-
Notifications
You must be signed in to change notification settings - Fork 5.7k
/
precheck.go
168 lines (157 loc) · 5.53 KB
/
precheck.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
// Copyright 2023 PingCAP, Inc.
//
// Licensed 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 importer
import (
"context"
"github.com/pingcap/errors"
ropts "github.com/pingcap/tidb/lightning/pkg/importer/opts"
"github.com/pingcap/tidb/lightning/pkg/precheck"
"github.com/pingcap/tidb/pkg/lightning/checkpoints"
"github.com/pingcap/tidb/pkg/lightning/config"
"github.com/pingcap/tidb/pkg/lightning/mydump"
pdhttp "github.com/tikv/pd/client/http"
)
type precheckContextKey string
const taskManagerKey precheckContextKey = "PRECHECK/TASK_MANAGER"
// WithPrecheckKey returns a new context with the given key and value.
func WithPrecheckKey(ctx context.Context, key precheckContextKey, val any) context.Context {
return context.WithValue(ctx, key, val)
}
// PrecheckItemBuilder is used to build precheck items
type PrecheckItemBuilder struct {
cfg *config.Config
dbMetas []*mydump.MDDatabaseMeta
preInfoGetter PreImportInfoGetter
checkpointsDB checkpoints.DB
pdAddrsGetter func(context.Context) []string
}
// NewPrecheckItemBuilderFromConfig creates a new PrecheckItemBuilder from config
// pdHTTPCli **must not** be nil for local backend
func NewPrecheckItemBuilderFromConfig(
ctx context.Context,
cfg *config.Config,
pdHTTPCli pdhttp.Client,
opts ...ropts.PrecheckItemBuilderOption,
) (*PrecheckItemBuilder, error) {
var gerr error
builderCfg := new(ropts.PrecheckItemBuilderConfig)
for _, o := range opts {
o(builderCfg)
}
targetDB, err := DBFromConfig(ctx, cfg.TiDB)
if err != nil {
return nil, errors.Trace(err)
}
targetInfoGetter, err := NewTargetInfoGetterImpl(cfg, targetDB, pdHTTPCli)
if err != nil {
return nil, errors.Trace(err)
}
mdl, err := mydump.NewLoader(ctx, mydump.NewLoaderCfg(cfg), builderCfg.MDLoaderSetupOptions...)
if err != nil {
if mdl == nil {
return nil, errors.Trace(err)
}
// here means the partial result is returned, so we can continue on processing
gerr = err
}
dbMetas := mdl.GetDatabases()
srcStorage := mdl.GetStore()
preInfoGetter, err := NewPreImportInfoGetter(
cfg,
dbMetas,
srcStorage,
targetInfoGetter,
nil, // ioWorkers
nil, // encBuilder
builderCfg.PreInfoGetterOptions...,
)
if err != nil {
return nil, errors.Trace(err)
}
cpdb, err := checkpoints.OpenCheckpointsDB(ctx, cfg)
if err != nil {
return nil, errors.Trace(err)
}
return NewPrecheckItemBuilder(cfg, dbMetas, preInfoGetter, cpdb, pdHTTPCli), gerr
}
// NewPrecheckItemBuilder creates a new PrecheckItemBuilder
func NewPrecheckItemBuilder(
cfg *config.Config,
dbMetas []*mydump.MDDatabaseMeta,
preInfoGetter PreImportInfoGetter,
checkpointsDB checkpoints.DB,
pdHTTPCli pdhttp.Client,
) *PrecheckItemBuilder {
pdAddrsGetter := func(context.Context) []string {
return []string{cfg.TiDB.PdAddr}
}
// in tests we may not have a pdCli
if pdHTTPCli != nil {
pdAddrsGetter = func(ctx context.Context) []string {
leaderInfo, err := pdHTTPCli.GetLeader(ctx)
if err != nil {
return []string{cfg.TiDB.PdAddr}
}
addrs := leaderInfo.GetClientUrls()
if len(addrs) == 0 {
return []string{cfg.TiDB.PdAddr}
}
return addrs
}
}
return &PrecheckItemBuilder{
cfg: cfg,
dbMetas: dbMetas,
preInfoGetter: preInfoGetter,
checkpointsDB: checkpointsDB,
pdAddrsGetter: pdAddrsGetter,
}
}
// BuildPrecheckItem builds a Checker by the given checkID
func (b *PrecheckItemBuilder) BuildPrecheckItem(checkID precheck.CheckItemID) (precheck.Checker, error) {
switch checkID {
case precheck.CheckLargeDataFile:
return NewLargeFileCheckItem(b.cfg, b.dbMetas), nil
case precheck.CheckSourcePermission:
return NewStoragePermissionCheckItem(b.cfg), nil
case precheck.CheckTargetTableEmpty:
return NewTableEmptyCheckItem(b.cfg, b.preInfoGetter, b.dbMetas, b.checkpointsDB), nil
case precheck.CheckSourceSchemaValid:
return NewSchemaCheckItem(b.cfg, b.preInfoGetter, b.dbMetas, b.checkpointsDB), nil
case precheck.CheckCheckpoints:
return NewCheckpointCheckItem(b.cfg, b.preInfoGetter, b.dbMetas, b.checkpointsDB), nil
case precheck.CheckCSVHeader:
return NewCSVHeaderCheckItem(b.cfg, b.preInfoGetter, b.dbMetas), nil
case precheck.CheckTargetClusterSize:
return NewClusterResourceCheckItem(b.preInfoGetter), nil
case precheck.CheckTargetClusterEmptyRegion:
return NewEmptyRegionCheckItem(b.preInfoGetter, b.dbMetas), nil
case precheck.CheckTargetClusterRegionDist:
return NewRegionDistributionCheckItem(b.preInfoGetter, b.dbMetas), nil
case precheck.CheckTargetClusterVersion:
return NewClusterVersionCheckItem(b.preInfoGetter, b.dbMetas), nil
case precheck.CheckLocalDiskPlacement:
return NewLocalDiskPlacementCheckItem(b.cfg), nil
case precheck.CheckLocalTempKVDir:
return NewLocalTempKVDirCheckItem(b.cfg, b.preInfoGetter, b.dbMetas), nil
case precheck.CheckTargetUsingCDCPITR:
return NewCDCPITRCheckItem(b.cfg, b.pdAddrsGetter), nil
default:
return nil, errors.Errorf("unsupported check item: %v", checkID)
}
}
// GetPreInfoGetter gets the pre restore info getter from the builder.
func (b *PrecheckItemBuilder) GetPreInfoGetter() PreImportInfoGetter {
return b.preInfoGetter
}