internal/httpd/healthz.go

 1package httpd
 2
 3import (
 4	"encoding/json"
 5	"net/http"
 6
 7	"gitbay.org/gitbay/internal/buildinfo"
 8)
 9
10// healthz answers from inside the process: whether the database answers,
11// and which build is serving. No auth, no repository data; a monitor or
12// an uptime check reads it. 503 when the database does not answer, so a
13// checker that only reads the status code still learns the truth.
14func (s *Server) healthz(w http.ResponseWriter, r *http.Request) {
15	dbErr := ""
16	if err := s.st.DB.Ping(); err != nil {
17		dbErr = err.Error()
18	} else if _, err := s.st.Version(); err != nil {
19		dbErr = err.Error()
20	}
21	w.Header().Set("Content-Type", "application/json")
22	w.Header().Set("Cache-Control", "no-store")
23	if dbErr != "" {
24		w.WriteHeader(http.StatusServiceUnavailable)
25	}
26	json.NewEncoder(w).Encode(map[string]any{
27		"ok":     dbErr == "",
28		"commit": buildinfo.String(),
29		"db":     map[string]any{"ok": dbErr == "", "error": dbErr},
30	})
31}