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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package controller | ||
|
|
||
| import ( | ||
| "log/slog" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/gofiber/fiber/v2" | ||
| "github.com/google/uuid" | ||
| ) | ||
|
|
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| // Replace logs keys to allow GCP to parse logs correctly | ||
| // https://cloud.google.com/logging/docs/structured-logging | ||
| func CreateGCPLoggerAdapter() func(groups []string, a slog.Attr) slog.Attr { | ||
| return func(groups []string, a slog.Attr) slog.Attr { | ||
| switch a.Key { | ||
| case "level": | ||
| a.Key = "severity" | ||
| case "msg": | ||
| a.Key = "message" | ||
| } | ||
| return a | ||
| } | ||
| } | ||
|
|
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| const CTX_REQUEST_ID = "requestID" | ||
|
|
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| func CreateLoggerMiddleware() fiber.Handler { | ||
| return func(c *fiber.Ctx) error { | ||
| requestID := uuid.New().String() | ||
| c.Context().SetUserValue(CTX_REQUEST_ID, requestID) | ||
| c.Set("X-Request-ID", requestID) | ||
|
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| start := time.Now() | ||
|
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| err := c.Next() | ||
|
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| end := time.Now() | ||
| latency := end.Sub(start) | ||
| status := c.Response().StatusCode() | ||
| userAgent := string(c.Context().UserAgent()) | ||
|
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| logger := slog.Info | ||
| message := "Responeded to request with success code" | ||
| if status >= http.StatusInternalServerError { | ||
| logger = slog.Error | ||
| message = "Responeded to request with error code" | ||
| } else if status >= http.StatusBadRequest && status < http.StatusInternalServerError { | ||
| logger = slog.Warn | ||
| message = "Responeded to request with failure code" | ||
| } | ||
|
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| logger(message, | ||
| "user-agent", userAgent, | ||
| "status", status, | ||
| "latency", latency, | ||
| GetRequestLogGroup(c), | ||
| ) | ||
|
|
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| return err | ||
| } | ||
| } | ||
|
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| func GetRequestLogGroup(c *fiber.Ctx) slog.Attr { | ||
| id := GetRequestID(c) | ||
| return slog.Group("http-request", | ||
| "id", id, | ||
| "method", c.Method(), | ||
| "path", c.Path(), | ||
| ) | ||
| } | ||
|
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| func GetRequestID(c *fiber.Ctx) string { | ||
| requestID, ok := c.Context().UserValue(CTX_REQUEST_ID).(string) | ||
| if !ok { | ||
| return "" | ||
| } | ||
|
|
||
| return requestID | ||
| } |
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