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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef ICINGADB_H
#define ICINGADB_H
#include "icingadb/icingadb-ti.hpp"
#include "icingadb/redisconnection.hpp"
#include "base/atomic.hpp"
#include "base/bulker.hpp"
#include "base/timer.hpp"
#include "base/workqueue.hpp"
#include "icinga/customvarobject.hpp"
#include "icinga/checkable.hpp"
#include "icinga/service.hpp"
#include "icinga/downtime.hpp"
#include "remote/messageorigin.hpp"
#include <atomic>
#include <chrono>
#include <future>
#include <memory>
#include <mutex>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <utility>
namespace icinga
{
/**
* @ingroup icingadb
*/
class IcingaDB : public ObjectImpl<IcingaDB>
{
public:
DECLARE_OBJECT(IcingaDB);
DECLARE_OBJECTNAME(IcingaDB);
IcingaDB();
static void ConfigStaticInitialize();
void Validate(int types, const ValidationUtils& utils) override;
virtual void Start(bool runtimeCreated) override;
virtual void Stop(bool runtimeRemoved) override;
String GetEnvironmentId() const override;
inline RedisConnection::Ptr GetConnection()
{
return m_RconLocked.load();
}
template<class T>
static void AddKvsToMap(const Array::Ptr& kvs, T& map)
{
Value* key = nullptr;
ObjectLock oLock (kvs);
for (auto& kv : kvs) {
if (key) {
map.emplace(std::move(*key), std::move(kv));
key = nullptr;
} else {
key = &kv;
}
}
}
protected:
void ValidateTlsProtocolmin(const Lazy<String>& lvalue, const ValidationUtils& utils) override;
void ValidateConnectTimeout(const Lazy<double>& lvalue, const ValidationUtils& utils) override;
private:
class DumpedGlobals
{
public:
void Reset();
bool IsNew(const String& id);
private:
std::set<String> m_Ids;
std::mutex m_Mutex;
};
enum StateUpdate
{
Volatile = 1ull << 0,
RuntimeOnly = 1ull << 1,
Full = Volatile | RuntimeOnly,
};
void OnConnectedHandler();
void PublishStatsTimerHandler();
void PublishStats();
/* config & status dump */
void UpdateAllConfigObjects();
std::vector<std::vector<intrusive_ptr<ConfigObject>>> ChunkObjects(std::vector<intrusive_ptr<ConfigObject>> objects, size_t chunkSize);
void DeleteKeys(const RedisConnection::Ptr& conn, const std::vector<String>& keys, RedisConnection::QueryPriority priority);
std::vector<String> GetTypeOverwriteKeys(const String& type);
std::vector<String> GetTypeDumpSignalKeys(const Type::Ptr& type);
void InsertObjectDependencies(const ConfigObject::Ptr& object, const String typeName, std::map<String, std::vector<String>>& hMSets,
std::vector<Dictionary::Ptr>& runtimeUpdates, bool runtimeUpdate);
void UpdateState(const Checkable::Ptr& checkable, StateUpdate mode);
void SendConfigUpdate(const ConfigObject::Ptr& object, bool runtimeUpdate);
void CreateConfigUpdate(const ConfigObject::Ptr& object, const String type, std::map<String, std::vector<String>>& hMSets,
std::vector<Dictionary::Ptr>& runtimeUpdates, bool runtimeUpdate);
void SendConfigDelete(const ConfigObject::Ptr& object);
void SendStateChange(const ConfigObject::Ptr& object, const CheckResult::Ptr& cr, StateType type);
void AddObjectDataToRuntimeUpdates(std::vector<Dictionary::Ptr>& runtimeUpdates, const String& objectKey,
const String& redisKey, const Dictionary::Ptr& data);
void DeleteRelationship(const String& id, const String& redisKeyWithoutPrefix, bool hasChecksum = false);
void SendSentNotification(
const Notification::Ptr& notification, const Checkable::Ptr& checkable, const std::set<User::Ptr>& users,
NotificationType type, const CheckResult::Ptr& cr, const String& author, const String& text, double sendTime
);
void SendStartedDowntime(const Downtime::Ptr& downtime);
void SendRemovedDowntime(const Downtime::Ptr& downtime);
void SendAddedComment(const Comment::Ptr& comment);
void SendRemovedComment(const Comment::Ptr& comment);
void SendFlappingChange(const Checkable::Ptr& checkable, double changeTime, double flappingLastChange);
void SendNextUpdate(const Checkable::Ptr& checkable);
void SendAcknowledgementSet(const Checkable::Ptr& checkable, const String& author, const String& comment, AcknowledgementType type, bool persistent, double changeTime, double expiry);
void SendAcknowledgementCleared(const Checkable::Ptr& checkable, const String& removedBy, double changeTime, double ackLastChange);
void SendNotificationUsersChanged(const Notification::Ptr& notification, const Array::Ptr& oldValues, const Array::Ptr& newValues);
void SendNotificationUserGroupsChanged(const Notification::Ptr& notification, const Array::Ptr& oldValues, const Array::Ptr& newValues);
void SendTimePeriodRangesChanged(const TimePeriod::Ptr& timeperiod, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
void SendTimePeriodIncludesChanged(const TimePeriod::Ptr& timeperiod, const Array::Ptr& oldValues, const Array::Ptr& newValues);
void SendTimePeriodExcludesChanged(const TimePeriod::Ptr& timeperiod, const Array::Ptr& oldValues, const Array::Ptr& newValues);
template<class T>
void SendGroupsChanged(const ConfigObject::Ptr& command, const Array::Ptr& oldValues, const Array::Ptr& newValues);
void SendCommandEnvChanged(const ConfigObject::Ptr& command, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
void SendCommandArgumentsChanged(const ConfigObject::Ptr& command, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
void SendCustomVarsChanged(const ConfigObject::Ptr& object, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
void ForwardHistoryEntries();
std::vector<String> UpdateObjectAttrs(const ConfigObject::Ptr& object, int fieldType, const String& typeNameOverride);
Dictionary::Ptr SerializeState(const Checkable::Ptr& checkable);
/* Stats */
Dictionary::Ptr GetStats();
/* utilities */
static String FormatCheckSumBinary(const String& str);
static String FormatCommandLine(const Value& commandLine);
static long long TimestampToMilliseconds(double timestamp);
static String IcingaToStreamValue(const Value& value);
static std::vector<Value> GetArrayDeletedValues(const Array::Ptr& arrayOld, const Array::Ptr& arrayNew);
static std::vector<String> GetDictionaryDeletedKeys(const Dictionary::Ptr& dictOld, const Dictionary::Ptr& dictNew);
static String GetObjectIdentifier(const ConfigObject::Ptr& object);
static String CalcEventID(const char* eventType, const ConfigObject::Ptr& object, double eventTime = 0, NotificationType nt = NotificationType(0));
static const char* GetNotificationTypeByEnum(NotificationType type);
static Dictionary::Ptr SerializeVars(const Dictionary::Ptr& vars);
static String HashValue(const Value& value);
static String HashValue(const Value& value, const std::set<String>& propertiesBlacklist, bool propertiesWhitelist = false);
static String GetLowerCaseTypeNameDB(const ConfigObject::Ptr& obj);
static bool PrepareObject(const ConfigObject::Ptr& object, Dictionary::Ptr& attributes, Dictionary::Ptr& checkSums);
static void ReachabilityChangeHandler(const std::set<Checkable::Ptr>& children);
static void StateChangeHandler(const ConfigObject::Ptr& object, const CheckResult::Ptr& cr, StateType type);
static void VersionChangedHandler(const ConfigObject::Ptr& object);
static void DowntimeStartedHandler(const Downtime::Ptr& downtime);
static void DowntimeRemovedHandler(const Downtime::Ptr& downtime);
static void NotificationSentToAllUsersHandler(
const Notification::Ptr& notification, const Checkable::Ptr& checkable, const std::set<User::Ptr>& users,
NotificationType type, const CheckResult::Ptr& cr, const String& author, const String& text
);
static void CommentAddedHandler(const Comment::Ptr& comment);
static void CommentRemovedHandler(const Comment::Ptr& comment);
static void FlappingChangeHandler(const Checkable::Ptr& checkable, double changeTime);
static void NewCheckResultHandler(const Checkable::Ptr& checkable);
static void NextCheckUpdatedHandler(const Checkable::Ptr& checkable);
static void HostProblemChangedHandler(const Service::Ptr& service);
static void AcknowledgementSetHandler(const Checkable::Ptr& checkable, const String& author, const String& comment, AcknowledgementType type, bool persistent, double changeTime, double expiry);
static void AcknowledgementClearedHandler(const Checkable::Ptr& checkable, const String& removedBy, double changeTime);
static void NotificationUsersChangedHandler(const Notification::Ptr& notification, const Array::Ptr& oldValues, const Array::Ptr& newValues);
static void NotificationUserGroupsChangedHandler(const Notification::Ptr& notification, const Array::Ptr& oldValues, const Array::Ptr& newValues);
static void TimePeriodRangesChangedHandler(const TimePeriod::Ptr& timeperiod, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
static void TimePeriodIncludesChangedHandler(const TimePeriod::Ptr& timeperiod, const Array::Ptr& oldValues, const Array::Ptr& newValues);
static void TimePeriodExcludesChangedHandler(const TimePeriod::Ptr& timeperiod, const Array::Ptr& oldValues, const Array::Ptr& newValues);
static void UserGroupsChangedHandler(const User::Ptr& user, const Array::Ptr&, const Array::Ptr& newValues);
static void HostGroupsChangedHandler(const Host::Ptr& host, const Array::Ptr& oldValues, const Array::Ptr& newValues);
static void ServiceGroupsChangedHandler(const Service::Ptr& service, const Array::Ptr& oldValues, const Array::Ptr& newValues);
static void CommandEnvChangedHandler(const ConfigObject::Ptr& command, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
static void CommandArgumentsChangedHandler(const ConfigObject::Ptr& command, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
static void CustomVarsChangedHandler(const ConfigObject::Ptr& object, const Dictionary::Ptr& oldValues, const Dictionary::Ptr& newValues);
void AssertOnWorkQueue();
void ExceptionHandler(boost::exception_ptr exp);
static std::vector<Type::Ptr> GetTypes();
static void InitEnvironmentId();
static void PersistEnvironmentId();
Timer::Ptr m_StatsTimer;
WorkQueue m_WorkQueue{0, 1, LogNotice};
std::future<void> m_HistoryThread;
Bulker<RedisConnection::Query> m_HistoryBulker {4096, std::chrono::milliseconds(250)};
String m_PrefixConfigObject;
String m_PrefixConfigCheckSum;
bool m_ConfigDumpInProgress;
bool m_ConfigDumpDone;
RedisConnection::Ptr m_Rcon;
// m_RconLocked containes a copy of the value in m_Rcon where all accesses are guarded by a mutex to allow safe
// concurrent access like from the icingadb check command. It's a copy to still allow fast access without additional
// syncronization to m_Rcon within the IcingaDB feature itself.
Locked<RedisConnection::Ptr> m_RconLocked;
std::unordered_map<ConfigType*, RedisConnection::Ptr> m_Rcons;
std::atomic_size_t m_PendingRcons;
struct {
DumpedGlobals CustomVar, ActionUrl, NotesUrl, IconImage;
} m_DumpedGlobals;
// m_EnvironmentId is shared across all IcingaDB objects (typically there is at most one, but it is perfectly fine
// to have multiple ones). It is initialized once (synchronized using m_EnvironmentIdInitMutex). After successful
// initialization, the value is read-only and can be accessed without further synchronization.
static String m_EnvironmentId;
static std::mutex m_EnvironmentIdInitMutex;
static std::unordered_set<Type*> m_IndexedTypes;
};
}
#endif /* ICINGADB_H */
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