seaweedfs/weed/shell/command_volume_list_test.go

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package shell
import (
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_ "embed"
"github.com/seaweedfs/seaweedfs/weed/storage/types"
"github.com/stretchr/testify/assert"
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//"google.golang.org/protobuf/proto"
"github.com/golang/protobuf/proto"
"strconv"
"strings"
"testing"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
)
func TestParsing(t *testing.T) {
topo := parseOutput(topoData)
assert.Equal(t, 5, len(topo.DataCenterInfos))
}
func parseOutput(output string) *master_pb.TopologyInfo {
lines := strings.Split(output, "\n")
var topo *master_pb.TopologyInfo
var dc *master_pb.DataCenterInfo
var rack *master_pb.RackInfo
var dn *master_pb.DataNodeInfo
var disk *master_pb.DiskInfo
for _, line := range lines {
line = strings.TrimSpace(line)
parts := strings.Split(line, " ")
switch parts[0] {
case "Topology":
if topo == nil {
topo = &master_pb.TopologyInfo{}
}
case "DataCenter":
if dc == nil {
dc = &master_pb.DataCenterInfo{
Id: parts[1],
}
topo.DataCenterInfos = append(topo.DataCenterInfos, dc)
} else {
dc = nil
}
case "Rack":
if rack == nil {
rack = &master_pb.RackInfo{
Id: parts[1],
}
dc.RackInfos = append(dc.RackInfos, rack)
} else {
rack = nil
}
case "DataNode":
if dn == nil {
dn = &master_pb.DataNodeInfo{
Id: parts[1],
DiskInfos: make(map[string]*master_pb.DiskInfo),
}
rack.DataNodeInfos = append(rack.DataNodeInfos, dn)
} else {
dn = nil
}
case "Disk":
if disk == nil {
diskType := parts[1][:strings.Index(parts[1], "(")]
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volumeCountStr := parts[1][strings.Index(parts[1], ":")+1 : strings.Index(parts[1], "/")]
maxVolumeCountStr := parts[1][strings.Index(parts[1], "/")+1:]
maxVolumeCount, _ := strconv.Atoi(maxVolumeCountStr)
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volumeCount, _ := strconv.Atoi(volumeCountStr)
disk = &master_pb.DiskInfo{
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Type: diskType,
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MaxVolumeCount: int64(maxVolumeCount),
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VolumeCount: int64(volumeCount),
}
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dn.DiskInfos[types.ToDiskType(diskType).String()] = disk
} else {
disk = nil
}
case "volume":
volumeLine := line[len("volume "):]
volume := &master_pb.VolumeInformationMessage{}
proto.UnmarshalText(volumeLine, volume)
disk.VolumeInfos = append(disk.VolumeInfos, volume)
}
}
return topo
}
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//go:embed volume.list.txt
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var topoData string