1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
package shell
import (
_ "embed"
"github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/golang/protobuf/proto"
"github.com/stretchr/testify/assert"
"strconv"
"strings"
"testing"
"github.com/chrislusf/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], "(")]
volumeCountStr := parts[1][strings.Index(parts[1], ":")+1 : strings.Index(parts[1], "/")]
maxVolumeCountStr := parts[1][strings.Index(parts[1], "/")+1:]
maxVolumeCount, _ := strconv.Atoi(maxVolumeCountStr)
volumeCount, _ := strconv.Atoi(volumeCountStr)
disk = &master_pb.DiskInfo{
Type: diskType,
MaxVolumeCount: int64(maxVolumeCount),
VolumeCount: int64(volumeCount),
}
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
}
//go:embed sample.topo.txt
var topoData string
|
