/
group.go
102 lines (91 loc) · 3.09 KB
/
group.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 schema
import (
"context"
"path"
"github.com/pkg/errors"
clientv3 "go.etcd.io/etcd/client/v3"
"google.golang.org/protobuf/types/known/timestamppb"
commonv1 "github.com/apache/skywalking-banyandb/api/proto/banyandb/common/v1"
)
var groupsKeyPrefix = "/groups/"
func (e *etcdSchemaRegistry) GetGroup(ctx context.Context, group string) (*commonv1.Group, error) {
var entity commonv1.Group
err := e.get(ctx, formatGroupKey(group), &entity)
if err != nil {
return nil, errors.WithMessagef(err, "GetGroup[%s]", group)
}
return &entity, nil
}
func (e *etcdSchemaRegistry) ListGroup(ctx context.Context) ([]*commonv1.Group, error) {
messages, err := e.listWithPrefix(ctx, groupsKeyPrefix, KindGroup)
if err != nil {
return nil, err
}
entities := make([]*commonv1.Group, 0, len(messages))
for _, message := range messages {
entities = append(entities, message.(*commonv1.Group))
}
return entities, nil
}
func (e *etcdSchemaRegistry) DeleteGroup(ctx context.Context, group string) (bool, error) {
_, err := e.GetGroup(ctx, group)
if err != nil {
return false, errors.Wrap(err, group)
}
keysToDelete := allKeys()
deleteOPs := make([]clientv3.Op, 0, len(keysToDelete)+1)
for _, key := range keysToDelete {
deleteOPs = append(deleteOPs, clientv3.OpDelete(e.prependNamespace(listPrefixesForEntity(group, key)), clientv3.WithPrefix()))
}
deleteOPs = append(deleteOPs, clientv3.OpDelete(e.prependNamespace(formatGroupKey(group)), clientv3.WithPrefix()))
txnResponse, err := e.client.Txn(ctx).Then(deleteOPs...).Commit()
if err != nil {
return false, err
}
if !txnResponse.Succeeded {
return false, errConcurrentModification
}
return true, nil
}
func (e *etcdSchemaRegistry) CreateGroup(ctx context.Context, group *commonv1.Group) error {
if group.UpdatedAt != nil {
group.UpdatedAt = timestamppb.Now()
}
_, err := e.create(ctx, Metadata{
TypeMeta: TypeMeta{
Kind: KindGroup,
Name: group.GetMetadata().GetName(),
},
Spec: group,
})
return err
}
func (e *etcdSchemaRegistry) UpdateGroup(ctx context.Context, group *commonv1.Group) error {
_, err := e.update(ctx, Metadata{
TypeMeta: TypeMeta{
Kind: KindGroup,
Name: group.GetMetadata().GetName(),
},
Spec: group,
})
return err
}
func formatGroupKey(group string) string {
return path.Join(groupsKeyPrefix, group)
}