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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ 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)
})
}
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