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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "db_ido/idochecktask.hpp"
#include "icinga/host.hpp"
#include "icinga/checkcommand.hpp"
#include "icinga/macroprocessor.hpp"
#include "remote/apilistener.hpp"
#include "remote/endpoint.hpp"
#include "remote/zone.hpp"
#include "base/function.hpp"
#include "base/utility.hpp"
#include "base/perfdatavalue.hpp"
#include "base/configtype.hpp"
#include "base/convert.hpp"
#include <utility>
using namespace icinga;
REGISTER_FUNCTION_NONCONST(Internal, IdoCheck, &IdoCheckTask::ScriptFunc, "checkable:cr:producer:resolvedMacros:useResolvedMacros");
static void ReportIdoCheck(
const Checkable::Ptr& checkable, const CheckCommand::Ptr& commandObj, const CheckResult::Ptr& cr,
const WaitGroup::Ptr& producer, String output, ServiceState state = ServiceUnknown
)
{
if (Checkable::ExecuteCommandProcessFinishedHandler) {
double now = Utility::GetTime();
ProcessResult pr;
pr.PID = -1;
pr.Output = std::move(output);
pr.ExecutionStart = now;
pr.ExecutionEnd = now;
pr.ExitStatus = state;
Checkable::ExecuteCommandProcessFinishedHandler(commandObj->GetName(), pr);
} else {
cr->SetState(state);
cr->SetOutput(output);
checkable->ProcessCheckResult(cr, producer);
}
}
void IdoCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
const WaitGroup::Ptr& producer, const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
ServiceState state;
CheckCommand::Ptr commandObj = CheckCommand::ExecuteOverride ? CheckCommand::ExecuteOverride : checkable->GetCheckCommand();
Value raw_command = commandObj->GetCommandLine();
Host::Ptr host;
Service::Ptr service;
tie(host, service) = GetHostService(checkable);
MacroProcessor::ResolverList resolvers;
if (MacroResolver::OverrideMacros)
resolvers.emplace_back("override", MacroResolver::OverrideMacros);
if (service)
resolvers.emplace_back("service", service);
resolvers.emplace_back("host", host);
resolvers.emplace_back("command", commandObj);
String idoType = MacroProcessor::ResolveMacros("$ido_type$", resolvers, checkable->GetLastCheckResult(),
nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
String idoName = MacroProcessor::ResolveMacros("$ido_name$", resolvers, checkable->GetLastCheckResult(),
nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
String missingQueriesWarning;
String missingQueriesCritical;
String missingPendingQueriesWarning;
String missingPendingQueriesCritical;
double queriesWarning = MacroProcessor::ResolveMacros("$ido_queries_warning$", resolvers, checkable->GetLastCheckResult(),
&missingQueriesWarning, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
double queriesCritical = MacroProcessor::ResolveMacros("$ido_queries_critical$", resolvers, checkable->GetLastCheckResult(),
&missingQueriesCritical, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
double pendingQueriesWarning = MacroProcessor::ResolveMacros("$ido_pending_queries_warning$", resolvers, checkable->GetLastCheckResult(),
&missingPendingQueriesWarning, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
double pendingQueriesCritical = MacroProcessor::ResolveMacros("$ido_pending_queries_critical$", resolvers, checkable->GetLastCheckResult(),
&missingPendingQueriesCritical, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
if (resolvedMacros && !useResolvedMacros)
return;
if (idoType.IsEmpty()) {
ReportIdoCheck(checkable, commandObj, cr, producer, "Attribute 'ido_type' must be set.");
return;
}
if (idoName.IsEmpty()) {
ReportIdoCheck(checkable, commandObj, cr, producer, "Attribute 'ido_name' must be set.");
return;
}
Type::Ptr type = Type::GetByName(idoType);
if (!type || !DbConnection::TypeInstance->IsAssignableFrom(type)) {
ReportIdoCheck(checkable, commandObj, cr, producer, "DB IDO type '" + idoType + "' is invalid.");
return;
}
auto *dtype = dynamic_cast<ConfigType *>(type.get());
VERIFY(dtype);
DbConnection::Ptr conn = static_pointer_cast<DbConnection>(dtype->GetObject(idoName));
if (!conn) {
ReportIdoCheck(checkable, commandObj, cr, producer, "DB IDO connection '" + idoName + "' does not exist.");
return;
}
double qps = conn->GetQueryCount(60) / 60.0;
if (conn->IsPaused()) {
ReportIdoCheck(checkable, commandObj, cr, producer, "DB IDO connection is temporarily disabled on this cluster instance.", ServiceOK);
return;
}
double pendingQueries = conn->GetPendingQueryCount();
if (!conn->GetConnected()) {
if (conn->GetShouldConnect()) {
ReportIdoCheck(checkable, commandObj, cr, producer, "Could not connect to the database server.", ServiceCritical);
} else {
ReportIdoCheck(
checkable, commandObj, cr, producer,
"Not currently enabled: Another cluster instance is responsible for the IDO database.", ServiceOK
);
}
return;
}
/* Schema versions. */
String schema_version = conn->GetSchemaVersion();
std::ostringstream msgbuf;
if (Utility::CompareVersion(conn->GetLatestSchemaVersion(), schema_version) < 0) {
msgbuf << "Outdated schema version: '" << schema_version << "'. Latest version: '"
<< conn->GetLatestSchemaVersion() << "'."
<< " Queries per second: " << std::fixed << std::setprecision(3) << qps
<< " Pending queries: " << std::fixed << std::setprecision(3) << pendingQueries << ".";
state = ServiceWarning;
} else {
msgbuf << "Connected to the database server (Schema version: '" << schema_version << "')."
<< " Queries per second: " << std::fixed << std::setprecision(3) << qps
<< " Pending queries: " << std::fixed << std::setprecision(3) << pendingQueries << ".";
state = ServiceOK;
}
if (conn->GetEnableHa()) {
double failoverTs = conn->GetLastFailover();
msgbuf << " Last failover: " << Utility::FormatDateTime("%Y-%m-%d %H:%M:%S %z", failoverTs) << ".";
}
/* Check whether the thresholds have been defined and match. */
if (missingQueriesCritical.IsEmpty() && qps < queriesCritical) {
msgbuf << " " << qps << " queries/s lower than critical threshold (" << queriesCritical << " queries/s).";
state = ServiceCritical;
} else if (missingQueriesWarning.IsEmpty() && qps < queriesWarning) {
msgbuf << " " << qps << " queries/s lower than warning threshold (" << queriesWarning << " queries/s).";
state = ServiceWarning;
}
if (missingPendingQueriesCritical.IsEmpty() && pendingQueries > pendingQueriesCritical) {
msgbuf << " " << pendingQueries << " pending queries greater than critical threshold ("
<< pendingQueriesCritical << " queries).";
state = ServiceCritical;
} else if (missingPendingQueriesWarning.IsEmpty() && pendingQueries > pendingQueriesWarning) {
msgbuf << " " << pendingQueries << " pending queries greater than warning threshold ("
<< pendingQueriesWarning << " queries).";
if (state == ServiceOK) {
state = ServiceWarning;
}
}
cr->SetPerformanceData(new Array({
{ new PerfdataValue("queries", qps, false, "", queriesWarning, queriesCritical) },
{ new PerfdataValue("queries_1min", conn->GetQueryCount(60)) },
{ new PerfdataValue("queries_5mins", conn->GetQueryCount(5 * 60)) },
{ new PerfdataValue("queries_15mins", conn->GetQueryCount(15 * 60)) },
{ new PerfdataValue("pending_queries", pendingQueries, false, "", pendingQueriesWarning, pendingQueriesCritical) }
}));
ReportIdoCheck(checkable, commandObj, cr, producer, msgbuf.str(), state);
}
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