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<?php
/*
** Zabbix
** Copyright (C) 2001-2018 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
require_once dirname(__FILE__).'/include/config.inc.php';
require_once dirname(__FILE__).'/include/hostgroups.inc.php';
require_once dirname(__FILE__).'/include/hosts.inc.php';
require_once dirname(__FILE__).'/include/forms.inc.php';
$page['title'] = _('Host inventory overview');
$page['file'] = 'hostinventoriesoverview.php';
require_once dirname(__FILE__).'/include/page_header.php';
// VAR TYPE OPTIONAL FLAGS VALIDATION EXCEPTION
$fields = [
'groupid' => [T_ZBX_INT, O_OPT, P_SYS, DB_ID, null],
'groupby' => [T_ZBX_STR, O_OPT, P_SYS, null, null],
// sort and sortorder
'sort' => [T_ZBX_STR, O_OPT, P_SYS, IN('"host_count","inventory_field"'), null],
'sortorder' => [T_ZBX_STR, O_OPT, P_SYS, IN('"'.ZBX_SORT_DOWN.'","'.ZBX_SORT_UP.'"'), null]
];
check_fields($fields);
$sortField = getRequest('sort', CProfile::get('web.'.$page['file'].'.sort', 'host_count'));
$sortOrder = getRequest('sortorder', CProfile::get('web.'.$page['file'].'.sortorder', ZBX_SORT_DOWN));
CProfile::update('web.'.$page['file'].'.sort', $sortField, PROFILE_TYPE_STR);
CProfile::update('web.'.$page['file'].'.sortorder', $sortOrder, PROFILE_TYPE_STR);
/*
* Permissions
*/
if (getRequest('groupid') && !isReadableHostGroups([getRequest('groupid')])) {
access_deny();
}
if ((PAGE_TYPE_JS == $page['type']) || (PAGE_TYPE_HTML_BLOCK == $page['type'])) {
require_once dirname(__FILE__).'/include/page_footer.php';
exit;
}
$options = [
'groups' => [
'real_hosts' => 1,
],
'groupid' => getRequest('groupid'),
];
$pageFilter = new CPageFilter($options);
$_REQUEST['groupid'] = $pageFilter->groupid;
$_REQUEST['groupby'] = getRequest('groupby', '');
$groupFieldTitle = '';
$hostinvent_wdgt = (new CWidget())->setTitle(_('Host inventory overview'));
// getting inventory fields to make a drop down
$inventoryFields = getHostInventories(true); // 'true' means list should be ordered by title
$inventoryFieldsComboBox = new CComboBox('groupby', $_REQUEST['groupby'], 'submit()');
$inventoryFieldsComboBox->addItem('', _('not selected'));
foreach($inventoryFields as $inventoryField){
$inventoryFieldsComboBox->addItem(
$inventoryField['db_field'],
$inventoryField['title'],
$_REQUEST['groupby'] === $inventoryField['db_field'] ? 'yes' : null // selected?
);
if($_REQUEST['groupby'] === $inventoryField['db_field']){
$groupFieldTitle = $inventoryField['title'];
}
}
$hostinvent_wdgt->setControls(
(new CForm('get'))
->setAttribute('aria-label', _('Main filter'))
->addItem((new CList())
->addItem([
new CLabel(_('Group'), 'groupid'),
(new CDiv())->addClass(ZBX_STYLE_FORM_INPUT_MARGIN),
$pageFilter->getGroupsCB()
])
->addItem([
new CLabel(_('Grouping by'), 'groupby'),
(new CDiv())->addClass(ZBX_STYLE_FORM_INPUT_MARGIN),
$inventoryFieldsComboBox
])
)
);
$table = (new CTableInfo())
->setHeader(
[
make_sorting_header($groupFieldTitle === '' ? _('Field') : $groupFieldTitle, 'inventory_field',
$sortField, $sortOrder
),
make_sorting_header(_('Host count'), 'host_count', $sortField, $sortOrder),
]
);
// to show a report, we will need a host group and a field to aggregate
if($pageFilter->groupsSelected && $groupFieldTitle !== ''){
$options = [
'output' => ['hostid', 'name'],
'selectInventory' => [$_REQUEST['groupby']], // only one field is required
'withInventory' => true,
'groupids' => $pageFilter->groupids
];
$hosts = API::Host()->get($options);
// aggregating data by chosen field value
$report = [];
foreach($hosts as $host) {
if ($host['inventory'][$_REQUEST['groupby']] !== '') {
// same names with different letter casing are considered the same
$lowerValue = mb_strtolower($host['inventory'][$_REQUEST['groupby']]);
if (!isset($report[$lowerValue])) {
$report[$lowerValue] = [
'inventory_field' => $host['inventory'][$_REQUEST['groupby']],
'host_count' => 1
];
}
else {
$report[$lowerValue]['host_count'] += 1;
}
}
}
order_result($report, $sortField, $sortOrder);
foreach ($report as $rep) {
$table->addRow([
zbx_str2links($rep['inventory_field']),
new CLink($rep['host_count'],
'hostinventories.php?filter_field='.$_REQUEST['groupby'].
'&filter_field_value='.urlencode($rep['inventory_field']).
'&filter_set=1&filter_exact=1'.url_param('groupid')
)
]);
}
}
$hostinvent_wdgt->addItem($table);
$hostinvent_wdgt->show();
require_once dirname(__FILE__).'/include/page_footer.php';
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