173 lines
6.7 KiB
C++
173 lines
6.7 KiB
C++
/*
|
|
* DataDistributionCommand.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 "boost/lexical_cast.hpp"
|
|
|
|
#include "fdbcli/fdbcli.actor.h"
|
|
|
|
#include "fdbclient/FDBTypes.h"
|
|
#include "fdbclient/IClientApi.h"
|
|
#include "fdbclient/Knobs.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 {
|
|
|
|
ACTOR Future<Void> setDDMode(Reference<IDatabase> db, int mode) {
|
|
state Reference<ITransaction> tr = db->createTransaction();
|
|
loop {
|
|
tr->setOption(FDBTransactionOptions::SPECIAL_KEY_SPACE_ENABLE_WRITES);
|
|
try {
|
|
tr->set(fdb_cli::ddModeSpecialKey, boost::lexical_cast<std::string>(mode));
|
|
if (mode) {
|
|
// set DDMode to 1 will enable all disabled parts, for instance the SS failure monitors.
|
|
// hold the returned standalone object's memory
|
|
state ThreadFuture<RangeResult> resultFuture =
|
|
tr->getRange(fdb_cli::maintenanceSpecialKeyRange, CLIENT_KNOBS->TOO_MANY);
|
|
RangeResult res = wait(safeThreadFutureToFuture(resultFuture));
|
|
ASSERT(res.size() <= 1);
|
|
if (res.size() == 1 && res[0].key == fdb_cli::ignoreSSFailureSpecialKey) {
|
|
// only clear the key if it is currently being used to disable all SS failure data movement
|
|
tr->clear(fdb_cli::maintenanceSpecialKeyRange);
|
|
}
|
|
tr->clear(fdb_cli::ddIgnoreRebalanceSpecialKey);
|
|
}
|
|
wait(safeThreadFutureToFuture(tr->commit()));
|
|
return Void();
|
|
} catch (Error& e) {
|
|
TraceEvent("SetDDModeRetrying").error(e);
|
|
wait(safeThreadFutureToFuture(tr->onError(e)));
|
|
}
|
|
}
|
|
}
|
|
|
|
ACTOR Future<Void> setDDIgnoreRebalanceSwitch(Reference<IDatabase> db, uint8_t DDIgnoreOptionMask, bool setMaskedBit) {
|
|
state Reference<ITransaction> tr = db->createTransaction();
|
|
loop {
|
|
tr->setOption(FDBTransactionOptions::SPECIAL_KEY_SPACE_ENABLE_WRITES);
|
|
tr->setOption(FDBTransactionOptions::READ_SYSTEM_KEYS);
|
|
try {
|
|
state ThreadFuture<Optional<Value>> resultFuture = tr->get(rebalanceDDIgnoreKey);
|
|
Optional<Value> v = wait(safeThreadFutureToFuture(resultFuture));
|
|
uint8_t oldValue = DDIgnore::NONE; // nothing is disabled
|
|
if (v.present()) {
|
|
if (v.get().size() > 0) {
|
|
oldValue = BinaryReader::fromStringRef<uint8_t>(v.get(), Unversioned());
|
|
} else {
|
|
// In old version (<= 7.1), the value is an empty string, which means all DD rebalance functions are
|
|
// disabled
|
|
oldValue = DDIgnore::ALL;
|
|
}
|
|
// printf("oldValue: %d Mask: %d V:%d\n", oldValue, DDIgnoreOptionMask, v.get().size());
|
|
}
|
|
uint8_t newValue = setMaskedBit ? (oldValue | DDIgnoreOptionMask) : (oldValue & ~DDIgnoreOptionMask);
|
|
if (newValue > 0) {
|
|
tr->set(fdb_cli::ddIgnoreRebalanceSpecialKey, BinaryWriter::toValue(newValue, Unversioned()));
|
|
} else {
|
|
tr->clear(fdb_cli::ddIgnoreRebalanceSpecialKey);
|
|
}
|
|
wait(safeThreadFutureToFuture(tr->commit()));
|
|
return Void();
|
|
} catch (Error& e) {
|
|
wait(safeThreadFutureToFuture(tr->onError(e)));
|
|
}
|
|
}
|
|
}
|
|
|
|
// set masked bit
|
|
Future<Void> setDDIgnoreRebalanceOn(Reference<IDatabase> db, uint8_t DDIgnoreOptionMask) {
|
|
return setDDIgnoreRebalanceSwitch(db, DDIgnoreOptionMask, true);
|
|
}
|
|
|
|
// reset masked bit
|
|
Future<Void> setDDIgnoreRebalanceOff(Reference<IDatabase> db, uint8_t DDIgnoreOptionMask) {
|
|
return setDDIgnoreRebalanceSwitch(db, DDIgnoreOptionMask, false);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
namespace fdb_cli {
|
|
|
|
const KeyRef ddModeSpecialKey = LiteralStringRef("\xff\xff/management/data_distribution/mode");
|
|
const KeyRef ddIgnoreRebalanceSpecialKey = LiteralStringRef("\xff\xff/management/data_distribution/rebalance_ignored");
|
|
constexpr auto usage =
|
|
"Usage: datadistribution <on|off|disable <ssfailure|rebalance|rebalance_disk|rebalance_read>|enable "
|
|
"<ssfailure|rebalance|rebalance_disk|rebalance_read>>\n";
|
|
ACTOR Future<bool> dataDistributionCommandActor(Reference<IDatabase> db, std::vector<StringRef> tokens) {
|
|
state bool result = true;
|
|
if (tokens.size() != 2 && tokens.size() != 3) {
|
|
printf(usage);
|
|
result = false;
|
|
} else {
|
|
if (tokencmp(tokens[1], "on")) {
|
|
wait(success(setDDMode(db, 1)));
|
|
printf("Data distribution is turned on.\n");
|
|
} else if (tokencmp(tokens[1], "off")) {
|
|
wait(success(setDDMode(db, 0)));
|
|
printf("Data distribution is turned off.\n");
|
|
} else if (tokencmp(tokens[1], "disable")) {
|
|
if (tokencmp(tokens[2], "ssfailure")) {
|
|
wait(success((setHealthyZone(db, LiteralStringRef("IgnoreSSFailures"), 0))));
|
|
printf("Data distribution is disabled for storage server failures.\n");
|
|
} else if (tokencmp(tokens[2], "rebalance")) {
|
|
wait(setDDIgnoreRebalanceOn(db, DDIgnore::REBALANCE_DISK | DDIgnore::REBALANCE_READ));
|
|
printf("Data distribution is disabled for rebalance.\n");
|
|
} else if (tokencmp(tokens[2], "rebalance_disk")) {
|
|
wait(setDDIgnoreRebalanceOn(db, DDIgnore::REBALANCE_DISK));
|
|
printf("Data distribution is disabled for rebalance_disk.\n");
|
|
} else if (tokencmp(tokens[2], "rebalance_read")) {
|
|
wait(setDDIgnoreRebalanceOn(db, DDIgnore::REBALANCE_READ));
|
|
printf("Data distribution is disabled for rebalance_read.\n");
|
|
} else {
|
|
printf(usage);
|
|
result = false;
|
|
}
|
|
} else if (tokencmp(tokens[1], "enable")) {
|
|
if (tokencmp(tokens[2], "ssfailure")) {
|
|
wait(success((clearHealthyZone(db, false, true))));
|
|
printf("Data distribution is enabled for storage server failures.\n");
|
|
} else if (tokencmp(tokens[2], "rebalance")) {
|
|
wait(setDDIgnoreRebalanceOff(db, DDIgnore::REBALANCE_DISK | DDIgnore::REBALANCE_READ));
|
|
printf("Data distribution is enabled for rebalance.\n");
|
|
} else if (tokencmp(tokens[2], "rebalance_disk")) {
|
|
wait(setDDIgnoreRebalanceOff(db, DDIgnore::REBALANCE_DISK));
|
|
printf("Data distribution is enabled for rebalance_disk.\n");
|
|
} else if (tokencmp(tokens[2], "rebalance_read")) {
|
|
wait(setDDIgnoreRebalanceOff(db, DDIgnore::REBALANCE_READ));
|
|
printf("Data distribution is enabled for rebalance_read.\n");
|
|
} else {
|
|
printf(usage);
|
|
result = false;
|
|
}
|
|
} else {
|
|
printf(usage);
|
|
result = false;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// hidden commands, no help text for now
|
|
CommandFactory dataDistributionFactory("datadistribution");
|
|
} // namespace fdb_cli
|