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package metrics
import (
"net/http"
"strconv"
)
func SanitizeCode(s int) string {
switch s {
case 0, 200:
return "200"
default:
return strconv.Itoa(s)
}
}
// Only support the list of "regular" HTTP methods, see
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods
var methodMap = map[string]string{
"GET": http.MethodGet, "get": http.MethodGet,
"HEAD": http.MethodHead, "head": http.MethodHead,
"PUT": http.MethodPut, "put": http.MethodPut,
"POST": http.MethodPost, "post": http.MethodPost,
"DELETE": http.MethodDelete, "delete": http.MethodDelete,
"CONNECT": http.MethodConnect, "connect": http.MethodConnect,
"OPTIONS": http.MethodOptions, "options": http.MethodOptions,
"TRACE": http.MethodTrace, "trace": http.MethodTrace,
"PATCH": http.MethodPatch, "patch": http.MethodPatch,
}
// SanitizeMethod sanitizes the method for use as a metric label. This helps
// prevent high cardinality on the method label. The name is always upper case.
func SanitizeMethod(m string) string {
if m, ok := methodMap[m]; ok {
return m
}
return "OTHER"
}
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