async def _request_dispatch(
self,
n: Notification,
log: NotificationLoggerAdapter,
body: dict,
headers: Dict[AnyStr, List[AnyStr]],
pushkeys: List[str],
span: Span,
) -> Tuple[List[str], List[str]]:
poke_start_time = time.time()
failed = []
response, response_text = await self._perform_http_request(
body, headers)
RESPONSE_STATUS_CODES_COUNTER.labels(pushkin=self.name,
code=response.code).inc()
log.debug("GCM request took %f seconds", time.time() - poke_start_time)
span.set_tag(tags.HTTP_STATUS_CODE, response.code)
if 500 <= response.code < 600:
log.debug("%d from server, waiting to try again", response.code)
retry_after = None
for header_value in response.headers.getRawHeaders(b"retry-after",
default=[]):
retry_after = int(header_value)
span.log_kv({
"event": "gcm_retry_after",
"retry_after": retry_after
})
raise TemporaryNotificationDispatchException(
"GCM server error, hopefully temporary.",
custom_retry_delay=retry_after)
elif response.code == 400:
log.error(
"%d from server, we have sent something invalid! Error: %r",
response.code,
response_text,
)
# permanent failure: give up
raise NotificationDispatchException("Invalid request")
elif response.code == 401:
log.error("401 from server! Our API key is invalid? Error: %r",
response_text)
# permanent failure: give up
raise NotificationDispatchException("Not authorised to push")
elif response.code == 404:
# assume they're all failed
log.info("Reg IDs %r get 404 response; assuming unregistered",
pushkeys)
return pushkeys, []
elif 200 <= response.code < 300:
try:
resp_object = json_decoder.decode(response_text)
except ValueError:
raise NotificationDispatchException(
"Invalid JSON response from GCM.")
if "results" not in resp_object:
log.error(
"%d from server but response contained no 'results' key: %r",
response.code,
response_text,
)
if len(resp_object["results"]) < len(pushkeys):
log.error(
"Sent %d notifications but only got %d responses!",
len(n.devices),
len(resp_object["results"]),
)
span.log_kv({
logs.EVENT: "gcm_response_mismatch",
"num_devices": len(n.devices),
"num_results": len(resp_object["results"]),
})
# determine which pushkeys to retry or forget about
new_pushkeys = []
for i, result in enumerate(resp_object["results"]):
if "error" in result:
log.warning("Error for pushkey %s: %s", pushkeys[i],
result["error"])
span.set_tag("gcm_error", result["error"])
if result["error"] in BAD_PUSHKEY_FAILURE_CODES:
log.info(
"Reg ID %r has permanently failed with code %r: "
"rejecting upstream",
pushkeys[i],
result["error"],
)
failed.append(pushkeys[i])
elif result["error"] in BAD_MESSAGE_FAILURE_CODES:
log.info(
"Message for reg ID %r has permanently failed with code %r",
pushkeys[i],
result["error"],
)
else:
log.info(
"Reg ID %r has temporarily failed with code %r",
pushkeys[i],
result["error"],
)
new_pushkeys.append(pushkeys[i])
return failed, new_pushkeys
else:
raise NotificationDispatchException(
f"Unknown GCM response code {response.code}")
def get_report_summary(objectives: Iterator[Objective], unit: str,
start: datetime, end: datetime,
current_span: opentracing.Span) -> List[dict]:
summary = []
start = truncate(start)
for objective in objectives:
days = collections.defaultdict(dict)
if not len(objective.targets):
current_span.log_kv({
'objective_skipped': True,
'objective': objective.id
})
continue
current_span.log_kv({
'objective_target_count': len(objective.targets),
'objective_id': objective.id
})
# Instrument objective summary!
objective_summary_span = opentracing.tracer.start_span(
operation_name='report_objective_summary', child_of=current_span)
objective_summary_span.set_tag('objective_id', objective.id)
with objective_summary_span:
for target in objective.targets:
objective_summary_span.log_kv({
'target_id':
target.id,
'indicator_id':
target.indicator_id
})
ivs = (IndicatorValue.query.filter(
IndicatorValue.indicator_id == target.indicator_id,
IndicatorValue.timestamp >= start,
IndicatorValue.timestamp < end).order_by(
IndicatorValue.timestamp))
target_values_truncated = truncate_values(
ivs, parent_span=objective_summary_span)
for truncated_date, target_values in target_values_truncated.items(
):
target_form = target.target_from or float('-inf')
target_to = target.target_to or float('inf')
target_count = len(target_values)
target_sum = sum(target_values)
breaches = target_count - len([
v for v in target_values
if v >= target_form and v <= target_to
])
days[truncated_date.isoformat()][target.indicator.name] = {
'aggregation': target.indicator.aggregation,
'avg': target_sum / target_count,
'breaches': breaches,
'count': target_count,
'max': max(target_values),
'min': min(target_values),
'sum': target_sum,
}
summary.append({
'title':
objective.title,
'description':
objective.description,
'id':
objective.id,
'targets': [{
'from': t.target_from,
'to': t.target_to,
'sli_name': t.indicator.name,
'unit': t.indicator.unit,
'aggregation': t.indicator.aggregation
} for t in objective.targets],
'days':
days
})
return summary