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etcd.go
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etcd.go
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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
// Package stream implements helpers to load schemas for testing.
package stream
import (
"context"
"embed"
"path"
"google.golang.org/protobuf/encoding/protojson"
commonv1 "github.com/apache/skywalking-banyandb/api/proto/banyandb/common/v1"
databasev1 "github.com/apache/skywalking-banyandb/api/proto/banyandb/database/v1"
"github.com/apache/skywalking-banyandb/banyand/metadata/schema"
)
const indexRuleDir = "testdata/index_rules"
var (
//go:embed testdata/index_rules/*.json
indexRuleStore embed.FS
//go:embed testdata/index_rule_binding.json
indexRuleBindingJSON string
//go:embed testdata/stream.json
streamJSON string
//go:embed testdata/group.json
groupJSON string
)
// PreloadSchema loads schemas from files in the booting process.
func PreloadSchema(ctx context.Context, e schema.Registry) error {
g := &commonv1.Group{}
if err := protojson.Unmarshal([]byte(groupJSON), g); err != nil {
return err
}
if innerErr := e.CreateGroup(ctx, g); innerErr != nil {
return innerErr
}
s := &databasev1.Stream{}
if unmarshalErr := protojson.Unmarshal([]byte(streamJSON), s); unmarshalErr != nil {
return unmarshalErr
}
if _, innerErr := e.CreateStream(ctx, s); innerErr != nil {
return innerErr
}
indexRuleBinding := &databasev1.IndexRuleBinding{}
if unmarshalErr := protojson.Unmarshal([]byte(indexRuleBindingJSON), indexRuleBinding); unmarshalErr != nil {
return unmarshalErr
}
if innerErr := e.CreateIndexRuleBinding(ctx, indexRuleBinding); innerErr != nil {
return innerErr
}
entries, err := indexRuleStore.ReadDir(indexRuleDir)
if err != nil {
return err
}
for _, entry := range entries {
data, err := indexRuleStore.ReadFile(path.Join(indexRuleDir, entry.Name()))
if err != nil {
return err
}
var idxRule databasev1.IndexRule
err = protojson.Unmarshal(data, &idxRule)
if err != nil {
return err
}
if innerErr := e.CreateIndexRule(ctx, &idxRule); innerErr != nil {
return innerErr
}
}
return nil
}