granicus.if.org Git - icinga2/blob - lib/methods/clusterzonechecktask.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org)    *
   4  *                                                                            *
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   6  * modify it under the terms of the GNU General Public License                *
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   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
  10  * This program is distributed in the hope that it will be useful,            *
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  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "methods/clusterzonechecktask.hpp"
  21 #include "icinga/checkcommand.hpp"
  22 #include "icinga/macroprocessor.hpp"
  23 #include "icinga/perfdatavalue.hpp"
  24 #include "remote/apilistener.hpp"
  25 #include "remote/endpoint.hpp"
  26 #include "remote/zone.hpp"
  27 #include "base/function.hpp"
  28 #include "base/utility.hpp"
  29 #include <boost/foreach.hpp>
  30
  31 using namespace icinga;
  32
  33 REGISTER_SCRIPTFUNCTION(ClusterZoneCheck, &ClusterZoneCheckTask::ScriptFunc);
  34
  35 void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
  36     const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
  37 {
  38         ApiListener::Ptr listener = ApiListener::GetInstance();
  39
  40         if (!listener) {
  41                 cr->SetOutput("No API listener is configured for this instance.");
  42                 cr->SetState(ServiceUnknown);
  43                 checkable->ProcessCheckResult(cr);
  44                 return;
  45         }
  46
  47         CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
  48         Value raw_command = commandObj->GetCommandLine();
  49
  50         Host::Ptr host;
  51         Service::Ptr service;
  52         tie(host, service) = GetHostService(checkable);
  53
  54         MacroProcessor::ResolverList resolvers;
  55         if (service)
  56                 resolvers.push_back(std::make_pair("service", service));
  57         resolvers.push_back(std::make_pair("host", host));
  58         resolvers.push_back(std::make_pair("command", commandObj));
  59         resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));
  60
  61         String zoneName = MacroProcessor::ResolveMacros("$cluster_zone$", resolvers, checkable->GetLastCheckResult(),
  62             NULL, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
  63
  64         if (resolvedMacros && !useResolvedMacros)
  65                 return;
  66
  67         if (zoneName.IsEmpty()) {
  68                 cr->SetOutput("Macro 'cluster_zone' must be set.");
  69                 cr->SetState(ServiceUnknown);
  70                 checkable->ProcessCheckResult(cr);
  71                 return;
  72         }
  73
  74         Zone::Ptr zone = Zone::GetByName(zoneName);
  75
  76         if (!zone) {
  77                 cr->SetOutput("Zone '" + zoneName + "' does not exist.");
  78                 cr->SetState(ServiceUnknown);
  79                 checkable->ProcessCheckResult(cr);
  80                 return;
  81         }
  82
  83         bool connected = false;
  84         double zoneLag = 0;
  85
  86         BOOST_FOREACH(const Endpoint::Ptr& endpoint, zone->GetEndpoints()) {
  87                 if (endpoint->GetConnected())
  88                         connected = true;
  89
  90                 double eplag = ApiListener::CalculateZoneLag(endpoint);
  91
  92                 if (eplag > 0 && eplag > zoneLag)
  93                         zoneLag = eplag;
  94         }
  95
  96         if (!connected) {
  97                 cr->SetState(ServiceCritical);
  98                 cr->SetOutput("Zone '" + zoneName + "' is not connected. Log lag: " + Utility::FormatDuration(zoneLag));
  99         } else {
 100                 cr->SetState(ServiceOK);
 101                 cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag));
 102         }
 103
 104         Array::Ptr perfdata = new Array();
 105         perfdata->Add(new PerfdataValue("slave_lag", zoneLag));
 106         cr->SetPerformanceData(perfdata);
 107
 108         checkable->ProcessCheckResult(cr);
 109 }