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

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/)  *
   4  *                                                                            *
   5  * This program is free software; you can redistribute it and/or              *
   6  * modify it under the terms of the GNU General Public License                *
   7  * as published by the Free Software Foundation; either version 2             *
   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,            *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
  14  *                                                                            *
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  16  * along with this program; if not, write to the Free Software Foundation     *
  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 "remote/apilistener.hpp"
  24 #include "remote/endpoint.hpp"
  25 #include "remote/zone.hpp"
  26 #include "base/function.hpp"
  27 #include "base/utility.hpp"
  28 #include "base/perfdatavalue.hpp"
  29
  30 using namespace icinga;
  31
  32 REGISTER_SCRIPTFUNCTION_NS(Internal, ClusterZoneCheck, &ClusterZoneCheckTask::ScriptFunc, "checkable:cr:resolvedMacros:useResolvedMacros");
  33
  34 void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
  35     const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
  36 {
  37         ApiListener::Ptr listener = ApiListener::GetInstance();
  38
  39         if (!listener) {
  40                 cr->SetOutput("No API listener is configured for this instance.");
  41                 cr->SetState(ServiceUnknown);
  42                 checkable->ProcessCheckResult(cr);
  43                 return;
  44         }
  45
  46         CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
  47         Value raw_command = commandObj->GetCommandLine();
  48
  49         Host::Ptr host;
  50         Service::Ptr service;
  51         tie(host, service) = GetHostService(checkable);
  52
  53         MacroProcessor::ResolverList resolvers;
  54         if (service)
  55                 resolvers.emplace_back("service", service);
  56         resolvers.emplace_back("host", host);
  57         resolvers.emplace_back("command", commandObj);
  58         resolvers.emplace_back("icinga", IcingaApplication::GetInstance());
  59
  60         String zoneName = MacroProcessor::ResolveMacros("$cluster_zone$", resolvers, checkable->GetLastCheckResult(),
  61             nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
  62
  63         String missingLagWarning;
  64         String missingLagCritical;
  65
  66         double lagWarning = MacroProcessor::ResolveMacros("$cluster_lag_warning$", resolvers, checkable->GetLastCheckResult(),
  67             &missingLagWarning, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
  68
  69         double lagCritical = MacroProcessor::ResolveMacros("$cluster_lag_critical$", resolvers, checkable->GetLastCheckResult(),
  70             &missingLagCritical, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
  71
  72         if (resolvedMacros && !useResolvedMacros)
  73                 return;
  74
  75         if (zoneName.IsEmpty()) {
  76                 cr->SetOutput("Macro 'cluster_zone' must be set.");
  77                 cr->SetState(ServiceUnknown);
  78                 checkable->ProcessCheckResult(cr);
  79                 return;
  80         }
  81
  82         Zone::Ptr zone = Zone::GetByName(zoneName);
  83
  84         if (!zone) {
  85                 cr->SetOutput("Zone '" + zoneName + "' does not exist.");
  86                 cr->SetState(ServiceUnknown);
  87                 checkable->ProcessCheckResult(cr);
  88                 return;
  89         }
  90
  91         bool connected = false;
  92         double zoneLag = 0;
  93
  94         double lastMessageSent = 0;
  95         double lastMessageReceived = 0;
  96         double messagesSentPerSecond = 0;
  97         double messagesReceivedPerSecond = 0;
  98         double bytesSentPerSecond = 0;
  99         double bytesReceivedPerSecond = 0;
 100
 101         for (const Endpoint::Ptr& endpoint : zone->GetEndpoints()) {
 102                 if (endpoint->GetConnected())
 103                         connected = true;
 104
 105                 double eplag = ApiListener::CalculateZoneLag(endpoint);
 106
 107                 if (eplag > 0 && eplag > zoneLag)
 108                         zoneLag = eplag;
 109
 110                 if (endpoint->GetLastMessageSent() > lastMessageSent)
 111                         lastMessageSent = endpoint->GetLastMessageSent();
 112
 113                 if (endpoint->GetLastMessageReceived() > lastMessageReceived)
 114                         lastMessageReceived = endpoint->GetLastMessageReceived();
 115
 116                 messagesSentPerSecond += endpoint->GetMessagesSentPerSecond();
 117                 messagesReceivedPerSecond += endpoint->GetMessagesReceivedPerSecond();
 118                 bytesSentPerSecond += endpoint->GetBytesSentPerSecond();
 119                 bytesReceivedPerSecond += endpoint->GetBytesReceivedPerSecond();
 120         }
 121
 122         if (!connected) {
 123                 cr->SetState(ServiceCritical);
 124                 cr->SetOutput("Zone '" + zoneName + "' is not connected. Log lag: " + Utility::FormatDuration(zoneLag));
 125         } else {
 126                 cr->SetState(ServiceOK);
 127                 cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag));
 128         }
 129
 130         /* Check whether the thresholds have been resolved and compare them */
 131         if (missingLagCritical.IsEmpty() && zoneLag > lagCritical) {
 132                 cr->SetState(ServiceCritical);
 133                 cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag)
 134                     + " greater than critical threshold: " + Utility::FormatDuration(lagCritical));
 135         } else if (missingLagWarning.IsEmpty() && zoneLag > lagWarning) {
 136                 cr->SetState(ServiceWarning);
 137                 cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag)
 138                     + " greater than warning threshold: " + Utility::FormatDuration(lagWarning));
 139         }
 140
 141         Array::Ptr perfdata = new Array();
 142         perfdata->Add(new PerfdataValue("slave_lag", zoneLag, false, "s", lagWarning, lagCritical));
 143         perfdata->Add(new PerfdataValue("last_messages_sent", lastMessageSent));
 144         perfdata->Add(new PerfdataValue("last_messages_received", lastMessageReceived));
 145         perfdata->Add(new PerfdataValue("sum_messages_sent_per_second", messagesSentPerSecond));
 146         perfdata->Add(new PerfdataValue("sum_messages_received_per_second", messagesReceivedPerSecond));
 147         perfdata->Add(new PerfdataValue("sum_bytes_sent_per_second", bytesSentPerSecond));
 148         perfdata->Add(new PerfdataValue("sum_bytes_received_per_second", bytesReceivedPerSecond));
 149         cr->SetPerformanceData(perfdata);
 150
 151         checkable->ProcessCheckResult(cr);
 152 }