-
Notifications
You must be signed in to change notification settings - Fork 0
/
distributed_test.go
290 lines (246 loc) · 9.21 KB
/
distributed_test.go
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
package goutube
import (
"fmt"
"io/ioutil"
"net"
"os"
"testing"
"time"
streaming_v1 "github.com/Brijeshlakkad/goutube/api/streaming/v1"
"github.com/Brijeshlakkad/goutube/pointcron"
"github.com/Brijeshlakkad/ring"
"github.com/stretchr/testify/require"
"github.com/travisjeffery/go-dynaport"
)
func TestDistributedLoci_Create_Append_Read(t *testing.T) {
distributedLoci_Leader, teardown_Leader := setupTestDistributedLoci(t, LeaderRule, "distributed-locus-0", &ring.Config{MemberType: ring.ShardMember})
defer teardown_Leader()
distributedLoci_Follower, teardown_Follower := setupTestDistributedLoci(t, FollowerRule, "distributed-locus-1", nil)
defer teardown_Follower()
err := distributedLoci_Leader.Join(distributedLoci_Follower.config.Distributed.StreamLayer.Addr().String(), distributedLoci_Follower.config.Distributed.Rule)
require.NoError(t, err)
for i := 0; i < 10; i++ {
data := []byte(fmt.Sprintf("Test data line %d", i))
record := &streaming_v1.ProduceRequest{
Point: testPointId,
Frame: data,
}
_, err := distributedLoci_Leader.Append(record)
require.NoError(t, err)
}
// Wait for replication to get completed!
time.Sleep(5 * time.Second)
var pos uint64
for i := uint64(0); i < 10; i++ {
data := []byte(fmt.Sprintf("Test data line %d", i))
read := make([]byte, len(data))
n, err := distributedLoci_Follower.ReadAt(testPointId, read, pos)
require.NoError(t, err)
require.Equal(t, data, read)
require.Equal(t, n, len(data))
pos += uint64(len(data))
}
}
func TestDistributedLoci_ParticipationRule(t *testing.T) {
rules := []ParticipationRule{LeaderRule, FollowerRule, FollowerRule}
var teardowns []func()
defer func() {
for _, teardown := range teardowns {
teardown()
}
}()
for i := 0; i < len(rules); i++ {
distributedLoci_Leader, teardown_Leader := setupTestDistributedLoci(t, LeaderRule, "distributed-locus-0", &ring.Config{MemberType: ring.ShardMember})
teardowns = append(teardowns, teardown_Leader)
distributedLoci_Follower, teardown_Follower := setupTestDistributedLoci(t, rules[i], "distributed-locus-1", nil)
teardowns = append(teardowns, teardown_Follower)
err := distributedLoci_Leader.Join(distributedLoci_Follower.config.Distributed.StreamLayer.Addr().String(), distributedLoci_Follower.config.Distributed.Rule)
require.NoError(t, err)
for i := 0; i < 10; i++ {
data := []byte(fmt.Sprintf("Test data line %d", i))
record := &streaming_v1.ProduceRequest{
Point: testPointId,
Frame: data,
}
_, err := distributedLoci_Leader.Append(record)
require.NoError(t, err)
}
// Wait for replication to get completed!
time.Sleep(5 * time.Second)
var pos uint64
_, _, err = distributedLoci_Follower.Read(testPointId, pos)
if rules[i] == StandaloneLeaderRule {
require.Error(t, err)
} else if rules[i] == LeaderRule {
require.Error(t, err)
} else if rules[i] == FollowerRule {
require.NoError(t, err)
}
}
}
func TestDistributedLoci_GetServers(t *testing.T) {
distributedLoci_Leader, teardown_Leader := setupTestDistributedLoci(t,
LeaderRule,
"distributed-locus-leader-1",
&ring.Config{MemberType: ring.ShardMember})
defer teardown_Leader()
var teardowns []func()
defer func() {
for _, teardown := range teardowns {
teardown()
}
}()
followerCount := 5
for i := 0; i < followerCount; i++ {
distributedLoci_Follower, teardown_Follower := setupTestDistributedLoci(t,
FollowerRule,
fmt.Sprintf("distributed-locus-follower-%d", i),
nil)
teardowns = append(teardowns, teardown_Follower)
err := distributedLoci_Leader.Join(distributedLoci_Follower.config.Distributed.StreamLayer.Addr().String(), distributedLoci_Follower.config.Distributed.Rule)
require.NoError(t, err)
}
_, teardown_loadBalancer_1 := setupTestDistributedLoci(t,
LeaderRule,
"loadbalancer-locus-1",
&ring.Config{MemberType: ring.LoadBalancerMember, SeedAddresses: []string{distributedLoci_Leader.ring.BindAddr}}) // Will be part of the distributedLoci_Leader_1's ring.
defer teardown_loadBalancer_1()
_, teardown_loadBalancer_2 := setupTestDistributedLoci(t,
LeaderRule,
"loadbalancer-locus-2",
&ring.Config{MemberType: ring.LoadBalancerMember, SeedAddresses: []string{distributedLoci_Leader.ring.BindAddr}}) // Will be part of the distributedLoci_Leader_1's ring.
defer teardown_loadBalancer_2()
servers, err := distributedLoci_Leader.GetServers(nil)
require.NoError(t, err)
require.Equal(t, 2, len(servers))
}
func TestDistributedLoci_GetPeerServers(t *testing.T) {
var teardowns []func()
defer func() {
for _, teardown := range teardowns {
teardown()
}
}()
distributedLoci_Leader_1, teardown_Leader_1 := setupTestDistributedLoci(t,
LeaderRule,
"distributed-locus-leader-1",
&ring.Config{MemberType: ring.ShardMember})
defer teardown_Leader_1()
followerCount_1 := 3
for i := 0; i < followerCount_1; i++ {
distributedLoci_Follower, teardown_Follower := setupTestDistributedLoci(t,
FollowerRule,
fmt.Sprintf("distributed-locus-follower-1-%d", i),
nil)
teardowns = append(teardowns, teardown_Follower)
err := distributedLoci_Leader_1.Join(distributedLoci_Follower.config.Distributed.StreamLayer.Addr().String(), distributedLoci_Follower.config.Distributed.Rule)
require.NoError(t, err)
}
distributedLoci_Leader_2, teardown_Leader_2 := setupTestDistributedLoci(t,
LeaderRule,
"distributed-locus-leader-2",
&ring.Config{MemberType: ring.ShardMember, SeedAddresses: []string{distributedLoci_Leader_1.ring.BindAddr}}) // Will be part of the distributedLoci_Leader_1's ring.
defer teardown_Leader_2()
followerCount_2 := 4
for i := 0; i < followerCount_2; i++ {
distributedLoci_Follower, teardown_Follower := setupTestDistributedLoci(t,
FollowerRule,
fmt.Sprintf("distributed-locus-follower-2-%d", i),
nil)
teardowns = append(teardowns, teardown_Follower)
err := distributedLoci_Leader_2.Join(distributedLoci_Follower.config.Distributed.StreamLayer.Addr().String(), distributedLoci_Follower.config.Distributed.Rule)
require.NoError(t, err)
}
_, teardown_loadBalancer_1 := setupTestDistributedLoci(t,
LeaderRule,
"loadbalancer-locus-1",
&ring.Config{MemberType: ring.LoadBalancerMember, SeedAddresses: []string{distributedLoci_Leader_1.ring.BindAddr, distributedLoci_Leader_2.ring.BindAddr}}) // Will be part of the distributedLoci_Leader_1's ring.
defer teardown_loadBalancer_1()
objectKey := "example-key"
responsibleServerTags, found := distributedLoci_Leader_1.ring.GetNode(objectKey)
require.Equal(t, true, found)
responsibleServer, ok := responsibleServerTags[rpcAddressRingTag]
require.True(t, ok)
leader_1_RPCAddr := distributedLoci_Leader_1.config.Distributed.RPCAddress
leader_2_RPCAddr := distributedLoci_Leader_2.config.Distributed.RPCAddress
if responsibleServer == leader_1_RPCAddr {
// If the leader 1 is responsible for objectKey, then request leader 2 to get its loadbalancers.
servers, err := distributedLoci_Leader_2.GetServers(nil)
require.NoError(t, err)
require.Equal(t, 1, len(servers))
} else if responsibleServer == leader_2_RPCAddr {
// If the leader 2 is responsible for objectKey, then request leader 1 to get its loadbalancers.
servers, err := distributedLoci_Leader_1.GetServers(nil)
require.NoError(t, err)
require.Equal(t, 1, len(servers))
} else {
t.Fatalf("the responsible server for the object key: %s is not correct!", objectKey)
}
}
func setupTestDistributedLoci(t *testing.T,
rule ParticipationRule,
localId string,
ringConfig *ring.Config,
) (*DistributedLoci, func()) {
t.Helper()
dataDir, err := ioutil.TempDir("", "distributed-locus-test")
require.NoError(t, err)
ports := dynaport.Get(2)
rpcAddr := fmt.Sprintf("localhost:%d", ports[0])
listener, err := net.Listen("tcp", rpcAddr)
require.NoError(t, err)
c := Config{}
c.Distributed.StreamLayer = &LocusStreamLayer{
listener,
nil,
nil,
}
c.Distributed.RPCAddress = listener.Addr().String()
c.Distributed.LocalID = localId
c.Distributed.MaxChunkSize = 256
c.Distributed.Rule = rule
pointcronConfig := pointcron.Config{}
pointcronConfig.CloseTimeout = 3 * time.Second
pointcronConfig.TickTime = time.Second
c.Point.pointScheduler = pointcron.NewPointScheduler(pointcronConfig)
c.Point.pointScheduler.StartAsync()
if ringConfig != nil {
nodeName := ringConfig.NodeName
if nodeName == "" {
nodeName = fmt.Sprintf("ring-%s", localId)
}
bindAddr := ringConfig.BindAddr
if bindAddr == "" {
bindAddr = fmt.Sprintf("localhost:%d", ports[1])
}
tags := map[string]string{
rpcAddressRingTag: listener.Addr().String(),
}
virtualNodeCount := ringConfig.VirtualNodeCount
if virtualNodeCount == 0 {
virtualNodeCount = 3
}
seedAddresses := ringConfig.SeedAddresses
if seedAddresses == nil {
seedAddresses = []string{}
}
ringInstance, err := ring.NewRing(ring.Config{
NodeName: nodeName,
BindAddr: bindAddr,
Tags: tags,
VirtualNodeCount: virtualNodeCount,
SeedAddresses: seedAddresses,
MemberType: ringConfig.MemberType,
Timeout: time.Second,
})
require.NoError(t, err)
c.Distributed.Ring = ringInstance
}
distributedLoci, err := NewDistributedLoci(dataDir, c)
require.NoError(t, err)
return distributedLoci, func() {
defer os.RemoveAll(dataDir)
err := distributedLoci.Shutdown()
require.NoError(t, err)
}
}