icinga2/lib/db_ido/idochecktask.cpp

142 lines
5.4 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2016 Icinga Development Team (https://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 "db_ido/idochecktask.hpp"
#include "icinga/host.hpp"
#include "icinga/checkcommand.hpp"
#include "icinga/macroprocessor.hpp"
#include "icinga/perfdatavalue.hpp"
#include "remote/apilistener.hpp"
#include "remote/endpoint.hpp"
#include "remote/zone.hpp"
#include "base/function.hpp"
#include "base/utility.hpp"
#include "base/configtype.hpp"
#include "base/convert.hpp"
using namespace icinga;
REGISTER_SCRIPTFUNCTION_NS(Internal, IdoCheck, &IdoCheckTask::ScriptFunc);
void IdoCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
Value raw_command = commandObj->GetCommandLine();
Host::Ptr host;
Service::Ptr service;
tie(host, service) = GetHostService(checkable);
MacroProcessor::ResolverList resolvers;
if (service)
resolvers.push_back(std::make_pair("service", service));
resolvers.push_back(std::make_pair("host", host));
resolvers.push_back(std::make_pair("command", commandObj));
resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));
String idoType = MacroProcessor::ResolveMacros("$ido_type$", resolvers, checkable->GetLastCheckResult(),
NULL, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
String idoName = MacroProcessor::ResolveMacros("$ido_name$", resolvers, checkable->GetLastCheckResult(),
NULL, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
if (resolvedMacros && !useResolvedMacros)
return;
if (idoType.IsEmpty()) {
cr->SetOutput("Macro 'ido_type' must be set.");
cr->SetState(ServiceUnknown);
checkable->ProcessCheckResult(cr);
return;
}
if (idoName.IsEmpty()) {
cr->SetOutput("Macro 'ido_name' must be set.");
cr->SetState(ServiceUnknown);
checkable->ProcessCheckResult(cr);
return;
}
Type::Ptr type = Type::GetByName(idoType);
if (!type || !DbConnection::TypeInstance->IsAssignableFrom(type)) {
cr->SetOutput("IDO type '" + idoType + "' is invalid.");
cr->SetState(ServiceUnknown);
checkable->ProcessCheckResult(cr);
return;
}
ConfigType *dtype = dynamic_cast<ConfigType *>(type.get());
VERIFY(dtype);
DbConnection::Ptr conn = static_pointer_cast<DbConnection>(dtype->GetObject(idoName));
if (!conn) {
cr->SetOutput("IDO connection '" + idoName + "' does not exist.");
cr->SetState(ServiceUnknown);
checkable->ProcessCheckResult(cr);
return;
}
double qps = conn->GetQueryCount(60) / 60.0;
if (conn->IsPaused()) {
cr->SetOutput("IDO connection is temporarily disabled on this cluster instance.");
cr->SetState(ServiceOK);
checkable->ProcessCheckResult(cr);
return;
}
if (!conn->GetConnected()) {
if (conn->GetShouldConnect()) {
cr->SetOutput("Could not connect to the database server.");
cr->SetState(ServiceCritical);
} else {
cr->SetOutput("Not currently enabled: Another cluster instance is responsible for the IDO database.");
cr->SetState(ServiceOK);
}
} else {
String schema_version = conn->GetSchemaVersion();
std::ostringstream msgbuf;
if (Utility::CompareVersion(IDO_CURRENT_SCHEMA_VERSION, schema_version) < 0) {
msgbuf << "Outdated schema version: '" << schema_version << "'. Latest version: '" << IDO_CURRENT_SCHEMA_VERSION << "'.";
cr->SetState(ServiceWarning);
} else {
msgbuf << "Connected to the database server (Schema version: '" << schema_version << "').";
cr->SetState(ServiceOK);
}
msgbuf << " Queries per second: " << std::fixed << std::setprecision(3) << qps;
cr->SetOutput(msgbuf.str());
}
Array::Ptr perfdata = new Array();
perfdata->Add(new PerfdataValue("queries", qps));
perfdata->Add(new PerfdataValue("queries_1min", conn->GetQueryCount(60)));
perfdata->Add(new PerfdataValue("queries_5mins", conn->GetQueryCount(5 * 60)));
perfdata->Add(new PerfdataValue("queries_15mins", conn->GetQueryCount(15 * 60)));
perfdata->Add(new PerfdataValue("pending_queries", conn->GetPendingQueryCount()));
cr->SetPerformanceData(perfdata);
checkable->ProcessCheckResult(cr);
}