package compat import ( "fmt" "net/http" "github.com/containers/buildah" ) // Ping returns headers to client about the service // // This handler must always be the same for the compatibility and libpod URL trees! // Clients will use the Header availability to test which backend engine is in use. // Note: Additionally handler supports GET and HEAD methods func Ping(w http.ResponseWriter, r *http.Request) { // Note: API-Version and Libpod-API-Version are set in handler_api.go w.Header().Set("BuildKit-Version", "") w.Header().Set("Builder-Version", "") w.Header().Set("Docker-Experimental", "true") w.Header().Set("Cache-Control", "no-cache") w.Header().Set("Pragma", "no-cache") w.Header().Set("Libpod-Buildah-Version", buildah.Version) w.WriteHeader(http.StatusOK) if r.Method == http.MethodGet { fmt.Fprint(w, "OK") } }