13 files changed, 31 insertions, 27 deletions
diff --git a/go/topology/allocate_volume.go b/go/topology/allocate_volume.go
index 6562e9ac5..a791b4c1c 100644
--- a/go/topology/allocate_volume.go
+++ b/go/topology/allocate_volume.go
@@ -1,11 +1,12 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/storage"
-	"github.com/chrislusf/weed-fs/go/util"
 	"encoding/json"
 	"errors"
 	"net/url"
+
+	"github.com/chrislusf/weed-fs/go/storage"
+	"github.com/chrislusf/weed-fs/go/util"
 )
 
 type AllocateVolumeResult struct {
diff --git a/go/topology/data_center.go b/go/topology/data_center.go
index ebd07803b..bcf2dfd31 100644
--- a/go/topology/data_center.go
+++ b/go/topology/data_center.go
@@ -1,7 +1,5 @@
 package topology
 
-import ()
-
 type DataCenter struct {
 	NodeImpl
 }
diff --git a/go/topology/data_node.go b/go/topology/data_node.go
index c3b90470f..109bd037f 100644
--- a/go/topology/data_node.go
+++ b/go/topology/data_node.go
@@ -1,9 +1,10 @@
 package topology
 
 import (
+	"strconv"
+
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/storage"
-	"strconv"
 )
 
 type DataNode struct {
diff --git a/go/topology/node.go b/go/topology/node.go
index 54118802e..10955fa72 100644
--- a/go/topology/node.go
+++ b/go/topology/node.go
@@ -1,11 +1,12 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/glog"
-	"github.com/chrislusf/weed-fs/go/storage"
 	"errors"
 	"math/rand"
 	"strings"
+
+	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/storage"
 )
 
 type NodeId string
diff --git a/go/topology/store_replicate.go b/go/topology/store_replicate.go
index 6ea019bd8..0c52f9d30 100644
--- a/go/topology/store_replicate.go
+++ b/go/topology/store_replicate.go
@@ -2,12 +2,13 @@ package topology
 
 import (
 	"bytes"
+	"net/http"
+	"strconv"
+
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/operation"
 	"github.com/chrislusf/weed-fs/go/storage"
 	"github.com/chrislusf/weed-fs/go/util"
-	"net/http"
-	"strconv"
 )
 
 func ReplicatedWrite(masterNode string, s *storage.Store, volumeId storage.VolumeId, needle *storage.Needle, r *http.Request) (size uint32, errorStatus string) {
diff --git a/go/topology/topology.go b/go/topology/topology.go
index cfce0c9a8..eb64d336c 100644
--- a/go/topology/topology.go
+++ b/go/topology/topology.go
@@ -1,14 +1,15 @@
 package topology
 
 import (
+	"errors"
+	"io/ioutil"
+	"math/rand"
+
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/operation"
 	"github.com/chrislusf/weed-fs/go/sequence"
 	"github.com/chrislusf/weed-fs/go/storage"
-	"errors"
 	"github.com/goraft/raft"
-	"io/ioutil"
-	"math/rand"
 )
 
 type Topology struct {
diff --git a/go/topology/topology_event_handling.go b/go/topology/topology_event_handling.go
index eb4491484..7e36568b6 100644
--- a/go/topology/topology_event_handling.go
+++ b/go/topology/topology_event_handling.go
@@ -1,10 +1,11 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/glog"
-	"github.com/chrislusf/weed-fs/go/storage"
 	"math/rand"
 	"time"
+
+	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/storage"
 )
 
 func (t *Topology) StartRefreshWritableVolumes(garbageThreshold string) {
diff --git a/go/topology/topology_map.go b/go/topology/topology_map.go
index d6400c988..af95c6536 100644
--- a/go/topology/topology_map.go
+++ b/go/topology/topology_map.go
@@ -1,7 +1,5 @@
 package topology
 
-import ()
-
 func (t *Topology) ToMap() interface{} {
 	m := make(map[string]interface{})
 	m["Max"] = t.GetMaxVolumeCount()
diff --git a/go/topology/topology_vacuum.go b/go/topology/topology_vacuum.go
index 72846f20b..97a76026d 100644
--- a/go/topology/topology_vacuum.go
+++ b/go/topology/topology_vacuum.go
@@ -1,13 +1,14 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/glog"
-	"github.com/chrislusf/weed-fs/go/storage"
-	"github.com/chrislusf/weed-fs/go/util"
 	"encoding/json"
 	"errors"
 	"net/url"
 	"time"
+
+	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/storage"
+	"github.com/chrislusf/weed-fs/go/util"
 )
 
 func batchVacuumVolumeCheck(vl *VolumeLayout, vid storage.VolumeId, locationlist *VolumeLocationList, garbageThreshold string) bool {
diff --git a/go/topology/volume_growth.go b/go/topology/volume_growth.go
index 2859d3992..b1f241990 100644
--- a/go/topology/volume_growth.go
+++ b/go/topology/volume_growth.go
@@ -1,11 +1,12 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/glog"
-	"github.com/chrislusf/weed-fs/go/storage"
 	"fmt"
 	"math/rand"
 	"sync"
+
+	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/storage"
 )
 
 /*
diff --git a/go/topology/volume_growth_test.go b/go/topology/volume_growth_test.go
index 5581c87ce..267b36042 100644
--- a/go/topology/volume_growth_test.go
+++ b/go/topology/volume_growth_test.go
@@ -1,11 +1,12 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/sequence"
-	"github.com/chrislusf/weed-fs/go/storage"
 	"encoding/json"
 	"fmt"
 	"testing"
+
+	"github.com/chrislusf/weed-fs/go/sequence"
+	"github.com/chrislusf/weed-fs/go/storage"
 )
 
 var topologyLayout = `
diff --git a/go/topology/volume_layout.go b/go/topology/volume_layout.go
index 7bb0cf7e3..de72bf895 100644
--- a/go/topology/volume_layout.go
+++ b/go/topology/volume_layout.go
@@ -1,11 +1,12 @@
 package topology
 
 import (
-	"github.com/chrislusf/weed-fs/go/glog"
-	"github.com/chrislusf/weed-fs/go/storage"
 	"errors"
 	"math/rand"
 	"sync"
+
+	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/storage"
 )
 
 // mapping from volume to its locations, inverted from server to volume
diff --git a/go/topology/volume_location_list.go b/go/topology/volume_location_list.go
index 176f469b9..011614013 100644
--- a/go/topology/volume_location_list.go
+++ b/go/topology/volume_location_list.go
@@ -1,7 +1,5 @@
 package topology
 
-import ()
-
 type VolumeLocationList struct {
 	list []*DataNode
 }