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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/host.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/host.cpp330
1 files changed, 330 insertions, 0 deletions
diff --git a/lib/icinga/host.cpp b/lib/icinga/host.cpp
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+++ b/lib/icinga/host.cpp
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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "icinga/host.hpp"
+#include "icinga/host-ti.cpp"
+#include "icinga/service.hpp"
+#include "icinga/hostgroup.hpp"
+#include "icinga/pluginutility.hpp"
+#include "icinga/scheduleddowntime.hpp"
+#include "base/objectlock.hpp"
+#include "base/convert.hpp"
+#include "base/utility.hpp"
+#include "base/debug.hpp"
+#include "base/json.hpp"
+
+using namespace icinga;
+
+REGISTER_TYPE(Host);
+
+void Host::OnAllConfigLoaded()
+{
+ ObjectImpl<Host>::OnAllConfigLoaded();
+
+ String zoneName = GetZoneName();
+
+ if (!zoneName.IsEmpty()) {
+ Zone::Ptr zone = Zone::GetByName(zoneName);
+
+ if (zone && zone->IsGlobal())
+ BOOST_THROW_EXCEPTION(std::invalid_argument("Host '" + GetName() + "' cannot be put into global zone '" + zone->GetName() + "'."));
+ }
+
+ HostGroup::EvaluateObjectRules(this);
+
+ Array::Ptr groups = GetGroups();
+
+ if (groups) {
+ groups = groups->ShallowClone();
+
+ ObjectLock olock(groups);
+
+ for (const String& name : groups) {
+ HostGroup::Ptr hg = HostGroup::GetByName(name);
+
+ if (hg)
+ hg->ResolveGroupMembership(this, true);
+ }
+ }
+}
+
+void Host::CreateChildObjects(const Type::Ptr& childType)
+{
+ if (childType == ScheduledDowntime::TypeInstance)
+ ScheduledDowntime::EvaluateApplyRules(this);
+
+ if (childType == Notification::TypeInstance)
+ Notification::EvaluateApplyRules(this);
+
+ if (childType == Dependency::TypeInstance)
+ Dependency::EvaluateApplyRules(this);
+
+ if (childType == Service::TypeInstance)
+ Service::EvaluateApplyRules(this);
+}
+
+void Host::Stop(bool runtimeRemoved)
+{
+ ObjectImpl<Host>::Stop(runtimeRemoved);
+
+ Array::Ptr groups = GetGroups();
+
+ if (groups) {
+ ObjectLock olock(groups);
+
+ for (const String& name : groups) {
+ HostGroup::Ptr hg = HostGroup::GetByName(name);
+
+ if (hg)
+ hg->ResolveGroupMembership(this, false);
+ }
+ }
+
+ // TODO: unregister slave services/notifications?
+}
+
+std::vector<Service::Ptr> Host::GetServices() const
+{
+ std::unique_lock<std::mutex> lock(m_ServicesMutex);
+
+ std::vector<Service::Ptr> services;
+ services.reserve(m_Services.size());
+ typedef std::pair<String, Service::Ptr> ServicePair;
+ for (const ServicePair& kv : m_Services) {
+ services.push_back(kv.second);
+ }
+
+ return services;
+}
+
+void Host::AddService(const Service::Ptr& service)
+{
+ std::unique_lock<std::mutex> lock(m_ServicesMutex);
+
+ m_Services[service->GetShortName()] = service;
+}
+
+void Host::RemoveService(const Service::Ptr& service)
+{
+ std::unique_lock<std::mutex> lock(m_ServicesMutex);
+
+ m_Services.erase(service->GetShortName());
+}
+
+int Host::GetTotalServices() const
+{
+ return GetServices().size();
+}
+
+Service::Ptr Host::GetServiceByShortName(const Value& name)
+{
+ if (name.IsScalar()) {
+ {
+ std::unique_lock<std::mutex> lock(m_ServicesMutex);
+
+ auto it = m_Services.find(name);
+
+ if (it != m_Services.end())
+ return it->second;
+ }
+
+ return nullptr;
+ } else if (name.IsObjectType<Dictionary>()) {
+ Dictionary::Ptr dict = name;
+ String short_name;
+
+ return Service::GetByNamePair(dict->Get("host"), dict->Get("service"));
+ } else {
+ BOOST_THROW_EXCEPTION(std::invalid_argument("Host/Service name pair is invalid: " + JsonEncode(name)));
+ }
+}
+
+HostState Host::CalculateState(ServiceState state)
+{
+ switch (state) {
+ case ServiceOK:
+ case ServiceWarning:
+ return HostUp;
+ default:
+ return HostDown;
+ }
+}
+
+HostState Host::GetState() const
+{
+ return CalculateState(GetStateRaw());
+}
+
+HostState Host::GetLastState() const
+{
+ return CalculateState(GetLastStateRaw());
+}
+
+HostState Host::GetLastHardState() const
+{
+ return CalculateState(GetLastHardStateRaw());
+}
+
+/* keep in sync with Service::GetSeverity()
+ * One could think it may be smart to use an enum and some bitmask math here.
+ * But the only thing the consuming icingaweb2 cares about is being able to
+ * sort by severity. It is therefore easier to keep them seperated here. */
+int Host::GetSeverity() const
+{
+ int severity = 0;
+
+ ObjectLock olock(this);
+ HostState state = GetState();
+
+ if (!HasBeenChecked()) {
+ severity = 16;
+ } else if (state == HostUp) {
+ severity = 0;
+ } else {
+ if (IsReachable())
+ severity = 64;
+ else
+ severity = 32;
+
+ if (IsAcknowledged())
+ severity += 512;
+ else if (IsInDowntime())
+ severity += 256;
+ else
+ severity += 2048;
+ }
+
+ olock.Unlock();
+
+ return severity;
+
+}
+
+bool Host::IsStateOK(ServiceState state) const
+{
+ return Host::CalculateState(state) == HostUp;
+}
+
+void Host::SaveLastState(ServiceState state, double timestamp)
+{
+ if (state == ServiceOK || state == ServiceWarning)
+ SetLastStateUp(timestamp);
+ else if (state == ServiceCritical)
+ SetLastStateDown(timestamp);
+}
+
+HostState Host::StateFromString(const String& state)
+{
+ if (state == "UP")
+ return HostUp;
+ else
+ return HostDown;
+}
+
+String Host::StateToString(HostState state)
+{
+ switch (state) {
+ case HostUp:
+ return "UP";
+ case HostDown:
+ return "DOWN";
+ default:
+ return "INVALID";
+ }
+}
+
+StateType Host::StateTypeFromString(const String& type)
+{
+ if (type == "SOFT")
+ return StateTypeSoft;
+ else
+ return StateTypeHard;
+}
+
+String Host::StateTypeToString(StateType type)
+{
+ if (type == StateTypeSoft)
+ return "SOFT";
+ else
+ return "HARD";
+}
+
+bool Host::ResolveMacro(const String& macro, const CheckResult::Ptr&, Value *result) const
+{
+ if (macro == "state") {
+ *result = StateToString(GetState());
+ return true;
+ } else if (macro == "state_id") {
+ *result = GetState();
+ return true;
+ } else if (macro == "state_type") {
+ *result = StateTypeToString(GetStateType());
+ return true;
+ } else if (macro == "last_state") {
+ *result = StateToString(GetLastState());
+ return true;
+ } else if (macro == "last_state_id") {
+ *result = GetLastState();
+ return true;
+ } else if (macro == "last_state_type") {
+ *result = StateTypeToString(GetLastStateType());
+ return true;
+ } else if (macro == "last_state_change") {
+ *result = static_cast<long>(GetLastStateChange());
+ return true;
+ } else if (macro == "downtime_depth") {
+ *result = GetDowntimeDepth();
+ return true;
+ } else if (macro == "duration_sec") {
+ *result = Utility::GetTime() - GetLastStateChange();
+ return true;
+ } else if (macro == "num_services" || macro == "num_services_ok" || macro == "num_services_warning"
+ || macro == "num_services_unknown" || macro == "num_services_critical") {
+ int filter = -1;
+ int count = 0;
+
+ if (macro == "num_services_ok")
+ filter = ServiceOK;
+ else if (macro == "num_services_warning")
+ filter = ServiceWarning;
+ else if (macro == "num_services_unknown")
+ filter = ServiceUnknown;
+ else if (macro == "num_services_critical")
+ filter = ServiceCritical;
+
+ for (const Service::Ptr& service : GetServices()) {
+ if (filter != -1 && service->GetState() != filter)
+ continue;
+
+ count++;
+ }
+
+ *result = count;
+ return true;
+ }
+
+ CheckResult::Ptr cr = GetLastCheckResult();
+
+ if (cr) {
+ if (macro == "latency") {
+ *result = cr->CalculateLatency();
+ return true;
+ } else if (macro == "execution_time") {
+ *result = cr->CalculateExecutionTime();
+ return true;
+ } else if (macro == "output") {
+ *result = cr->GetOutput();
+ return true;
+ } else if (macro == "perfdata") {
+ *result = PluginUtility::FormatPerfdata(cr->GetPerformanceData());
+ return true;
+ } else if (macro == "check_source") {
+ *result = cr->GetCheckSource();
+ return true;
+ } else if (macro == "scheduling_source") {
+ *result = cr->GetSchedulingSource();
+ return true;
+ }
+ }
+
+ return false;
+}