn_id += 1
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if code == 200:
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for e_id, r in response.get("pdus", {}).items():
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if "error" in r:
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logger.info(
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"TX [%s] {%s} Sending transaction [%s]," " (PDUs: %d, EDUs: %d)",
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destination,
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txn_id,
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transaction.transaction_id,
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len(pdus),
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len(edus),
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)
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# Actually send the transaction
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# FIXME (erikj): This is a bit of a hack to make the Pdu age
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# keys work
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def json_data_cb():
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data = transaction.get_dict()
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now = int(self.clock.time_msec())
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if "pdus" in data:
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for p in data["pdus"]:
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if "age_ts" in p:
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unsigned = p.setdefault("unsigned", {})
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unsigned["age"] = now - int(p["age_ts"])
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del p["age_ts"]
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return data
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try:
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response = yield self._transport_layer.send_transaction(
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transaction, json_data_cb
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)
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code = 200
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except HttpResponseException as e:
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code = e.code
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response = e.response
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if e.code in (401, 404, 429) or 500 <= e.code:
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logger.info(
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"TX [%s] {%s} got %d response", destination, txn_id, code
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)
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raise e
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logger.info("TX [%s] {%s} got %d response", destination, txn_id, code)
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if code == 200:
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for e_id, r in response.get("pdus", {}).items():
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if "error" in r:
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logger.warn(
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"TX [%s] {%s} Remote returned error for %s: %s",
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destination,
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txn_id,
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e_id,
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r,
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)
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else:
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for p in pdus:
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logger.warn(
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"TX [%s] {%s} Remote returned error for %s: %s",
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"TX [%s] {%s} Failed to send event %s",
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destination,
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txn_id,
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e_id,
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r,
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p.event_id,
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)
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else:
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for p in pdus:
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logger.warn(
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"TX [%s] {%s} Failed to send event %s",
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destination,
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txn_id,
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p.event_id,
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)
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success = False
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success = False
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return success
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set_tag(tags.ERROR, not success)
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return success
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