74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
package server
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import (
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"mal/internal/observability"
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"time"
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"github.com/gin-gonic/gin"
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)
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func RequestLogger(metrics *observability.Metrics) gin.HandlerFunc {
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return func(c *gin.Context) {
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start := time.Now()
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path := c.Request.URL.Path
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query := c.Request.URL.RawQuery
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c.Next()
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route := c.FullPath()
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if route == "" {
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route = path
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}
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duration := time.Since(start)
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metrics.ObserveHTTPRequest(c.Request.Method, route, c.Writer.Status(), duration)
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level := observability.LogLevelInfo
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status := c.Writer.Status()
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if status >= 500 {
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level = observability.LogLevelError
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} else if status >= 400 {
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level = observability.LogLevelWarn
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}
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fields := map[string]any{
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"client_ip": c.ClientIP(),
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"duration_ms": float64(duration.Microseconds()) / 1000,
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"method": c.Request.Method,
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"path": path,
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"request_id": c.Writer.Header().Get(requestIDHeader),
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"status": status,
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}
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privateErrors := c.Errors.ByType(gin.ErrorTypePrivate)
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var logErr error
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if len(privateErrors) > 0 {
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logErr = privateErrors.Last().Err
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}
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if route == "/watch/proxy/stream" && status < 400 && len(privateErrors) == 0 {
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return
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}
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if route != path {
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fields["route"] = route
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}
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if query != "" {
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fields["query"] = query
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}
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if size := c.Writer.Size(); size >= 0 {
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fields["bytes"] = size
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}
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if errors := privateErrors.String(); errors != "" {
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fields["errors"] = errors
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}
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observability.LogContext(
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c.Request.Context(),
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level,
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"http_request",
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"http",
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c.Request.Method+" "+path,
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fields,
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logErr,
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)
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}
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}
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