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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
commit0915b3ef56dfac3113cce55a59a5765dc94976be (patch)
treea8fea11d50b4f083e1bf0f90025ece7f0824784a /lib/icinga/pluginutility.cpp
parentInitial commit. (diff)
downloadicinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.tar.xz
icinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.zip
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--lib/icinga/pluginutility.cpp217
1 files changed, 217 insertions, 0 deletions
diff --git a/lib/icinga/pluginutility.cpp b/lib/icinga/pluginutility.cpp
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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "icinga/pluginutility.hpp"
+#include "icinga/macroprocessor.hpp"
+#include "base/logger.hpp"
+#include "base/utility.hpp"
+#include "base/perfdatavalue.hpp"
+#include "base/convert.hpp"
+#include "base/process.hpp"
+#include "base/objectlock.hpp"
+#include "base/exception.hpp"
+#include <boost/algorithm/string/trim.hpp>
+
+using namespace icinga;
+
+void PluginUtility::ExecuteCommand(const Command::Ptr& commandObj, const Checkable::Ptr& checkable,
+ const CheckResult::Ptr& cr, const MacroProcessor::ResolverList& macroResolvers,
+ const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros, int timeout,
+ const std::function<void(const Value& commandLine, const ProcessResult&)>& callback)
+{
+ Value raw_command = commandObj->GetCommandLine();
+ Dictionary::Ptr raw_arguments = commandObj->GetArguments();
+
+ Value command;
+
+ try {
+ command = MacroProcessor::ResolveArguments(raw_command, raw_arguments,
+ macroResolvers, cr, resolvedMacros, useResolvedMacros);
+ } catch (const std::exception& ex) {
+ String message = DiagnosticInformation(ex);
+
+ Log(LogWarning, "PluginUtility", message);
+
+ if (callback) {
+ ProcessResult pr;
+ pr.PID = -1;
+ pr.ExecutionStart = Utility::GetTime();
+ pr.ExecutionEnd = pr.ExecutionStart;
+ pr.ExitStatus = 3; /* Unknown */
+ pr.Output = message;
+ callback(Empty, pr);
+ }
+
+ return;
+ }
+
+ Dictionary::Ptr envMacros = new Dictionary();
+
+ Dictionary::Ptr env = commandObj->GetEnv();
+
+ if (env) {
+ ObjectLock olock(env);
+ for (const Dictionary::Pair& kv : env) {
+ String name = kv.second;
+
+ String missingMacro;
+ Value value = MacroProcessor::ResolveMacros(name, macroResolvers, cr,
+ &missingMacro, MacroProcessor::EscapeCallback(), resolvedMacros,
+ useResolvedMacros);
+
+#ifdef I2_DEBUG
+ if (!missingMacro.IsEmpty())
+ Log(LogDebug, "PluginUtility")
+ << "Macro '" << name << "' is not defined.";
+#endif /* I2_DEBUG */
+
+ if (value.IsObjectType<Array>())
+ value = Utility::Join(value, ';');
+
+ envMacros->Set(kv.first, value);
+ }
+ }
+
+ if (resolvedMacros && !useResolvedMacros)
+ return;
+
+ Process::Ptr process = new Process(Process::PrepareCommand(command), envMacros);
+
+ process->SetTimeout(timeout);
+ process->SetAdjustPriority(true);
+
+ process->Run([callback, command](const ProcessResult& pr) { callback(command, pr); });
+}
+
+ServiceState PluginUtility::ExitStatusToState(int exitStatus)
+{
+ switch (exitStatus) {
+ case 0:
+ return ServiceOK;
+ case 1:
+ return ServiceWarning;
+ case 2:
+ return ServiceCritical;
+ default:
+ return ServiceUnknown;
+ }
+}
+
+std::pair<String, String> PluginUtility::ParseCheckOutput(const String& output)
+{
+ String text;
+ String perfdata;
+
+ std::vector<String> lines = output.Split("\r\n");
+
+ for (const String& line : lines) {
+ size_t delim = line.FindFirstOf("|");
+
+ if (!text.IsEmpty())
+ text += "\n";
+
+ if (delim != String::NPos && line.FindFirstOf("=", delim) != String::NPos) {
+ text += line.SubStr(0, delim);
+
+ if (!perfdata.IsEmpty())
+ perfdata += " ";
+
+ perfdata += line.SubStr(delim + 1, line.GetLength());
+ } else {
+ text += line;
+ }
+ }
+
+ boost::algorithm::trim(perfdata);
+
+ return std::make_pair(text, perfdata);
+}
+
+Array::Ptr PluginUtility::SplitPerfdata(const String& perfdata)
+{
+ ArrayData result;
+
+ size_t begin = 0;
+ String multi_prefix;
+
+ for (;;) {
+ size_t eqp = perfdata.FindFirstOf('=', begin);
+
+ if (eqp == String::NPos)
+ break;
+
+ String label = perfdata.SubStr(begin, eqp - begin);
+
+ if (label.GetLength() > 2 && label[0] == '\'' && label[label.GetLength() - 1] == '\'')
+ label = label.SubStr(1, label.GetLength() - 2);
+
+ size_t multi_index = label.RFind("::");
+
+ if (multi_index != String::NPos)
+ multi_prefix = "";
+
+ size_t spq = perfdata.FindFirstOf(' ', eqp);
+
+ if (spq == String::NPos)
+ spq = perfdata.GetLength();
+
+ String value = perfdata.SubStr(eqp + 1, spq - eqp - 1);
+
+ if (!multi_prefix.IsEmpty())
+ label = multi_prefix + "::" + label;
+
+ String pdv;
+ if (label.FindFirstOf(" ") != String::NPos)
+ pdv = "'" + label + "'=" + value;
+ else
+ pdv = label + "=" + value;
+
+ result.emplace_back(std::move(pdv));
+
+ if (multi_index != String::NPos)
+ multi_prefix = label.SubStr(0, multi_index);
+
+ begin = spq + 1;
+ }
+
+ return new Array(std::move(result));
+}
+
+String PluginUtility::FormatPerfdata(const Array::Ptr& perfdata, bool normalize)
+{
+ if (!perfdata)
+ return "";
+
+ std::ostringstream result;
+
+ ObjectLock olock(perfdata);
+
+ bool first = true;
+ for (const Value& pdv : perfdata) {
+ if (!first)
+ result << " ";
+ else
+ first = false;
+
+ if (pdv.IsObjectType<PerfdataValue>()) {
+ result << static_cast<PerfdataValue::Ptr>(pdv)->Format();
+ } else if (normalize) {
+ PerfdataValue::Ptr normalized;
+
+ try {
+ normalized = PerfdataValue::Parse(pdv);
+ } catch (const std::invalid_argument& ex) {
+ Log(LogDebug, "PerfdataValue") << ex.what();
+ }
+
+ if (normalized) {
+ result << normalized->Format();
+ } else {
+ result << pdv;
+ }
+ } else {
+ result << pdv;
+ }
+ }
+
+ return result.str();
+}