Add Multi-Azure Function Unique Named Pipe Configuration#8164

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Lewis-E wants to merge 47 commits intomasterfrom

lewis/SVLS-8244/add-multifunction-named-pipes

Commits on Apr 23, 2026

Add serverless compat layer instrumentation for pipe coordination

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Improve validation for windows pipe name
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Lazy compat layer named pipe generation
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Minor cleanup
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Target compat layer specifically
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Fix compilation and StyleCop errors
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Now with generated files
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Add named pipes to packages map
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Include serverless classes in .net standard 2.0 build
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Update source-generated files for Serverless compat instrumentation

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Modify unit tests to ignore compat values
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More test fixes
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Fix test helpers to use backing fields for ExporterSettings pipe names
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Fix ExporterSettings readonly test by making Azure Functions pipe name fields static readonly with
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Widen ServerlessCompat version range to 0.0.0 and add trimming entries

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Regenerate calltargets and trimming files for MinimumVersion 0.0.0

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Deduplicate pipe name generation, remove double-logging, use collection expressions

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Add unit tests for ServerlessCompat pipe name generation and integrations

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Gate pipe transport on compat layer presence and version

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Fix compilation errors in IsCompatLayerAvailableWithPipeSupport

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Generate unique pipe name in integrations when no pre-generated name exists

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Fix typos, apply code standards, and deduplicate tests

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Use DD_TRACE_PIPE_NAME and DD_DOGSTATSD_PIPE_NAME as base names for unique pipe generation

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Remove lazy caching and redundant pipe name generation from pipe name integrations

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Move Azure Functions pipe name generation from static init to instance constructor

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Hoist Azure Functions check into constructor and consolidate pipe name generation

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Move IsCompatLayerAvailableWithPipeSupport to ServerlessCompatPipeNameHelper and make testable

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Fix build errors: add DD_SERVERLESS_COMPAT_PATH to ConfigurationKeys, fix ExporterSettings access path

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Update generated ConfigurationKeys files for DD_SERVERLESS_COMPAT_PATH

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Apply suggestions from code review

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Remove unnecessary null-forgiving operator on configuredBaseName

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Update generated native calltargets for MaximumVersion 1.*.*, add DD_SERVERLESS_COMPAT_PATH config key

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Add DD_SERVERLESS_COMPAT_PATH to telemetry normalization rules

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Bump Datadog.Serverless.Compat dependency to 1.4.0

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Fix stale docs, strengthen test assertions, and rewrite integration tests

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Move ServerlessCompatPipeNameHelper to Datadog.Trace.Serverless, fix typo, use SkipOn in tests

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Revert Datadog.Serverless.Compat dependency to 1.2.0

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Migrate ExporterSettings to AzureInfo.Instance post-rebase

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Preserve customer-configured pipe names in Azure Functions

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Regenerate MetricsTelemetryCollector_Count for ServerlessCompat post-rebase

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Also shift multi-tag index references in MetricsTelemetryCollector_Count

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Bump CountEntryCounts cardinality for ServerlessCompat integration

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Inject pipe names via SettingsManager to survive tracer reconfiguration

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Drop ServerlessCompat unit test that depended on Tracer.Instance

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Remove redundant Windows check from ServerlessCompatPipeNameHelper

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Rewrite comment in ExporterSettingsAzureFunctionsPipeTests

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Retrigger CI after GitHub 500 outage

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