Enable context-flattening to support context field searching#491
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nickmarden wants to merge 4 commits intoopen-telemetry:mainfrom
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Enable context-flattening to support context field searching#491nickmarden wants to merge 4 commits intoopen-telemetry:mainfrom
nickmarden wants to merge 4 commits intoopen-telemetry:mainfrom
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brettmc
approved these changes
Dec 19, 2025
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #491 +/- ##
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+ Coverage 83.46% 83.48% +0.02%
- Complexity 2330 2344 +14
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Files 149 149
Lines 8791 8816 +25
============================================
+ Hits 7337 7360 +23
- Misses 1454 1456 +2 Flags with carried forward coverage won't be shown. Click here to find out more.
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@brettmc I'm unclear how to trigger another CI run. I believe I've fixed all but one of the previously-failing CI tests, but I can't be sure. Is this something you need to trigger, or can I? |
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Description
Resolves open-telemetry/opentelemetry-php#1837
This PR adds an optional configuration to flatten log context attributes into individual OTLP attributes, improving searchability in observability backends.
Problem
The Laravel LogWatcher currently JSON-encodes the entire log context into a single context attribute:
context: {"http":{"method":"GET","path":"/users","status":200},"user_id":"123"}
This makes it impossible to search/filter by specific values (e.g., http.method = "GET") in backends like SigNoz, Jaeger, or Grafana.
Solution
A new configuration option OTEL_PHP_LARAVEL_LOG_ATTRIBUTES_FLATTEN that, when enabled, spreads context as individual attributes with dot-notation for nested arrays:
http.method: GET
http.path: /users
http.status: 200
user_id: 123
Changes
Backward Compatibility
Testing
./vendor/bin/phpunit --testsuite=unit # 18 tests, 42 assertions
./vendor/bin/phpunit --testsuite=integration # 21 tests, 120 assertions
Screenshot