def start_span(self,
operation_name=None,
child_of=None,
references=None,
tags=None,
start_time=None,
ignore_active_span=False):
"Taken from BasicTracer so we can override generate_id calls to ours"
start_time = time.time() if start_time is None else start_time
# See if we have a parent_ctx in `references`
parent_ctx = None
if child_of is not None:
parent_ctx = (
child_of if isinstance(child_of, ot.SpanContext)
else child_of.context)
elif references is not None and len(references) > 0:
# TODO only the first reference is currently used
parent_ctx = references[0].referenced_context
# retrieve the active SpanContext
if not ignore_active_span and parent_ctx is None:
scope = self.scope_manager.active
if scope is not None:
parent_ctx = scope.span.context
# Assemble the child ctx
gid = generate_id()
ctx = SpanContext(span_id=gid)
if parent_ctx is not None:
if parent_ctx._baggage is not None:
ctx._baggage = parent_ctx._baggage.copy()
ctx.trace_id = parent_ctx.trace_id
ctx.sampled = parent_ctx.sampled
else:
ctx.trace_id = gid
ctx.sampled = self.sampler.sampled(ctx.trace_id)
# Tie it all together
span = InstanaSpan(self,
operation_name=operation_name,
context=ctx,
parent_id=(None if parent_ctx is None else parent_ctx.span_id),
tags=tags,
start_time=start_time)
if operation_name in self.recorder.entry_spans:
# For entry spans, add only a backtrace fingerprint
self.__add_stack(span, limit=2)
if operation_name in self.recorder.exit_spans:
self.__add_stack(span)
return span
def start_span(self,
operation_name=None,
child_of=None,
references=None,
tags=None,
start_time=None):
"Taken from BasicTracer so we can override generate_id calls to ours"
start_time = time.time() if start_time is None else start_time
# See if we have a parent_ctx in `references`
parent_ctx = None
if child_of is not None:
parent_ctx = (child_of if isinstance(child_of, ot.SpanContext) else
child_of.context)
elif references is not None and len(references) > 0:
# TODO only the first reference is currently used
parent_ctx = references[0].referenced_context
# Assemble the child ctx
instana_id = generate_id()
ctx = SpanContext(span_id=instana_id)
if parent_ctx is not None:
if parent_ctx._baggage is not None:
ctx._baggage = parent_ctx._baggage.copy()
ctx.trace_id = parent_ctx.trace_id
ctx.sampled = parent_ctx.sampled
else:
ctx.trace_id = instana_id
ctx.sampled = self.sampler.sampled(ctx.trace_id)
# Tie it all together
span = InstanaSpan(
self,
operation_name=operation_name,
context=ctx,
parent_id=(None if parent_ctx is None else parent_ctx.span_id),
tags=tags,
start_time=start_time)
self.cur_ctx = span.context
return span