testing compilation with remove package
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129
go/replication/volume_growth_test.go
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129
go/replication/volume_growth_test.go
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package replication
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import (
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"encoding/json"
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"fmt"
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"math/rand"
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"code.google.com/p/weed-fs/go/storage"
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"code.google.com/p/weed-fs/go/topology"
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"testing"
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"time"
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)
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var topologyLayout = `
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{
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"dc1":{
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"rack1":{
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"server1":{
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"volumes":[
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{"id":1, "size":12312},
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{"id":2, "size":12312},
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{"id":3, "size":12312}
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],
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"limit":3
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},
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"server2":{
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"volumes":[
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{"id":4, "size":12312},
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{"id":5, "size":12312},
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{"id":6, "size":12312}
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],
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"limit":10
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}
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},
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"rack2":{
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"server1":{
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"volumes":[
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{"id":4, "size":12312},
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{"id":5, "size":12312},
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{"id":6, "size":12312}
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],
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"limit":4
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},
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"server2":{
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"volumes":[],
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"limit":4
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},
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"server3":{
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"volumes":[
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{"id":2, "size":12312},
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{"id":3, "size":12312},
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{"id":4, "size":12312}
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],
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"limit":2
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}
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}
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},
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"dc2":{
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},
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"dc3":{
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"rack2":{
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"server1":{
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"volumes":[
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{"id":1, "size":12312},
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{"id":3, "size":12312},
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{"id":5, "size":12312}
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],
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"limit":4
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}
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}
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}
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}
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`
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func setup(topologyLayout string) *topology.Topology {
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var data interface{}
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err := json.Unmarshal([]byte(topologyLayout), &data)
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if err != nil {
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fmt.Println("error:", err)
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}
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fmt.Println("data:", data)
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//need to connect all nodes first before server adding volumes
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topo := topology.NewTopology("mynetwork", "/etc/weedfs/weedfs.conf", "/tmp", "testing", 32*1024, 5)
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mTopology := data.(map[string]interface{})
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for dcKey, dcValue := range mTopology {
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dc := topology.NewDataCenter(dcKey)
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dcMap := dcValue.(map[string]interface{})
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topo.LinkChildNode(dc)
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for rackKey, rackValue := range dcMap {
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rack := topology.NewRack(rackKey)
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rackMap := rackValue.(map[string]interface{})
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dc.LinkChildNode(rack)
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for serverKey, serverValue := range rackMap {
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server := topology.NewDataNode(serverKey)
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serverMap := serverValue.(map[string]interface{})
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rack.LinkChildNode(server)
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for _, v := range serverMap["volumes"].([]interface{}) {
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m := v.(map[string]interface{})
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vi := storage.VolumeInfo{Id: storage.VolumeId(int64(m["id"].(float64))), Size: int64(m["size"].(float64)), Version: storage.CurrentVersion}
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server.AddOrUpdateVolume(vi)
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}
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server.UpAdjustMaxVolumeCountDelta(int(serverMap["limit"].(float64)))
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}
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}
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}
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return topo
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}
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func TestRemoveDataCenter(t *testing.T) {
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topo := setup(topologyLayout)
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topo.UnlinkChildNode(topology.NodeId("dc2"))
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if topo.GetActiveVolumeCount() != 15 {
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t.Fail()
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}
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topo.UnlinkChildNode(topology.NodeId("dc3"))
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if topo.GetActiveVolumeCount() != 12 {
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t.Fail()
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}
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}
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func TestReserveOneVolume(t *testing.T) {
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topo := setup(topologyLayout)
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rand.Seed(time.Now().UnixNano())
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vg := &VolumeGrowth{copy1factor: 3, copy2factor: 2, copy3factor: 1, copyAll: 4}
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if c, e := vg.GrowByCountAndType(1, storage.Copy000, topo); e == nil {
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t.Log("reserved", c)
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}
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}
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