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Datadog Tracer
Integrations
contrib/log/slog

contrib/log/slog

Those integration are enabled by having the following import in the project’s orchestrion.tool.go file:

import (
	_ "github.com/DataDog/orchestrion"

	_ "github.com/DataDog/dd-trace-go/contrib/log/slog/v2" // integration
	//...
)

Package slog provides structured logging, in which log records include a message, a severity level, and various other attributes expressed as key-value pairs.

New

Join Point
All of
  • Import path log/slog
  • Function body
    • Function declaration
      • Function name New
Advice
Introduce new declarations:
//go:linkname __dd_slogtrace_WrapHandler github.com/DataDog/dd-trace-go/contrib/log/slog/v2.WrapHandler
func __dd_slogtrace_WrapHandler(Handler) Handler
Record link-time dependencies on:
Advice
Prepend statements produced by the following template:
{{ .Function.Argument 0 }} = __dd_slogtrace_WrapHandler({{ .Function.Argument 0 }})

SetDefault

Join Point
All of
  • Import path log/slog
  • Function body
    • Function declaration
      • Function name SetDefault
Advice
Introduce new declarations:
//go:linkname __dd_slogtrace_IsAlreadyWrapped github.com/DataDog/dd-trace-go/contrib/log/slog/v2.IsAlreadyWrapped
func __dd_slogtrace_IsAlreadyWrapped(Handler) bool
Record link-time dependencies on:
Advice
Prepend statements produced by the following template:
if __dd_slogtrace_IsAlreadyWrapped({{ .Function.Argument 0 }}.Handler()) {
		defaultLogger.Store({{ .Function.Argument 0 }})
		return
}
contrib/labstack/echo.v4contrib/net/http