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| -rw-r--r-- | lib/icingadb/icingadb.hpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/lib/icingadb/icingadb.hpp b/lib/icingadb/icingadb.hpp new file mode 100644 index 0000000..6652d9c --- /dev/null +++ b/lib/icingadb/icingadb.hpp @@ -0,0 +1,241 @@ +/* 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 */ |