def translate_to_collector(spans: Sequence[ReadableSpan]):
collector_spans = []
for span in spans:
status = None
if span.status is not None:
status = trace_pb2.Status(
code=span.status.status_code.value,
message=span.status.description,
)
collector_span = trace_pb2.Span(
name=trace_pb2.TruncatableString(value=span.name),
kind=utils.get_collector_span_kind(span.kind),
trace_id=span.context.trace_id.to_bytes(16, "big"),
span_id=span.context.span_id.to_bytes(8, "big"),
start_time=utils.proto_timestamp_from_time_ns(span.start_time),
end_time=utils.proto_timestamp_from_time_ns(span.end_time),
status=status,
)
parent_id = 0
if span.parent is not None:
parent_id = span.parent.span_id
collector_span.parent_span_id = parent_id.to_bytes(8, "big")
if span.context.trace_state is not None:
for (key, value) in span.context.trace_state.items():
collector_span.tracestate.entries.add(key=key, value=value)
if span.attributes:
for (key, value) in span.attributes.items():
utils.add_proto_attribute_value(collector_span.attributes, key,
value)
if span.events:
for event in span.events:
collector_annotation = trace_pb2.Span.TimeEvent.Annotation(
description=trace_pb2.TruncatableString(value=event.name))
if event.attributes:
for (key, value) in event.attributes.items():
utils.add_proto_attribute_value(
collector_annotation.attributes, key, value)
collector_span.time_events.time_event.add(
time=utils.proto_timestamp_from_time_ns(event.timestamp),
annotation=collector_annotation,
)
if span.links:
for link in span.links:
collector_span_link = collector_span.links.link.add()
collector_span_link.trace_id = link.context.trace_id.to_bytes(
16, "big")
collector_span_link.span_id = link.context.span_id.to_bytes(
8, "big")
collector_span_link.type = (
trace_pb2.Span.Link.Type.TYPE_UNSPECIFIED)
if span.parent is not None:
if (link.context.span_id == span.parent.span_id
and link.context.trace_id == span.parent.trace_id):
collector_span_link.type = (
trace_pb2.Span.Link.Type.PARENT_LINKED_SPAN)
if link.attributes:
for (key, value) in link.attributes.items():
utils.add_proto_attribute_value(
collector_span_link.attributes, key, value)
collector_spans.append(collector_span)
return collector_spans
def translate_to_trace_proto(span_data):
"""Translates the opencensus spans to ocagent proto spans.
:type span_data: :class:`~opencensus.trace.span_data.SpanData`
:param span_data: SpanData tuples to convert to protobuf spans
:rtype: :class:`~opencensus.proto.trace.Span`
:returns: Protobuf format span.
"""
if not span_data:
return None
pb_span = trace_pb2.Span(
name=trace_pb2.TruncatableString(value=span_data.name),
kind=span_data.span_kind,
trace_id=hex_str_to_bytes_str(span_data.context.trace_id),
span_id=hex_str_to_bytes_str(span_data.span_id),
parent_span_id=hex_str_to_bytes_str(span_data.parent_span_id)
if span_data.parent_span_id is not None else None,
start_time=ocagent_utils.proto_ts_from_datetime_str(
span_data.start_time),
end_time=ocagent_utils.proto_ts_from_datetime_str(span_data.end_time),
status=trace_pb2.Status(
code=span_data.status.canonical_code,
message=span_data.status.description,
) if span_data.status is not None else None,
same_process_as_parent_span=BoolValue(
value=span_data.same_process_as_parent_span)
if span_data.same_process_as_parent_span is not None else None,
child_span_count=UInt32Value(value=span_data.child_span_count)
if span_data.child_span_count is not None else None)
# attributes
if span_data.attributes is not None:
for attribute_key, attribute_value \
in span_data.attributes.items():
add_proto_attribute_value(pb_span.attributes, attribute_key,
attribute_value)
# annotations
if span_data.annotations is not None:
for annotation in span_data.annotations:
pb_event = pb_span.time_events.time_event.add()
pb_event.time.FromJsonString(annotation.timestamp)
set_proto_annotation(pb_event.annotation, annotation)
# message events
if span_data.message_events is not None:
for message_event in span_data.message_events:
pb_event = pb_span.time_events.time_event.add()
pb_event.time.FromJsonString(message_event.timestamp)
set_proto_message_event(pb_event.message_event, message_event)
# links
if span_data.links is not None:
for link in span_data.links:
pb_link = pb_span.links.link.add(
trace_id=hex_str_to_bytes_str(link.trace_id),
span_id=hex_str_to_bytes_str(link.span_id),
type=link.type)
if link.attributes is not None and \
link.attributes.attributes is not None:
for attribute_key, attribute_value \
in link.attributes.attributes.items():
add_proto_attribute_value(pb_link.attributes,
attribute_key, attribute_value)
# tracestate
if span_data.context.tracestate is not None:
for (key, value) in span_data.context.tracestate.items():
pb_span.tracestate.entries.add(key=key, value=value)
return pb_span