frostfs-s3-gw/cmd/gate/app-healthy.go
Evgeniy Kulikov 1c6da41bee NFSSVC-25 Isolate health-checkers
- Add mime-type for health-check response
- Remove legacy health-checkers
2020-07-21 17:43:45 +03:00

44 lines
958 B
Go

package main
import (
"fmt"
"net/http"
"github.com/gorilla/mux"
)
type Healthy interface {
Status() error
}
const (
healthyState = "NeoFS S3 Gateway is "
hdrContentType = "Content-Type"
defaultContentType = "text/plain; charset=utf-8"
)
func attachHealthy(r *mux.Router, h Healthy) {
healthy := r.PathPrefix(systemPath + "/-").
Subrouter().
StrictSlash(true)
healthy.HandleFunc("/ready", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(hdrContentType, defaultContentType)
w.WriteHeader(http.StatusOK)
_, _ = fmt.Fprintln(w, healthyState+"ready")
})
healthy.HandleFunc("/healthy", func(w http.ResponseWriter, r *http.Request) {
code := http.StatusOK
msg := "healthy"
if err := h.Status(); err != nil {
msg = "unhealthy: " + err.Error()
code = http.StatusBadRequest
}
w.Header().Set(hdrContentType, defaultContentType)
w.WriteHeader(code)
_, _ = fmt.Fprintln(w, healthyState+msg)
})
}