icinga2/lib/remote/apilistener.hpp

201 lines
7.5 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef APILISTENER_H
#define APILISTENER_H
#include "remote/apilistener-ti.hpp"
#include "remote/jsonrpcconnection.hpp"
#include "remote/httpserverconnection.hpp"
#include "remote/endpoint.hpp"
#include "remote/messageorigin.hpp"
#include "base/configobject.hpp"
#include "base/timer.hpp"
#include "base/workqueue.hpp"
#include "base/tcpsocket.hpp"
#include "base/tlsstream.hpp"
#include "base/threadpool.hpp"
#include <set>
namespace icinga
{
class JsonRpcConnection;
/**
* @ingroup remote
*/
struct ConfigDirInformation
{
Dictionary::Ptr UpdateV1;
Dictionary::Ptr UpdateV2;
};
/**
* @ingroup remote
*/
class ApiListener final : public ObjectImpl<ApiListener>
{
public:
DECLARE_OBJECT(ApiListener);
DECLARE_OBJECTNAME(ApiListener);
static boost::signals2::signal<void(bool)> OnMasterChanged;
ApiListener();
static String GetApiDir();
static String GetCertsDir();
static String GetCaDir();
static String GetCertificateRequestsDir();
void UpdateSSLContext();
static ApiListener::Ptr GetInstance();
Endpoint::Ptr GetMaster() const;
bool IsMaster() const;
Endpoint::Ptr GetLocalEndpoint() const;
void SyncSendMessage(const Endpoint::Ptr& endpoint, const Dictionary::Ptr& message);
void RelayMessage(const MessageOrigin::Ptr& origin, const ConfigObject::Ptr& secobj, const Dictionary::Ptr& message, bool log);
static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
std::pair<Dictionary::Ptr, Dictionary::Ptr> GetStatus();
bool AddAnonymousClient(const JsonRpcConnection::Ptr& aclient);
void RemoveAnonymousClient(const JsonRpcConnection::Ptr& aclient);
std::set<JsonRpcConnection::Ptr> GetAnonymousClients() const;
void AddHttpClient(const HttpServerConnection::Ptr& aclient);
void RemoveHttpClient(const HttpServerConnection::Ptr& aclient);
std::set<HttpServerConnection::Ptr> GetHttpClients() const;
static double CalculateZoneLag(const Endpoint::Ptr& endpoint);
/* filesync */
static Value ConfigUpdateHandler(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& params);
/* configsync */
static void ConfigUpdateObjectHandler(const ConfigObject::Ptr& object, const Value& cookie);
static Value ConfigUpdateObjectAPIHandler(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& params);
static Value ConfigDeleteObjectAPIHandler(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& params);
static Value HelloAPIHandler(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& params);
static void UpdateObjectAuthority();
static bool IsHACluster();
static String GetFromZoneName(const Zone::Ptr& fromZone);
static String GetDefaultCertPath();
static String GetDefaultKeyPath();
static String GetDefaultCaPath();
double GetTlsHandshakeTimeout() const override;
void SetTlsHandshakeTimeout(double value, bool suppress_events, const Value& cookie) override;
protected:
void OnConfigLoaded() override;
void OnAllConfigLoaded() override;
void Start(bool runtimeCreated) override;
void Stop(bool runtimeDeleted) override;
void ValidateTlsProtocolmin(const Lazy<String>& lvalue, const ValidationUtils& utils) override;
void ValidateTlsHandshakeTimeout(const Lazy<double>& lvalue, const ValidationUtils& utils) override;
private:
std::shared_ptr<SSL_CTX> m_SSLContext;
std::set<TcpSocket::Ptr> m_Servers;
mutable boost::mutex m_AnonymousClientsLock;
mutable boost::mutex m_HttpClientsLock;
std::set<JsonRpcConnection::Ptr> m_AnonymousClients;
std::set<HttpServerConnection::Ptr> m_HttpClients;
Timer::Ptr m_Timer;
Timer::Ptr m_ReconnectTimer;
Timer::Ptr m_AuthorityTimer;
Timer::Ptr m_CleanupCertificateRequestsTimer;
Endpoint::Ptr m_LocalEndpoint;
static ApiListener::Ptr m_Instance;
void ApiTimerHandler();
void ApiReconnectTimerHandler();
void CleanupCertificateRequestsTimerHandler();
bool AddListener(const String& node, const String& service);
void AddConnection(const Endpoint::Ptr& endpoint);
void NewClientHandler(const Socket::Ptr& client, const String& hostname, ConnectionRole role);
void NewClientHandlerInternal(const Socket::Ptr& client, const String& hostname, ConnectionRole role);
void ListenerThreadProc(const Socket::Ptr& server);
static ThreadPool& GetTP();
static void EnqueueAsyncCallback(const std::function<void ()>& callback, SchedulerPolicy policy = DefaultScheduler);
WorkQueue m_RelayQueue;
WorkQueue m_SyncQueue{0, 4};
boost::mutex m_LogLock;
Stream::Ptr m_LogFile;
size_t m_LogMessageCount{0};
bool RelayMessageOne(const Zone::Ptr& zone, const MessageOrigin::Ptr& origin, const Dictionary::Ptr& message, const Endpoint::Ptr& currentMaster);
void SyncRelayMessage(const MessageOrigin::Ptr& origin, const ConfigObject::Ptr& secobj, const Dictionary::Ptr& message, bool log);
void PersistMessage(const Dictionary::Ptr& message, const ConfigObject::Ptr& secobj);
void OpenLogFile();
void RotateLogFile();
void CloseLogFile();
static void LogGlobHandler(std::vector<int>& files, const String& file);
void ReplayLog(const JsonRpcConnection::Ptr& client);
static void CopyCertificateFile(const String& oldCertPath, const String& newCertPath);
void UpdateStatusFile(TcpSocket::Ptr socket);
void RemoveStatusFile();
/* filesync */
static ConfigDirInformation LoadConfigDir(const String& dir);
static Dictionary::Ptr MergeConfigUpdate(const ConfigDirInformation& config);
static bool UpdateConfigDir(const ConfigDirInformation& oldConfig, const ConfigDirInformation& newConfig, const String& configDir, bool authoritative);
void SyncZoneDirs() const;
void SyncZoneDir(const Zone::Ptr& zone) const;
static void ConfigGlobHandler(ConfigDirInformation& config, const String& path, const String& file);
void SendConfigUpdate(const JsonRpcConnection::Ptr& aclient);
/* configsync */
void UpdateConfigObject(const ConfigObject::Ptr& object, const MessageOrigin::Ptr& origin,
const JsonRpcConnection::Ptr& client = nullptr);
void DeleteConfigObject(const ConfigObject::Ptr& object, const MessageOrigin::Ptr& origin,
const JsonRpcConnection::Ptr& client = nullptr);
void SendRuntimeConfigObjects(const JsonRpcConnection::Ptr& aclient);
void SyncClient(const JsonRpcConnection::Ptr& aclient, const Endpoint::Ptr& endpoint, bool needSync);
};
}
#endif /* APILISTENER_H */