mirror of https://github.com/Icinga/icinga2.git
528 lines
12 KiB
C++
528 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;
|
|
|
|
const int Service::DefaultMaxCheckAttempts = 3;
|
|
const int Service::DefaultCheckInterval = 5 * 60;
|
|
const int Service::CheckIntervalDivisor = 5;
|
|
|
|
boost::signal<void (const Service::Ptr&, const CheckResultMessage&)> Service::OnCheckResultReceived;
|
|
boost::signal<void (const Service::Ptr&, const String&)> Service::OnCheckerChanged;
|
|
boost::signal<void (const Service::Ptr&, const Value&)> Service::OnNextCheckChanged;
|
|
|
|
String Service::GetCheckCommand(void) const
|
|
{
|
|
return Get("check_command");
|
|
}
|
|
|
|
long Service::GetMaxCheckAttempts(void) const
|
|
{
|
|
Value value = Get("max_check_attempts");
|
|
|
|
if (value.IsEmpty())
|
|
return DefaultMaxCheckAttempts;
|
|
|
|
return value;
|
|
}
|
|
|
|
double Service::GetCheckInterval(void) const
|
|
{
|
|
Value value = Get("check_interval");
|
|
|
|
if (value.IsEmpty())
|
|
return DefaultCheckInterval;
|
|
|
|
return value;
|
|
}
|
|
|
|
double Service::GetRetryInterval(void) const
|
|
{
|
|
Value value = Get("retry_interval");
|
|
|
|
if (value.IsEmpty())
|
|
return GetCheckInterval() / CheckIntervalDivisor;
|
|
|
|
return value;
|
|
}
|
|
|
|
Dictionary::Ptr Service::GetCheckers(void) const
|
|
{
|
|
return Get("checkers");
|
|
}
|
|
|
|
void Service::SetSchedulingOffset(long offset)
|
|
{
|
|
Set("scheduling_offset", offset);
|
|
}
|
|
|
|
long Service::GetSchedulingOffset(void)
|
|
{
|
|
Value value = Get("scheduling_offset");
|
|
|
|
if (value.IsEmpty()) {
|
|
value = rand();
|
|
SetSchedulingOffset(value);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
void Service::SetFirstCheck(bool first)
|
|
{
|
|
Set("first_check", first ? 1 : 0);
|
|
}
|
|
|
|
bool Service::GetFirstCheck(void) const
|
|
{
|
|
Value value = Get("first_check");
|
|
|
|
if (value.IsEmpty())
|
|
return true;
|
|
|
|
return static_cast<long>(value);
|
|
}
|
|
|
|
|
|
void Service::SetNextCheck(double nextCheck)
|
|
{
|
|
Set("next_check", nextCheck);
|
|
}
|
|
|
|
double Service::GetNextCheck(void)
|
|
{
|
|
Value value = Get("next_check");
|
|
|
|
if (value.IsEmpty()) {
|
|
UpdateNextCheck();
|
|
|
|
value = Get("next_check");
|
|
|
|
if (value.IsEmpty())
|
|
BOOST_THROW_EXCEPTION(runtime_error("Failed to schedule next check."));
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
void Service::UpdateNextCheck(void)
|
|
{
|
|
double interval;
|
|
|
|
if (GetStateType() == StateTypeSoft)
|
|
interval = GetRetryInterval();
|
|
else
|
|
interval = GetCheckInterval();
|
|
|
|
double now = Utility::GetTime();
|
|
double adj = 0;
|
|
|
|
if (interval > 1)
|
|
adj = fmod(now + GetSchedulingOffset(), interval);
|
|
|
|
SetNextCheck(now - adj + interval);
|
|
}
|
|
|
|
void Service::SetChecker(const String& checker)
|
|
{
|
|
Set("checker", checker);
|
|
}
|
|
|
|
String Service::GetChecker(void) const
|
|
{
|
|
return Get("checker");
|
|
}
|
|
|
|
void Service::SetCurrentCheckAttempt(long attempt)
|
|
{
|
|
Set("check_attempt", attempt);
|
|
}
|
|
|
|
long Service::GetCurrentCheckAttempt(void) const
|
|
{
|
|
Value value = Get("check_attempt");
|
|
|
|
if (value.IsEmpty())
|
|
return 1;
|
|
|
|
return value;
|
|
}
|
|
|
|
void Service::SetState(ServiceState state)
|
|
{
|
|
Set("state", static_cast<long>(state));
|
|
}
|
|
|
|
ServiceState Service::GetState(void) const
|
|
{
|
|
Value value = Get("state");
|
|
|
|
if (value.IsEmpty())
|
|
return StateUnknown;
|
|
|
|
int ivalue = static_cast<int>(value);
|
|
return static_cast<ServiceState>(ivalue);
|
|
}
|
|
|
|
void Service::SetStateType(ServiceStateType type)
|
|
{
|
|
Set("state_type", static_cast<long>(type));
|
|
}
|
|
|
|
ServiceStateType Service::GetStateType(void) const
|
|
{
|
|
Value value = Get("state_type");
|
|
|
|
if (value.IsEmpty())
|
|
return StateTypeSoft;
|
|
|
|
int ivalue = static_cast<int>(value);
|
|
return static_cast<ServiceStateType>(ivalue);
|
|
}
|
|
|
|
void Service::SetLastCheckResult(const Dictionary::Ptr& result)
|
|
{
|
|
Set("last_result", result);
|
|
}
|
|
|
|
Dictionary::Ptr Service::GetLastCheckResult(void) const
|
|
{
|
|
return Get("last_result");
|
|
}
|
|
|
|
void Service::SetLastStateChange(double ts)
|
|
{
|
|
Set("last_state_change", static_cast<long>(ts));
|
|
}
|
|
|
|
double Service::GetLastStateChange(void) const
|
|
{
|
|
Value value = Get("last_state_change");
|
|
|
|
if (value.IsEmpty())
|
|
return IcingaApplication::GetInstance()->GetStartTime();
|
|
|
|
return value;
|
|
}
|
|
|
|
void Service::SetLastHardStateChange(double ts)
|
|
{
|
|
Set("last_hard_state_change", ts);
|
|
}
|
|
|
|
double Service::GetLastHardStateChange(void) const
|
|
{
|
|
Value value = Get("last_hard_state_change");
|
|
|
|
if (value.IsEmpty())
|
|
value = IcingaApplication::GetInstance()->GetStartTime();
|
|
|
|
return value;
|
|
}
|
|
|
|
bool Service::GetEnableActiveChecks(void) const
|
|
{
|
|
Value value = Get("enable_active_checks");
|
|
|
|
if (value.IsEmpty())
|
|
return true;
|
|
|
|
return static_cast<bool>(value);
|
|
}
|
|
|
|
void Service::SetEnableActiveChecks(bool enabled)
|
|
{
|
|
Set("enable_active_checks", enabled ? 1 : 0);
|
|
}
|
|
|
|
bool Service::GetEnablePassiveChecks(void) const
|
|
{
|
|
Value value = Get("enable_passive_checks");
|
|
|
|
if (value.IsEmpty())
|
|
return true;
|
|
|
|
return static_cast<bool>(value);
|
|
}
|
|
|
|
void Service::SetEnablePassiveChecks(bool enabled)
|
|
{
|
|
Set("enable_passive_checks", enabled ? 1 : 0);
|
|
}
|
|
|
|
bool Service::GetForceNextCheck(void) const
|
|
{
|
|
Value value = Get("force_next_check");
|
|
|
|
if (value.IsEmpty())
|
|
return false;
|
|
|
|
return static_cast<bool>(value);
|
|
}
|
|
|
|
void Service::SetForceNextCheck(bool forced)
|
|
{
|
|
Set("force_next_check", forced ? 1 : 0);
|
|
}
|
|
|
|
void Service::ApplyCheckResult(const Dictionary::Ptr& cr)
|
|
{
|
|
ServiceState old_state = GetState();
|
|
ServiceStateType old_stateType = GetStateType();
|
|
|
|
long attempt = GetCurrentCheckAttempt();
|
|
|
|
if (cr->Get("state") == StateOK) {
|
|
if (GetState() == StateOK)
|
|
SetStateType(StateTypeHard);
|
|
|
|
attempt = 1;
|
|
} else {
|
|
if (attempt >= GetMaxCheckAttempts()) {
|
|
SetStateType(StateTypeHard);
|
|
attempt = 1;
|
|
} else if (GetStateType() == StateTypeSoft || GetState() == StateOK) {
|
|
SetStateType(StateTypeSoft);
|
|
attempt++;
|
|
}
|
|
}
|
|
|
|
SetCurrentCheckAttempt(attempt);
|
|
|
|
int state = cr->Get("state");
|
|
SetState(static_cast<ServiceState>(state));
|
|
|
|
SetLastCheckResult(cr);
|
|
|
|
double now = Utility::GetTime();
|
|
|
|
if (old_state != GetState()) {
|
|
SetLastStateChange(now);
|
|
|
|
/* remove acknowledgements */
|
|
if (GetAcknowledgement() == AcknowledgementNormal ||
|
|
(GetAcknowledgement() == AcknowledgementSticky && GetStateType() == StateTypeHard && GetState() == StateOK)) {
|
|
SetAcknowledgement(AcknowledgementNone);
|
|
SetAcknowledgementExpiry(0);
|
|
}
|
|
|
|
/* reschedule service dependencies */
|
|
BOOST_FOREACH(const Service::Ptr& parent, GetParentServices()) {
|
|
parent->SetNextCheck(Utility::GetTime());
|
|
}
|
|
|
|
/* reschedule host dependencies */
|
|
BOOST_FOREACH(const Host::Ptr& parent, GetParentHosts()) {
|
|
Service::Ptr service = parent->GetHostCheckService();
|
|
|
|
if (service)
|
|
service->SetNextCheck(Utility::GetTime());
|
|
}
|
|
}
|
|
|
|
if (GetState() != StateOK)
|
|
TriggerDowntimes();
|
|
|
|
if (GetStateType() == StateTypeHard && (old_state != GetState() || old_stateType == StateTypeSoft)) {
|
|
SetLastHardStateChange(now);
|
|
|
|
/* Make sure the notification component sees the updated
|
|
* state/state_type attributes. */
|
|
DynamicObject::FlushTx();
|
|
|
|
RequestNotifications(NotificationStateChange);
|
|
}
|
|
}
|
|
|
|
ServiceState Service::StateFromString(const String& state)
|
|
{
|
|
if (state == "ok")
|
|
return StateOK;
|
|
else if (state == "warning")
|
|
return StateWarning;
|
|
else if (state == "critical")
|
|
return StateCritical;
|
|
else if (state == "uncheckable")
|
|
return StateUncheckable;
|
|
else
|
|
return StateUnknown;
|
|
}
|
|
|
|
String Service::StateToString(ServiceState state)
|
|
{
|
|
switch (state) {
|
|
case StateOK:
|
|
return "ok";
|
|
case StateWarning:
|
|
return "warning";
|
|
case StateCritical:
|
|
return "critical";
|
|
case StateUncheckable:
|
|
return "uncheckable";
|
|
case StateUnknown:
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
ServiceStateType Service::StateTypeFromString(const String& type)
|
|
{
|
|
if (type == "soft")
|
|
return StateTypeSoft;
|
|
else
|
|
return StateTypeHard;
|
|
}
|
|
|
|
String Service::StateTypeToString(ServiceStateType type)
|
|
{
|
|
if (type == StateTypeSoft)
|
|
return "soft";
|
|
else
|
|
return "hard";
|
|
}
|
|
|
|
bool Service::IsAllowedChecker(const String& checker) const
|
|
{
|
|
Dictionary::Ptr checkers = GetCheckers();
|
|
|
|
if (!checkers)
|
|
return true;
|
|
|
|
Value pattern;
|
|
BOOST_FOREACH(tie(tuples::ignore, pattern), checkers) {
|
|
if (Utility::Match(pattern, checker))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void Service::BeginExecuteCheck(const function<void (void)>& callback)
|
|
{
|
|
/* don't run another check if there is one pending */
|
|
if (!Get("current_task").IsEmpty()) {
|
|
/* we need to call the callback anyway */
|
|
callback();
|
|
|
|
return;
|
|
}
|
|
|
|
/* keep track of scheduling info in case the check type doesn't provide its own information */
|
|
Dictionary::Ptr scheduleInfo = boost::make_shared<Dictionary>();
|
|
scheduleInfo->Set("schedule_start", GetNextCheck());
|
|
scheduleInfo->Set("execution_start", Utility::GetTime());
|
|
|
|
try {
|
|
vector<Value> arguments;
|
|
arguments.push_back(static_cast<Service::Ptr>(GetSelf()));
|
|
ScriptTask::Ptr task;
|
|
task = InvokeMethod("check", arguments, boost::bind(&Service::CheckCompletedHandler, this, scheduleInfo, _1, callback));
|
|
|
|
if (!task->IsFinished())
|
|
Set("current_task", task);
|
|
} catch (...) {
|
|
/* something went wrong while setting up the method call -
|
|
* reschedule the service and call the callback anyway. */
|
|
|
|
UpdateNextCheck();
|
|
|
|
callback();
|
|
|
|
throw;
|
|
}
|
|
}
|
|
|
|
void Service::CheckCompletedHandler(const Dictionary::Ptr& scheduleInfo,
|
|
const ScriptTask::Ptr& task, const function<void (void)>& callback)
|
|
{
|
|
Set("current_task", Empty);
|
|
|
|
scheduleInfo->Set("execution_end", Utility::GetTime());
|
|
scheduleInfo->Set("schedule_end", Utility::GetTime());
|
|
|
|
Dictionary::Ptr result;
|
|
|
|
try {
|
|
Value vresult = task->GetResult();
|
|
|
|
if (vresult.IsObjectType<Dictionary>())
|
|
result = vresult;
|
|
} catch (const exception& ex) {
|
|
stringstream msgbuf;
|
|
msgbuf << "Exception occured during check for service '"
|
|
<< GetName() << "': " << diagnostic_information(ex);
|
|
String message = msgbuf.str();
|
|
|
|
Logger::Write(LogWarning, "icinga", message);
|
|
|
|
result = boost::make_shared<Dictionary>();
|
|
result->Set("state", StateUnknown);
|
|
result->Set("output", message);
|
|
}
|
|
|
|
if (result) {
|
|
if (!result->Contains("schedule_start"))
|
|
result->Set("schedule_start", scheduleInfo->Get("schedule_start"));
|
|
|
|
if (!result->Contains("schedule_end"))
|
|
result->Set("schedule_end", scheduleInfo->Get("schedule_end"));
|
|
|
|
if (!result->Contains("execution_start"))
|
|
result->Set("execution_start", scheduleInfo->Get("execution_start"));
|
|
|
|
if (!result->Contains("execution_end"))
|
|
result->Set("execution_end", scheduleInfo->Get("execution_end"));
|
|
|
|
if (!result->Contains("active"))
|
|
result->Set("active", 1);
|
|
|
|
ProcessCheckResult(result);
|
|
}
|
|
|
|
/* figure out when the next check is for this service; the call to
|
|
* ApplyCheckResult() should've already done this but lets do it again
|
|
* just in case there was no check result. */
|
|
UpdateNextCheck();
|
|
|
|
callback();
|
|
}
|
|
|
|
void Service::ProcessCheckResult(const Dictionary::Ptr& cr)
|
|
{
|
|
ApplyCheckResult(cr);
|
|
|
|
/* flush the current transaction so other instances see the service's
|
|
* new state when they receive the CheckResult message */
|
|
DynamicObject::FlushTx();
|
|
|
|
RequestMessage rm;
|
|
rm.SetMethod("checker::CheckResult");
|
|
|
|
/* TODO: add _old_ state to message */
|
|
CheckResultMessage params;
|
|
params.SetService(GetName());
|
|
params.SetCheckResult(cr);
|
|
|
|
rm.SetParams(params);
|
|
|
|
EndpointManager::GetInstance()->SendMulticastMessage(rm);
|
|
}
|