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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "icinga/dependency.hpp"
#include "icinga/dependency-ti.cpp"
#include "icinga/service.hpp"
#include "base/logger.hpp"
#include "base/exception.hpp"
using namespace icinga;
REGISTER_TYPE(Dependency);
String DependencyNameComposer::MakeName(const String& shortName, const Object::Ptr& context) const
{
Dependency::Ptr dependency = dynamic_pointer_cast<Dependency>(context);
if (!dependency)
return "";
String name = dependency->GetChildHostName();
if (!dependency->GetChildServiceName().IsEmpty())
name += "!" + dependency->GetChildServiceName();
name += "!" + shortName;
return name;
}
Dictionary::Ptr DependencyNameComposer::ParseName(const String& name) const
{
std::vector<String> tokens = name.Split("!");
if (tokens.size() < 2)
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid Dependency name."));
Dictionary::Ptr result = new Dictionary();
result->Set("child_host_name", tokens[0]);
if (tokens.size() > 2) {
result->Set("child_service_name", tokens[1]);
result->Set("name", tokens[2]);
} else {
result->Set("name", tokens[1]);
}
return result;
}
void Dependency::OnConfigLoaded()
{
Value defaultFilter;
if (GetParentServiceName().IsEmpty())
defaultFilter = StateFilterUp;
else
defaultFilter = StateFilterOK | StateFilterWarning;
SetStateFilter(FilterArrayToInt(GetStates(), Notification::GetStateFilterMap(), defaultFilter));
}
void Dependency::OnAllConfigLoaded()
{
ObjectImpl<Dependency>::OnAllConfigLoaded();
Host::Ptr childHost = Host::GetByName(GetChildHostName());
if (childHost) {
if (GetChildServiceName().IsEmpty())
m_Child = childHost;
else
m_Child = childHost->GetServiceByShortName(GetChildServiceName());
}
if (!m_Child)
BOOST_THROW_EXCEPTION(ScriptError("Dependency '" + GetName() + "' references a child host/service which doesn't exist.", GetDebugInfo()));
Host::Ptr parentHost = Host::GetByName(GetParentHostName());
if (parentHost) {
if (GetParentServiceName().IsEmpty())
m_Parent = parentHost;
else
m_Parent = parentHost->GetServiceByShortName(GetParentServiceName());
}
if (!m_Parent)
BOOST_THROW_EXCEPTION(ScriptError("Dependency '" + GetName() + "' references a parent host/service which doesn't exist.", GetDebugInfo()));
m_Child->AddDependency(this);
m_Parent->AddReverseDependency(this);
}
void Dependency::Stop(bool runtimeRemoved)
{
ObjectImpl<Dependency>::Stop(runtimeRemoved);
GetChild()->RemoveDependency(this);
GetParent()->RemoveReverseDependency(this);
}
bool Dependency::IsAvailable(DependencyType dt) const
{
Checkable::Ptr parent = GetParent();
Host::Ptr parentHost;
Service::Ptr parentService;
tie(parentHost, parentService) = GetHostService(parent);
/* ignore if it's the same checkable object */
if (parent == GetChild()) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Parent and child " << (parentService ? "service" : "host") << " are identical.";
return true;
}
/* ignore pending */
if (!parent->GetLastCheckResult()) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Parent " << (parentService ? "service" : "host") << " '" << parent->GetName() << "' hasn't been checked yet.";
return true;
}
if (GetIgnoreSoftStates()) {
/* ignore soft states */
if (parent->GetStateType() == StateTypeSoft) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Parent " << (parentService ? "service" : "host") << " '" << parent->GetName() << "' is in a soft state.";
return true;
}
} else {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' failed: Parent " << (parentService ? "service" : "host") << " '" << parent->GetName() << "' is in a soft state.";
}
int state;
if (parentService)
state = ServiceStateToFilter(parentService->GetState());
else
state = HostStateToFilter(parentHost->GetState());
/* check state */
if (state & GetStateFilter()) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Parent " << (parentService ? "service" : "host") << " '" << parent->GetName() << "' matches state filter.";
return true;
}
/* ignore if not in time period */
TimePeriod::Ptr tp = GetPeriod();
if (tp && !tp->IsInside(Utility::GetTime())) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Outside time period.";
return true;
}
if (dt == DependencyCheckExecution && !GetDisableChecks()) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Checks are not disabled.";
return true;
} else if (dt == DependencyNotification && !GetDisableNotifications()) {
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' passed: Notifications are not disabled";
return true;
}
Log(LogNotice, "Dependency")
<< "Dependency '" << GetName() << "' failed. Parent "
<< (parentService ? "service" : "host") << " '" << parent->GetName() << "' is "
<< (parentService ? Service::StateToString(parentService->GetState()) : Host::StateToString(parentHost->GetState()));
return false;
}
Checkable::Ptr Dependency::GetChild() const
{
return m_Child;
}
Checkable::Ptr Dependency::GetParent() const
{
return m_Parent;
}
TimePeriod::Ptr Dependency::GetPeriod() const
{
return TimePeriod::GetByName(GetPeriodRaw());
}
void Dependency::ValidateStates(const Lazy<Array::Ptr>& lvalue, const ValidationUtils& utils)
{
ObjectImpl<Dependency>::ValidateStates(lvalue, utils);
int sfilter = FilterArrayToInt(lvalue(), Notification::GetStateFilterMap(), 0);
if (GetParentServiceName().IsEmpty() && (sfilter & ~(StateFilterUp | StateFilterDown)) != 0)
BOOST_THROW_EXCEPTION(ValidationError(this, { "states" }, "State filter is invalid for host dependency."));
if (!GetParentServiceName().IsEmpty() && (sfilter & ~(StateFilterOK | StateFilterWarning | StateFilterCritical | StateFilterUnknown)) != 0)
BOOST_THROW_EXCEPTION(ValidationError(this, { "states" }, "State filter is invalid for service dependency."));
}
void Dependency::SetParent(intrusive_ptr<Checkable> parent)
{
m_Parent = parent;
}
void Dependency::SetChild(intrusive_ptr<Checkable> child)
{
m_Child = child;
}
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