seaweedfs/go/operation/list_masters.go
Chris Lu 27c74a7e66 Major:
change replication_type to ReplicaPlacement, hopefully cleaner code
works for 9 possible ReplicaPlacement
xyz
x : number of copies on other data centers
y : number of copies on other racks
z : number of copies on current rack
x y z each can be 0,1,2

Minor:
weed server "-mdir" default to "-dir" if empty
2014-03-02 22:16:54 -08:00

32 lines
638 B
Go

package operation
import (
"code.google.com/p/weed-fs/go/glog"
"code.google.com/p/weed-fs/go/util"
"encoding/json"
)
type ClusterStatusResult struct {
IsLeader bool
Leader string
Peers []string
}
func ListMasters(server string) ([]string, error) {
jsonBlob, err := util.Get("http://" + server + "/cluster/status")
glog.V(2).Info("list masters result :", string(jsonBlob))
if err != nil {
return nil, err
}
var ret ClusterStatusResult
err = json.Unmarshal(jsonBlob, &ret)
if err != nil {
return nil, err
}
masters := ret.Peers
if ret.IsLeader {
masters = append(masters, ret.Leader)
}
return masters, nil
}