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Icingadb/CustomVarRenderer: Add error handling
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@raviks789
raviks789 committed Aug 30, 2024
1 parent a1d15b3 commit bb7d5c0
Showing 1 changed file with 171 additions and 146 deletions.
317 changes: 171 additions & 146 deletions library/Director/ProvidedHook/Icingadb/CustomVarRenderer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,11 @@

namespace Icinga\Module\Director\ProvidedHook\Icingadb;

use Exception;
use Icinga\Application\Config;
use Icinga\Exception\ConfigurationError;
use Icinga\Exception\NotFoundError;
use Icinga\Module\Director\Daemon\Logger;
use Icinga\Module\Director\Db;
use Icinga\Module\Director\Db\AppliedServiceSetLoader;
use Icinga\Module\Director\Objects\IcingaHost;
Expand Down Expand Up @@ -61,186 +63,209 @@ protected function db(): Db

public function prefetchForObject(Model $object): bool
{
if ($object instanceof Host) {
$host = $object;
$service = null;
} elseif ($object instanceof Service) {
$host = $object->host;
$service = $object;
} else {
return false;
}
try {
if ($object instanceof Host) {
$host = $object;
$service = null;
} elseif ($object instanceof Service) {
$host = $object->host;
$service = $object;
} else {
return false;
}

$db = $this->db();

try {
$directorHostObj = IcingaHost::load($host->name, $db);
$directorServiceObj = null;
if ($service !== null) {
$serviceOrigin = ['direct', 'applied', 'inherited', 'service-set'];
$serviceName = $service->name;
$i = 0;
do {
if ($i > 3) {
Logger::error("Failed to find service '%s' on host '%s'", $serviceName, $host->name);

return false;
} elseif ($serviceOrigin[$i] === 'direct') {
$directorServiceObj = IcingaService::loadOptional([
'host_id' => $directorHostObj->get('id'),
'object_name' => $serviceName
], $db);
} elseif ($serviceOrigin[$i] === 'inherited') {
$templateResolver = new IcingaTemplateResolver($directorHostObj);

$parentIds = $templateResolver->listParentIds();

$query = $db->getDbAdapter()->select()->from('icinga_service')
->where('object_name = ?', $serviceName)
->where('host_id IN (?)', $parentIds);

$directorServices = IcingaService::loadAll(
$db,
$query,
'object_name'
);

$db = $this->db();
$directorServiceObj = current($directorServices);
} elseif ($serviceOrigin[$i] === 'applied') {
$appliedFilterQuery = IcingaHostAppliedServicesTable::load($directorHostObj)->getQuery();

try {
$directorHostObj = IcingaHost::load($host->name, $db);
$directorServiceObj = null;
if ($service !== null) {
$serviceOrigin = ['direct', 'applied', 'inherited', 'service-set'];
$serviceName = $service->name;
$i = 0;
do {
if ($i > 3) {
return false;
} elseif ($serviceOrigin[$i] === 'direct') {
$directorServiceObj = IcingaService::loadOptional([
'host_id' => $directorHostObj->get('id'),
'object_name' => $serviceName
], $db);
} elseif ($serviceOrigin[$i] === 'inherited') {
$templateResolver = new IcingaTemplateResolver($directorHostObj);

$parentIds = $templateResolver->listParentIds();

$query = $db->getDbAdapter()->select()->from('icinga_service')
->where('object_name = ?', $serviceName)
->where('host_id IN (?)', $parentIds);

$directorServices = IcingaService::loadAll(
$db,
$query,
'object_name'
);

$directorServiceObj = current($directorServices);
} elseif ($serviceOrigin[$i] === 'applied') {
$appliedFilterQuery = IcingaHostAppliedServicesTable::load($directorHostObj)->getQuery();

foreach ($appliedFilterQuery->fetchAll() as $appliedService) {
if ($appliedService->name === $serviceName) {

$query = $db->getDbAdapter()->select()->from('icinga_service')
->where('object_name = ?', $serviceName)
->where("object_type = 'apply'")
->where('assign_filter = ?', $appliedService->assign_filter);

$directorAppliedServices = IcingaService::loadAll(
$db,
$query,
'object_name'
);

$directorServiceObj = current($directorAppliedServices);

break;
foreach ($appliedFilterQuery->fetchAll() as $appliedService) {
if ($appliedService->name === $serviceName) {

$query = $db->getDbAdapter()->select()->from('icinga_service')
->where('object_name = ?', $serviceName)
->where("object_type = 'apply'")
->where('assign_filter = ?', $appliedService->assign_filter);

$directorAppliedServices = IcingaService::loadAll(
$db,
$query,
'object_name'
);

$directorServiceObj = current($directorAppliedServices);

break;
}
}
}
} elseif ($serviceOrigin[$i] === 'service-set') {
$templateResolver = new IcingaTemplateResolver($directorHostObj);
} elseif ($serviceOrigin[$i] === 'service-set') {
$templateResolver = new IcingaTemplateResolver($directorHostObj);

$hostServiceSets = $directorHostObj->fetchServiceSets()
+ AppliedServiceSetLoader::fetchForHost($directorHostObj);
$hostServiceSets = $directorHostObj->fetchServiceSets()
+ AppliedServiceSetLoader::fetchForHost($directorHostObj);

$parents = $templateResolver->fetchParents();
$parents = $templateResolver->fetchParents();

foreach ($parents as $parent) {
$hostServiceSets += $parent->fetchServiceSets();
$hostServiceSets += AppliedServiceSetLoader::fetchForHost($parent);
}
foreach ($parents as $parent) {
$hostServiceSets += $parent->fetchServiceSets();
$hostServiceSets += AppliedServiceSetLoader::fetchForHost($parent);
}

foreach ($hostServiceSets as $hostServiceSet) {
foreach ($hostServiceSet->getServiceObjects() as $setServiceObject) {
if ($setServiceObject->getObjectName() === $serviceName) {
$directorServiceObj = $setServiceObject;
foreach ($hostServiceSets as $hostServiceSet) {
foreach ($hostServiceSet->getServiceObjects() as $setServiceObject) {
if ($setServiceObject->getObjectName() === $serviceName) {
$directorServiceObj = $setServiceObject;

break 2;
break 2;
}
}
}
}
}

$i++;
} while (! $directorServiceObj);
}
} catch (NotFoundError $_) {
return false;
}
$i++;
} while (! $directorServiceObj);
}
} catch (NotFoundError $_) {
if ($service !== null) {
Logger::error("Failed to find service '%s' on host '%s'", $service->name, $host->name);
} else {
Logger::error('Failed to find host %s', $host->name);
}

if ($service === null) {
$fields = (new IcingaObjectFieldLoader($directorHostObj))->getFields();
} else {
$fields = (new IcingaObjectFieldLoader($directorServiceObj))->getFields();
}
return false;
}

if (empty($fields)) {
return false;
}
if ($service === null) {
$fields = (new IcingaObjectFieldLoader($directorHostObj))->getFields();
} else {
$fields = (new IcingaObjectFieldLoader($directorServiceObj))->getFields();
}

$fieldsWithDataLists = [];
foreach ($fields as $field) {
$this->fieldConfig[$field->get('varname')] = [
'label' => $field->get('caption'),
'group' => $field->getCategoryName(),
'visibility' => $field->getSetting('visibility')
];

if ($field->get('datatype') === 'Icinga\Module\Director\DataType\DataTypeDatalist') {
$fieldsWithDataLists[$field->get('id')] = $field;
} elseif ($field->get('datatype') === 'Icinga\Module\Director\DataType\DataTypeDictionary') {
$this->dictionaryNames[] = $field->get('varname');
if (empty($fields)) {
return false;
}
}

if (! empty($fieldsWithDataLists)) {
if ($this->db()->getDbType() === 'pgsql') {
$joinCondition = 'CAST(dds.setting_value AS INTEGER) = dde.list_id';
} else {
$joinCondition = 'dds.setting_value = dde.list_id';
$fieldsWithDataLists = [];
foreach ($fields as $field) {
$this->fieldConfig[$field->get('varname')] = [
'label' => $field->get('caption'),
'group' => $field->getCategoryName(),
'visibility' => $field->getSetting('visibility')
];

if ($field->get('datatype') === 'Icinga\Module\Director\DataType\DataTypeDatalist') {
$fieldsWithDataLists[$field->get('id')] = $field;
} elseif ($field->get('datatype') === 'Icinga\Module\Director\DataType\DataTypeDictionary') {
$this->dictionaryNames[] = $field->get('varname');
}
}

$dataListEntries = $db->select()->from(
['dds' => 'director_datafield_setting'],
[
'dds.datafield_id',
'dde.entry_name',
'dde.entry_value'
]
)->join(
['dde' => 'director_datalist_entry'],
$joinCondition,
[]
)->where('dds.datafield_id', array_keys($fieldsWithDataLists))
->where('dds.setting_name', 'datalist_id');

foreach ($dataListEntries as $dataListEntry) {
$field = $fieldsWithDataLists[$dataListEntry->datafield_id];
$this->datalistMaps[$field->get('varname')][$dataListEntry->entry_name] = $dataListEntry->entry_value;
if (! empty($fieldsWithDataLists)) {
if ($this->db()->getDbType() === 'pgsql') {
$joinCondition = 'CAST(dds.setting_value AS INTEGER) = dde.list_id';
} else {
$joinCondition = 'dds.setting_value = dde.list_id';
}

$dataListEntries = $db->select()->from(
['dds' => 'director_datafield_setting'],
[
'dds.datafield_id',
'dde.entry_name',
'dde.entry_value'
]
)->join(
['dde' => 'director_datalist_entry'],
$joinCondition,
[]
)->where('dds.datafield_id', array_keys($fieldsWithDataLists))
->where('dds.setting_name', 'datalist_id');

foreach ($dataListEntries as $dataListEntry) {
$field = $fieldsWithDataLists[$dataListEntry->datafield_id];
$this->datalistMaps[$field->get('varname')][$dataListEntry->entry_name]
= $dataListEntry->entry_value;
}
}
}

return true;
return true;
} catch (Exception $e) {
Logger::error($e->getMessage());

return false;
}
}

public function renderCustomVarKey(string $key)
{
if (isset($this->fieldConfig[$key]['label'])) {
return new HtmlElement(
'span',
Attributes::create(['title' => $this->fieldConfig[$key]['label'] . " [$key]"]),
Text::create($this->fieldConfig[$key]['label'])
);
try {
if (isset($this->fieldConfig[$key]['label'])) {
return new HtmlElement(
'span',
Attributes::create(['title' => $this->fieldConfig[$key]['label'] . " [$key]"]),
Text::create($this->fieldConfig[$key]['label'])
);
}
} catch (Exception $e) {
Logger::error($e->getMessage());
}

return null;
}

public function renderCustomVarValue(string $key, $value)
{
if (isset($this->fieldConfig[$key])) {
if ($this->fieldConfig[$key]['visibility'] === 'hidden') {
return '***';
}
try {
if (isset($this->fieldConfig[$key])) {
if ($this->fieldConfig[$key]['visibility'] === 'hidden') {
return '***';
}

if (isset($this->datalistMaps[$key][$value])) {
return new HtmlElement(
'span',
Attributes::create(['title' => $this->datalistMaps[$key][$value] . " [$value]"]),
Text::create($this->datalistMaps[$key][$value])
);
} elseif ($value !== null && in_array($key, $this->dictionaryNames)) {
return $this->renderDictionaryVal($key, (array) $value);
if (isset($this->datalistMaps[$key][$value])) {
return new HtmlElement(
'span',
Attributes::create(['title' => $this->datalistMaps[$key][$value] . " [$value]"]),
Text::create($this->datalistMaps[$key][$value])
);
} elseif ($value !== null && in_array($key, $this->dictionaryNames)) {
return $this->renderDictionaryVal($key, (array) $value);
}
}
} catch (Exception $e) {
Logger::error($e->getMessage());
}

return null;
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