File size: 4,341 Bytes
b110593
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
//                           _       _
// __      _____  __ ___   ___  __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
//  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
//   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
//  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
//  CONTACT: [email protected]
//

package replication

import (
	"context"
	"fmt"
	"testing"
	"time"

	"github.com/go-openapi/strfmt"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"github.com/weaviate/weaviate/entities/models"
	"github.com/weaviate/weaviate/entities/schema/crossref"
	"github.com/weaviate/weaviate/test/docker"
	"github.com/weaviate/weaviate/test/helper"
	"github.com/weaviate/weaviate/test/helper/sample-schema/articles"
	"github.com/weaviate/weaviate/usecases/replica"
)

func multiShardScaleOut(t *testing.T) {
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
	defer cancel()

	compose, err := docker.New().
		WithWeaviateCluster().
		WithText2VecContextionary().
		Start(ctx)
	require.Nil(t, err)
	defer func() {
		if err := compose.Terminate(ctx); err != nil {
			t.Fatalf("failed to terminate test containers: %s", err.Error())
		}
	}()

	helper.SetupClient(compose.GetWeaviate().URI())
	paragraphClass := articles.ParagraphsClass()
	paragraphClass.ShardingConfig = map[string]interface{}{
		"desiredCount": 1,
	}
	articleClass := articles.ArticlesClass()
	articleClass.ShardingConfig = map[string]interface{}{
		"desiredCount": 1,
	}

	t.Run("create schema", func(t *testing.T) {
		helper.CreateClass(t, paragraphClass)
		helper.CreateClass(t, articleClass)
	})

	t.Run("insert paragraphs", func(t *testing.T) {
		batch := make([]*models.Object, len(paragraphIDs))
		for i, id := range paragraphIDs {
			batch[i] = articles.NewParagraph().
				WithID(id).
				WithContents(fmt.Sprintf("paragraph#%d", i)).
				Object()
		}
		createObjects(t, compose.GetWeaviate().URI(), batch)
	})

	t.Run("insert articles", func(t *testing.T) {
		batch := make([]*models.Object, len(articleIDs))
		for i, id := range articleIDs {
			batch[i] = articles.NewArticle().
				WithID(id).
				WithTitle(fmt.Sprintf("Article#%d", i)).
				Object()
		}
		createObjects(t, compose.GetWeaviateNode2().URI(), batch)
	})

	t.Run("add references", func(t *testing.T) {
		refs := make([]*models.BatchReference, len(articleIDs))
		for i := range articleIDs {
			refs[i] = &models.BatchReference{
				From: strfmt.URI(crossref.NewSource("Article", "hasParagraphs", articleIDs[i]).String()),
				To:   strfmt.URI(crossref.NewLocalhost("Paragraph", paragraphIDs[i]).String()),
			}
		}
		addReferences(t, compose.GetWeaviate().URI(), refs)
	})

	t.Run("scale out paragraphs", func(t *testing.T) {
		c := getClass(t, compose.GetWeaviate().URI(), paragraphClass.Class)
		c.ReplicationConfig.Factor = 2
		updateClass(t, compose.GetWeaviate().URI(), c)
	})

	t.Run("assert paragraphs were scaled out", func(t *testing.T) {
		n := getNodes(t, compose.GetWeaviate().URI())
		var shardsFound int
		for _, node := range n.Nodes {
			for _, shard := range node.Shards {
				if shard.Class == paragraphClass.Class {
					assert.EqualValues(t, 10, shard.ObjectCount)
					shardsFound++
				}
			}
		}
		assert.Equal(t, 2, shardsFound)
	})

	t.Run("scale out articles", func(t *testing.T) {
		c := getClass(t, compose.GetWeaviate().URI(), articleClass.Class)
		c.ReplicationConfig.Factor = 2
		updateClass(t, compose.GetWeaviate().URI(), c)
	})

	t.Run("assert articles were scaled out", func(t *testing.T) {
		n := getNodes(t, compose.GetWeaviate().URI())
		var shardsFound int
		for _, node := range n.Nodes {
			for _, shard := range node.Shards {
				if shard.Class == articleClass.Class {
					assert.EqualValues(t, 10, shard.ObjectCount)
					shardsFound++
				}
			}
		}
		assert.Equal(t, 2, shardsFound)
	})

	t.Run("kill a node and check contents of remaining node", func(t *testing.T) {
		stopNode(ctx, t, compose, compose.GetWeaviateNode2().Name())
		p := gqlGet(t, compose.GetWeaviate().URI(), paragraphClass.Class, replica.One)
		assert.Len(t, p, 10)
		a := gqlGet(t, compose.GetWeaviate().URI(), articleClass.Class, replica.One)
		assert.Len(t, a, 10)
	})
}