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feat: implement OpenInference tracing for Responses API output types #2061

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b8bac54
feat: implement OpenInference tracing for Responses API output types
nuthalapativarun Apr 16, 2026
96236ea
test: fix stale nil-expect cases and add missing coverage for respons…
nuthalapativarun Apr 16, 2026
dc19742
Merge branch 'main' into feat/tracing-response-output-types
nuthalapativarun Apr 18, 2026
395aee8
Merge branch 'main' into feat/tracing-response-output-types
nuthalapativarun Apr 24, 2026
a74a1a3
Merge branch 'main' into feat/tracing-response-output-types
nuthalapativarun May 26, 2026
8db119e
ci: retrigger CI (flaky external service / infra failures)
nuthalapativarun May 29, 2026
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181 changes: 159 additions & 22 deletions internal/tracing/openinference/openai/response_attrs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -233,38 +233,27 @@ func setResponseOutputAttrs(output *openai.ResponseOutputItemUnion, attrs []attr
case output.OfCustomToolCall != nil:
attrs = setResponseCustomToolCallAttrs(output.OfCustomToolCall, attrs, config, messageIndex)
case output.OfImageGenerationCall != nil:
// TODO: Handle image generation call
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L573
attrs = setResponseImageGenerationCallAttrs(output.OfImageGenerationCall, attrs, config, messageIndex)
case output.OfCodeInterpreterCall != nil:
// TODO: Handle code interpreter call
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L576
attrs = setResponseCodeInterpreterCallAttrs(output.OfCodeInterpreterCall, attrs, config, messageIndex)
case output.OfLocalShellCall != nil:
// TODO: Handle local shell call
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L579
attrs = setResponseLocalShellCallAttrs(output.OfLocalShellCall, attrs, config, messageIndex)
case output.OfMcpCall != nil:
// TODO: Handle mcp call
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L582
attrs = setResponseMcpCallAttrs(output.OfMcpCall, attrs, config, messageIndex)
case output.OfMcpListTools != nil:
// TODO: Handle mcp list tools
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L585
attrs = setResponseMcpListToolsAttrs(output.OfMcpListTools, attrs, config, messageIndex)
case output.OfMcpApprovalRequest != nil:
// TODO: Handle mcp approval request
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L588
attrs = setResponseMcpApprovalRequestAttrs(output.OfMcpApprovalRequest, attrs, config, messageIndex)
case output.OfShellCall != nil:
// TODO: Handle shell call
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L591
attrs = setResponseShellCallAttrs(output.OfShellCall, attrs, config, messageIndex)
case output.OfShellCallOutput != nil:
// TODO: Handle shell call output
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L594
attrs = setResponseShellCallOutputAttrs(output.OfShellCallOutput, attrs, config, messageIndex)
case output.OfApplyPatchCall != nil:
// TODO: Handle patch call
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L597
attrs = setResponseApplyPatchCallAttrs(output.OfApplyPatchCall, attrs, config, messageIndex)
case output.OfApplyPatchCallOutput != nil:
// TODO: Handle patch call output
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L600
attrs = setResponseApplyPatchCallOutputAttrs(output.OfApplyPatchCallOutput, attrs, config, messageIndex)
case output.OfCompaction != nil:
// TODO: Handle compaction response
// https://github.com/Arize-ai/openinference/blob/f6561ca5a169f13d5b40120311b782348550b5ac/python/instrumentation/openinference-instrumentation-openai/src/openinference/instrumentation/openai/_attributes/_responses_api.py#L603
attrs = setResponseCompactionAttrs(output.OfCompaction, attrs, config, messageIndex)
}
return attrs
}
Expand Down Expand Up @@ -383,3 +372,151 @@ func setResponseCustomToolCallAttrs(c *openai.ResponseCustomToolCall, attrs []at
}
return attrs
}

func setResponseImageGenerationCallAttrs(c *openai.ResponseOutputItemImageGenerationCall, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.ID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
}
return attrs
}

func setResponseCodeInterpreterCallAttrs(c *openai.ResponseCodeInterpreterToolCall, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.ID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), c.Code))
}
return attrs
}

func setResponseLocalShellCallAttrs(c *openai.ResponseOutputItemLocalShellCall, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.CallID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
if data, err := json.Marshal(c.Action.Command); err == nil {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), string(data)))
}
}
return attrs
}

func setResponseMcpCallAttrs(c *openai.ResponseMcpCall, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.ID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Name),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), c.Arguments))
}
return attrs
}

func setResponseMcpListToolsAttrs(c *openai.ResponseMcpListTools, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.ID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
}
return attrs
}

func setResponseMcpApprovalRequestAttrs(c *openai.ResponseMcpApprovalRequest, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.ID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Name),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), c.Arguments))
}
return attrs
}

func setResponseShellCallAttrs(c *openai.ResponseFunctionShellToolCall, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.CallID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
if data, err := json.Marshal(c.Action.Commands); err == nil {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), string(data)))
}
}
return attrs
}

func setResponseShellCallOutputAttrs(c *openai.ResponseFunctionShellToolCallOutput, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "tool"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.CallID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
}
return attrs
}

func setResponseApplyPatchCallAttrs(c *openai.ResponseApplyPatchToolCall, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.CallID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
}
return attrs
}

func setResponseApplyPatchCallOutputAttrs(c *openai.ResponseApplyPatchToolCallOutput, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "tool"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.CallID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionArguments), c.Output))
}
return attrs
}

func setResponseCompactionAttrs(c *openai.ResponseCompactionItem, attrs []attribute.KeyValue, config *openinference.TraceConfig, messageIndex int) []attribute.KeyValue {
attrs = append(attrs, attribute.String(openinference.OutputMessageAttribute(messageIndex, openinference.MessageRole), "assistant"))
if config.HideOutputText {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), openinference.RedactedValue),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), openinference.RedactedValue))
} else {
attrs = append(attrs, attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallID), c.ID),
attribute.String(openinference.OutputMessageToolCallAttribute(messageIndex, 0, openinference.ToolCallFunctionName), c.Type))
}
return attrs
}
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