class DatahubRestSink(Sink):
config: DatahubRestSinkConfig
emitter: DatahubRestEmitter
report: SinkReport
def __init__(self, ctx: PipelineContext, config: DatahubRestSinkConfig):
super().__init__(ctx)
self.config = config
self.report = SinkReport()
self.emitter = DatahubRestEmitter(
self.config.server,
self.config.token,
connect_timeout_sec=self.config.timeout_sec, # reuse timeout_sec for connect timeout
read_timeout_sec=self.config.timeout_sec,
)
self.emitter.test_connection()
@classmethod
def create(cls, config_dict: dict, ctx: PipelineContext) -> "DatahubRestSink":
config = DatahubRestSinkConfig.parse_obj(config_dict)
return cls(ctx, config)
def handle_work_unit_start(self, workunit: WorkUnit) -> None:
pass
def handle_work_unit_end(self, workunit: WorkUnit) -> None:
pass
def write_record_async(
self,
record_envelope: RecordEnvelope[
Union[
MetadataChangeEvent,
MetadataChangeProposal,
MetadataChangeProposalWrapper,
UsageAggregation,
]
],
write_callback: WriteCallback,
) -> None:
record = record_envelope.record
try:
self.emitter.emit(record)
self.report.report_record_written(record_envelope)
write_callback.on_success(record_envelope, {})
except OperationalError as e:
self.report.report_failure({"error": e.message, "info": e.info})
write_callback.on_failure(record_envelope, e, e.info)
except Exception as e:
self.report.report_failure({"e": e})
write_callback.on_failure(record_envelope, e, {})
def get_report(self) -> SinkReport:
return self.report
def close(self):
pass
class FileSink(Sink):
config: FileSinkConfig
report: SinkReport
def __init__(self, ctx: PipelineContext, config: FileSinkConfig):
super().__init__(ctx)
self.config = config
self.report = SinkReport()
fpath = pathlib.Path(self.config.filename)
self.file = fpath.open("w")
self.file.write("[\n")
self.wrote_something = False
@classmethod
def create(cls, config_dict: dict, ctx: PipelineContext) -> "FileSink":
config = FileSinkConfig.parse_obj(config_dict)
return cls(ctx, config)
def handle_work_unit_start(self, wu):
self.id = wu.id
def handle_work_unit_end(self, wu):
pass
def write_record_async(
self,
record_envelope: RecordEnvelope[Union[MetadataChangeEvent,
MetadataChangeProposal,
MetadataChangeProposalWrapper,
UsageAggregation, ]],
write_callback: WriteCallback,
) -> None:
record = record_envelope.record
obj = record.to_obj()
if self.wrote_something:
self.file.write(",\n")
json.dump(obj, self.file, indent=4)
self.wrote_something = True
# record_string = str(record_envelope.record)
# metadata = record_envelope.metadata
# metadata["workunit-id"] = self.id
# out_line=f'{{"record": {record_string}, "metadata": {metadata}}}\n'
self.report.report_record_written(record_envelope)
write_callback.on_success(record_envelope, {})
def get_report(self):
return self.report
def close(self):
self.file.write("\n]")
self.file.close()
class FileSink(Sink):
config: FileSinkConfig
report: SinkReport
def __init__(self, ctx: PipelineContext, config: FileSinkConfig):
super().__init__(ctx)
self.config = config
self.report = SinkReport()
fpath = pathlib.Path(self.config.filename)
logger.info(f'Will write to {fpath}')
self.file = fpath.open('w')
self.file.write('[\n')
self.wrote_something = False
@classmethod
def create(cls, config_dict, ctx: PipelineContext):
config = FileSinkConfig.parse_obj(config_dict)
return cls(ctx, config)
def handle_work_unit_start(self, wu):
self.id = wu.id
def handle_work_unit_end(self, wu):
pass
def write_record_async(
self,
record_envelope: RecordEnvelope[MetadataChangeEvent],
write_callback: WriteCallback,
):
mce = record_envelope.record
obj = mce.to_obj()
if self.wrote_something:
self.file.write(',\n')
json.dump(obj, self.file, indent=4)
self.wrote_something = True
# record_string = str(record_envelope.record)
# metadata = record_envelope.metadata
# metadata["workunit-id"] = self.id
# out_line=f'{{"record": {record_string}, "metadata": {metadata}}}\n'
self.report.report_record_written(record_envelope)
write_callback.on_success(record_envelope, {})
def get_report(self):
return self.report
def close(self):
self.file.write('\n]')
self.file.close()
class DatahubRestSink(Sink):
config: DatahubRestSinkConfig
emitter: DatahubRestEmitter
report: SinkReport
def __init__(self, ctx: PipelineContext, config: DatahubRestSinkConfig):
super().__init__(ctx)
self.config = config
self.report = SinkReport()
self.emitter = DatahubRestEmitter(self.config.server)
@classmethod
def create(cls, config_dict: dict,
ctx: PipelineContext) -> "DatahubRestSink":
config = DatahubRestSinkConfig.parse_obj(config_dict)
return cls(ctx, config)
def handle_work_unit_start(self, workunit: WorkUnit) -> None:
pass
def handle_work_unit_end(self, workunit: WorkUnit) -> None:
pass
def write_record_async(
self,
record_envelope: RecordEnvelope[MetadataChangeEvent],
write_callback: WriteCallback,
) -> None:
mce = record_envelope.record
try:
self.emitter.emit_mce(mce)
self.report.report_record_written(record_envelope)
write_callback.on_success(record_envelope, {})
except OperationalError as e:
self.report.report_failure({"error": e.message, "info": e.info})
write_callback.on_failure(record_envelope, e, e.info)
except Exception as e:
self.report.report_failure({"e": e})
write_callback.on_failure(record_envelope, e, {})
def get_report(self) -> SinkReport:
return self.report
def close(self):
pass
class DatahubRestSink(Sink):
config: DatahubRestSinkConfig
emitter: DatahubRestEmitter
report: SinkReport
treat_errors_as_warnings: bool = False
def __init__(self, ctx: PipelineContext, config: DatahubRestSinkConfig):
super().__init__(ctx)
self.config = config
self.report = SinkReport()
self.emitter = DatahubRestEmitter(
self.config.server,
self.config.token,
connect_timeout_sec=self.config.
timeout_sec, # reuse timeout_sec for connect timeout
read_timeout_sec=self.config.timeout_sec,
extra_headers=self.config.extra_headers,
ca_certificate_path=self.config.ca_certificate_path,
)
self.emitter.test_connection()
self.executor = concurrent.futures.ThreadPoolExecutor(
max_workers=self.config.max_threads)
@classmethod
def create(cls, config_dict: dict,
ctx: PipelineContext) -> "DatahubRestSink":
config = DatahubRestSinkConfig.parse_obj(config_dict)
return cls(ctx, config)
def handle_work_unit_start(self, workunit: WorkUnit) -> None:
if isinstance(workunit, MetadataWorkUnit):
mwu: MetadataWorkUnit = cast(MetadataWorkUnit, workunit)
self.treat_errors_as_warnings = mwu.treat_errors_as_warnings
pass
def handle_work_unit_end(self, workunit: WorkUnit) -> None:
pass
def _write_done_callback(
self,
record_envelope: RecordEnvelope,
write_callback: WriteCallback,
future: concurrent.futures.Future,
) -> None:
if future.cancelled():
self.report.report_failure({"error": "future was cancelled"})
write_callback.on_failure(record_envelope,
OperationalError("future was cancelled"),
{})
elif future.done():
e = future.exception()
if not e:
self.report.report_record_written(record_envelope)
start_time, end_time = future.result()
self.report.report_downstream_latency(start_time, end_time)
write_callback.on_success(record_envelope, {})
elif isinstance(e, OperationalError):
# only OperationalErrors should be ignored
if not self.treat_errors_as_warnings:
self.report.report_failure({
"error": e.message,
"info": e.info
})
else:
# trim exception stacktraces when reporting warnings
if "stackTrace" in e.info:
try:
e.info["stackTrace"] = "\n".join(
e.info["stackTrace"].split("\n")[0:2])
except Exception:
# ignore failures in trimming
pass
record = record_envelope.record
if isinstance(record, MetadataChangeProposalWrapper):
# include information about the entity that failed
entity_id = cast(MetadataChangeProposalWrapper,
record).entityUrn
e.info["id"] = entity_id
else:
entity_id = None
self.report.report_warning({
"warning": e.message,
"info": e.info
})
write_callback.on_failure(record_envelope, e, e.info)
else:
self.report.report_failure({"e": e})
write_callback.on_failure(record_envelope, Exception(e), {})
def write_record_async(
self,
record_envelope: RecordEnvelope[Union[MetadataChangeEvent,
MetadataChangeProposal,
MetadataChangeProposalWrapper,
UsageAggregation, ]],
write_callback: WriteCallback,
) -> None:
record = record_envelope.record
write_future = self.executor.submit(self.emitter.emit, record)
write_future.add_done_callback(
functools.partial(self._write_done_callback, record_envelope,
write_callback))
def get_report(self) -> SinkReport:
return self.report
def close(self):
self.executor.shutdown(wait=True)
class DatahubRestSink(Sink):
config: DatahubRestSinkConfig
emitter: DatahubRestEmitter
report: SinkReport
treat_errors_as_warnings: bool = False
def __init__(self, ctx: PipelineContext, config: DatahubRestSinkConfig):
super().__init__(ctx)
self.config = config
self.report = SinkReport()
self.emitter = DatahubRestEmitter(
self.config.server,
self.config.token,
connect_timeout_sec=self.config.
timeout_sec, # reuse timeout_sec for connect timeout
read_timeout_sec=self.config.timeout_sec,
extra_headers=self.config.extra_headers,
)
self.emitter.test_connection()
@classmethod
def create(cls, config_dict: dict,
ctx: PipelineContext) -> "DatahubRestSink":
config = DatahubRestSinkConfig.parse_obj(config_dict)
return cls(ctx, config)
def handle_work_unit_start(self, workunit: WorkUnit) -> None:
if isinstance(workunit, MetadataWorkUnit):
mwu: MetadataWorkUnit = cast(MetadataWorkUnit, workunit)
self.treat_errors_as_warnings = mwu.treat_errors_as_warnings
pass
def handle_work_unit_end(self, workunit: WorkUnit) -> None:
pass
def write_record_async(
self,
record_envelope: RecordEnvelope[Union[MetadataChangeEvent,
MetadataChangeProposal,
MetadataChangeProposalWrapper,
UsageAggregation, ]],
write_callback: WriteCallback,
) -> None:
record = record_envelope.record
try:
self.emitter.emit(record)
self.report.report_record_written(record_envelope)
write_callback.on_success(record_envelope, {})
except OperationalError as e:
# only OperationalErrors should be ignored
if not self.treat_errors_as_warnings:
self.report.report_failure({
"error": e.message,
"info": e.info
})
else:
# trim exception stacktraces when reporting warnings
if "stackTrace" in e.info:
try:
e.info["stackTrace"] = "\n".join(
e.info["stackTrace"].split("\n")[0:2])
except Exception:
# ignore failures in trimming
pass
if isinstance(record, MetadataChangeProposalWrapper):
# include information about the entity that failed
entity_id = cast(MetadataChangeProposalWrapper,
record).entityUrn
e.info["id"] = entity_id
else:
entity_id = None
self.report.report_warning({
"warning": e.message,
"info": e.info
})
write_callback.on_failure(record_envelope, e, e.info)
except Exception as e:
self.report.report_failure({"e": e})
write_callback.on_failure(record_envelope, e, {})
def get_report(self) -> SinkReport:
return self.report
def close(self):
pass
