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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 measure implements helpers to load schemas for testing.
package measure
import (
"context"
"embed"
"path"
"github.com/pkg/errors"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
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 (
groupDir = "testdata/groups"
measureDir = "testdata/measures"
indexRuleDir = "testdata/index_rules"
indexRuleBindingDir = "testdata/index_rule_bindings"
topNAggregationDir = "testdata/topn_aggregations"
)
//go:embed testdata/*
var store embed.FS
// PreloadSchema loads schemas from files in the booting process.
func PreloadSchema(ctx context.Context, e schema.Registry) error {
if err := loadSchema(groupDir, &commonv1.Group{}, func(group *commonv1.Group) error {
return e.CreateGroup(ctx, group)
}); err != nil {
return errors.WithStack(err)
}
if err := loadSchema(measureDir, &databasev1.Measure{}, func(measure *databasev1.Measure) error {
_, innerErr := e.CreateMeasure(ctx, measure)
return innerErr
}); err != nil {
return errors.WithStack(err)
}
if err := loadSchema(indexRuleDir, &databasev1.IndexRule{}, func(indexRule *databasev1.IndexRule) error {
return e.CreateIndexRule(ctx, indexRule)
}); err != nil {
return errors.WithStack(err)
}
if err := loadSchema(indexRuleBindingDir, &databasev1.IndexRuleBinding{}, func(indexRuleBinding *databasev1.IndexRuleBinding) error {
return e.CreateIndexRuleBinding(ctx, indexRuleBinding)
}); err != nil {
return errors.WithStack(err)
}
if err := loadSchema(topNAggregationDir, &databasev1.TopNAggregation{}, func(topN *databasev1.TopNAggregation) error {
return e.CreateTopNAggregation(ctx, topN)
}); err != nil {
return errors.WithStack(err)
}
return nil
}
func loadSchema[T proto.Message](dir string, resource T, loadFn func(resource T) error) error {
entries, err := store.ReadDir(dir)
if err != nil {
return err
}
for _, entry := range entries {
data, err := store.ReadFile(path.Join(dir, entry.Name()))
if err != nil {
return err
}
resource.ProtoReflect().Descriptor().RequiredNumbers()
if err := protojson.Unmarshal(data, resource); err != nil {
return err
}
if err := loadFn(resource); err != nil {
return err
}
}
return nil
}