icinga2/lib/livestatus/statehisttable.cpp

484 lines
18 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "livestatus/statehisttable.hpp"
#include "livestatus/livestatuslogutility.hpp"
#include "livestatus/hoststable.hpp"
#include "livestatus/servicestable.hpp"
#include "livestatus/contactstable.hpp"
#include "livestatus/commandstable.hpp"
#include "icinga/icingaapplication.hpp"
#include "icinga/cib.hpp"
#include "icinga/service.hpp"
#include "icinga/host.hpp"
#include "icinga/user.hpp"
#include "icinga/checkcommand.hpp"
#include "icinga/eventcommand.hpp"
#include "icinga/notificationcommand.hpp"
#include "base/convert.hpp"
#include "base/utility.hpp"
#include "base/logger.hpp"
#include "base/application.hpp"
#include "base/objectlock.hpp"
#include <boost/foreach.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <fstream>
using namespace icinga;
StateHistTable::StateHistTable(const String& compat_log_path, time_t from, time_t until)
{
/* store attributes for FetchRows */
m_TimeFrom = from;
m_TimeUntil = until;
m_CompatLogPath = compat_log_path;
AddColumns(this);
}
void StateHistTable::UpdateLogEntries(const Dictionary::Ptr& log_entry_attrs, int line_count, int lineno, const AddRowFunction& addRowFn)
{
unsigned int time = log_entry_attrs->Get("time");
String host_name = log_entry_attrs->Get("host_name");
String service_description = log_entry_attrs->Get("service_description");
unsigned long state = log_entry_attrs->Get("state");
int log_type = log_entry_attrs->Get("log_type");
String state_type = log_entry_attrs->Get("state_type"); //SOFT, HARD, STARTED, STOPPED, ...
String log_line = log_entry_attrs->Get("message"); /* use message from log table */
Checkable::Ptr checkable;
if (service_description.IsEmpty())
checkable = Host::GetByName(host_name);
else
checkable = Service::GetByNamePair(host_name, service_description);
/* invalid log line for state history */
if (!checkable)
return;
Array::Ptr state_hist_service_states;
Dictionary::Ptr state_hist_bag;
unsigned long query_part = m_TimeUntil - m_TimeFrom;
/* insert new service states array with values if not existing */
if (m_CheckablesCache.find(checkable) == m_CheckablesCache.end()) {
/* create new values */
state_hist_service_states = new Array();
state_hist_bag = new Dictionary();
Service::Ptr service = dynamic_pointer_cast<Service>(checkable);
Host::Ptr host;
if (service)
host = service->GetHost();
else
host = static_pointer_cast<Host>(checkable);
state_hist_bag->Set("host_name", host->GetName());
if (service)
state_hist_bag->Set("service_description", service->GetShortName());
state_hist_bag->Set("state", state);
state_hist_bag->Set("in_downtime", 0);
state_hist_bag->Set("in_host_downtime", 0);
state_hist_bag->Set("in_notification_period", 1); // assume "always"
state_hist_bag->Set("is_flapping", 0);
state_hist_bag->Set("time", time);
state_hist_bag->Set("lineno", lineno);
state_hist_bag->Set("log_output", log_line); /* complete line */
state_hist_bag->Set("from", time); /* starting at current timestamp */
state_hist_bag->Set("until", time); /* will be updated later on state change */
state_hist_bag->Set("query_part", query_part); /* required for _part calculations */
state_hist_service_states->Add(state_hist_bag);
Log(LogDebug, "StateHistTable")
<< "statehist: Adding new object '" << checkable->GetName() << "' to services cache.";
} else {
state_hist_service_states = m_CheckablesCache[checkable];
state_hist_bag = state_hist_service_states->Get(state_hist_service_states->GetLength()-1); /* fetch latest state from history */
/* state duration */
/* determine service notifications notification_period and compare against current timestamp */
bool in_notification_period = true;
String notification_period_name;
BOOST_FOREACH(const Notification::Ptr& notification, checkable->GetNotifications()) {
TimePeriod::Ptr notification_period = notification->GetPeriod();
if (notification_period) {
if (notification_period->IsInside(static_cast<double>(time)))
in_notification_period = true;
else
in_notification_period = false;
notification_period_name = notification_period->GetName(); // last one wins
} else
in_notification_period = true; // assume "always"
}
/* check for state changes, flapping & downtime start/end */
switch (log_type) {
case LogEntryTypeHostAlert:
case LogEntryTypeHostInitialState:
case LogEntryTypeHostCurrentState:
case LogEntryTypeServiceAlert:
case LogEntryTypeServiceInitialState:
case LogEntryTypeServiceCurrentState:
if (state != state_hist_bag->Get("state")) {
/* 1. seal old state_hist_bag */
state_hist_bag->Set("until", time); /* add until record for duration calculation */
/* 2. add new state_hist_bag */
Dictionary::Ptr state_hist_bag_new = new Dictionary();
state_hist_bag_new->Set("host_name", state_hist_bag->Get("host_name"));
state_hist_bag_new->Set("service_description", state_hist_bag->Get("service_description"));
state_hist_bag_new->Set("state", state);
state_hist_bag_new->Set("in_downtime", state_hist_bag->Get("in_downtime")); // keep value from previous state!
state_hist_bag_new->Set("in_host_downtime", state_hist_bag->Get("in_host_downtime")); // keep value from previous state!
state_hist_bag_new->Set("in_notification_period", (in_notification_period ? 1 : 0));
state_hist_bag_new->Set("notification_period", notification_period_name);
state_hist_bag_new->Set("is_flapping", state_hist_bag->Get("is_flapping")); // keep value from previous state!
state_hist_bag_new->Set("time", time);
state_hist_bag_new->Set("lineno", lineno);
state_hist_bag_new->Set("log_output", log_line); /* complete line */
state_hist_bag_new->Set("from", time); /* starting at current timestamp */
state_hist_bag_new->Set("until", time + 1); /* will be updated later */
state_hist_bag_new->Set("query_part", query_part);
state_hist_service_states->Add(state_hist_bag_new);
Log(LogDebug, "StateHistTable")
<< "statehist: State change detected for object '" << checkable->GetName() << "' in '" << log_line << "'.";
}
break;
case LogEntryTypeHostFlapping:
case LogEntryTypeServiceFlapping:
if (state_type == "STARTED")
state_hist_bag->Set("is_flapping", 1);
else if (state_type == "STOPPED" || state_type == "DISABLED")
state_hist_bag->Set("is_flapping", 0);
break;
break;
case LogEntryTypeHostDowntimeAlert:
case LogEntryTypeServiceDowntimeAlert:
if (state_type == "STARTED") {
state_hist_bag->Set("in_downtime", 1);
if (log_type == LogEntryTypeHostDowntimeAlert)
state_hist_bag->Set("in_host_downtime", 1);
}
else if (state_type == "STOPPED" || state_type == "CANCELLED") {
state_hist_bag->Set("in_downtime", 0);
if (log_type == LogEntryTypeHostDowntimeAlert)
state_hist_bag->Set("in_host_downtime", 0);
}
break;
default:
//nothing to update
break;
}
}
m_CheckablesCache[checkable] = state_hist_service_states;
/* TODO find a way to directly call addRowFn() - right now m_ServicesCache depends on historical lines ("already seen service") */
}
void StateHistTable::AddColumns(Table *table, const String& prefix,
const Column::ObjectAccessor& objectAccessor)
{
table->AddColumn(prefix + "time", Column(&StateHistTable::TimeAccessor, objectAccessor));
table->AddColumn(prefix + "lineno", Column(&StateHistTable::LinenoAccessor, objectAccessor));
table->AddColumn(prefix + "from", Column(&StateHistTable::FromAccessor, objectAccessor));
table->AddColumn(prefix + "until", Column(&StateHistTable::UntilAccessor, objectAccessor));
table->AddColumn(prefix + "duration", Column(&StateHistTable::DurationAccessor, objectAccessor));
table->AddColumn(prefix + "duration_part", Column(&StateHistTable::DurationPartAccessor, objectAccessor));
table->AddColumn(prefix + "state", Column(&StateHistTable::StateAccessor, objectAccessor));
table->AddColumn(prefix + "host_down", Column(&StateHistTable::HostDownAccessor, objectAccessor));
table->AddColumn(prefix + "in_downtime", Column(&StateHistTable::InDowntimeAccessor, objectAccessor));
table->AddColumn(prefix + "in_host_downtime", Column(&StateHistTable::InHostDowntimeAccessor, objectAccessor));
table->AddColumn(prefix + "is_flapping", Column(&StateHistTable::IsFlappingAccessor, objectAccessor));
table->AddColumn(prefix + "in_notification_period", Column(&StateHistTable::InNotificationPeriodAccessor, objectAccessor));
table->AddColumn(prefix + "notification_period", Column(&StateHistTable::NotificationPeriodAccessor, objectAccessor));
table->AddColumn(prefix + "debug_info", Column(&Table::EmptyStringAccessor, objectAccessor));
table->AddColumn(prefix + "host_name", Column(&StateHistTable::HostNameAccessor, objectAccessor));
table->AddColumn(prefix + "service_description", Column(&StateHistTable::ServiceDescriptionAccessor, objectAccessor));
table->AddColumn(prefix + "log_output", Column(&StateHistTable::LogOutputAccessor, objectAccessor));
table->AddColumn(prefix + "duration_ok", Column(&StateHistTable::DurationOkAccessor, objectAccessor));
table->AddColumn(prefix + "duration_part_ok", Column(&StateHistTable::DurationPartOkAccessor, objectAccessor));
table->AddColumn(prefix + "duration_warning", Column(&StateHistTable::DurationWarningAccessor, objectAccessor));
table->AddColumn(prefix + "duration_part_warning", Column(&StateHistTable::DurationPartWarningAccessor, objectAccessor));
table->AddColumn(prefix + "duration_critical", Column(&StateHistTable::DurationCriticalAccessor, objectAccessor));
table->AddColumn(prefix + "duration_part_critical", Column(&StateHistTable::DurationPartCriticalAccessor, objectAccessor));
table->AddColumn(prefix + "duration_unknown", Column(&StateHistTable::DurationUnknownAccessor, objectAccessor));
table->AddColumn(prefix + "duration_part_unknown", Column(&StateHistTable::DurationPartUnknownAccessor, objectAccessor));
table->AddColumn(prefix + "duration_unmonitored", Column(&StateHistTable::DurationUnmonitoredAccessor, objectAccessor));
table->AddColumn(prefix + "duration_part_unmonitored", Column(&StateHistTable::DurationPartUnmonitoredAccessor, objectAccessor));
HostsTable::AddColumns(table, "current_host_", boost::bind(&StateHistTable::HostAccessor, _1, objectAccessor));
ServicesTable::AddColumns(table, "current_service_", boost::bind(&StateHistTable::ServiceAccessor, _1, objectAccessor));
}
String StateHistTable::GetName(void) const
{
return "log";
}
String StateHistTable::GetPrefix(void) const
{
return "log";
}
void StateHistTable::FetchRows(const AddRowFunction& addRowFn)
{
Log(LogDebug, "StateHistTable")
<< "Pre-selecting log file from " << m_TimeFrom << " until " << m_TimeUntil;
/* create log file index */
LivestatusLogUtility::CreateLogIndex(m_CompatLogPath, m_LogFileIndex);
/* generate log cache */
LivestatusLogUtility::CreateLogCache(m_LogFileIndex, this, m_TimeFrom, m_TimeUntil, addRowFn);
Checkable::Ptr checkable;
BOOST_FOREACH(boost::tie(checkable, boost::tuples::ignore), m_CheckablesCache) {
BOOST_FOREACH(const Dictionary::Ptr& state_hist_bag, m_CheckablesCache[checkable]) {
/* pass a dictionary from state history array */
if (!addRowFn(state_hist_bag, LivestatusGroupByNone, Empty))
return;
}
}
}
Object::Ptr StateHistTable::HostAccessor(const Value& row, const Column::ObjectAccessor&)
{
String host_name = static_cast<Dictionary::Ptr>(row)->Get("host_name");
if (host_name.IsEmpty())
return Object::Ptr();
return Host::GetByName(host_name);
}
Object::Ptr StateHistTable::ServiceAccessor(const Value& row, const Column::ObjectAccessor&)
{
String host_name = static_cast<Dictionary::Ptr>(row)->Get("host_name");
String service_description = static_cast<Dictionary::Ptr>(row)->Get("service_description");
if (service_description.IsEmpty() || host_name.IsEmpty())
return Object::Ptr();
return Service::GetByNamePair(host_name, service_description);
}
Value StateHistTable::TimeAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("time");
}
Value StateHistTable::LinenoAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("lineno");
}
Value StateHistTable::FromAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("from");
}
Value StateHistTable::UntilAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("until");
}
Value StateHistTable::DurationAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
return (state_hist_bag->Get("until") - state_hist_bag->Get("from"));
}
Value StateHistTable::DurationPartAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
return (state_hist_bag->Get("until") - state_hist_bag->Get("from")) / state_hist_bag->Get("query_part");
}
Value StateHistTable::StateAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("state");
}
Value StateHistTable::HostDownAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("host_down");
}
Value StateHistTable::InDowntimeAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("in_downtime");
}
Value StateHistTable::InHostDowntimeAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("in_host_downtime");
}
Value StateHistTable::IsFlappingAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("is_flapping");
}
Value StateHistTable::InNotificationPeriodAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("in_notification_period");
}
Value StateHistTable::NotificationPeriodAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("notification_period");
}
Value StateHistTable::HostNameAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("host_name");
}
Value StateHistTable::ServiceDescriptionAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("service_description");
}
Value StateHistTable::LogOutputAccessor(const Value& row)
{
return static_cast<Dictionary::Ptr>(row)->Get("log_output");
}
Value StateHistTable::DurationOkAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceOK)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from"));
return 0;
}
Value StateHistTable::DurationPartOkAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceOK)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from")) / state_hist_bag->Get("query_part");
return 0;
}
Value StateHistTable::DurationWarningAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceWarning)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from"));
return 0;
}
Value StateHistTable::DurationPartWarningAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceWarning)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from")) / state_hist_bag->Get("query_part");
return 0;
}
Value StateHistTable::DurationCriticalAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceCritical)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from"));
return 0;
}
Value StateHistTable::DurationPartCriticalAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceCritical)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from")) / state_hist_bag->Get("query_part");
return 0;
}
Value StateHistTable::DurationUnknownAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceUnknown)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from"));
return 0;
}
Value StateHistTable::DurationPartUnknownAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == ServiceUnknown)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from")) / state_hist_bag->Get("query_part");
return 0;
}
Value StateHistTable::DurationUnmonitoredAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == -1)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from"));
return 0;
}
Value StateHistTable::DurationPartUnmonitoredAccessor(const Value& row)
{
Dictionary::Ptr state_hist_bag = static_cast<Dictionary::Ptr>(row);
if (state_hist_bag->Get("state") == -1)
return (state_hist_bag->Get("until") - state_hist_bag->Get("from")) / state_hist_bag->Get("query_part");
return 0;
}