162 lines
7.3 KiB
C++
162 lines
7.3 KiB
C++
/*
|
|
* ManagementAPI.h
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef FDBCLIENT_MANAGEMENTAPI_H
|
|
#define FDBCLIENT_MANAGEMENTAPI_H
|
|
#pragma once
|
|
|
|
/* This file defines "management" interfaces for configuration, coordination changes, and
|
|
the inclusion and exclusion of servers. It is used to implement fdbcli management commands
|
|
and by test workloads that simulate such. It isn't exposed to C clients or anywhere outside
|
|
our code base and doesn't need to be versioned. It doesn't do anything you can't do with the
|
|
standard API and some knowledge of the contents of the system key space.
|
|
*/
|
|
|
|
#include <string>
|
|
#include <map>
|
|
#include "NativeAPI.h"
|
|
#include "Status.h"
|
|
#include "ReadYourWrites.h"
|
|
|
|
// ConfigurationResult enumerates normal outcomes of changeConfig() and various error
|
|
// conditions specific to it. changeConfig may also throw an Error to report other problems.
|
|
class ConfigurationResult {
|
|
public:
|
|
enum Type {
|
|
NO_OPTIONS_PROVIDED,
|
|
CONFLICTING_OPTIONS,
|
|
UNKNOWN_OPTION,
|
|
INCOMPLETE_CONFIGURATION,
|
|
DATABASE_ALREADY_CREATED,
|
|
DATABASE_CREATED,
|
|
SUCCESS
|
|
};
|
|
};
|
|
|
|
class CoordinatorsResult {
|
|
public:
|
|
enum Type {
|
|
INVALID_NETWORK_ADDRESSES,
|
|
SAME_NETWORK_ADDRESSES,
|
|
NOT_COORDINATORS, //FIXME: not detected
|
|
DATABASE_UNREACHABLE, //FIXME: not detected
|
|
BAD_DATABASE_STATE,
|
|
COORDINATOR_UNREACHABLE,
|
|
NOT_ENOUGH_MACHINES,
|
|
SUCCESS
|
|
};
|
|
};
|
|
|
|
struct ConfigureAutoResult {
|
|
std::map<NetworkAddress, ProcessClass> address_class;
|
|
int32_t processes;
|
|
int32_t machines;
|
|
|
|
std::string old_replication;
|
|
int32_t old_proxies;
|
|
int32_t old_resolvers;
|
|
int32_t old_logs;
|
|
int32_t old_processes_with_transaction;
|
|
int32_t old_machines_with_transaction;
|
|
|
|
std::string auto_replication;
|
|
int32_t auto_proxies;
|
|
int32_t auto_resolvers;
|
|
int32_t auto_logs;
|
|
int32_t auto_processes_with_transaction;
|
|
int32_t auto_machines_with_transaction;
|
|
|
|
int32_t desired_proxies;
|
|
int32_t desired_resolvers;
|
|
int32_t desired_logs;
|
|
|
|
ConfigureAutoResult() : processes(-1), machines(-1),
|
|
old_proxies(-1), old_resolvers(-1), old_logs(-1), old_processes_with_transaction(-1), old_machines_with_transaction(-1),
|
|
auto_proxies(-1), auto_resolvers(-1), auto_logs(-1), auto_processes_with_transaction(-1), auto_machines_with_transaction(-1),
|
|
desired_proxies(-1), desired_resolvers(-1), desired_logs(-1) {}
|
|
|
|
bool isValid() const { return processes != -1; }
|
|
};
|
|
|
|
ConfigurationResult::Type buildConfiguration( std::vector<StringRef> const& modeTokens, std::map<std::string, std::string>& outConf ); // Accepts a vector of configuration tokens
|
|
ConfigurationResult::Type buildConfiguration( std::string const& modeString, std::map<std::string, std::string>& outConf ); // Accepts tokens separated by spaces in a single string
|
|
|
|
bool isCompleteConfiguration( std::map<std::string, std::string> const& options );
|
|
|
|
// All versions of changeConfig apply the given set of configuration tokens to the database, and return a ConfigurationResult (or error).
|
|
Future<ConfigurationResult::Type> changeConfig( Database const& cx, std::string const& configMode ); // Accepts tokens separated by spaces in a single string
|
|
|
|
ConfigureAutoResult parseConfig( StatusObject const& status );
|
|
Future<ConfigurationResult::Type> changeConfig( Database const& cx, std::vector<StringRef> const& modes, Optional<ConfigureAutoResult> const& conf ); // Accepts a vector of configuration tokens
|
|
Future<ConfigurationResult::Type> changeConfig( Database const& cx, std::map<std::string, std::string> const& m ); // Accepts a full configuration in key/value format (from buildConfiguration)
|
|
|
|
struct IQuorumChange : ReferenceCounted<IQuorumChange> {
|
|
virtual ~IQuorumChange() {}
|
|
virtual Future<vector<NetworkAddress>> getDesiredCoordinators( Transaction* tr, vector<NetworkAddress> oldCoordinators, Reference<ClusterConnectionFile>, CoordinatorsResult::Type& ) = 0;
|
|
virtual std::string getDesiredClusterKeyName() { return std::string(); }
|
|
};
|
|
|
|
// Change to use the given set of coordination servers
|
|
Future<CoordinatorsResult::Type> changeQuorum( Database const& cx, Reference<IQuorumChange> const& change );
|
|
Reference<IQuorumChange> autoQuorumChange(int desired = -1);
|
|
Reference<IQuorumChange> noQuorumChange();
|
|
Reference<IQuorumChange> specifiedQuorumChange(vector<NetworkAddress> const&);
|
|
Reference<IQuorumChange> nameQuorumChange(std::string const& name, Reference<IQuorumChange> const& other);
|
|
|
|
// Exclude the given set of servers from use as state servers. Returns as soon as the change is durable, without necessarily waiting for
|
|
// the servers to be evacuated. A NetworkAddress with a port of 0 means all servers on the given IP.
|
|
Future<Void> excludeServers( Database const& cx, vector<AddressExclusion> const& servers );
|
|
|
|
// Remove the given servers from the exclusion list. A NetworkAddress with a port of 0 means all servers on the given IP. A NetworkAddress() means
|
|
// all servers (don't exclude anything)
|
|
Future<Void> includeServers( Database const& cx, vector<AddressExclusion> const& servers );
|
|
|
|
// Set the process class of processes with the given address. A NetworkAddress with a port of 0 means all servers on the given IP.
|
|
Future<Void> setClass( Database const& cx, AddressExclusion const& server, ProcessClass const& processClass );
|
|
|
|
// Get the current list of excluded servers
|
|
Future<vector<AddressExclusion>> getExcludedServers( Database const& cx );
|
|
|
|
// Wait for the given, previously excluded servers to be evacuated (no longer used for state). Once this returns it is safe to shut down all such
|
|
// machines without impacting fault tolerance, until and unless any of them are explicitly included with includeServers()
|
|
Future<Void> waitForExcludedServers( Database const& cx, vector<AddressExclusion> const& servers );
|
|
|
|
// Gets a list of all workers in the cluster (excluding testers)
|
|
Future<vector<ProcessData>> getWorkers( Database const& cx );
|
|
Future<vector<ProcessData>> getWorkers( Transaction* const& tr );
|
|
|
|
Future<Void> timeKeeperSetDisable(Database const& cx);
|
|
|
|
Future<Void> lockDatabase( Transaction* const& tr, UID const& id );
|
|
Future<Void> lockDatabase( Reference<ReadYourWritesTransaction> const& tr, UID const& id );
|
|
Future<Void> lockDatabase( Database const& cx, UID const& id );
|
|
|
|
Future<Void> unlockDatabase( Transaction* const& tr, UID const& id );
|
|
Future<Void> unlockDatabase( Reference<ReadYourWritesTransaction> const& tr, UID const& id );
|
|
Future<Void> unlockDatabase( Database const& cx, UID const& id );
|
|
|
|
Future<Void> checkDatabaseLock( Transaction* const& tr, UID const& id );
|
|
Future<Void> checkDatabaseLock( Reference<ReadYourWritesTransaction> const& tr, UID const& id );
|
|
|
|
Future<int> setDDMode( Database const& cx, int const& mode );
|
|
|
|
// Gets the cluster connection string
|
|
Future<std::vector<NetworkAddress>> getCoordinators( Database const& cx );
|
|
#endif |