healthcheck.go
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package admin
import (
"fmt"
"net/http"
)
//type DatabaseCheck struct {
//}
//func (dc *DatabaseCheck) Check() error {
// if dc.isConnected() {
// return nil
// } else {
// return errors.New("can't connect database")
// }
//}
//AddHealthCheck("database",&DatabaseCheck{})
var AdminCheckList map[string]HealthChecker
type HealthChecker interface {
Check() error
}
func AddHealthCheck(name string, hc HealthChecker) {
AdminCheckList[name] = hc
}
func Healthcheck(rw http.ResponseWriter, req *http.Request) {
for name, h := range AdminCheckList {
if err := h.Check(); err != nil {
fmt.Fprintf(rw, "%s : ok\n", name)
} else {
fmt.Fprintf(rw, "%s : %s\n", name, err.Error())
}
}
}
func init() {
AdminCheckList = make(map[string]HealthChecker)
}