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|
package git
import (
"net/http"
"strconv"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
)
const (
directionIn = "in"
directionOut = "out"
)
var (
gitHTTPSessionsActive = promauto.NewGauge(prometheus.GaugeOpts{
Name: "gitlab_workhorse_git_http_sessions_active",
Help: "Number of Git HTTP request-response cycles currently being handled by gitlab-workhorse.",
})
gitHTTPRequests = promauto.NewCounterVec(
prometheus.CounterOpts{
Name: "gitlab_workhorse_git_http_requests",
Help: "How many Git HTTP requests have been processed by gitlab-workhorse, partitioned by request type and agent.",
},
[]string{"method", "code", "service", "agent"},
)
gitHTTPBytes = promauto.NewCounterVec(
prometheus.CounterOpts{
Name: "gitlab_workhorse_git_http_bytes",
Help: "How many Git HTTP bytes have been sent by gitlab-workhorse, partitioned by request type, agent and direction.",
},
[]string{"method", "code", "service", "agent", "direction"},
)
)
type HttpResponseWriter struct {
helper.CountingResponseWriter
}
func NewHttpResponseWriter(rw http.ResponseWriter) *HttpResponseWriter {
gitHTTPSessionsActive.Inc()
return &HttpResponseWriter{
CountingResponseWriter: helper.NewCountingResponseWriter(rw),
}
}
func (w *HttpResponseWriter) Log(r *http.Request, writtenIn int64) {
service := getService(r)
agent := getRequestAgent(r)
gitHTTPSessionsActive.Dec()
gitHTTPRequests.WithLabelValues(r.Method, strconv.Itoa(w.Status()), service, agent).Inc()
gitHTTPBytes.WithLabelValues(r.Method, strconv.Itoa(w.Status()), service, agent, directionIn).
Add(float64(writtenIn))
gitHTTPBytes.WithLabelValues(r.Method, strconv.Itoa(w.Status()), service, agent, directionOut).
Add(float64(w.Count()))
}
func getRequestAgent(r *http.Request) string {
u, _, ok := r.BasicAuth()
if !ok {
return "anonymous"
}
if u == "gitlab-ci-token" {
return "gitlab-ci"
}
return "logged"
}
|
