foundationdb/fdbserver/workloads/AtomicRestore.actor.cpp

113 lines
3.7 KiB
C++

/*
* AtomicRestore.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 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 "fdbrpc/simulator.h"
#include "fdbclient/BackupAgent.actor.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "fdbserver/workloads/BulkSetup.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
//A workload which test the correctness of backup and restore process
struct AtomicRestoreWorkload : TestWorkload {
double startAfter, restoreAfter;
Standalone<VectorRef<KeyRangeRef>> backupRanges;
AtomicRestoreWorkload(WorkloadContext const& wcx)
: TestWorkload(wcx) {
startAfter = getOption(options, LiteralStringRef("startAfter"), 10.0);
restoreAfter = getOption(options, LiteralStringRef("restoreAfter"), 20.0);
backupRanges.push_back_deep(backupRanges.arena(), normalKeys);
}
virtual std::string description() {
return "AtomicRestore";
}
virtual Future<Void> setup(Database const& cx) {
return Void();
}
virtual Future<Void> start(Database const& cx) {
if (clientId != 0)
return Void();
return _start(cx, this);
}
virtual Future<bool> check(Database const& cx) {
return true;
}
virtual void getMetrics(vector<PerfMetric>& m) {
}
ACTOR static Future<Void> _start(Database cx, AtomicRestoreWorkload* self) {
state FileBackupAgent backupAgent;
wait( delay(self->startAfter * deterministicRandom()->random01()) );
TraceEvent("AtomicRestore_Start");
state std::string backupContainer = "file://simfdb/backups/";
try {
wait(backupAgent.submitBackup(cx, StringRef(backupContainer), deterministicRandom()->randomInt(0, 100), BackupAgentBase::getDefaultTagName(), self->backupRanges, false));
}
catch (Error& e) {
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate)
throw;
}
TraceEvent("AtomicRestore_Wait");
wait(success( backupAgent.waitBackup(cx, BackupAgentBase::getDefaultTagName(), false) ));
TraceEvent("AtomicRestore_BackupStart");
wait( delay(self->restoreAfter * deterministicRandom()->random01()) );
TraceEvent("AtomicRestore_RestoreStart");
loop {
std::vector<Future<Version>> restores;
if (deterministicRandom()->random01() < 0.5) {
for (auto &range : self->backupRanges)
restores.push_back(backupAgent.atomicRestore(cx, BackupAgentBase::getDefaultTag(), range, StringRef(), StringRef()));
}
else {
restores.push_back(backupAgent.atomicRestore(cx, BackupAgentBase::getDefaultTag(), self->backupRanges, StringRef(), StringRef()));
}
try {
wait(waitForAll(restores));
break;
}
catch (Error& e) {
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate)
throw;
}
wait( delay(FLOW_KNOBS->PREVENT_FAST_SPIN_DELAY) );
}
// SOMEDAY: Remove after backup agents can exist quiescently
if (g_simulator.backupAgents == ISimulator::BackupToFile) {
g_simulator.backupAgents = ISimulator::NoBackupAgents;
}
TraceEvent("AtomicRestore_Done");
return Void();
}
};
WorkloadFactory<AtomicRestoreWorkload> AtomicRestoreWorkloadFactory("AtomicRestore");