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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
commit0915b3ef56dfac3113cce55a59a5765dc94976be (patch)
treea8fea11d50b4f083e1bf0f90025ece7f0824784a /lib/icinga/checkable.cpp
parentInitial commit. (diff)
downloadicinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.tar.xz
icinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.zip
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--lib/icinga/checkable.cpp322
1 files changed, 322 insertions, 0 deletions
diff --git a/lib/icinga/checkable.cpp b/lib/icinga/checkable.cpp
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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "icinga/checkable.hpp"
+#include "icinga/checkable-ti.cpp"
+#include "icinga/host.hpp"
+#include "icinga/service.hpp"
+#include "base/objectlock.hpp"
+#include "base/utility.hpp"
+#include "base/exception.hpp"
+#include "base/timer.hpp"
+#include <boost/thread/once.hpp>
+
+using namespace icinga;
+
+REGISTER_TYPE_WITH_PROTOTYPE(Checkable, Checkable::GetPrototype());
+INITIALIZE_ONCE(&Checkable::StaticInitialize);
+
+const std::map<String, int> Checkable::m_FlappingStateFilterMap ({
+ {"OK", FlappingStateFilterOk},
+ {"Warning", FlappingStateFilterWarning},
+ {"Critical", FlappingStateFilterCritical},
+ {"Unknown", FlappingStateFilterUnknown},
+ {"Up", FlappingStateFilterOk},
+ {"Down", FlappingStateFilterCritical},
+});
+
+boost::signals2::signal<void (const Checkable::Ptr&, const String&, const String&, AcknowledgementType, bool, bool, double, double, const MessageOrigin::Ptr&)> Checkable::OnAcknowledgementSet;
+boost::signals2::signal<void (const Checkable::Ptr&, const String&, double, const MessageOrigin::Ptr&)> Checkable::OnAcknowledgementCleared;
+boost::signals2::signal<void (const Checkable::Ptr&, double)> Checkable::OnFlappingChange;
+
+static Timer::Ptr l_CheckablesFireSuppressedNotifications;
+static Timer::Ptr l_CleanDeadlinedExecutions;
+
+thread_local std::function<void(const Value& commandLine, const ProcessResult&)> Checkable::ExecuteCommandProcessFinishedHandler;
+
+void Checkable::StaticInitialize()
+{
+ /* fixed downtime start */
+ Downtime::OnDowntimeStarted.connect([](const Downtime::Ptr& downtime) { Checkable::NotifyFixedDowntimeStart(downtime); });
+ /* flexible downtime start */
+ Downtime::OnDowntimeTriggered.connect([](const Downtime::Ptr& downtime) { Checkable::NotifyFlexibleDowntimeStart(downtime); });
+ /* fixed/flexible downtime end */
+ Downtime::OnDowntimeRemoved.connect([](const Downtime::Ptr& downtime) { Checkable::NotifyDowntimeEnd(downtime); });
+}
+
+Checkable::Checkable()
+{
+ SetSchedulingOffset(Utility::Random());
+}
+
+void Checkable::OnConfigLoaded()
+{
+ ObjectImpl<Checkable>::OnConfigLoaded();
+
+ SetFlappingIgnoreStatesFilter(FilterArrayToInt(GetFlappingIgnoreStates(), m_FlappingStateFilterMap, ~0));
+}
+
+void Checkable::OnAllConfigLoaded()
+{
+ ObjectImpl<Checkable>::OnAllConfigLoaded();
+
+ Endpoint::Ptr endpoint = GetCommandEndpoint();
+
+ if (endpoint) {
+ Zone::Ptr checkableZone = static_pointer_cast<Zone>(GetZone());
+
+ if (checkableZone) {
+ Zone::Ptr cmdZone = endpoint->GetZone();
+
+ if (cmdZone != checkableZone && cmdZone->GetParent() != checkableZone) {
+ BOOST_THROW_EXCEPTION(ValidationError(this, { "command_endpoint" },
+ "Command endpoint must be in zone '" + checkableZone->GetName() + "' or in a direct child zone thereof."));
+ }
+ } else {
+ BOOST_THROW_EXCEPTION(ValidationError(this, { "command_endpoint" },
+ "Checkable with command endpoint requires a zone. Please check the troubleshooting documentation."));
+ }
+ }
+}
+
+void Checkable::Start(bool runtimeCreated)
+{
+ double now = Utility::GetTime();
+
+ {
+ auto cr (GetLastCheckResult());
+
+ if (GetLastCheckStarted() > (cr ? cr->GetExecutionEnd() : 0.0)) {
+ SetNextCheck(GetLastCheckStarted());
+ }
+ }
+
+ if (GetNextCheck() < now + 60) {
+ double delta = std::min(GetCheckInterval(), 60.0);
+ delta *= (double)std::rand() / RAND_MAX;
+ SetNextCheck(now + delta);
+ }
+
+ ObjectImpl<Checkable>::Start(runtimeCreated);
+
+ static boost::once_flag once = BOOST_ONCE_INIT;
+
+ boost::call_once(once, []() {
+ l_CheckablesFireSuppressedNotifications = new Timer();
+ l_CheckablesFireSuppressedNotifications->SetInterval(5);
+ l_CheckablesFireSuppressedNotifications->OnTimerExpired.connect(&Checkable::FireSuppressedNotificationsTimer);
+ l_CheckablesFireSuppressedNotifications->Start();
+
+ l_CleanDeadlinedExecutions = new Timer();
+ l_CleanDeadlinedExecutions->SetInterval(300);
+ l_CleanDeadlinedExecutions->OnTimerExpired.connect(&Checkable::CleanDeadlinedExecutions);
+ l_CleanDeadlinedExecutions->Start();
+ });
+}
+
+void Checkable::AddGroup(const String& name)
+{
+ std::unique_lock<std::mutex> lock(m_CheckableMutex);
+
+ Array::Ptr groups;
+ auto *host = dynamic_cast<Host *>(this);
+
+ if (host)
+ groups = host->GetGroups();
+ else
+ groups = static_cast<Service *>(this)->GetGroups();
+
+ if (groups && groups->Contains(name))
+ return;
+
+ if (!groups)
+ groups = new Array();
+
+ groups->Add(name);
+}
+
+AcknowledgementType Checkable::GetAcknowledgement()
+{
+ auto avalue = static_cast<AcknowledgementType>(GetAcknowledgementRaw());
+
+ if (avalue != AcknowledgementNone) {
+ double expiry = GetAcknowledgementExpiry();
+
+ if (expiry != 0 && expiry < Utility::GetTime()) {
+ avalue = AcknowledgementNone;
+ ClearAcknowledgement("");
+ }
+ }
+
+ return avalue;
+}
+
+bool Checkable::IsAcknowledged() const
+{
+ return const_cast<Checkable *>(this)->GetAcknowledgement() != AcknowledgementNone;
+}
+
+void Checkable::AcknowledgeProblem(const String& author, const String& comment, AcknowledgementType type, bool notify, bool persistent, double changeTime, double expiry, const MessageOrigin::Ptr& origin)
+{
+ SetAcknowledgementRaw(type);
+ SetAcknowledgementExpiry(expiry);
+
+ if (notify && !IsPaused())
+ OnNotificationsRequested(this, NotificationAcknowledgement, GetLastCheckResult(), author, comment, nullptr);
+
+ Log(LogInformation, "Checkable")
+ << "Acknowledgement set for checkable '" << GetName() << "'.";
+
+ OnAcknowledgementSet(this, author, comment, type, notify, persistent, changeTime, expiry, origin);
+
+ SetAcknowledgementLastChange(changeTime);
+}
+
+void Checkable::ClearAcknowledgement(const String& removedBy, double changeTime, const MessageOrigin::Ptr& origin)
+{
+ ObjectLock oLock (this);
+
+ bool wasAcked = GetAcknowledgementRaw() != AcknowledgementNone;
+
+ SetAcknowledgementRaw(AcknowledgementNone);
+ SetAcknowledgementExpiry(0);
+
+ Log(LogInformation, "Checkable")
+ << "Acknowledgement cleared for checkable '" << GetName() << "'.";
+
+ if (wasAcked) {
+ OnAcknowledgementCleared(this, removedBy, changeTime, origin);
+
+ SetAcknowledgementLastChange(changeTime);
+ }
+}
+
+Endpoint::Ptr Checkable::GetCommandEndpoint() const
+{
+ return Endpoint::GetByName(GetCommandEndpointRaw());
+}
+
+int Checkable::GetSeverity() const
+{
+ /* overridden in Host/Service class. */
+ return 0;
+}
+
+bool Checkable::GetProblem() const
+{
+ auto cr (GetLastCheckResult());
+
+ return cr && !IsStateOK(cr->GetState());
+}
+
+bool Checkable::GetHandled() const
+{
+ return GetProblem() && (IsInDowntime() || IsAcknowledged());
+}
+
+Timestamp Checkable::GetNextUpdate() const
+{
+ auto cr (GetLastCheckResult());
+ double interval, latency;
+
+ // TODO: Document this behavior.
+ if (cr) {
+ interval = GetEnableActiveChecks() && GetProblem() && GetStateType() == StateTypeSoft ? GetRetryInterval() : GetCheckInterval();
+ latency = cr->GetExecutionEnd() - cr->GetScheduleStart();
+ } else {
+ interval = GetCheckInterval();
+ latency = 0.0;
+ }
+
+ return (GetEnableActiveChecks() ? GetNextCheck() : (cr ? cr->GetExecutionEnd() : Application::GetStartTime()) + interval) + interval + 2 * latency;
+}
+
+void Checkable::NotifyFixedDowntimeStart(const Downtime::Ptr& downtime)
+{
+ if (!downtime->GetFixed())
+ return;
+
+ NotifyDowntimeInternal(downtime);
+}
+
+void Checkable::NotifyFlexibleDowntimeStart(const Downtime::Ptr& downtime)
+{
+ if (downtime->GetFixed())
+ return;
+
+ NotifyDowntimeInternal(downtime);
+}
+
+void Checkable::NotifyDowntimeInternal(const Downtime::Ptr& downtime)
+{
+ Checkable::Ptr checkable = downtime->GetCheckable();
+
+ if (!checkable->IsPaused())
+ OnNotificationsRequested(checkable, NotificationDowntimeStart, checkable->GetLastCheckResult(), downtime->GetAuthor(), downtime->GetComment(), nullptr);
+}
+
+void Checkable::NotifyDowntimeEnd(const Downtime::Ptr& downtime)
+{
+ /* don't send notifications for downtimes which never triggered */
+ if (!downtime->IsTriggered())
+ return;
+
+ Checkable::Ptr checkable = downtime->GetCheckable();
+
+ if (!checkable->IsPaused())
+ OnNotificationsRequested(checkable, NotificationDowntimeEnd, checkable->GetLastCheckResult(), downtime->GetAuthor(), downtime->GetComment(), nullptr);
+}
+
+void Checkable::ValidateCheckInterval(const Lazy<double>& lvalue, const ValidationUtils& utils)
+{
+ ObjectImpl<Checkable>::ValidateCheckInterval(lvalue, utils);
+
+ if (lvalue() <= 0)
+ BOOST_THROW_EXCEPTION(ValidationError(this, { "check_interval" }, "Interval must be greater than 0."));
+}
+
+void Checkable::ValidateRetryInterval(const Lazy<double>& lvalue, const ValidationUtils& utils)
+{
+ ObjectImpl<Checkable>::ValidateRetryInterval(lvalue, utils);
+
+ if (lvalue() <= 0)
+ BOOST_THROW_EXCEPTION(ValidationError(this, { "retry_interval" }, "Interval must be greater than 0."));
+}
+
+void Checkable::ValidateMaxCheckAttempts(const Lazy<int>& lvalue, const ValidationUtils& utils)
+{
+ ObjectImpl<Checkable>::ValidateMaxCheckAttempts(lvalue, utils);
+
+ if (lvalue() <= 0)
+ BOOST_THROW_EXCEPTION(ValidationError(this, { "max_check_attempts" }, "Value must be greater than 0."));
+}
+
+void Checkable::CleanDeadlinedExecutions(const Timer * const&)
+{
+ double now = Utility::GetTime();
+ Dictionary::Ptr executions;
+ Dictionary::Ptr execution;
+
+ for (auto& host : ConfigType::GetObjectsByType<Host>()) {
+ executions = host->GetExecutions();
+ if (executions) {
+ for (const String& key : executions->GetKeys()) {
+ execution = executions->Get(key);
+ if (execution->Contains("deadline") && now > execution->Get("deadline")) {
+ executions->Remove(key);
+ }
+ }
+ }
+ }
+
+ for (auto& service : ConfigType::GetObjectsByType<Service>()) {
+ executions = service->GetExecutions();
+ if (executions) {
+ for (const String& key : executions->GetKeys()) {
+ execution = executions->Get(key);
+ if (execution->Contains("deadline") && now > execution->Get("deadline")) {
+ executions->Remove(key);
+ }
+ }
+ }
+ }
+}