mirror of
https://github.com/Icinga/icinga2.git
synced 2025-11-04 05:34:12 +01:00
302 lines
7.9 KiB
C++
302 lines
7.9 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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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 "icinga/pluginutility.h"
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#include "icinga/checkcommand.h"
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#include "icinga/macroprocessor.h"
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#include "icinga/icingaapplication.h"
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#include "icinga/perfdatavalue.h"
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#include "base/dynamictype.h"
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#include "base/logger_fwd.h"
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#include "base/scriptfunction.h"
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#include "base/utility.h"
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#include "base/convert.h"
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#include "base/process.h"
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#include "base/objectlock.h"
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#include <boost/algorithm/string/classification.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string/trim.hpp>
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#include <boost/foreach.hpp>
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using namespace icinga;
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struct CommandArgument
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{
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int Order;
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bool SkipKey;
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bool SkipValue;
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String Key;
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String Value;
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CommandArgument(void)
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: Order(0), SkipKey(false), SkipValue(false)
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{ }
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bool operator<(const CommandArgument& rhs) const
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{
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return GetNormalizedOrder() < rhs.GetNormalizedOrder();
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}
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private:
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int GetNormalizedOrder(void) const
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{
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if (Order == 0)
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return 0;
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else
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return -(1 / Order);
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}
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};
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void PluginUtility::ExecuteCommand(const Command::Ptr& commandObj, const Checkable::Ptr& checkable,
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const MacroProcessor::ResolverList& macroResolvers,
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const boost::function<void(const Value& commandLine, const ProcessResult&)>& callback)
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{
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Value raw_command = commandObj->GetCommandLine();
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Dictionary::Ptr raw_arguments = commandObj->GetArguments();
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Value command;
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if (!raw_arguments || raw_command.IsObjectType<Array>())
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command = MacroProcessor::ResolveMacros(raw_command, macroResolvers, checkable->GetLastCheckResult(), NULL, Utility::EscapeShellArg);
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else {
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Array::Ptr arr = make_shared<Array>();
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arr->Add(raw_command);
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command = arr;
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}
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if (raw_arguments) {
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std::vector<CommandArgument> args;
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ObjectLock olock(raw_arguments);
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BOOST_FOREACH(const Dictionary::Pair& kv, raw_arguments) {
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const Value& arginfo = kv.second;
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CommandArgument arg;
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arg.Key = kv.first;
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bool required = false;
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String argval;
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if (arginfo.IsObjectType<Dictionary>()) {
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Dictionary::Ptr argdict = arginfo;
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argval = argdict->Get("value");
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if (argdict->Contains("required"))
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required = argdict->Get("required");
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arg.SkipKey = argdict->Get("skip_key");
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arg.Order = argdict->Get("order");
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String set_if = argdict->Get("set_if");
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if (!set_if.IsEmpty()) {
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String missingMacro;
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String set_if_resolved = MacroProcessor::ResolveMacros(set_if, macroResolvers,
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checkable->GetLastCheckResult(), &missingMacro);
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if (!missingMacro.IsEmpty() || !Convert::ToLong(set_if_resolved))
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continue;
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}
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}
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else
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argval = arginfo;
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if (argval.IsEmpty())
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arg.SkipValue = true;
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String missingMacro;
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arg.Value = MacroProcessor::ResolveMacros(argval, macroResolvers,
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checkable->GetLastCheckResult(), &missingMacro);
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if (!missingMacro.IsEmpty()) {
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if (required) {
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String message = "Non-optional macro '" + missingMacro + "' used in argument '" +
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arg.Key + "' is missing while executing command '" + commandObj->GetName() +
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"' for object '" + checkable->GetName() + "'";
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Log(LogWarning, "methods", message);
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if (callback) {
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ProcessResult pr;
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pr.ExecutionStart = Utility::GetTime();
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pr.ExecutionStart = pr.ExecutionStart;
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pr.Output = message;
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callback(Empty, pr);
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}
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return;
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}
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continue;
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}
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args.push_back(arg);
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}
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std::sort(args.begin(), args.end());
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Array::Ptr command_arr = command;
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BOOST_FOREACH(const CommandArgument& arg, args) {
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if (!arg.SkipKey)
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command_arr->Add(arg.Key);
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if (!arg.SkipValue)
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command_arr->Add(arg.Value);
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}
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}
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Dictionary::Ptr envMacros = make_shared<Dictionary>();
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Dictionary::Ptr env = commandObj->GetEnv();
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if (env) {
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ObjectLock olock(env);
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BOOST_FOREACH(const Dictionary::Pair& kv, env) {
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String name = kv.second;
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Value value = MacroProcessor::ResolveMacros(name, macroResolvers, checkable->GetLastCheckResult());
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envMacros->Set(kv.first, value);
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}
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}
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Process::Ptr process = make_shared<Process>(Process::PrepareCommand(command), envMacros);
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process->SetTimeout(commandObj->GetTimeout());
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process->Run(boost::bind(callback, command, _1));
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}
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ServiceState PluginUtility::ExitStatusToState(int exitStatus)
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{
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switch (exitStatus) {
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case 0:
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return ServiceOK;
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case 1:
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return ServiceWarning;
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case 2:
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return ServiceCritical;
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default:
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return ServiceUnknown;
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}
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}
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std::pair<String, Value> PluginUtility::ParseCheckOutput(const String& output)
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{
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String text;
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String perfdata;
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std::vector<String> lines;
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boost::algorithm::split(lines, output, boost::is_any_of("\r\n"));
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BOOST_FOREACH (const String& line, lines) {
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size_t delim = line.FindFirstOf("|");
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if (!text.IsEmpty())
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text += "\n";
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if (delim != String::NPos) {
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text += line.SubStr(0, delim);
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if (!perfdata.IsEmpty())
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perfdata += " ";
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perfdata += line.SubStr(delim + 1, line.GetLength());
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} else {
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text += line;
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}
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}
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boost::algorithm::trim(perfdata);
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return std::make_pair(text, ParsePerfdata(perfdata));
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}
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Value PluginUtility::ParsePerfdata(const String& perfdata)
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{
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try {
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Dictionary::Ptr result = make_shared<Dictionary>();
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size_t begin = 0;
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String multi_prefix;
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for (;;) {
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size_t eqp = perfdata.FindFirstOf('=', begin);
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if (eqp == String::NPos)
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break;
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String key = perfdata.SubStr(begin, eqp - begin);
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if (key.GetLength() > 2 && key[0] == '\'' && key[key.GetLength() - 1] == '\'')
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key = key.SubStr(1, key.GetLength() - 2);
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size_t multi_index = key.RFind("::");
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if (multi_index != String::NPos)
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multi_prefix = "";
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size_t spq = perfdata.FindFirstOf(' ', eqp);
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if (spq == String::NPos)
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spq = perfdata.GetLength();
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String value = perfdata.SubStr(eqp + 1, spq - eqp - 1);
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if (!multi_prefix.IsEmpty())
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key = multi_prefix + "::" + key;
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result->Set(key, PerfdataValue::Parse(value));
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if (multi_index != String::NPos)
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multi_prefix = key.SubStr(0, multi_index);
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begin = spq + 1;
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}
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return result;
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} catch (const std::exception&) {
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return perfdata;
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}
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}
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String PluginUtility::FormatPerfdata(const Value& perfdata)
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{
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std::ostringstream result;
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if (!perfdata.IsObjectType<Dictionary>())
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return perfdata;
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Dictionary::Ptr dict = perfdata;
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ObjectLock olock(dict);
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bool first = true;
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BOOST_FOREACH(const Dictionary::Pair& kv, dict) {
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String key;
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if (kv.first.FindFirstOf(" ") != String::NPos)
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key = "'" + kv.first + "'";
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else
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key = kv.first;
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if (!first)
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result << " ";
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else
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first = false;
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result << key << "=" << PerfdataValue::Format(kv.second);
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}
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return result.str();
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}
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