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refactor(middleware/prometheus): add host label

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This commit is contained in:
Trong Huu Nguyen
2022-07-18 09:40:18 +02:00
parent f504bb0030
commit 445a20f1c1
1 changed files with 4 additions and 4 deletions
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pkg/middleware/prometheus.go
+4 -4
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@@ -37,7 +37,7 @@ func NewPrometheusMiddleware(name, provider string, buckets ...float64) *Prometh
Help: "How many HTTP requests processed, partitioned by status code, method and HTTP path.",
ConstLabels: prometheus.Labels{"service": name, "provider": provider},
},
[]string{"code", "method", "path"},
[]string{"code", "method", "path", "host"},
)
if len(buckets) == 0 {
@@ -49,7 +49,7 @@ func NewPrometheusMiddleware(name, provider string, buckets ...float64) *Prometh
ConstLabels: prometheus.Labels{"service": name, "provider": provider},
Buckets: buckets,
},
[]string{"code", "method", "path"},
[]string{"code", "method", "path", "host"},
)
prometheus.Register(m.reqs)
@@ -73,8 +73,8 @@ func (m *PrometheusMiddleware) Handler(next http.Handler) http.Handler {
next.ServeHTTP(ww, r)
statusCode := strconv.Itoa(ww.Status())
duration := time.Since(start)
m.reqs.WithLabelValues(statusCode, r.Method, r.URL.Path).Inc()
m.latency.WithLabelValues(statusCode, r.Method, r.URL.Path).Observe(duration.Seconds())
m.reqs.WithLabelValues(statusCode, r.Method, r.URL.Path, r.Host).Inc()
m.latency.WithLabelValues(statusCode, r.Method, r.URL.Path, r.Host).Observe(duration.Seconds())
}
return http.HandlerFunc(fn)
}