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<?php
namespace Icinga\Module\Director\Db;
use Icinga\Exception\NotFoundError;
use Icinga\Module\Director\Db;
class Housekeeping
{
/**
* @var Db
*/
protected $connection;
/**
* @var \Zend_Db_Adapter_Abstract
*/
protected $db;
/**
* @var int
*/
protected $version;
public function __construct(Db $connection)
{
$this->connection = $connection;
$this->db = $connection->getDbAdapter();
}
public function getTaskSummary()
{
$summary = array();
foreach ($this->listTasks() as $name => $title) {
$func = 'count' . ucfirst($name);
$summary[$name] = (object) array(
'name' => $name,
'title' => $title,
'count' => $this->$func()
);
}
return $summary;
}
public function listTasks()
{
return array(
'oldUndeployedConfigs' => N_('Undeployed configurations'),
'unusedFiles' => N_('Unused rendered files'),
'unlinkedImportedRowSets' => N_('Unlinked imported row sets'),
'unlinkedImportedRows' => N_('Unlinked imported rows'),
'unlinkedImportedProperties' => N_('Unlinked imported properties'),
'resolveCache' => N_('(Host) group resolve cache'),
);
}
public function getPendingTaskSummary()
{
return array_filter(
$this->getTaskSummary(),
function ($task) {
return $task->count > 0;
}
);
}
public function hasPendingTasks()
{
return count($this->getPendingTaskSummary()) > 0;
}
public function runAllTasks()
{
$result = array();
foreach ($this->listTasks() as $name => $task) {
$this->runTask($name);
}
return $this;
}
public function runTask($name)
{
$func = 'wipe' . ucfirst($name);
if (!method_exists($this, $func)) {
throw new NotFoundError(
'There is no such task: %s',
$name
);
}
return $this->$func();
}
public function countOldUndeployedConfigs()
{
$conn = $this->connection;
$lastActivity = $conn->getLastActivityChecksum();
$sql = 'SELECT COUNT(*) FROM director_generated_config c'
. ' LEFT JOIN director_deployment_log d ON c.checksum = d.config_checksum'
. ' WHERE d.config_checksum IS NULL'
. ' AND ? != ' . $conn->dbHexFunc('c.last_activity_checksum');
return $this->db->fetchOne($sql, $lastActivity);
}
public function wipeOldUndeployedConfigs()
{
$conn = $this->connection;
$lastActivity = $conn->getLastActivityChecksum();
if ($this->connection->isPgsql()) {
$sql = 'DELETE FROM director_generated_config'
. ' USING director_generated_config AS c'
. ' LEFT JOIN director_deployment_log d ON c.checksum = d.config_checksum'
. ' WHERE director_generated_config.checksum = c.checksum'
. ' AND d.config_checksum IS NULL'
. ' AND ? != ' . $conn->dbHexFunc('c.last_activity_checksum');
} else {
$sql = 'DELETE c.* FROM director_generated_config c'
. ' LEFT JOIN director_deployment_log d ON c.checksum = d.config_checksum'
. ' WHERE d.config_checksum IS NULL'
. ' AND ? != ' . $conn->dbHexFunc('c.last_activity_checksum');
}
return $this->db->query($sql, $lastActivity);
}
public function countUnusedFiles()
{
$sql = 'SELECT COUNT(*) FROM director_generated_file f'
. ' LEFT JOIN director_generated_config_file cf ON f.checksum = cf.file_checksum'
. ' WHERE cf.file_checksum IS NULL';
return $this->db->fetchOne($sql);
}
public function wipeUnusedFiles()
{
if ($this->connection->isPgsql()) {
$sql = 'DELETE FROM director_generated_file'
. ' USING director_generated_file AS f'
. ' LEFT JOIN director_generated_config_file cf ON f.checksum = cf.file_checksum'
. ' WHERE director_generated_file.checksum = f.checksum'
. ' AND cf.file_checksum IS NULL';
} else {
$sql = 'DELETE f FROM director_generated_file f'
. ' LEFT JOIN director_generated_config_file cf ON f.checksum = cf.file_checksum'
. ' WHERE cf.file_checksum IS NULL';
}
return $this->db->exec($sql);
}
public function countUnlinkedImportedRowSets()
{
$sql = 'SELECT COUNT(*) FROM imported_rowset rs LEFT JOIN import_run r'
. ' ON r.rowset_checksum = rs.checksum WHERE r.id IS NULL';
return $this->db->fetchOne($sql);
}
public function wipeUnlinkedImportedRowSets()
{
// This one removes imported_rowset and imported_rowset_row
// entries no longer used by any historic import<F12>
if ($this->connection->isPgsql()) {
$sql = 'DELETE FROM imported_rowset'
. ' USING imported_rowset AS rs'
. ' LEFT JOIN import_run r ON r.rowset_checksum = rs.checksum'
. ' WHERE imported_rowset.checksum = rs.checksum'
. ' AND r.id IS NULL';
} else {
$sql = 'DELETE rs.* FROM imported_rowset rs'
. ' LEFT JOIN import_run r ON r.rowset_checksum = rs.checksum'
. ' WHERE r.id IS NULL';
}
return $this->db->exec($sql);
}
public function countUnlinkedImportedRows()
{
$sql = 'SELECT COUNT(*) FROM imported_row r LEFT JOIN imported_rowset_row rsr'
. ' ON rsr.row_checksum = r.checksum WHERE rsr.row_checksum IS NULL';
return $this->db->fetchOne($sql);
}
public function wipeUnlinkedImportedRows()
{
// This query removes imported_row and imported_row_property columns
// without related rowset
if ($this->connection->isPgsql()) {
$sql = 'DELETE FROM imported_row'
. ' USING imported_row AS r'
. ' LEFT JOIN imported_rowset_row rsr ON rsr.row_checksum = r.checksum'
. ' WHERE imported_row.checksum = r.checksum'
. ' AND rsr.row_checksum IS NULL';
} else {
$sql = 'DELETE r.* FROM imported_row r'
. ' LEFT JOIN imported_rowset_row rsr ON rsr.row_checksum = r.checksum'
. ' WHERE rsr.row_checksum IS NULL';
}
return $this->db->exec($sql);
}
public function countUnlinkedImportedProperties()
{
$sql = 'SELECT COUNT(*) FROM imported_property p LEFT JOIN imported_row_property rp'
. ' ON rp.property_checksum = p.checksum WHERE rp.property_checksum IS NULL';
return $this->db->fetchOne($sql);
}
public function wipeUnlinkedImportedProperties()
{
// This query removes unlinked imported properties
if ($this->connection->isPgsql()) {
$sql = 'DELETE FROM imported_property'
. ' USING imported_property AS p'
. ' LEFT JOIN imported_row_property rp ON rp.property_checksum = p.checksum'
. ' WHERE imported_property.checksum = p.checksum'
. ' AND rp.property_checksum IS NULL';
} else {
$sql = 'DELETE p.* FROM imported_property p'
. ' LEFT JOIN imported_row_property rp ON rp.property_checksum = p.checksum'
. ' WHERE rp.property_checksum IS NULL';
}
return $this->db->exec($sql);
}
public function countResolveCache()
{
$helper = MembershipHousekeeping::instance('host', $this->connection);
return array_sum($helper->check());
}
public function wipeResolveCache()
{
$helper = MembershipHousekeeping::instance('host', $this->connection);
return $helper->update();
}
}
|
