mirror of
https://github.com/seaweedfs/seaweedfs.git
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184 lines
5.3 KiB
Go
184 lines
5.3 KiB
Go
package shell
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import (
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"testing"
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"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
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"github.com/chrislusf/seaweedfs/weed/storage/super_block"
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)
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type testMoveCase struct {
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name string
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replication string
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replicas []*VolumeReplica
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sourceLocation location
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targetLocation location
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expected bool
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}
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func TestIsGoodMove(t *testing.T) {
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var tests = []testMoveCase{
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{
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name: "test 100 move to wrong data centers",
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replication: "100",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc2", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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targetLocation: location{"dc2", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
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expected: false,
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},
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{
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name: "test 100 move to spread into proper data centers",
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replication: "100",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc2", "r2", &master_pb.DataNodeInfo{Id: "dn3"}},
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expected: true,
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},
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{
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name: "test move to the same node",
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replication: "001",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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expected: false,
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},
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{
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name: "test move to the same rack, but existing node",
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replication: "001",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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expected: false,
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},
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{
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name: "test move to the same rack, a new node",
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replication: "001",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn3"}},
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expected: true,
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},
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{
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name: "test 010 move all to the same rack",
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replication: "010",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn3"}},
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expected: false,
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},
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{
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name: "test 010 move to spread racks",
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replication: "010",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc1", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
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expected: true,
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},
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{
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name: "test 010 move to spread racks",
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replication: "010",
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replicas: []*VolumeReplica{
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{
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location: &location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
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},
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{
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location: &location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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},
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},
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sourceLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
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targetLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn3"}},
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expected: true,
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},
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}
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for _, tt := range tests {
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replicaPlacement, _ := super_block.NewReplicaPlacementFromString(tt.replication)
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println("replication:", tt.replication, "expected", tt.expected, "name:", tt.name)
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sourceNode := &Node{
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info: tt.sourceLocation.dataNode,
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dc: tt.sourceLocation.dc,
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rack: tt.sourceLocation.rack,
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}
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targetNode := &Node{
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info: tt.targetLocation.dataNode,
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dc: tt.targetLocation.dc,
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rack: tt.targetLocation.rack,
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}
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if isGoodMove(replicaPlacement, tt.replicas, sourceNode, targetNode) != tt.expected {
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t.Errorf("%s: expect %v move from %v to %s, replication:%v",
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tt.name, tt.expected, tt.sourceLocation, tt.targetLocation, tt.replication)
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}
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}
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}
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func TestBalance(t *testing.T) {
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topologyInfo := parseOutput(topoData)
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volumeServers := collectVolumeServersByDc(topologyInfo, "")
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volumeReplicas, _ := collectVolumeReplicaLocations(topologyInfo)
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diskTypes := collectVolumeDiskTypes(topologyInfo)
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if err := balanceVolumeServers(nil, diskTypes, volumeReplicas, volumeServers, 30*1024*1024*1024, "ALL_COLLECTIONS", false); err != nil {
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t.Errorf("balance: %v", err)
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}
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}
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