forked from dolthub/vitess
/
callerid.go
200 lines (171 loc) · 9.35 KB
/
callerid.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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
// Copyright 2015 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package services
import (
"encoding/json"
"fmt"
"reflect"
"strings"
"golang.org/x/net/context"
"github.com/youtube/vitess/go/sqltypes"
"github.com/youtube/vitess/go/vt/callerid"
"github.com/youtube/vitess/go/vt/vtgate/vtgateservice"
querypb "github.com/youtube/vitess/go/vt/proto/query"
topodatapb "github.com/youtube/vitess/go/vt/proto/topodata"
vtgatepb "github.com/youtube/vitess/go/vt/proto/vtgate"
vtrpcpb "github.com/youtube/vitess/go/vt/proto/vtrpc"
)
// CallerIDPrefix is the prefix to send with queries so they go
// through this test suite.
const CallerIDPrefix = "callerid://"
// callerIDClient implements vtgateservice.VTGateService, and checks
// the received callerid matches the one passed out of band by the client.
type callerIDClient struct {
fallbackClient
}
func newCallerIDClient(fallback vtgateservice.VTGateService) *callerIDClient {
return &callerIDClient{
fallbackClient: newFallbackClient(fallback),
}
}
// checkCallerID will see if this module is handling the request, and
// if it is, check the callerID from the context. Returns false if
// the query is not for this module. Returns true and the error to
// return with the call if this module is handling the request.
func (c *callerIDClient) checkCallerID(ctx context.Context, received string) (bool, error) {
if !strings.HasPrefix(received, CallerIDPrefix) {
return false, nil
}
jsonCallerID := []byte(received[len(CallerIDPrefix):])
expectedCallerID := &vtrpcpb.CallerID{}
if err := json.Unmarshal(jsonCallerID, expectedCallerID); err != nil {
return true, fmt.Errorf("cannot unmarshal provided callerid: %v", err)
}
receivedCallerID := callerid.EffectiveCallerIDFromContext(ctx)
if receivedCallerID == nil {
return true, fmt.Errorf("no callerid received in the query")
}
if !reflect.DeepEqual(receivedCallerID, expectedCallerID) {
return true, fmt.Errorf("callerid mismatch, got %v expected %v", receivedCallerID, expectedCallerID)
}
return true, fmt.Errorf("SUCCESS: callerid matches")
}
func (c *callerIDClient) Execute(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*vtgatepb.Session, *sqltypes.Result, error) {
if ok, err := c.checkCallerID(ctx, sql); ok {
return session, nil, err
}
return c.fallbackClient.Execute(ctx, sql, bindVariables, keyspace, tabletType, session, notInTransaction, options)
}
func (c *callerIDClient) ExecuteShards(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, shards []string, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error) {
if ok, err := c.checkCallerID(ctx, sql); ok {
return nil, err
}
return c.fallbackClient.ExecuteShards(ctx, sql, bindVariables, keyspace, shards, tabletType, session, notInTransaction, options)
}
func (c *callerIDClient) ExecuteKeyspaceIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyspaceIds [][]byte, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error) {
if ok, err := c.checkCallerID(ctx, sql); ok {
return nil, err
}
return c.fallbackClient.ExecuteKeyspaceIds(ctx, sql, bindVariables, keyspace, keyspaceIds, tabletType, session, notInTransaction, options)
}
func (c *callerIDClient) ExecuteKeyRanges(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyRanges []*topodatapb.KeyRange, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error) {
if ok, err := c.checkCallerID(ctx, sql); ok {
return nil, err
}
return c.fallbackClient.ExecuteKeyRanges(ctx, sql, bindVariables, keyspace, keyRanges, tabletType, session, notInTransaction, options)
}
func (c *callerIDClient) ExecuteEntityIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, entityColumnName string, entityKeyspaceIDs []*vtgatepb.ExecuteEntityIdsRequest_EntityId, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, options *querypb.ExecuteOptions) (*sqltypes.Result, error) {
if ok, err := c.checkCallerID(ctx, sql); ok {
return nil, err
}
return c.fallbackClient.ExecuteEntityIds(ctx, sql, bindVariables, keyspace, entityColumnName, entityKeyspaceIDs, tabletType, session, notInTransaction, options)
}
func (c *callerIDClient) ExecuteBatch(ctx context.Context, sqlList []string, bindVariablesList []map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, session *vtgatepb.Session, options *querypb.ExecuteOptions) (*vtgatepb.Session, []sqltypes.QueryResponse, error) {
if len(sqlList) == 1 {
if ok, err := c.checkCallerID(ctx, sqlList[0]); ok {
return session, nil, err
}
}
return c.fallbackClient.ExecuteBatch(ctx, sqlList, bindVariablesList, keyspace, tabletType, session, options)
}
func (c *callerIDClient) ExecuteBatchShards(ctx context.Context, queries []*vtgatepb.BoundShardQuery, tabletType topodatapb.TabletType, asTransaction bool, session *vtgatepb.Session, options *querypb.ExecuteOptions) ([]sqltypes.Result, error) {
if len(queries) == 1 {
if ok, err := c.checkCallerID(ctx, queries[0].Query.Sql); ok {
return nil, err
}
}
return c.fallbackClient.ExecuteBatchShards(ctx, queries, tabletType, asTransaction, session, options)
}
func (c *callerIDClient) ExecuteBatchKeyspaceIds(ctx context.Context, queries []*vtgatepb.BoundKeyspaceIdQuery, tabletType topodatapb.TabletType, asTransaction bool, session *vtgatepb.Session, options *querypb.ExecuteOptions) ([]sqltypes.Result, error) {
if len(queries) == 1 {
if ok, err := c.checkCallerID(ctx, queries[0].Query.Sql); ok {
return nil, err
}
}
return c.fallbackClient.ExecuteBatchKeyspaceIds(ctx, queries, tabletType, asTransaction, session, options)
}
func (c *callerIDClient) StreamExecute(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error {
if ok, err := c.checkCallerID(ctx, sql); ok {
return err
}
return c.fallbackClient.StreamExecute(ctx, sql, bindVariables, keyspace, tabletType, options, callback)
}
func (c *callerIDClient) StreamExecuteShards(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, shards []string, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error {
if ok, err := c.checkCallerID(ctx, sql); ok {
return err
}
return c.fallbackClient.StreamExecuteShards(ctx, sql, bindVariables, keyspace, shards, tabletType, options, callback)
}
func (c *callerIDClient) StreamExecuteKeyspaceIds(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyspaceIds [][]byte, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error {
if ok, err := c.checkCallerID(ctx, sql); ok {
return err
}
return c.fallbackClient.StreamExecuteKeyspaceIds(ctx, sql, bindVariables, keyspace, keyspaceIds, tabletType, options, callback)
}
func (c *callerIDClient) StreamExecuteKeyRanges(ctx context.Context, sql string, bindVariables map[string]interface{}, keyspace string, keyRanges []*topodatapb.KeyRange, tabletType topodatapb.TabletType, options *querypb.ExecuteOptions, callback func(*sqltypes.Result) error) error {
if ok, err := c.checkCallerID(ctx, sql); ok {
return err
}
return c.fallbackClient.StreamExecuteKeyRanges(ctx, sql, bindVariables, keyspace, keyRanges, tabletType, options, callback)
}
func (c *callerIDClient) MessageStream(ctx context.Context, keyspace string, shard string, keyRange *topodatapb.KeyRange, name string, callback func(*sqltypes.Result) error) error {
if ok, err := c.checkCallerID(ctx, name); ok {
return err
}
return c.fallback.MessageStream(ctx, keyspace, shard, keyRange, name, callback)
}
func (c *callerIDClient) MessageAck(ctx context.Context, keyspace string, name string, ids []*querypb.Value) (int64, error) {
if ok, err := c.checkCallerID(ctx, name); ok {
return 0, err
}
return c.fallback.MessageAck(ctx, keyspace, name, ids)
}
func (c *callerIDClient) SplitQuery(
ctx context.Context,
keyspace string,
sql string,
bindVariables map[string]interface{},
splitColumns []string,
splitCount int64,
numRowsPerQueryPart int64,
algorithm querypb.SplitQueryRequest_Algorithm) ([]*vtgatepb.SplitQueryResponse_Part, error) {
if ok, err := c.checkCallerID(ctx, sql); ok {
return nil, err
}
return c.fallbackClient.SplitQuery(
ctx,
sql,
keyspace,
bindVariables,
splitColumns,
splitCount,
numRowsPerQueryPart,
algorithm)
}
func (c *callerIDClient) UpdateStream(ctx context.Context, keyspace string, shard string, keyRange *topodatapb.KeyRange, tabletType topodatapb.TabletType, timestamp int64, event *querypb.EventToken, callback func(*querypb.StreamEvent, int64) error) error {
if ok, err := c.checkCallerID(ctx, shard); ok {
return err
}
return c.fallbackClient.UpdateStream(ctx, keyspace, shard, keyRange, tabletType, timestamp, event, callback)
}