seaweedfs/weed/topology/cluster_commands.go
2017-11-28 17:08:59 -08:00

32 lines
728 B
Go

package topology
import (
"github.com/chrislusf/raft"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
)
type MaxVolumeIdCommand struct {
MaxVolumeId storage.VolumeId `json:"maxVolumeId"`
}
func NewMaxVolumeIdCommand(value storage.VolumeId) *MaxVolumeIdCommand {
return &MaxVolumeIdCommand{
MaxVolumeId: value,
}
}
func (c *MaxVolumeIdCommand) CommandName() string {
return "MaxVolumeId"
}
func (c *MaxVolumeIdCommand) Apply(server raft.Server) (interface{}, error) {
topo := server.Context().(*Topology)
before := topo.GetMaxVolumeId()
topo.UpAdjustMaxVolumeId(c.MaxVolumeId)
glog.V(0).Infoln("max volume id", before, "==>", topo.GetMaxVolumeId())
return nil, nil
}