1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
<?php
namespace Icinga\Module\Director\Forms;
use Icinga\Module\Director\Objects\IcingaCommand;
use Icinga\Module\Director\Objects\IcingaHost;
use Icinga\Module\Director\Objects\IcingaObject;
use Icinga\Module\Director\Objects\DirectorDatafield;
use Icinga\Module\Director\Objects\IcingaService;
use Icinga\Module\Director\Web\Form\DirectorObjectForm;
use Icinga\Module\Director\Web\Form\IcingaObjectFieldLoader;
class IcingaObjectFieldForm extends DirectorObjectForm
{
/** @var IcingaObject Please note that $object would conflict with logic in parent class */
protected $icingaObject;
public function setIcingaObject($object)
{
$this->icingaObject = $object;
$this->className = get_class($object) . 'Field';
return $this;
}
public function setup()
{
$object = $this->icingaObject;
$type = $object->getShortTableName();
$this->addHidden($type . '_id', $object->get('id'));
$this->addHtmlHint(
'Custom data fields allow you to easily fill custom variables with'
. " meaningful data. It's perfectly legal to override inherited fields."
. ' You may for example want to allow "network devices" specifying any'
. ' string for vars.snmp_community, but restrict "customer routers" to'
. ' a specific set, shown as a dropdown.'
);
// TODO: remove assigned ones!
$existingFields = $this->db->enumDatafields();
$blacklistedVars = array();
$suggestedFields = array();
foreach ($existingFields as $id => $field) {
if (preg_match('/ \(([^\)]+)\)$/', $field, $m)) {
$blacklistedVars['$' . $m[1] . '$'] = $id;
}
}
// TODO: think about imported existing vars without fields
// TODO: extract vars from command line (-> dummy)
// TODO: do not suggest chosen ones
$argumentVars = array();
$argumentVarDescriptions = array();
if ($object instanceof IcingaCommand) {
$command = $object;
} elseif ($object->hasProperty('check_command_id')) {
$command = $object->getResolvedRelated('check_command');
} else {
$command = null;
}
if ($command) {
foreach ($command->arguments() as $arg) {
if ($arg->argument_format === 'string') {
$val = $arg->argument_value;
// TODO: create var::extractMacros or so
if (preg_match_all('/(\$[a-z0-9_]+\$)/i', $val, $m, PREG_PATTERN_ORDER)) {
foreach ($m[1] as $val) {
if (array_key_exists($val, $blacklistedVars)) {
$id = $blacklistedVars[$val];
// Hint: if not set it might already have been
// removed in this loop
if (array_key_exists($id, $existingFields)) {
$suggestedFields[$id] = $existingFields[$id];
unset($existingFields[$id]);
}
} else {
$argumentVars[$val] = $val;
$argumentVarDescriptions[$val] = $arg->description;
}
}
}
}
}
}
// Prepare combined fields array
$fields = array();
if (! empty($suggestedFields)) {
asort($existingFields);
$fields[$this->translate('Suggested fields')] = $suggestedFields;
}
if (! empty($argumentVars)) {
ksort($argumentVars);
$fields[$this->translate('Argument macros')] = $argumentVars;
}
if (! empty($existingFields)) {
$fields[$this->translate('Other available fields')] = $existingFields;
}
$this->addElement('select', 'datafield_id', array(
'label' => 'Field',
'required' => true,
'description' => 'Field to assign',
'class' => 'autosubmit',
'multiOptions' => $this->optionalEnum($fields)
));
if (empty($fields)) {
// TODO: show message depending on permissions
$msg = $this->translate(
'There are no data fields available. Please ask an administrator to create such'
);
$this->getElement('datafield_id')->addError($msg);
}
if (($id = $this->getSentValue('datafield_id')) && ! ctype_digit($id)) {
$this->addElement('text', 'caption', array(
'label' => $this->translate('Caption'),
'required' => true,
'ignore' => true,
'value' => trim($id, '$'),
'description' => $this->translate('The caption which should be displayed')
));
$this->addElement('textarea', 'description', array(
'label' => $this->translate('Description'),
'description' => $this->translate('A description about the field'),
'ignore' => true,
'value' => array_key_exists($id, $argumentVarDescriptions) ? $argumentVarDescriptions[$id] : null,
'rows' => '3',
));
}
$this->addElement('select', 'is_required', array(
'label' => $this->translate('Mandatory'),
'description' => $this->translate('Whether this field should be mandatory'),
'required' => true,
'multiOptions' => array(
'n' => $this->translate('Optional'),
'y' => $this->translate('Mandatory'),
)
));
$filterFields = array();
$prefix = null;
if ($object instanceof IcingaHost) {
$prefix = 'host.vars.';
} elseif ($object instanceof IcingaService) {
$prefix = 'service.vars.';
}
if ($prefix) {
$loader = new IcingaObjectFieldLoader($object);
$fields = $loader->getFields();
foreach ($fields as $varName => $field) {
$filterFields[$prefix . $field->varname] = $field->caption;
}
$this->addFilterElement('var_filter', array(
'description' => $this->translate(
'You might want to show this field only when certain conditions are met.'
. ' Otherwise it will not be available and values eventually set before'
. ' will be cleared once stored'
),
'columns' => $filterFields,
));
$this->addDisplayGroup(array($this->getElement('var_filter')), 'field_filter', array(
'decorators' => array(
'FormElements',
array('HtmlTag', array('tag' => 'dl')),
'Fieldset',
),
'order' => 30,
'legend' => $this->translate('Show based on filter')
));
}
$this->setButtons();
}
protected function onRequest()
{
parent::onRequest();
if ($this->getSentValue('delete') === $this->translate('Delete')) {
$this->object()->delete();
$this->setSuccessUrl($this->getSuccessUrl()->without('field_id'));
$this->redirectOnSuccess($this->translate('Field has been removed'));
}
}
public function onSuccess()
{
$fieldId = $this->getValue('datafield_id');
if (! ctype_digit($fieldId)) {
$field = DirectorDatafield::create(array(
'varname' => trim($fieldId, '$'),
'caption' => $this->getValue('caption'),
'description' => $this->getValue('description'),
'datatype' => 'Icinga\Module\Director\DataType\DataTypeString',
));
$field->store($this->getDb());
$this->setElementValue('datafield_id', $field->get('id'));
$this->object()->set('datafield_id', $field->get('id'));
}
$this->object()->set('var_filter', $this->getValue('var_filter'));
return parent::onSuccess();
}
}
|
