diff options
Diffstat (limited to 'lib/methods/clusterzonechecktask.cpp')
| -rw-r--r-- | lib/methods/clusterzonechecktask.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/lib/methods/clusterzonechecktask.cpp b/lib/methods/clusterzonechecktask.cpp new file mode 100644 index 0000000..fd52534 --- /dev/null +++ b/lib/methods/clusterzonechecktask.cpp @@ -0,0 +1,218 @@ +/* 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:resolvedMacros:useResolvedMacros"); + +void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, + 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); + } + + 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); + } + + 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); + } + 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); + } +} |