icinga2/lib/icinga/service.cpp

494 lines
12 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "i2-icinga.h"
using namespace icinga;
REGISTER_TYPE(Service);
Service::Service(const Dictionary::Ptr& serializedObject)
: DynamicObject(serializedObject), m_CheckRunning(false)
{
RegisterAttribute("display_name", Attribute_Config, &m_DisplayName);
RegisterAttribute("macros", Attribute_Config, &m_Macros);
RegisterAttribute("hostdependencies", Attribute_Config, &m_HostDependencies);
RegisterAttribute("servicedependencies", Attribute_Config, &m_ServiceDependencies);
RegisterAttribute("servicegroups", Attribute_Config, &m_ServiceGroups);
RegisterAttribute("check_command", Attribute_Config, &m_CheckCommand);
RegisterAttribute("max_check_attempts", Attribute_Config, &m_MaxCheckAttempts);
RegisterAttribute("check_interval", Attribute_Config, &m_CheckInterval);
RegisterAttribute("retry_interval", Attribute_Config, &m_RetryInterval);
RegisterAttribute("checkers", Attribute_Config, &m_Checkers);
RegisterAttribute("next_check", Attribute_Replicated, &m_NextCheck);
RegisterAttribute("current_checker", Attribute_Replicated, &m_CurrentChecker);
RegisterAttribute("check_attempt", Attribute_Replicated, &m_CheckAttempt);
RegisterAttribute("state", Attribute_Replicated, &m_State);
RegisterAttribute("state_type", Attribute_Replicated, &m_StateType);
RegisterAttribute("last_state", Attribute_Replicated, &m_LastState);
RegisterAttribute("last_state_type", Attribute_Replicated, &m_LastStateType);
RegisterAttribute("last_result", Attribute_Replicated, &m_LastResult);
RegisterAttribute("last_state_change", Attribute_Replicated, &m_LastStateChange);
RegisterAttribute("last_hard_state_change", Attribute_Replicated, &m_LastHardStateChange);
RegisterAttribute("enable_active_checks", Attribute_Replicated, &m_EnableActiveChecks);
RegisterAttribute("enable_passive_checks", Attribute_Replicated, &m_EnablePassiveChecks);
RegisterAttribute("force_next_check", Attribute_Replicated, &m_ForceNextCheck);
RegisterAttribute("short_name", Attribute_Config, &m_ShortName);
RegisterAttribute("host_name", Attribute_Config, &m_HostName);
RegisterAttribute("acknowledgement", Attribute_Replicated, &m_Acknowledgement);
RegisterAttribute("acknowledgement_expiry", Attribute_Replicated, &m_AcknowledgementExpiry);
RegisterAttribute("comments", Attribute_Replicated, &m_Comments);
RegisterAttribute("downtimes", Attribute_Replicated, &m_Downtimes);
RegisterAttribute("enable_notifications", Attribute_Replicated, &m_EnableNotifications);
RegisterAttribute("last_notification", Attribute_Replicated, &m_LastNotification);
RegisterAttribute("notification_interval", Attribute_Config, &m_NotificationInterval);
SetSchedulingOffset(rand());
}
Service::~Service(void)
{
ServiceGroup::InvalidateMembersCache();
Host::InvalidateServicesCache();
Service::InvalidateDowntimesCache();
Service::InvalidateCommentsCache();
}
/**
* @threadsafety Always.
*/
void Service::OnRegistrationCompleted(void)
{
assert(!OwnsLock());
DynamicObject::OnRegistrationCompleted();
InvalidateNotificationsCache();
}
/**
* @threadsafety Always.
*/
String Service::GetDisplayName(void) const
{
if (m_DisplayName.IsEmpty())
return GetShortName();
else
return m_DisplayName;
}
/**
* @threadsafety Always.
*/
Service::Ptr Service::GetByName(const String& name)
{
DynamicObject::Ptr configObject = DynamicObject::GetObject("Service", name);
return dynamic_pointer_cast<Service>(configObject);
}
/**
* @threadsafety Always.
*/
Service::Ptr Service::GetByNamePair(const String& hostName, const String& serviceName)
{
if (!hostName.IsEmpty()) {
Host::Ptr host = Host::GetByName(hostName);
if (!host)
return Service::Ptr();
return host->GetServiceByShortName(serviceName);
} else {
return Service::GetByName(serviceName);
}
}
/**
* @threadsafety Always.
*/
Host::Ptr Service::GetHost(void) const
{
return Host::GetByName(m_HostName);
}
/**
* @threadsafety Always.
*/
Dictionary::Ptr Service::GetMacros(void) const
{
return m_Macros;
}
/**
* @threadsafety Always.
*/
Dictionary::Ptr Service::GetHostDependencies(void) const
{
return m_HostDependencies;
}
/**
* @threadsafety Always.
*/
Dictionary::Ptr Service::GetServiceDependencies(void) const
{
return m_ServiceDependencies;
}
/**
* @threadsafety Always.
*/
Dictionary::Ptr Service::GetGroups(void) const
{
return m_ServiceGroups;
}
/**
* @threadsafety Always.
*/
String Service::GetHostName(void) const
{
return m_HostName;
}
/**
* @threadsafety Always.
*/
String Service::GetShortName(void) const
{
if (m_ShortName.IsEmpty())
return GetName();
else
return m_ShortName;
}
/**
* @threadsafety Always.
*/
bool Service::IsReachable(void) const
{
assert(!OwnsLock());
BOOST_FOREACH(const Service::Ptr& service, GetParentServices()) {
/* ignore ourselves */
if (service->GetName() == GetName())
continue;
ObjectLock olock(service);
/* ignore pending services */
if (!service->GetLastCheckResult())
continue;
/* ignore soft states */
if (service->GetStateType() == StateTypeSoft)
continue;
/* ignore services states OK and Warning */
if (service->GetState() == StateOK ||
service->GetState() == StateWarning)
continue;
return false;
}
BOOST_FOREACH(const Host::Ptr& host, GetParentHosts()) {
Service::Ptr hc = host->GetHostCheckService();
/* ignore hosts that don't have a hostcheck */
if (!hc)
continue;
/* ignore ourselves */
if (hc->GetName() == GetName())
continue;
ObjectLock olock(hc);
/* ignore soft states */
if (hc->GetStateType() == StateTypeSoft)
continue;
/* ignore hosts that are up */
if (hc->GetState() == StateOK)
continue;
return false;
}
return true;
}
/**
* @threadsafety Always.
*/
AcknowledgementType Service::GetAcknowledgement(void)
{
assert(OwnsLock());
if (m_Acknowledgement.IsEmpty())
return AcknowledgementNone;
int ivalue = static_cast<int>(m_Acknowledgement);
AcknowledgementType avalue = static_cast<AcknowledgementType>(ivalue);
if (avalue != AcknowledgementNone) {
double expiry = GetAcknowledgementExpiry();
if (expiry != 0 && expiry < Utility::GetTime()) {
avalue = AcknowledgementNone;
SetAcknowledgement(avalue);
SetAcknowledgementExpiry(0);
}
}
return avalue;
}
/**
* @threadsafety Always.
*/
void Service::SetAcknowledgement(AcknowledgementType acknowledgement)
{
m_Acknowledgement = acknowledgement;
Touch("acknowledgement");
}
/**
* @threadsafety Always.
*/
bool Service::IsAcknowledged(void)
{
return GetAcknowledgement() != AcknowledgementNone;
}
/**
* @threadsafety Always.
*/
double Service::GetAcknowledgementExpiry(void) const
{
if (m_AcknowledgementExpiry.IsEmpty())
return 0;
return static_cast<double>(m_AcknowledgementExpiry);
}
/**
* @threadsafety Always.
*/
void Service::SetAcknowledgementExpiry(double timestamp)
{
m_AcknowledgementExpiry = timestamp;
Touch("acknowledgement_expiry");
}
/**
* @threadsafety Always.
*/
void Service::AcknowledgeProblem(AcknowledgementType type, double expiry)
{
ObjectLock olock(this);
SetAcknowledgement(type);
SetAcknowledgementExpiry(expiry);
RequestNotifications(NotificationAcknowledgement, GetLastCheckResult());
}
/**
* @threadsafety Always.
*/
void Service::ClearAcknowledgement(void)
{
ObjectLock olock(this);
SetAcknowledgement(AcknowledgementNone);
SetAcknowledgementExpiry(0);
}
/**
* @threadsafety Always.
*/
void Service::OnAttributeChanged(const String& name)
{
assert(!OwnsLock());
Service::Ptr self = GetSelf();
if (name == "current_checker")
OnCheckerChanged(self);
else if (name == "next_check")
OnNextCheckChanged(self);
else if (name == "servicegroups")
ServiceGroup::InvalidateMembersCache();
else if (name == "host_name" || name == "short_name") {
Host::InvalidateServicesCache();
UpdateSlaveNotifications();
} else if (name == "downtimes")
Service::InvalidateDowntimesCache();
else if (name == "comments")
Service::InvalidateCommentsCache();
else if (name == "notifications")
UpdateSlaveNotifications();
else if (name == "check_interval") {
ConfigItem::Ptr item = ConfigItem::GetObject("Service", GetName());
/* update the next check timestamp if we're the owner of this service */
if (item && !IsAbstract())
UpdateNextCheck();
}
}
/**
* @threadsafety Always.
*/
set<Host::Ptr> Service::GetParentHosts(void) const
{
set<Host::Ptr> parents;
Host::Ptr host = GetHost();
/* The service's host is implicitly a parent. */
if (host)
parents.insert(host);
Dictionary::Ptr dependencies = GetHostDependencies();
if (dependencies) {
ObjectLock olock(dependencies);
String key;
BOOST_FOREACH(tie(key, tuples::ignore), dependencies) {
Host::Ptr host = Host::GetByName(key);
if (!host)
continue;
parents.insert(host);
}
}
return parents;
}
/**
* @threadsafety Always.
*/
set<Service::Ptr> Service::GetParentServices(void) const
{
set<Service::Ptr> parents;
Host::Ptr host = GetHost();
Dictionary::Ptr dependencies = GetServiceDependencies();
if (host && dependencies) {
String key;
Value value;
BOOST_FOREACH(tie(key, value), dependencies) {
Service::Ptr service = host->GetServiceByShortName(value);
if (!service)
continue;
if (service->GetName() == GetName())
continue;
parents.insert(service);
}
}
return parents;
}
/**
* @threadsafety Always.
*/
Dictionary::Ptr Service::CalculateDynamicMacros(void) const
{
Dictionary::Ptr macros = boost::make_shared<Dictionary>();
Dictionary::Ptr cr;
{
ObjectLock olock(this);
macros->Set("SERVICEDESC", GetShortName());
macros->Set("SERVICEDISPLAYNAME", GetDisplayName());
macros->Set("SERVICESTATE", StateToString(GetState()));
macros->Set("SERVICESTATEID", GetState());
macros->Set("SERVICESTATETYPE", StateTypeToString(GetStateType()));
macros->Set("SERVICEATTEMPT", GetCurrentCheckAttempt());
macros->Set("MAXSERVICEATTEMPT", GetMaxCheckAttempts());
macros->Set("SERVICECHECKCOMMAND", "check_i2");
macros->Set("LASTSERVICESTATE", StateToString(GetLastState()));
macros->Set("LASTSERVICESTATEID", GetLastState());
macros->Set("LASTSERVICESTATETYPE", StateTypeToString(GetLastStateType()));
macros->Set("LASTSERVICESTATECHANGE", (long)GetLastStateChange());
cr = GetLastCheckResult();
}
if (cr) {
assert(cr->IsSealed());
macros->Set("SERVICELATENCY", Service::CalculateLatency(cr));
macros->Set("SERVICEEXECUTIONTIME", Service::CalculateExecutionTime(cr));
macros->Set("SERVICEOUTPUT", cr->Get("output"));
macros->Set("SERVICEPERFDATA", cr->Get("performance_data_raw"));
macros->Set("LASTSERVICECHECK", (long)cr->Get("schedule_start"));
}
macros->Seal();
return macros;
}
Dictionary::Ptr Service::CalculateAllMacros(void) const
{
vector<Dictionary::Ptr> macroDicts;
macroDicts.push_back(GetMacros());
Host::Ptr host = GetHost();
macroDicts.push_back(CalculateDynamicMacros());
if (host) {
macroDicts.push_back(host->GetMacros());
macroDicts.push_back(host->CalculateDynamicMacros());
}
IcingaApplication::Ptr app = IcingaApplication::GetInstance();
macroDicts.push_back(app->GetMacros());
macroDicts.push_back(IcingaApplication::CalculateDynamicMacros());
return MacroProcessor::MergeMacroDicts(macroDicts);
}