98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
// Copyright 2022 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package extensionimpl
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import (
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"context"
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"github.com/pingcap/errors"
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"github.com/pingcap/tidb/pkg/domain"
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"github.com/pingcap/tidb/pkg/extension"
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"github.com/pingcap/tidb/pkg/kv"
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"github.com/pingcap/tidb/pkg/sessionctx"
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"github.com/pingcap/tidb/pkg/util/chunk"
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"github.com/pingcap/tidb/pkg/util/sqlexec"
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clientv3 "go.etcd.io/etcd/client/v3"
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)
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type bootstrapContext struct {
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context.Context
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sqlExecutor sqlexec.SQLExecutor
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etcdCli *clientv3.Client
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sessionPool extension.SessionPool
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}
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func (c *bootstrapContext) ExecuteSQL(ctx context.Context, sql string) (rows []chunk.Row, err error) {
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ctx = kv.WithInternalSourceType(ctx, kv.InternalTxnBootstrap)
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rs, err := c.sqlExecutor.ExecuteInternal(ctx, sql)
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if err != nil {
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return nil, err
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}
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if rs == nil {
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return nil, nil
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}
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defer func() {
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closeErr := rs.Close()
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if err == nil {
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err = closeErr
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}
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}()
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return sqlexec.DrainRecordSet(ctx, rs, 8)
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}
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func (c *bootstrapContext) EtcdClient() *clientv3.Client {
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return c.etcdCli
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}
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func (c *bootstrapContext) SessionPool() extension.SessionPool {
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return c.sessionPool
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}
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// Bootstrap bootstraps all extensions
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func Bootstrap(ctx context.Context, do *domain.Domain) error {
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extensions, err := extension.GetExtensions()
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if err != nil {
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return err
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}
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if extensions == nil {
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return nil
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}
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pool := do.SysSessionPool()
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r, err := pool.Get()
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if err != nil {
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return err
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}
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defer pool.Put(r)
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sctx, ok := r.(sessionctx.Context)
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if !ok {
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return errors.Errorf("type '%T' cannot be casted to 'sessionctx.Context'", sctx)
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}
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executor := sctx.GetSQLExecutor()
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return extensions.Bootstrap(&bootstrapContext{
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Context: ctx,
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sessionPool: pool,
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sqlExecutor: executor,
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etcdCli: do.GetEtcdClient(),
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})
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}
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