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
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/s/type_shard_identity.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/bson/util/bson_extract.h"
#include "mongo/db/shard_id.h"
#include "mongo/util/assert_util.h"
namespace mongo {
const std::string ShardIdentityType::IdName("shardIdentity");
StatusWith<ShardIdentityType> ShardIdentityType::fromShardIdentityDocument(const BSONObj& source) {
if (!source.hasField("_id")) {
return {ErrorCodes::NoSuchKey,
str::stream() << "missing _id field for shardIdentity document"};
}
// Strip the id field since it's always the same and we don't store it
auto shardIdentityBSON = source.removeField("_id");
try {
ShardIdentityType shardIdentity =
ShardIdentity::parse(IDLParserContext("ShardIdentity"), shardIdentityBSON);
const auto& configsvrConnStr = shardIdentity.getConfigsvrConnectionString();
if (configsvrConnStr.type() != ConnectionString::ConnectionType::kReplicaSet) {
return Status(ErrorCodes::UnsupportedFormat,
str::stream()
<< "config server connection string can only be replica sets: "
<< configsvrConnStr.toString());
}
return shardIdentity;
} catch (const AssertionException& parseException) {
return parseException.toStatus();
}
}
Status ShardIdentityType::validate() const {
const auto& configsvrConnStr = getConfigsvrConnectionString();
if (configsvrConnStr.type() != ConnectionString::ConnectionType::kReplicaSet) {
return {ErrorCodes::UnsupportedFormat,
str::stream() << "config connection string can only be replica sets, got "
<< ConnectionString::typeToString(configsvrConnStr.type())};
}
if (getShardName() == ShardId::kConfigServerId &&
!serverGlobalParams.clusterRole.has(ClusterRole::ConfigServer)) {
return {
ErrorCodes::UnsupportedFormat,
str::stream()
<< "Invalid shard identity document: the shard name for a shard server cannot be \""
<< ShardId::kConfigServerId.toString() << "\""};
}
if (getShardName() != ShardId::kConfigServerId &&
serverGlobalParams.clusterRole.has(ClusterRole::ConfigServer)) {
return {ErrorCodes::UnsupportedFormat,
str::stream() << "Invalid shard identity document: the shard name for a config "
"server cannot be \""
<< getShardName() << "\""};
}
return Status::OK();
}
BSONObj ShardIdentityType::toShardIdentityDocument() const {
BSONObjBuilder builder;
builder.append("_id", ShardIdentityType::IdName);
builder.appendElements(ShardIdentity::toBSON());
return builder.obj();
}
std::string ShardIdentityType::toString() const {
return toBSON().toString();
}
BSONObj ShardIdentityType::createConfigServerUpdateObject(const std::string& newConnString) {
BSONObjBuilder builder;
BSONObjBuilder setConfigBuilder(builder.subobjStart("$set"));
setConfigBuilder.append(ShardIdentity::kConfigsvrConnectionStringFieldName, newConnString);
setConfigBuilder.doneFast();
return builder.obj();
}
} // namespace mongo
|
