func validateVolumeCreate(msg *volume.VolCreateRequest, v *volume.Volinfo) (int, error) {
if volume.ExistsFunc(msg.Name) {
log.WithField("volume", msg.Name).Error("Volume already exists")
return http.StatusBadRequest, errors.ErrVolExists
}
httpStatusCode, err := volume.ValidateBrickEntriesFunc(v.Bricks, v.ID, msg.Force)
if err != nil {
return httpStatusCode, err
}
return 0, nil
}
func volumeCreateHandler(w http.ResponseWriter, r *http.Request) {
req := new(volume.VolCreateRequest)
httpStatus, e := unmarshalVolCreateRequest(req, r)
if e != nil {
rest.SendHTTPError(w, httpStatus, e.Error())
return
}
if volume.ExistsFunc(req.Name) {
rest.SendHTTPError(w, http.StatusInternalServerError, gderrors.ErrVolExists.Error())
return
}
nodes, e := nodesForVolCreate(req)
if e != nil {
rest.SendHTTPError(w, http.StatusInternalServerError, e.Error())
return
}
txn, e := (&transaction.SimpleTxn{
Nodes: nodes,
LockKey: req.Name,
Stage: "vol-create.Stage",
Commit: "vol-create.Commit",
Store: "vol-create.Store",
Rollback: "vol-create.Rollback",
LogFields: &log.Fields{
"reqid": uuid.NewRandom().String(),
},
}).NewTxn()
if e != nil {
rest.SendHTTPError(w, http.StatusInternalServerError, e.Error())
return
}
defer txn.Cleanup()
e = txn.Ctx.Set("req", req)
if e != nil {
rest.SendHTTPError(w, http.StatusInternalServerError, e.Error())
return
}
vol, e := createVolinfo(req)
if e != nil {
rest.SendHTTPError(w, http.StatusInternalServerError, e.Error())
return
}
e = txn.Ctx.Set("volinfo", vol)
if e != nil {
rest.SendHTTPError(w, http.StatusInternalServerError, e.Error())
return
}
c, e := txn.Do()
if e != nil {
rest.SendHTTPError(w, http.StatusInternalServerError, e.Error())
return
}
e = c.Get("volinfo", &vol)
if e == nil {
rest.SendHTTPResponse(w, http.StatusCreated, vol)
c.Logger().WithField("volname", vol.Name).Info("new volume created")
} else {
rest.SendHTTPError(w, http.StatusInternalServerError, "failed to get volinfo")
}
return
}