icingaweb2-module-director/application/forms/SyncPropertyForm.php

408 lines
13 KiB
PHP

<?php
namespace Icinga\Module\Director\Forms;
use Exception;
use Icinga\Module\Director\Hook\ImportSourceHook;
use Icinga\Module\Director\Objects\SyncRule;
use Icinga\Module\Director\Objects\IcingaObject;
use Icinga\Module\Director\Objects\ImportSource;
use Icinga\Module\Director\Web\Form\DirectorObjectForm;
class SyncPropertyForm extends DirectorObjectForm
{
/**
* @var SyncRule
*/
private $rule;
/** @var ImportSource */
private $importSource;
/** @var ImportSourceHook */
private $importSourceHook;
private $dummyObject;
const EXPRESSION = '__EXPRESSION__';
public function setup()
{
$this->addHidden('rule_id', $this->rule->get('id'));
$this->addElement('select', 'source_id', array(
'label' => $this->translate('Source Name'),
'multiOptions' => $this->enumImportSource(),
'required' => true,
'class' => 'autosubmit',
));
if (! $this->hasObject() && ! $this->getSentValue('source_id')) {
return;
}
$this->addElement('select', 'destination_field', array(
'label' => $this->translate('Destination Field'),
'multiOptions' => $this->optionalEnum($this->listDestinationFields()),
'required' => true,
'class' => 'autosubmit',
));
if ($this->getSentValue('destination_field')) {
$destination = $this->getSentValue('destination_field');
} elseif ($this->hasObject()) {
$destination = $this->getObject()->destination_field;
} else {
return;
}
$isCustomvar = substr($destination, 0, 5) === 'vars.';
if ($isCustomvar) {
$varname = substr($destination, 5);
$this->addElement('text', 'customvar', array(
'label' => $this->translate('Custom variable'),
'required' => true,
'ignore' => true,
));
if ($varname !== '*') {
$this->setElementValue('destination_field', 'vars.*');
$this->setElementValue('customvar', $varname);
if ($this->hasObject()) {
$this->getObject()->destination_field = 'vars.*';
}
}
}
$this->addSourceColumnElement($destination);
$this->addElement('YesNo', 'use_filter', array(
'label' => $this->translate('Set based on filter'),
'ignore' => true,
'class' => 'autosubmit',
'required' => true,
));
if ($this->hasBeenSent()) {
$useFilter = $this->getSentValue('use_filter');
if ($useFilter === null) {
$this->setElementValue('use_filter', $useFilter = 'n');
}
} else {
$useFilter = strlen($this->getObject()->filter_expression) ? 'y' : 'n';
$this->setElementValue('use_filter', $useFilter);
}
if ($useFilter === 'y') {
$this->addElement('text', 'filter_expression', array(
'label' => $this->translate('Filter Expression'),
'description' => $this->translate(
'This allows to filter for specific parts within the given source expression.'
. ' You are allowed to refer all imported columns. Examples: host=www* would'
. ' set this property only for rows imported with a host property starting'
. ' with "www". Complex example: host=www*&!(address=127.*|address6=::1)'
),
'required' => true,
// TODO: validate filter
));
}
if ($isCustomvar || $destination === 'vars') {
$this->addElement('select', 'merge_policy', array(
'label' => $this->translate('Merge Policy'),
'description' => $this->translate(
'Whether you want to merge or replace the destination field.'
. ' Makes no difference for strings'
),
'required' => true,
'multiOptions' => $this->optionalEnum(array(
'merge' => 'merge',
'override' => 'replace'
))
));
} else {
$this->addHidden('merge_policy', 'override');
}
$this->setButtons();
}
protected function hasSubOption($options, $key)
{
foreach ($options as $mainKey => $sub) {
if (! is_array($sub)) {
// null -> please choose - or similar
continue;
}
if (array_key_exists($key, $sub)) {
return true;
}
}
return false;
}
protected function addSourceColumnElement($destination)
{
$error = false;
$srcTitle = $this->translate('Source columns');
try {
$columns[$srcTitle] = $this->listSourceColumns();
natsort($columns[$srcTitle]);
} catch (Exception $e) {
$srcTitle .= sprintf(' (%s)', $this->translate('failed to fetch'));
$columns[$srcTitle] = array();
$error = sprintf(
$this->translate('Unable to fetch data: %s'),
$e->getMessage()
);
}
if ($destination === 'import') {
$funcTemplates = 'enum' . ucfirst($this->rule->get('object_type')) . 'Templates';
if (method_exists($this->db, $funcTemplates)) {
$templates = $this->db->$funcTemplates();
if (! empty($templates)) {
$templates = array_combine($templates, $templates);
}
$importTitle = $this->translate('Existing templates');
$columns[$importTitle] = $templates;
natsort($columns[$importTitle]);
}
}
$xpTitle = $this->translate('Expert mode');
$columns[$xpTitle][self::EXPRESSION] = $this->translate('Custom expression');
$this->addElement('select', 'source_column', array(
'label' => $this->translate('Source Column'),
'multiOptions' => $this->optionalEnum($columns),
'required' => true,
'ignore' => true,
'class' => 'autosubmit',
));
if ($error) {
$this->getElement('source_column')->addError($error);
}
$showExpression = false;
if ($this->hasBeenSent()) {
$sentValue = $this->getSentValue('source_column');
if ($sentValue === self::EXPRESSION) {
$showExpression = true;
}
} elseif ($this->hasObject()) {
$objectValue = $this->getObject()->source_expression;
if ($this->hasSubOption($columns, $objectValue)) {
$this->setElementValue('source_column', $objectValue);
} else {
$this->setElementValue('source_column', self::EXPRESSION);
$showExpression = true;
}
}
if ($showExpression) {
$this->addElement('text', 'source_expression', array(
'label' => $this->translate('Source Expression'),
'description' => $this->translate(
'A custom string. Might contain source columns, please use placeholders'
. ' of the form ${columnName} in such case'
),
'required' => true,
));
}
return $this;
}
protected function enumImportSource()
{
$sources = $this->db->enumImportSource();
$usedIds = $this->rule->listInvolvedSourceIds();
if (empty($usedIds)) {
return $this->optionalEnum($sources);
}
$usedSources = array();
foreach ($usedIds as $id) {
$usedSources[$id] = $sources[$id];
unset($sources[$id]);
}
if (empty($sources)) {
return $this->optionalEnum($usedSources);
}
return $this->optionalEnum(
array(
$this->translate('Used sources') => $usedSources,
$this->translate('Other sources') => $sources
)
);
}
protected function listSourceColumns()
{
$columns = array();
$source = $this->getImportSource();
$hook = $this->getImportSourceHook();
foreach ($hook->listColumns() as $col) {
$columns['${' . $col . '}'] = $col;
}
foreach ($source->listModifierTargetProperties() as $property) {
$columns['${' . $property . '}'] = $property;
}
return $columns;
}
protected function listDestinationFields()
{
$props = array();
$special = array();
$dummy = $this->dummyObject();
if ($dummy instanceof IcingaObject) {
if ($dummy->supportsCustomVars()) {
$special['vars.*'] = $this->translate('Custom variable (vars.)');
$special['vars'] = $this->translate('All custom variables (vars)');
}
if ($dummy->supportsImports()) {
$special['import'] = $this->translate('Inheritance (import)');
}
if ($dummy->supportsArguments()) {
$special['arguments'] = $this->translate('Arguments');
}
if ($dummy->supportsGroups()) {
$special['groups'] = $this->translate('Group membership');
}
if ($dummy->supportsRanges()) {
$special['ranges'] = $this->translate('Time ranges');
}
}
foreach ($dummy->listProperties() as $prop) {
if ($dummy instanceof IcingaObject && $prop === 'id') {
continue;
}
// TODO: allow those fields, but munge them (store ids)
//if (preg_match('~_id$~', $prop)) continue;
if (substr($prop, -3) === '_id') {
$short = substr($prop, 0, -3);
if ($dummy instanceof IcingaObject) {
if ($dummy->hasRelation($short)) {
$prop = $short;
} else {
continue;
}
}
}
$props[$prop] = $prop;
}
if ($dummy instanceof IcingaObject) {
foreach ($dummy->listMultiRelations() as $prop) {
$props[$prop] = sprintf('%s (%s)', $prop, $this->translate('a list'));
}
}
ksort($props);
return array(
$this->translate('Special properties') => $special,
$this->translate('Object properties') => $props
);
}
/**
* @return ImportSource
*/
protected function getImportSource()
{
if ($this->importSource === null) {
if ($this->hasObject()) {
$this->importSource = ImportSource::load($this->object->get('source_id'), $this->db);
} else {
$this->importSource = ImportSource::load($this->getSentValue('source_id'), $this->db);
}
}
return $this->importSource;
}
/**
* @return ImportSourceHook
*/
protected function getImportSourceHook()
{
if ($this->importSourceHook === null) {
$this->importSourceHook = ImportSourceHook::loadByName(
$this->getImportSource()->get('source_name'),
$this->db
);
}
return $this->importSourceHook;
}
public function onSuccess()
{
$object = $this->getObject();
$object->set('rule_id', $this->rule->get('id')); // ?!
if ($this->getValue('use_filter') === 'n') {
$object->set('filter_expression', null);
}
$sourceColumn = $this->getValue('source_column');
unset($this->source_column);
$this->removeElement('source_column');
if ($sourceColumn !== self::EXPRESSION) {
$object->source_expression = $sourceColumn;
}
$destination = $this->getValue('destination_field');
if ($destination === 'vars.*') {
$destination = $this->getValue('customvar');
$object->destination_field = 'vars.' . $destination;
}
if ($object->hasBeenModified()) {
if (! $object->hasBeenLoadedFromDb()) {
$object->priority = $this->rule->getPriorityForNextProperty();
}
}
return parent::onSuccess();
}
protected function dummyObject()
{
if ($this->dummyObject === null) {
$this->dummyObject = IcingaObject::createByType(
$this->rule->get('object_type'),
array(),
$this->db
);
}
return $this->dummyObject;
}
public function setRule(SyncRule $rule)
{
$this->rule = $rule;
return $this;
}
}