etcd/mod/lock/v2/renew_handler.go
2013-12-04 22:24:04 -07:00

31 lines
757 B
Go

package v2
import (
"path"
"net/http"
"strconv"
"github.com/gorilla/mux"
)
// renewLockHandler attempts to update the TTL on an existing lock.
// Returns a 200 OK if successful. Returns non-200 on error.
func (h *handler) renewLockHandler(w http.ResponseWriter, req *http.Request) {
h.client.SyncCluster()
vars := mux.Vars(req)
keypath := path.Join(prefix, vars["key_with_index"])
ttl, err := strconv.Atoi(req.FormValue("ttl"))
if err != nil {
http.Error(w, "invalid ttl: " + err.Error(), http.StatusInternalServerError)
return
}
// Renew the lock, if it exists.
_, err = h.client.Update(keypath, "-", uint64(ttl))
if err != nil {
http.Error(w, "renew lock index error: " + err.Error(), http.StatusInternalServerError)
return
}
}