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|
package server
import (
"fmt"
"log/slog"
"net/http"
)
type Admin struct {
server *http.Server
s *Server
}
func NewAdmin(listen string, s *Server) *Admin {
if listen == "" {
return nil
}
mux := http.NewServeMux()
a := &Admin{
server: &http.Server{
Addr: listen,
Handler: mux,
},
s: s,
}
mux.HandleFunc("/health", a.healthHandler)
return a
}
func (a *Admin) Start() {
if a == nil {
return
}
go func() {
slog.Info("admin server listening", "addr", a.server.Addr)
if err := a.server.ListenAndServe(); err != nil &&
err != http.ErrServerClosed {
slog.Error("admin server failed", "error", err)
}
}()
}
func (a *Admin) Close() error {
if a == nil {
return nil
}
return a.server.Close()
}
func (a *Admin) healthHandler(w http.ResponseWriter, r *http.Request) {
if a.s == nil {
http.Error(w, "not ready", http.StatusServiceUnavailable)
return
}
if a.s.Ready() {
w.WriteHeader(http.StatusOK)
fmt.Fprint(w, "ok\n")
return
}
http.Error(w, "not ready", http.StatusServiceUnavailable)
}
|
