117 lines
4.5 KiB
C++
117 lines
4.5 KiB
C++
|
/*
|
|||
|
* KillCommand.actor.cpp
|
|||
|
*
|
|||
|
* This source file is part of the FoundationDB open source project
|
|||
|
*
|
|||
|
* Copyright 2013-2021 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/FDBOptions.g.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 fdb_cli {
|
|||
|
|
|||
|
ACTOR Future<bool> killCommandActor(Reference<IDatabase> db,
|
|||
|
Reference<ITransaction> tr,
|
|||
|
std::vector<StringRef> tokens,
|
|||
|
std::map<Key, std::pair<Value, ClientLeaderRegInterface>>* address_interface) {
|
|||
|
state bool result = true;
|
|||
|
if (tokens.size() == 1) {
|
|||
|
// Hold the reference to the standalone's memory
|
|||
|
state ThreadFuture<RangeResult> kvsFuture =
|
|||
|
tr->getRange(KeyRangeRef(LiteralStringRef("\xff\xff/worker_interfaces/"),
|
|||
|
LiteralStringRef("\xff\xff/worker_interfaces0")),
|
|||
|
CLIENT_KNOBS->TOO_MANY);
|
|||
|
RangeResult kvs = wait(safeThreadFutureToFuture(kvsFuture));
|
|||
|
ASSERT(!kvs.more);
|
|||
|
auto connectLock = makeReference<FlowLock>(CLIENT_KNOBS->CLI_CONNECT_PARALLELISM);
|
|||
|
std::vector<Future<Void>> addInterfs;
|
|||
|
for (auto it : kvs) {
|
|||
|
addInterfs.push_back(addInterface(address_interface, connectLock, it));
|
|||
|
}
|
|||
|
wait(waitForAll(addInterfs));
|
|||
|
}
|
|||
|
if (tokens.size() == 1 || tokencmp(tokens[1], "list")) {
|
|||
|
if (address_interface->size() == 0) {
|
|||
|
printf("\nNo addresses can be killed.\n");
|
|||
|
} else if (address_interface->size() == 1) {
|
|||
|
printf("\nThe following address can be killed:\n");
|
|||
|
} else {
|
|||
|
printf("\nThe following %zu addresses can be killed:\n", address_interface->size());
|
|||
|
}
|
|||
|
for (auto it : *address_interface) {
|
|||
|
printf("%s\n", printable(it.first).c_str());
|
|||
|
}
|
|||
|
printf("\n");
|
|||
|
} else if (tokencmp(tokens[1], "all")) {
|
|||
|
state std::map<Key, std::pair<Value, ClientLeaderRegInterface>>::const_iterator it;
|
|||
|
for (it = address_interface->cbegin(); it != address_interface->cend(); it++) {
|
|||
|
int64_t killRequestSent = wait(safeThreadFutureToFuture(db->rebootWorker(it->first, false, 0)));
|
|||
|
if (!killRequestSent) {
|
|||
|
result = false;
|
|||
|
fprintf(stderr, "ERROR: failed to send request to kill process `%s'.\n", it->first.toString().c_str());
|
|||
|
}
|
|||
|
}
|
|||
|
if (address_interface->size() == 0) {
|
|||
|
result = false;
|
|||
|
fprintf(stderr,
|
|||
|
"ERROR: no processes to kill. You must run the `kill’ command before "
|
|||
|
"running `kill all’.\n");
|
|||
|
} else {
|
|||
|
printf("Attempted to kill %zu processes\n", address_interface->size());
|
|||
|
}
|
|||
|
} else {
|
|||
|
state int i;
|
|||
|
for (i = 1; i < tokens.size(); i++) {
|
|||
|
if (!address_interface->count(tokens[i])) {
|
|||
|
fprintf(stderr, "ERROR: process `%s' not recognized.\n", printable(tokens[i]).c_str());
|
|||
|
result = false;
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if (result) {
|
|||
|
for (i = 1; i < tokens.size(); i++) {
|
|||
|
int64_t killRequestSent = wait(safeThreadFutureToFuture(db->rebootWorker(tokens[i], false, 0)));
|
|||
|
if (!killRequestSent) {
|
|||
|
result = false;
|
|||
|
fprintf(
|
|||
|
stderr, "ERROR: failed to send request to kill process `%s'.\n", tokens[i].toString().c_str());
|
|||
|
}
|
|||
|
}
|
|||
|
printf("Attempted to kill %zu processes\n", tokens.size() - 1);
|
|||
|
}
|
|||
|
}
|
|||
|
return result;
|
|||
|
}
|
|||
|
|
|||
|
CommandFactory killFactory(
|
|||
|
"kill",
|
|||
|
CommandHelp(
|
|||
|
"kill all|list|<ADDRESS...>",
|
|||
|
"attempts to kill one or more processes in the cluster",
|
|||
|
"If no addresses are specified, populates the list of processes which can be killed. Processes cannot be "
|
|||
|
"killed before this list has been populated.\n\nIf `all' is specified, attempts to kill all known "
|
|||
|
"processes.\n\nIf `list' is specified, displays all known processes. This is only useful when the database is "
|
|||
|
"unresponsive.\n\nFor each IP:port pair in <ADDRESS ...>, attempt to kill the specified process."));
|
|||
|
} // namespace fdb_cli
|