Adding upstream version 2.14.2.upstream/2.14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 */