Adds logging LLM usage information using OpenTelemetry. Closes #1067#1167
Merged
garrytrinder merged 2 commits intodotnet:mainfrom May 13, 2025
Merged
Adds logging LLM usage information using OpenTelemetry. Closes #1067#1167garrytrinder merged 2 commits intodotnet:mainfrom
garrytrinder merged 2 commits intodotnet:mainfrom
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Contributor
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In the first code snippet the plugin is not enabled, is this correct? When I enable the plugin I get a warning when executing Dev Proxy from the build files. |
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Author
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Duh! Of course the plugin needs to be enabled. Sorry for that. Let me check why there's a warning. |
Collaborator
Author
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I can't repro the warning you're getting. I did notice, that the sample prices file was missing a bracket, so I updated the sample. Could you please try again and see if that might've been it? |
Contributor
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Same issue unfortunately using the updated config.
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garrytrinder
approved these changes
May 13, 2025
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Adds logging LLM usage information using OpenTelemetry. Closes #1067
To test
devproxyrc.json:
{ "$schema": "https://raw.githubusercontent.com/dotnet/dev-proxy/main/schemas/v0.27.0/rc.schema.json", "plugins": [ { "name": "OpenAITelemetryPlugin", "enabled": true, "pluginPath": "~appFolder/plugins/dev-proxy-plugins.dll" } ], "urlsToWatch": [ "http://localhost:11434/*" ], "logLevel": "information", "newVersionNotification": "stable", "showSkipMessages": true, "showTimestamps": true, "validateSchemas": true }Visualize using Aspire dashboard:
Call Ollama using its OpenAI-compatible API:
curl -ikx http://127.0.0.1:8000 -X POST -H Content-Type: application/json -d '{"model":"llama3.2","messages":[{"role":"user","content":"What is the capital of France?"}],"stream":false}' http://localhost:11434/v1/chat/completionsIn the Aspire dashboard, you'll see tracing and metrics (it takes a moment for metrics to show up).
To test cost estimation
devproxyrc.json
{ "$schema": "https://raw.githubusercontent.com/dotnet/dev-proxy/main/schemas/v0.27.0/rc.schema.json", "plugins": [ { "name": "OpenAITelemetryPlugin", "enabled": true, "pluginPath": "~appFolder/plugins/dev-proxy-plugins.dll", "configSection": "openAITelemetryPlugin" } ], "urlsToWatch": [ "http://localhost:11434/*" ], "openAITelemetryPlugin": { "includeCosts": true, "pricesFile": "llm-prices.json" }, "logLevel": "information", "newVersionNotification": "stable", "showSkipMessages": true, "showTimestamps": true, "validateSchemas": true }llm-prices.json:
{ "prices": { "llama3.2": { "input": 10.0, "output": 30.0 } } }Call Ollama again, check out the new span with cost information and wait for additional metrics to show up in the dashboard.