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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "methods/clusterzonechecktask.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"
using namespace icinga;
REGISTER_FUNCTION_NONCONST(Internal, ClusterZoneCheck, &ClusterZoneCheckTask::ScriptFunc, "checkable:cr:producer:resolvedMacros:useResolvedMacros");
void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
const WaitGroup::Ptr& producer, const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
REQUIRE_NOT_NULL(checkable);
REQUIRE_NOT_NULL(cr);
ApiListener::Ptr listener = ApiListener::GetInstance();
CheckCommand::Ptr command = CheckCommand::ExecuteOverride ? CheckCommand::ExecuteOverride : checkable->GetCheckCommand();
String commandName = command->GetName();
if (!listener) {
String output = "No API listener is configured for this instance.";
ServiceState state = ServiceUnknown;
if (Checkable::ExecuteCommandProcessFinishedHandler) {
double now = Utility::GetTime();
ProcessResult pr;
pr.PID = -1;
pr.Output = output;
pr.ExecutionStart = now;
pr.ExecutionEnd = now;
pr.ExitStatus = state;
Checkable::ExecuteCommandProcessFinishedHandler(commandName, pr);
} else {
cr->SetCommand(commandName);
cr->SetOutput(output);
cr->SetState(state);
checkable->ProcessCheckResult(cr, producer);
}
return;
}
Value raw_command = command->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", command);
String zoneName = MacroProcessor::ResolveMacros("$cluster_zone$", resolvers, checkable->GetLastCheckResult(),
nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
String missingLagWarning;
String missingLagCritical;
double lagWarning = MacroProcessor::ResolveMacros("$cluster_lag_warning$", resolvers, checkable->GetLastCheckResult(),
&missingLagWarning, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
double lagCritical = MacroProcessor::ResolveMacros("$cluster_lag_critical$", resolvers, checkable->GetLastCheckResult(),
&missingLagCritical, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);
if (resolvedMacros && !useResolvedMacros)
return;
if (zoneName.IsEmpty()) {
String output = "Macro 'cluster_zone' must be set.";
ServiceState state = ServiceUnknown;
if (Checkable::ExecuteCommandProcessFinishedHandler) {
double now = Utility::GetTime();
ProcessResult pr;
pr.PID = -1;
pr.Output = output;
pr.ExecutionStart = now;
pr.ExecutionEnd = now;
pr.ExitStatus = state;
Checkable::ExecuteCommandProcessFinishedHandler(commandName, pr);
} else {
cr->SetCommand(commandName);
cr->SetOutput(output);
cr->SetState(state);
checkable->ProcessCheckResult(cr, producer);
}
return;
}
Zone::Ptr zone = Zone::GetByName(zoneName);
if (!zone) {
String output = "Zone '" + zoneName + "' does not exist.";
ServiceState state = ServiceUnknown;
if (Checkable::ExecuteCommandProcessFinishedHandler) {
double now = Utility::GetTime();
ProcessResult pr;
pr.PID = -1;
pr.Output = output;
pr.ExecutionStart = now;
pr.ExecutionEnd = now;
pr.ExitStatus = state;
Checkable::ExecuteCommandProcessFinishedHandler(commandName, pr);
} else {
cr->SetCommand(commandName);
cr->SetOutput(output);
cr->SetState(state);
checkable->ProcessCheckResult(cr, producer);
}
return;
}
bool connected = false;
double zoneLag = 0;
double lastMessageSent = 0;
double lastMessageReceived = 0;
double messagesSentPerSecond = 0;
double messagesReceivedPerSecond = 0;
double bytesSentPerSecond = 0;
double bytesReceivedPerSecond = 0;
{
auto endpoints (zone->GetEndpoints());
for (const Endpoint::Ptr& endpoint : endpoints) {
if (endpoint->GetConnected())
connected = true;
double eplag = ApiListener::CalculateZoneLag(endpoint);
if (eplag > 0 && eplag > zoneLag)
zoneLag = eplag;
if (endpoint->GetLastMessageSent() > lastMessageSent)
lastMessageSent = endpoint->GetLastMessageSent();
if (endpoint->GetLastMessageReceived() > lastMessageReceived)
lastMessageReceived = endpoint->GetLastMessageReceived();
messagesSentPerSecond += endpoint->GetMessagesSentPerSecond();
messagesReceivedPerSecond += endpoint->GetMessagesReceivedPerSecond();
bytesSentPerSecond += endpoint->GetBytesSentPerSecond();
bytesReceivedPerSecond += endpoint->GetBytesReceivedPerSecond();
}
if (!connected && endpoints.size() == 1u && *endpoints.begin() == Endpoint::GetLocalEndpoint()) {
connected = true;
}
}
ServiceState state;
String output;
if (connected) {
state = ServiceOK;
output = "Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag);
/* Check whether the thresholds have been resolved and compare them */
if (missingLagCritical.IsEmpty() && zoneLag > lagCritical) {
state = ServiceCritical;
output = "Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag)
+ " greater than critical threshold: " + Utility::FormatDuration(lagCritical);
} else if (missingLagWarning.IsEmpty() && zoneLag > lagWarning) {
state = ServiceWarning;
output = "Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag)
+ " greater than warning threshold: " + Utility::FormatDuration(lagWarning);
}
} else {
state = ServiceCritical;
output = "Zone '" + zoneName + "' is not connected. Log lag: " + Utility::FormatDuration(zoneLag);
}
if (Checkable::ExecuteCommandProcessFinishedHandler) {
double now = Utility::GetTime();
ProcessResult pr;
pr.PID = -1;
pr.Output = output;
pr.ExecutionStart = now;
pr.ExecutionEnd = now;
pr.ExitStatus = state;
Checkable::ExecuteCommandProcessFinishedHandler(commandName, pr);
} else {
cr->SetCommand(commandName);
cr->SetState(state);
cr->SetOutput(output);
cr->SetPerformanceData(new Array({
new PerfdataValue("slave_lag", zoneLag, false, "s", lagWarning, lagCritical),
new PerfdataValue("last_messages_sent", lastMessageSent),
new PerfdataValue("last_messages_received", lastMessageReceived),
new PerfdataValue("sum_messages_sent_per_second", messagesSentPerSecond),
new PerfdataValue("sum_messages_received_per_second", messagesReceivedPerSecond),
new PerfdataValue("sum_bytes_sent_per_second", bytesSentPerSecond),
new PerfdataValue("sum_bytes_received_per_second", bytesReceivedPerSecond)
}));
checkable->ProcessCheckResult(cr, producer);
}
}
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