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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 */