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w3c(phase 3): ensure last datadog parent id is always recorded #3631

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merged 12 commits into from
Jun 7, 2024
Merged

w3c(phase 3): ensure last datadog parent id is always recorded #3631

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8b9be7f
w3c(phase 3): ensure last datadog parent id is always recorded
mabdinur May 7, 2024
4a807ac
define constant and lint
mabdinur May 8, 2024
5c0f0f8
fix
mabdinur May 8, 2024
3fd0ff8
add back comment
mabdinur May 9, 2024
0e6ba92
s
mabdinur May 9, 2024
93c11c8
add back new line
mabdinur May 9, 2024
0e3a0f1
propagate lpid if spans are not equal
mabdinur May 9, 2024
fc8c409
use new w3c phase 3 spec
mabdinur May 13, 2024
09ca82f
remove useless case and add a basic test
mabdinur May 15, 2024
12fdfef
fix comment
mabdinur May 17, 2024
3227a29
lint and add more test coverage
mabdinur May 23, 2024
8ec243d
Merge remote-tracking branch 'origin/master' into munir/w3c-phase-3
mabdinur Jun 7, 2024
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define constant and lint
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@mabdinur
mabdinur committed May 8, 2024
commit 4a807ac75418d8d483d8241fd1f39e7fd17f9f8b
4 changes: 3 additions & 1 deletion lib/datadog/tracing/distributed/propagation.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -100,10 +100,12 @@ def extract(data)
if (tracecontext_digest = propagator.extract(data))
# Only parse if it represent the same trace as the successfully extracted one
next unless tracecontext_digest.trace_id == extracted_trace_digest.trace_id

# Preserve the last datadog parent id in `trace_distributed_tags`
if tracecontext_digest.span_id != extracted_trace_digest.span_id && tracecontext_digest.trace_distributed_tags&.keys(Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID)
extracted_trace_digest.trace_distributed_tags ||= {}
extracted_trace_digest.trace_distributed_tags[Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID] = tracecontext_digest.trace_distributed_tags.fetch(Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID, Tracing::Metadata::Ext::Distributed::DD_PARENT_ID_DEFAULT)
extracted_trace_digest.trace_distributed_tags[Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID] =
tracecontext_digest.trace_distributed_tags[Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID]
end
# Preserve the `tracestate`
extracted_trace_digest = extracted_trace_digest.merge(
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2 changes: 1 addition & 1 deletion lib/datadog/tracing/distributed/trace_context.rb
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Expand Up @@ -57,7 +57,7 @@ def extract(data)
end

tags ||= {}
tags[Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID] = ts_parent_id || Tracing::Metadata::Ext::Distributed::DD_PARENT_ID_DEFAULT
tags[Tracing::Metadata::Ext::Distributed::TAG_DD_PARENT_ID] = ts_parent_id || '0000000000000000'

TraceDigest.new(
span_id: parent_id,
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