def emit(self, record: logging.LogRecord):
"""
Send log record to Loki.
"""
# noinspection PyBroadException
try:
labels = self.build_labels(record)
ts = rfc3339.format_microsecond(record.created)
line = self.format(record)
payload = {
"streams": [{
"labels": labels,
"entries": [{
"ts": ts,
"line": line
}]
}]
}
resp = self.session.post(self.url, json=payload)
if resp.status_code != 204:
raise ValueError(
"Unexpected Loki API response status code: %s" %
resp.status_code)
except Exception:
self.handleError(record)
def test_timestamp_added_to_values(emitter_v0):
emitter, session = emitter_v0
emitter(create_record(), "")
stream = get_stream(session)
expected = rfc3339.format_microsecond(time.time())
assert stream["entries"][0]["ts"] == expected
def build_payload(self, record: logging.LogRecord, line) -> dict:
"""Build JSON payload with a log entry."""
labels = self.build_labels(record)
ts = rfc3339.format_microsecond(record.created)
stream = {
"labels": labels,
"entries": [{"ts": ts, "line": line}],
}
return {"streams": [stream]}
def build_payload(self, record: logging.LogRecord, line) -> dict:
"""Build JSON payload with a log entry."""
labels = self.build_tags(record)
ns = 1e9
ts = rfc3339.format_microsecond(record.created)
stream = {
"stream": labels,
"values": [[ts, line]],
}
return {"streams": [stream]}