Add InstrumentationDefaults helper to declarative-config-bridge#17816
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zeitlinger wants to merge 7 commits intoopen-telemetry:mainfrom
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Add InstrumentationDefaults helper to declarative-config-bridge#17816zeitlinger wants to merge 7 commits intoopen-telemetry:mainfrom
zeitlinger wants to merge 7 commits intoopen-telemetry:mainfrom
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Provides a utility for distributions to define instrumentation property defaults once and have them work with both traditional property-based configuration (otel.instrumentation.*) and declarative configuration (YAML model under instrumentation/development.java). Extracted from grafana/grafana-opentelemetry-java#1226. Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
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Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
…README Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
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@jack-berg fyi - since we talked about it |
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@robsunday could you help reviewing this |
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Apr 14, 2026
…readme to match DC API pattern Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
Replace vararg setDefault(instr, key, value) with nested defaults.get(name).setDefault(key, value). Mirrors DeclarativeConfigProperties.getStructured(name).getString(key) on the read side. README notes the symmetry. Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
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…symmetry note DeclarativeConfigProperties.get(name) (added in open-telemetry/opentelemetry-java#7923) is the standard read-side API; update InstrumentationDefaults javadoc and README to match. Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
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Summary
InstrumentationDefaultsto thedeclarative-config-bridgemodule — a utility for distributions to define instrumentation property defaults once and have them work in both configuration modessetDefault(instrumentation, key, value)(fluent, returnsthis) stores defaults using underscore notationtoConfigProperties()translates to flatotel.instrumentation.*property map (underscore→hyphen) for traditional auto-configurationapplyToModel(OpenTelemetryConfigurationModel)injects defaults into the DC model underinstrumentation/development.java, usingputIfAbsentso explicit user config always winsExtracted from grafana/grafana-opentelemetry-java#1226, which noted a TODO to propose this as a shared utility.
Test plan
InstrumentationDefaultsTestcoverstoConfigProperties(),applyToModel(), and the non-override semantics./gradlew :declarative-config-bridge:testpasses