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
|
/**
* 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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/commands.h"
#include "mongo/db/curop.h"
#include "mongo/db/s/drop_collection_coordinator.h"
#include "mongo/db/s/sharding_state.h"
#include "mongo/logv2/log.h"
#include "mongo/s/catalog/sharding_catalog_client.h"
#include "mongo/s/chunk_manager_targeter.h"
#include "mongo/s/grid.h"
#include "mongo/s/request_types/sharded_ddl_commands_gen.h"
namespace mongo {
namespace {
class ShardsvrDropCollectionCommand final : public TypedCommand<ShardsvrDropCollectionCommand> {
public:
using Request = ShardsvrDropCollection;
std::string help() const override {
return "Internal command, which is exported by the primary sharding server. Do not call "
"directly. Drops a collection.";
}
bool skipApiVersionCheck() const override {
// Internal command (server to server).
return true;
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return Command::AllowedOnSecondary::kNever;
}
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
void typedRun(OperationContext* opCtx) {
uassertStatusOK(ShardingState::get(opCtx)->canAcceptShardedCommands());
CommandHelpers::uassertCommandRunWithMajority(Request::kCommandName,
opCtx->getWriteConcern());
opCtx->setAlwaysInterruptAtStepDownOrUp();
try {
const auto coll = Grid::get(opCtx)->catalogClient()->getCollection(opCtx, ns());
uassert(ErrorCodes::NotImplemented,
"drop collection of a sharded time-series collection is not supported",
!coll.getTimeseriesFields());
} catch (ExceptionFor<ErrorCodes::NamespaceNotFound>&) {
// The collection is not sharded or doesn't exist.
}
// If 'ns()' is a sharded time-series view collection, 'targetNs' is a namespace
// for time-series buckets collection. For all other collections, 'targetNs' is equal
// to 'ns()'.
const auto targeter = ChunkManagerTargeter(opCtx, ns());
const auto targetNs = targeter.getNS();
// Since this operation is not directly writing locally we need to force its db
// profile level increase in order to be logged in "<db>.system.profile"
CurOp::get(opCtx)->raiseDbProfileLevel(
CollectionCatalog::get(opCtx)->getDatabaseProfileLevel(targetNs.db()));
auto coordinatorDoc = DropCollectionCoordinatorDocument();
coordinatorDoc.setShardingDDLCoordinatorMetadata(
{{targetNs, DDLCoordinatorTypeEnum::kDropCollection}});
coordinatorDoc.setCollectionUUID(request().getCollectionUUID());
auto service = ShardingDDLCoordinatorService::getService(opCtx);
auto dropCollCoordinator = checked_pointer_cast<DropCollectionCoordinator>(
service->getOrCreateInstance(opCtx, coordinatorDoc.toBSON()));
dropCollCoordinator->getCompletionFuture().get(opCtx);
}
private:
NamespaceString ns() const override {
return request().getNamespace();
}
bool supportsWriteConcern() const override {
return true;
}
void doCheckAuthorization(OperationContext* opCtx) const override {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(ResourcePattern::forClusterResource(),
ActionType::internal));
}
};
} sharsvrdDropCollectionCommand;
} // namespace
} // namespace mongo
|
