foundationdb/fdbcli/SnapshotCommand.actor.cpp

65 lines
2.0 KiB
C++

/*
* SnapshotCommand.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
*
* 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.
*/
#include "fdbcli/fdbcli.actor.h"
#include "fdbclient/IClientApi.h"
#include "flow/Arena.h"
#include "flow/FastRef.h"
#include "flow/ThreadHelper.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
namespace fdb_cli {
ACTOR Future<bool> snapshotCommandActor(Reference<IDatabase> db, std::vector<StringRef> tokens) {
state bool result = true;
if (tokens.size() < 2) {
printUsage(tokens[0]);
result = false;
} else {
Standalone<StringRef> snap_cmd;
state Key uid(deterministicRandom()->randomUniqueID().toString());
for (int i = 1; i < tokens.size(); i++) {
snap_cmd = snap_cmd.withSuffix(tokens[i]);
if (i != tokens.size() - 1) {
snap_cmd = snap_cmd.withSuffix(LiteralStringRef(" "));
}
}
try {
wait(safeThreadFutureToFuture(db->createSnapshot(uid, snap_cmd)));
printf("Snapshot command succeeded with UID %s\n", uid.toString().c_str());
} catch (Error& e) {
fprintf(stderr,
"Snapshot command failed %d (%s)."
" Please cleanup any instance level snapshots created with UID %s.\n",
e.code(),
e.what(),
uid.toString().c_str());
result = false;
}
}
return result;
}
// hidden commands, no help text for now
CommandFactory snapshotFactory("snapshot");
} // namespace fdb_cli