1 /******************************************************************************
3 * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
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 ******************************************************************************/
20 #include "perfdata/graphitewriter.h"
21 #include "icinga/service.h"
22 #include "icinga/macroprocessor.h"
23 #include "icinga/icingaapplication.h"
24 #include "icinga/compatutility.h"
25 #include "icinga/perfdatavalue.h"
26 #include "base/tcpsocket.h"
27 #include "base/dynamictype.h"
28 #include "base/objectlock.h"
29 #include "base/logger_fwd.h"
30 #include "base/convert.h"
31 #include "base/utility.h"
32 #include "base/application.h"
33 #include "base/stream.h"
34 #include "base/networkstream.h"
35 #include "base/bufferedstream.h"
36 #include "base/exception.h"
37 #include "base/statsfunction.h"
38 #include <boost/algorithm/string.hpp>
39 #include <boost/algorithm/string/classification.hpp>
40 #include <boost/foreach.hpp>
41 #include <boost/algorithm/string/split.hpp>
42 #include <boost/algorithm/string/replace.hpp>
44 using namespace icinga;
46 REGISTER_TYPE(GraphiteWriter);
48 REGISTER_STATSFUNCTION(GraphiteWriterStats, &GraphiteWriter::StatsFunc);
50 Value GraphiteWriter::StatsFunc(Dictionary::Ptr& status, Dictionary::Ptr& perfdata)
52 Dictionary::Ptr nodes = make_shared<Dictionary>();
54 BOOST_FOREACH(const GraphiteWriter::Ptr& graphitewriter, DynamicType::GetObjects<GraphiteWriter>()) {
55 nodes->Set(graphitewriter->GetName(), 1); //add more stats
58 status->Set("graphitewriter", nodes);
63 void GraphiteWriter::Start(void)
65 DynamicObject::Start();
67 m_ReconnectTimer = make_shared<Timer>();
68 m_ReconnectTimer->SetInterval(10);
69 m_ReconnectTimer->OnTimerExpired.connect(boost::bind(&GraphiteWriter::ReconnectTimerHandler, this));
70 m_ReconnectTimer->Start();
71 m_ReconnectTimer->Reschedule(0);
73 Service::OnNewCheckResult.connect(boost::bind(&GraphiteWriter::CheckResultHandler, this, _1, _2));
76 void GraphiteWriter::ReconnectTimerHandler(void)
80 m_Stream->Write("\n", 1);
81 Log(LogWarning, "perfdata", "GraphiteWriter already connected on socket on host '" + GetHost() + "' port '" + GetPort() + "'.");
84 } catch (const std::exception& ex) {
85 Log(LogWarning, "perfdata", "GraphiteWriter socket on host '" + GetHost() + "' port '" + GetPort() + "' gone. Attempting to reconnect.");
88 TcpSocket::Ptr socket = make_shared<TcpSocket>();
90 Log(LogDebug, "perfdata", "GraphiteWriter: Reconnect to tcp socket on host '" + GetHost() + "' port '" + GetPort() + "'.");
91 socket->Connect(GetHost(), GetPort());
93 NetworkStream::Ptr net_stream = make_shared<NetworkStream>(socket);
94 m_Stream = make_shared<BufferedStream>(net_stream);
97 void GraphiteWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
99 if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
102 Service::Ptr service = dynamic_pointer_cast<Service>(checkable);
106 host = service->GetHost();
108 host = static_pointer_cast<Host>(checkable);
110 String hostName = host->GetName();
111 SanitizeMetric(hostName);
116 String serviceName = service->GetShortName();
117 SanitizeMetric(serviceName);
118 prefix = "icinga." + hostName + "." + serviceName;
120 SendMetric(prefix, "state", service->GetState());
122 prefix = "icinga." + hostName;
124 SendMetric(prefix, "state", host->GetState());
127 SendMetric(prefix, "current_attempt", checkable->GetCheckAttempt());
128 SendMetric(prefix, "max_check_attempts", checkable->GetMaxCheckAttempts());
129 SendMetric(prefix, "state_type", checkable->GetStateType());
130 SendMetric(prefix, "reachable", checkable->IsReachable());
131 SendMetric(prefix, "latency", Service::CalculateLatency(cr));
132 SendMetric(prefix, "execution_time", Service::CalculateExecutionTime(cr));
133 SendPerfdata(prefix, cr);
136 void GraphiteWriter::SendPerfdata(const String& prefix, const CheckResult::Ptr& cr)
138 Value pdv = cr->GetPerformanceData();
140 if (!pdv.IsObjectType<Dictionary>())
143 Dictionary::Ptr perfdata = pdv;
145 ObjectLock olock(perfdata);
146 BOOST_FOREACH(const Dictionary::Pair& kv, perfdata) {
149 if (!kv.second.IsObjectType<PerfdataValue>())
150 valueNum = kv.second;
152 valueNum = static_cast<PerfdataValue::Ptr>(kv.second)->GetValue();
154 String escaped_key = kv.first;
155 SanitizeMetric(escaped_key);
156 boost::algorithm::replace_all(escaped_key, "::", ".");
158 SendMetric(prefix, escaped_key, valueNum);
162 void GraphiteWriter::SendMetric(const String& prefix, const String& name, double value)
164 std::ostringstream msgbuf;
165 msgbuf << prefix << "." << name << " " << value << " " << static_cast<long>(Utility::GetTime()) << "\n";
167 String metric = msgbuf.str();
168 Log(LogDebug, "perfdata", "GraphiteWriter: Add to metric list:'" + metric + "'.");
170 ObjectLock olock(this);
176 m_Stream->Write(metric.CStr(), metric.GetLength());
177 } catch (const std::exception& ex) {
178 std::ostringstream msgbuf;
179 msgbuf << "Exception thrown while writing to the Graphite socket: " << std::endl
180 << DiagnosticInformation(ex);
182 Log(LogCritical, "base", msgbuf.str());
188 void GraphiteWriter::SanitizeMetric(String& str)
190 boost::replace_all(str, " ", "_");
191 boost::replace_all(str, ".", "_");
192 boost::replace_all(str, "-", "_");
193 boost::replace_all(str, "\\", "_");
194 boost::replace_all(str, "/", "_");