mirror of
https://github.com/Icinga/icinga2.git
synced 2025-10-31 19:24:25 +01:00
292 lines
11 KiB
C++
292 lines
11 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "redis/rediswriter.hpp"
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#include "icinga/customvarobject.hpp"
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#include "icinga/host.hpp"
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#include "icinga/service.hpp"
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#include "base/json.hpp"
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#include "base/logger.hpp"
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#include "base/serializer.hpp"
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#include "base/tlsutility.hpp"
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#include "base/initialize.hpp"
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using namespace icinga;
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/*
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- icinga:config:<type> as hash
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key: sha1 checksum(name)
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value: JsonEncode(Serialize(object, FAConfig)) + config_checksum
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Diff between calculated config_checksum and Redis json config_checksum
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Alternative: Replace into.
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- icinga:status:<type> as hash
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key: sha1 checksum(name)
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value: JsonEncode(Serialize(object, FAState))
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*/
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INITIALIZE_ONCE(&RedisWriter::ConfigStaticInitialize);
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void RedisWriter::ConfigStaticInitialize(void)
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{
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/* triggered in ProcessCheckResult(), requires UpdateNextCheck() to be called before */
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ConfigObject::OnStateChanged.connect(boost::bind(&RedisWriter::StateChangedHandler, _1));
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CustomVarObject::OnVarsChanged.connect(boost::bind(&RedisWriter::VarsChangedHandler, _1));
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/* triggered on create, update and delete objects */
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ConfigObject::OnActiveChanged.connect(boost::bind(&RedisWriter::VersionChangedHandler, _1));
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ConfigObject::OnVersionChanged.connect(boost::bind(&RedisWriter::VersionChangedHandler, _1));
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}
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void RedisWriter::UpdateAllConfigObjects(void)
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{
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AssertOnWorkQueue();
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double startTime = Utility::GetTime();
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//TODO: "Publish" the config dump by adding another event, globally or by object
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ExecuteQuery({ "MULTI" });
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for (const Type::Ptr& type : Type::GetAllTypes()) {
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ConfigType *ctype = dynamic_cast<ConfigType *>(type.get());
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if (!ctype)
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continue;
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String typeName = type->GetName();
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/* replace into aka delete insert is faster than a full diff */
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ExecuteQuery({ "DEL", "icinga:config:" + typeName, "icinga:config:" + typeName + ":checksum", "icinga:status:" + typeName });
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/* fetch all objects and dump them */
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for (const ConfigObject::Ptr& object : ctype->GetObjects()) {
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SendConfigUpdate(object, typeName);
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SendStatusUpdate(object, typeName);
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}
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/* publish config type dump finished */
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ExecuteQuery({ "PUBLISH", "icinga:config:dump", typeName });
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}
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ExecuteQuery({ "EXEC" });
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Log(LogInformation, "RedisWriter")
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<< "Initial config/status dump finished in " << Utility::GetTime() - startTime << " seconds.";
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}
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void RedisWriter::SendConfigUpdate(const ConfigObject::Ptr& object, const String& typeName, bool runtimeUpdate)
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{
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AssertOnWorkQueue();
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/* during startup we might send duplicated object config, ignore them without any connection */
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if (!m_Context)
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return;
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/* TODO: This isn't essentially correct as we don't keep track of config objects ourselves. This would avoid duplicated config updates at startup.
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if (!runtimeUpdate && m_ConfigDumpInProgress)
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return;
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*/
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/* Serialize config object attributes */
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Dictionary::Ptr objectAttrs = SerializeObjectAttrs(object, FAConfig);
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String jsonBody = JsonEncode(objectAttrs);
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String objectName = object->GetName();
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ExecuteQuery({ "HSET", "icinga:config:" + typeName, objectName, jsonBody });
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/* check sums */
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/* hset icinga:config:Host:checksums localhost { "name_checksum": "...", "properties_checksum": "...", "groups_checksum": "...", "vars_checksum": null } */
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Dictionary::Ptr checkSum = new Dictionary();
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checkSum->Set("name_checksum", CalculateCheckSumString(object->GetName()));
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// TODO: move this elsewhere
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Checkable::Ptr checkable = dynamic_pointer_cast<Checkable>(object);
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if (checkable) {
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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if (service)
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checkSum->Set("groups_checksum", CalculateCheckSumGroups(service->GetGroups()));
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else
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checkSum->Set("groups_checksum", CalculateCheckSumGroups(host->GetGroups()));
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}
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checkSum->Set("properties_checksum", CalculateCheckSumProperties(object));
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CustomVarObject::Ptr customVarObject = dynamic_pointer_cast<CustomVarObject>(object);
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if (customVarObject)
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checkSum->Set("vars_checksum", CalculateCheckSumVars(customVarObject));
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String checkSumBody = JsonEncode(checkSum);
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ExecuteQuery({ "HSET", "icinga:config:" + typeName + ":checksum", objectName, checkSumBody });
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/* publish runtime updated objects immediately */
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if (!runtimeUpdate)
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return;
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ExecuteQuery({ "PUBLISH", "icinga:config:update", typeName + ":" + objectName + "!" + checkSumBody });
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}
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void RedisWriter::SendConfigDelete(const ConfigObject::Ptr& object, const String& typeName)
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{
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AssertOnWorkQueue();
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/* during startup we might send duplicated object config, ignore them without any connection */
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if (!m_Context)
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return;
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String objectName = object->GetName();
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ExecuteQuery({ "HDEL", "icinga:config:" + typeName, objectName });
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ExecuteQuery({ "HDEL", "icinga:config:" + typeName + ":checksum", objectName });
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ExecuteQuery({ "HDEL", "icinga:status:" + typeName, objectName });
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ExecuteQuery({ "PUBLISH", "icinga:config:delete", typeName + ":" + objectName });
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}
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void RedisWriter::SendStatusUpdate(const ConfigObject::Ptr& object, const String& typeName)
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{
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AssertOnWorkQueue();
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/* during startup we might receive check results, ignore them without any connection */
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if (!m_Context)
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return;
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/* Serialize config object attributes */
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Dictionary::Ptr objectAttrs = SerializeObjectAttrs(object, FAState);
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String jsonBody = JsonEncode(objectAttrs);
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String objectName = object->GetName();
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ExecuteQuery({ "HSET", "icinga:status:" + typeName, objectName, jsonBody });
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/* Icinga DB part for Icinga Web 2 */
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Checkable::Ptr checkable = dynamic_pointer_cast<Checkable>(object);
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if (checkable) {
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Dictionary::Ptr attrs = new Dictionary();
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String tableName;
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String objectCheckSum = CalculateCheckSumString(objectName);
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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if (service) {
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tableName = "servicestate";
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attrs->Set("service_checksum", objectCheckSum);
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attrs->Set("host_checksum", CalculateCheckSumString(host->GetName()));
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} else {
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tableName = "hoststate";
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attrs->Set("host_checksum", objectCheckSum);
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}
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attrs->Set("last_check", checkable->GetLastCheck());
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attrs->Set("next_check", checkable->GetNextCheck());
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attrs->Set("severity", checkable->GetSeverity());
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/*
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'host_checksum' => null,
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'command' => null, // JSON, array
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'execution_start' => null,
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'execution_end' => null,
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'schedule_start' => null,
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'schedule_end' => null,
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'exit_status' => null,
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'output' => null,
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'performance_data' => null, // JSON, array
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10.0.3.12:6379> keys icinga:hoststate.*
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1) "icinga:hoststate.~\xf5a\x91+\x03\x97\x99\xb5(\x16 CYm\xb1\xdf\x85\xa2\xcb"
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10.0.3.12:6379> get "icinga:hoststate.~\xf5a\x91+\x03\x97\x99\xb5(\x16 CYm\xb1\xdf\x85\xa2\xcb"
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"{\"command\":[\"\\/usr\\/lib\\/nagios\\/plugins\\/check_ping\",\"-H\",\"127.0.0.1\",\"-c\",\"5000,100%\",\"-w\",\"3000,80%\"],\"execution_start\":1492007581.7624,\"execution_end\":1492007585.7654,\"schedule_start\":1492007581.7609,\"schedule_end\":1492007585.7655,\"exit_status\":0,\"output\":\"PING OK - Packet loss = 0%, RTA = 0.08 ms\",\"performance_data\":[\"rta=0.076000ms;3000.000000;5000.000000;0.000000\",\"pl=0%;80;100;0\"]}"
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*/
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CheckResult::Ptr cr = checkable->GetLastCheckResult();
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if (cr) {
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attrs->Set("command", JsonEncode(cr->GetCommand()));
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attrs->Set("execution_start", cr->GetExecutionStart());
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attrs->Set("execution_end", cr->GetExecutionEnd());
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attrs->Set("schedule_start", cr->GetScheduleStart());
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attrs->Set("schedule_end", cr->GetScheduleStart());
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attrs->Set("exit_status", cr->GetExitStatus());
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attrs->Set("output", cr->GetOutput());
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attrs->Set("performance_data", JsonEncode(cr->GetPerformanceData()));
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}
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String jsonAttrs = JsonEncode(attrs);
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String key = "icinga:" + tableName + "." + objectCheckSum;
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ExecuteQuery({ "SET", key, jsonAttrs });
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/* expire in check_interval * attempts + timeout + some more seconds */
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double expireTime = checkable->GetCheckInterval() * checkable->GetMaxCheckAttempts() + 60;
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ExecuteQuery({ "EXPIRE", key, String(expireTime) });
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}
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}
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void RedisWriter::StateChangedHandler(const ConfigObject::Ptr& object)
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{
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Type::Ptr type = object->GetReflectionType();
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for (const RedisWriter::Ptr& rw : ConfigType::GetObjectsByType<RedisWriter>()) {
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rw->m_WorkQueue.Enqueue(boost::bind(&RedisWriter::SendStatusUpdate, rw, object, type->GetName()));
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}
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}
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void RedisWriter::VarsChangedHandler(const ConfigObject::Ptr& object)
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{
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Type::Ptr type = object->GetReflectionType();
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for (const RedisWriter::Ptr& rw : ConfigType::GetObjectsByType<RedisWriter>()) {
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rw->m_WorkQueue.Enqueue(boost::bind(&RedisWriter::SendConfigUpdate, rw, object, type->GetName(), true));
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}
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}
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void RedisWriter::VersionChangedHandler(const ConfigObject::Ptr& object)
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{
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Type::Ptr type = object->GetReflectionType();
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if (object->IsActive()) {
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/* Create or update the object config */
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for (const RedisWriter::Ptr& rw : ConfigType::GetObjectsByType<RedisWriter>()) {
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rw->m_WorkQueue.Enqueue(boost::bind(&RedisWriter::SendConfigUpdate, rw.get(), object, type->GetName(), true));
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}
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} else if (!object->IsActive() && object->GetExtension("ConfigObjectDeleted")) { /* same as in apilistener-configsync.cpp */
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/* Delete object config */
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for (const RedisWriter::Ptr& rw : ConfigType::GetObjectsByType<RedisWriter>()) {
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rw->m_WorkQueue.Enqueue(boost::bind(&RedisWriter::SendConfigDelete, rw.get(), object, type->GetName()));
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}
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}
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}
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