Carlos Florêncio
61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
package debug
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import (
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"expvar"
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"net/http"
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"net/http/pprof"
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"runtime"
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"github.com/gin-gonic/gin"
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"github.com/kandev/kandev/internal/common/logger"
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)
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// RegisterPprofRoutes mounts the standard net/http/pprof handlers on the Gin router
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// at /debug/pprof/. These endpoints are only registered when debug.pprofEnabled is true.
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func RegisterPprofRoutes(router *gin.Engine, log *logger.Logger) {
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g := router.Group("/debug/pprof")
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g.GET("/", gin.WrapF(pprof.Index))
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g.GET("/cmdline", gin.WrapF(pprof.Cmdline))
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g.GET("/profile", gin.WrapF(pprof.Profile))
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g.GET("/symbol", gin.WrapF(pprof.Symbol))
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g.POST("/symbol", gin.WrapF(pprof.Symbol))
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g.GET("/trace", gin.WrapF(pprof.Trace))
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for _, name := range []string{"allocs", "block", "goroutine", "heap", "mutex", "threadcreate"} {
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g.GET("/"+name, gin.WrapH(pprof.Handler(name)))
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}
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// Stdlib expvar handler exposes the runtime/memstats counters and
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// any expvar.Map/expvar.Int published by code at package init —
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// notably the routing_* metrics in internal/office/scheduler.
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router.GET("/debug/vars", gin.WrapH(expvar.Handler()))
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log.Info("pprof endpoints registered at /debug/pprof/ and /debug/vars")
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}
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// RegisterMemoryRoute registers GET /api/v1/debug/memory which returns a JSON summary
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// of runtime memory statistics. Useful for quick health checks without pulling a full
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// pprof heap profile.
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func RegisterMemoryRoute(router *gin.Engine, log *logger.Logger) {
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router.GET("/api/v1/debug/memory", handleMemoryStats())
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log.Info("Memory stats endpoint registered at /api/v1/debug/memory")
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}
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func handleMemoryStats() gin.HandlerFunc {
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return func(c *gin.Context) {
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var m runtime.MemStats
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runtime.ReadMemStats(&m)
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c.JSON(http.StatusOK, gin.H{
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"heap_alloc_mb": float64(m.HeapAlloc) / (1024 * 1024),
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"heap_inuse_mb": float64(m.HeapInuse) / (1024 * 1024),
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"heap_sys_mb": float64(m.HeapSys) / (1024 * 1024),
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"heap_objects": m.HeapObjects,
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"goroutines": runtime.NumGoroutine(),
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"num_gc": m.NumGC,
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"sys_mb": float64(m.Sys) / (1024 * 1024),
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"stack_inuse_mb": float64(m.StackInuse) / (1024 * 1024),
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})
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}
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}
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