293 lines
9.5 KiB
PHP
293 lines
9.5 KiB
PHP
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<?php
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/**
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* Icinga IDO Backend
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*
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* @package Icinga\Backend
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*/
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namespace Icinga\Backend;
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/**
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* This class provides an easy-to-use interface to the IDO database
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*
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* You should usually not directly use this class but go through Icinga\Backend.
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*
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* New MySQL indexes:
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* <code>
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* CREATE INDEX web2_index ON icinga_scheduleddowntime (object_id, is_in_effect);
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* CREATE INDEX web2_index ON icinga_comments (object_id);
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* CREATE INDEX web2_index ON icinga_objects (object_id, is_active); -- (not sure yet)
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* </code>
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*
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* Other possible (history-related) indexes, still subject to tests:
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* CREATE INDEX web2_index ON icinga_statehistory (object_id, state_time DESC);
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* CREATE INDEX web2_index ON icinga_notifications (object_id, instance_id, start_time DESC);
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* CREATE INDEX web2_index ON icinga_downtimehistory (object_id, actual_start_time, actual_end_time);
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*
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* @copyright Copyright (c) 2013 Icinga-Web Team <info@icinga.org>
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* @author Icinga-Web Team <info@icinga.org>
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* @package Icinga\Application
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* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
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*/
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class Ido extends AbstractBackend
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{
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protected $db;
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protected $dbtype;
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protected $prefix = 'icinga_';
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/**
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* Backend initialization starts here
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*
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* return void
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*/
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protected function init()
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{
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$this->connect();
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}
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/**
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* Get our Zend_Db connection
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*
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* return \Zend_Db_Adapter_Abstract
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*/
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public function getAdapter()
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{
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return $this->db;
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}
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public function getDbType()
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{
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return $this->dbtype;
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}
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/**
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* Get our IDO table prefix
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*
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* return string
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*/
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public function getPrefix()
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{
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return $this->prefix;
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}
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// TODO: Move elsewhere. Really? Reasons may be: other backends need IDO
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// access, even in environments running state details without IDO
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protected function connect()
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{
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$this->dbtype = $this->config->get('dbtype', 'mysql');
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$options = array(
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\Zend_Db::AUTO_QUOTE_IDENTIFIERS => false,
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\Zend_Db::CASE_FOLDING => \Zend_Db::CASE_LOWER
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);
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$drv_options = array(
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\PDO::ATTR_TIMEOUT => 2,
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// TODO: Check whether LC is useful. Zend_Db does fetchNum for Oci:
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\PDO::ATTR_CASE => \PDO::CASE_LOWER
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// TODO: ATTR_ERRMODE => ERRMODE_EXCEPTION vs ERRMODE_SILENT
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);
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switch ($this->dbtype) {
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case 'mysql':
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$adapter = 'Pdo_Mysql';
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$drv_options[\PDO::MYSQL_ATTR_INIT_COMMAND] =
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"SET SESSION SQL_MODE='STRICT_ALL_TABLES,NO_ZERO_IN_DATE,"
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. "NO_ZERO_DATE,NO_ENGINE_SUBSTITUTION';";
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// Not using ONLY_FULL_GROUP_BY as of performance impact
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// TODO: NO_ZERO_IN_DATE as been added with 5.1.11. Is it
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// ignored by other versions?
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$port = $this->config->get('port', 3306);
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break;
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case 'pgsql':
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$adapter = 'Pdo_Pgsql';
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$port = $this->config->get('port', 5432);
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break;
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case 'oracle':
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$adapter = 'Pdo_Oci';
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// $adapter = 'Oracle';
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$port = $this->config->get('port', 1521);
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// $drv_options[\PDO::ATTR_STRINGIFY_FETCHES] = true;
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if ($adapter === 'Oracle') {
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putenv('ORACLE_SID=XE');
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putenv('ORACLE_HOME=/u01/app/oracle/product/11.2.0/xe');
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putenv('PATH=$PATH:$ORACLE_HOME/bin');
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putenv('ORACLE_BASE=/u01/app/oracle');
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putenv('NLS_LANG=AMERICAN_AMERICA.UTF8');
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}
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$this->prefix = '';
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break;
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default:
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throw new \Exception(sprintf(
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'Backend "%s" is not supported', $type
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));
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}
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$attributes = array(
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'host' => $this->config->host,
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'port' => $port,
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'username' => $this->config->user,
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'password' => $this->config->pass,
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'dbname' => $this->config->db,
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'options' => $options,
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'driver_options' => $drv_options
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);
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if ($this->dbtype === 'oracle') {
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$attributes['persistent'] = true;
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}
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$this->db = \Zend_Db::factory($adapter, $attributes);
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if ($adapter === 'Oracle') {
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$this->db->setLobAsString(false);
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}
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$this->db->setFetchMode(\Zend_Db::FETCH_OBJ);
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// $this->db->setFetchMode(\Zend_Db::FETCH_ASSOC);
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}
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/// *** TODO: EVERYTHING BELOW THIS LINE WILL BE MOVED AWAY *** ///
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// UGLY temporary host fetch
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public function fetchHost($host)
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{
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$object = \Icinga\Objects\Service::fromBackend(
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$this->select()
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->from('servicelist')
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->where('so.name1 = ?', $host)
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->fetchRow()
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);
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$object->customvars = $this->fetchCustomvars($host);
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return $object;
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}
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// UGLY temporary service fetch
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public function fetchService($host, $service)
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{
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$object = \Icinga\Objects\Service::fromBackend(
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$this->select()
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->from('servicelist')
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->where('so.name1 = ?', $host)
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->where('so.name2 = ?', $service)
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->fetchRow()
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);
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$object->customvars = $this->fetchCustomvars($host, $service);
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return $object;
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}
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public function fetchCustomvars($host, $service = null)
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{
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if ($this->dbtype === 'oracle') return (object) array();
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$select = $this->db->select()->from(
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array('cv' => $this->prefix . 'customvariablestatus'),
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array(
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// 'host_name' => 'cvo.name1',
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// 'service_description' => 'cvo.name2',
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'name' => 'cv.varname',
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'value' => 'cv.varvalue',
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)
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)->join(
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array('cvo' => $this->prefix . 'objects'),
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'cvo.object_id = cv.object_id',
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array()
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);
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$select->where('name1 = ?', $host);
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if ($service === null) {
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$select->where('objecttype_id = 1');
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} else {
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$select->where('objecttype_id = 1');
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$select->where('name2 = ?', $service);
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}
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$select->where('is_active = 1')->order('cv.varname');
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return (object) $this->db->fetchPairs($select);
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}
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// TODO: Move to module!
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public function fetchHardStatesForBpHosts($hosts)
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{
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return $this->fetchStatesForBp($hosts, 'last_hard_state');
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}
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public function fetchSoftStatesForBpHosts($hosts)
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{
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return $this->fetchStatesForBp($hosts, 'current_state');
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}
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public function fetchStatesForBp($hosts, $state_column = 'last_hard_state')
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{
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$select_hosts = $this->db->select()->from(
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array('hs' => $this->prefix . 'hoststatus'),
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array(
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'state' => 'hs.' . $state_column,
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'ack' => 'hs.problem_has_been_acknowledged',
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'in_downtime' => 'CASE WHEN (d.object_id IS NULL) THEN 0 ELSE 1 END',
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'combined' => 'hs.current_state << 2 + hs.problem_has_been_acknowledged << 1 + CASE WHEN (d.object_id IS NULL) THEN 0 ELSE 1 END'
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)
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)->joinRight(
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array('o' => $this->prefix . 'objects'),
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'hs.host_object_id = o.object_id',
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array(
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'object_id' => 'o.object_id',
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'hostname' => 'o.name1',
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'service' => '(NULL)'
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)
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)->joinLeft(
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array('d' => $this->prefix . 'scheduleddowntime'),
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'o.object_id = d.object_id'
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. ' AND d.was_started = 1'
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. ' AND d.scheduled_end_time > NOW()'
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. ' AND d.actual_start_time < NOW()',
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array()
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)->where('o.name1 IN (?)', $hosts)
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->where('o.objecttype_id = 1')
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->where('o.is_active = 1');
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$select_services = $this->db->select()->from(
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array('ss' => $this->prefix . 'servicestatus'),
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array(
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'state' => 'ss.' . $state_column,
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'ack' => 'ss.problem_has_been_acknowledged',
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'in_downtime' => 'CASE WHEN (d.object_id IS NULL) THEN 0 ELSE 1 END',
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'combined' => 'ss.current_state << 2 + ss.problem_has_been_acknowledged << 1 + CASE WHEN (d.object_id IS NULL) THEN 0 ELSE 1 END'
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)
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)->joinRight(
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array('o' => $this->prefix . 'objects'),
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'ss.service_object_id = o.object_id',
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array(
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'object_id' => 'o.object_id',
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'hostname' => 'o.name1',
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'service' => 'o.name2'
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)
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)->joinLeft(
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array('d' => $this->prefix . 'scheduleddowntime'),
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'o.object_id = d.object_id'
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. ' AND d.was_started = 1'
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. ' AND d.scheduled_end_time > NOW()'
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. ' AND d.actual_start_time < NOW()',
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array()
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)->where('o.name1 IN (?)', $hosts)
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->where('o.is_active = 1')
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->where('o.objecttype_id = 2');
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$union = $this->db->select()->union(
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array(
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'(' . $select_hosts . ')', // ZF-4338 :-(
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'(' . $select_services . ')',
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),
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// At least on MySQL UNION ALL seems to be faster than UNION in
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// most situations, as it doesn't care about duplicates
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\Zend_Db_Select::SQL_UNION_ALL
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)->order('hostname')->order('service');
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return $this->db->fetchAll($union);
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}
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}
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