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package topology
import ( "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "github.com/chrislusf/seaweedfs/weed/sequence" "github.com/chrislusf/seaweedfs/weed/storage" "github.com/chrislusf/seaweedfs/weed/storage/needle" "github.com/chrislusf/seaweedfs/weed/storage/super_block"
"testing" )
func TestRemoveDataCenter(t *testing.T) { topo := setup(topologyLayout) topo.UnlinkChildNode(NodeId("dc2")) if topo.GetActiveVolumeCount() != 15 { t.Fail() } topo.UnlinkChildNode(NodeId("dc3")) if topo.GetActiveVolumeCount() != 12 { t.Fail() } }
func TestHandlingVolumeServerHeartbeat(t *testing.T) { topo := NewTopology("weedfs", sequence.NewMemorySequencer(), 32*1024, 5, false)
dc := topo.GetOrCreateDataCenter("dc1") rack := dc.GetOrCreateRack("rack1") dn := rack.GetOrCreateDataNode("127.0.0.1", 34534, "127.0.0.1", 25, 12)
{ volumeCount := 7 var volumeMessages []*master_pb.VolumeInformationMessage for k := 1; k <= volumeCount; k++ { volumeMessage := &master_pb.VolumeInformationMessage{ Id: uint32(k), Size: uint64(25432), Collection: "", FileCount: uint64(2343), DeleteCount: uint64(345), DeletedByteCount: 34524, ReadOnly: false, ReplicaPlacement: uint32(0), Version: uint32(needle.CurrentVersion), Ttl: 0, } volumeMessages = append(volumeMessages, volumeMessage) }
for k := 1; k <= volumeCount; k++ { volumeMessage := &master_pb.VolumeInformationMessage{ Id: uint32(volumeCount + k), Size: uint64(25432), Collection: "", FileCount: uint64(2343), DeleteCount: uint64(345), DeletedByteCount: 34524, ReadOnly: false, ReplicaPlacement: uint32(0), Version: uint32(needle.CurrentVersion), Ttl: 0, DiskType: "ssd", } volumeMessages = append(volumeMessages, volumeMessage) }
topo.SyncDataNodeRegistration(volumeMessages, dn)
assert(t, "activeVolumeCount1", int(topo.activeVolumeCount), volumeCount*2) assert(t, "volumeCount", int(topo.volumeCount), volumeCount) assert(t, "ssdVolumeCount", int(topo.ssdVolumeCount), volumeCount) }
{ volumeCount := 7 - 1 var volumeMessages []*master_pb.VolumeInformationMessage for k := 1; k <= volumeCount; k++ { volumeMessage := &master_pb.VolumeInformationMessage{ Id: uint32(k), Size: uint64(254320), Collection: "", FileCount: uint64(2343), DeleteCount: uint64(345), DeletedByteCount: 345240, ReadOnly: false, ReplicaPlacement: uint32(0), Version: uint32(needle.CurrentVersion), Ttl: 0, } volumeMessages = append(volumeMessages, volumeMessage) } topo.SyncDataNodeRegistration(volumeMessages, dn)
//rp, _ := storage.NewReplicaPlacementFromString("000")
//layout := topo.GetVolumeLayout("", rp, needle.EMPTY_TTL)
//assert(t, "writables", len(layout.writables), volumeCount)
assert(t, "activeVolumeCount1", int(topo.activeVolumeCount), volumeCount) assert(t, "volumeCount", int(topo.volumeCount), volumeCount) }
{ volumeCount := 6 newVolumeShortMessage := &master_pb.VolumeShortInformationMessage{ Id: uint32(3), Collection: "", ReplicaPlacement: uint32(0), Version: uint32(needle.CurrentVersion), Ttl: 0, } topo.IncrementalSyncDataNodeRegistration( []*master_pb.VolumeShortInformationMessage{newVolumeShortMessage}, nil, dn) rp, _ := super_block.NewReplicaPlacementFromString("000") layout := topo.GetVolumeLayout("", rp, needle.EMPTY_TTL, storage.HardDriveType) assert(t, "writables after repeated add", len(layout.writables), volumeCount)
assert(t, "activeVolumeCount1", int(topo.activeVolumeCount), volumeCount) assert(t, "volumeCount", int(topo.volumeCount), volumeCount)
topo.IncrementalSyncDataNodeRegistration( nil, []*master_pb.VolumeShortInformationMessage{newVolumeShortMessage}, dn) assert(t, "writables after deletion", len(layout.writables), volumeCount-1) assert(t, "activeVolumeCount1", int(topo.activeVolumeCount), volumeCount-1) assert(t, "volumeCount", int(topo.volumeCount), volumeCount-1)
topo.IncrementalSyncDataNodeRegistration( []*master_pb.VolumeShortInformationMessage{newVolumeShortMessage}, nil, dn)
for vid := range layout.vid2location { println("after add volume id", vid) } for _, vid := range layout.writables { println("after add writable volume id", vid) }
assert(t, "writables after add back", len(layout.writables), volumeCount)
}
topo.UnRegisterDataNode(dn)
assert(t, "activeVolumeCount2", int(topo.activeVolumeCount), 0)
}
func assert(t *testing.T, message string, actual, expected int) { if actual != expected { t.Fatalf("unexpected %s: %d, expected: %d", message, actual, expected) } }
func TestAddRemoveVolume(t *testing.T) {
topo := NewTopology("weedfs", sequence.NewMemorySequencer(), 32*1024, 5, false)
dc := topo.GetOrCreateDataCenter("dc1") rack := dc.GetOrCreateRack("rack1") dn := rack.GetOrCreateDataNode("127.0.0.1", 34534, "127.0.0.1", 25, 12)
v := storage.VolumeInfo{ Id: needle.VolumeId(1), Size: 100, Collection: "xcollection", DiskType: "ssd", FileCount: 123, DeleteCount: 23, DeletedByteCount: 45, ReadOnly: false, Version: needle.CurrentVersion, ReplicaPlacement: &super_block.ReplicaPlacement{}, Ttl: needle.EMPTY_TTL, }
dn.UpdateVolumes([]storage.VolumeInfo{v}) topo.RegisterVolumeLayout(v, dn) topo.RegisterVolumeLayout(v, dn)
if _, hasCollection := topo.FindCollection(v.Collection); !hasCollection { t.Errorf("collection %v should exist", v.Collection) }
topo.UnRegisterVolumeLayout(v, dn)
if _, hasCollection := topo.FindCollection(v.Collection); hasCollection { t.Errorf("collection %v should not exist", v.Collection) }
}
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