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freenetis-github/application/controllers/monitoring.php @ 3f5d6df7

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<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Controller performs action for monitoring of devices
*
* @package Controller
*/
class Monitoring_Controller extends Controller
{
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/**
* Only enable if notification enabled
*/
public function __construct()
{
parent::__construct();
if (!module::e('monitoring'))
self::error(ACCESS);
}
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/**
* Index method - only redirect to list of all monitored hosts
*
* @author Michal Kliment
*/
public function index()
{
$this->redirect('show_all');
}
/**
* Shows all monitored hosts
*
* @author Michal Kliment
* @param type $priority
* @param string $group_by
*/
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public function show_all($priority = 1, $group_by = '')
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{
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// access control
if (!$this->acl_check_view('Monitoring_Controller', 'monitoring'))
{
Controller::error (ACCESS);
}
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// definition options for group by
$group_by_options = array
(
'all' => 'all devices',
'member_id' => 'member_name',
'type' => 'type_name',
'state' => 'state_name',
'town_id' => 'town_name',
'address_point_id' => 'address_point_name',
);
$monitor_host_model = new Monitor_host_Model();
$form = new Forge();
$priorities = arr::from_objects(
$monitor_host_model->get_all_priorities(), 'priority'
);
if (count($priorities))
{
$form->dropdown('priority')
->options($priorities)
->selected($priority);
}
$group_by_options_values = array
(
'all' => __('All devices'),
'member_id' => __('Member'),
'state' => __('State'),
'type' => __('Type'),
'town_id' => __('Town'),
'address_point_id' => __('Address point')
);
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$user_model = new User_Model($this->user_id);
$group_by_setting = $user_model->get_user_setting(User_Model::SETTINGS_MONITORING_GROUP_BY);
// empty value in users settings
if (!empty($group_by_setting))
{
// use database settings if not set explicitly
if (empty($group_by))
{
$group_by = $group_by_setting;
}
}
// empty value in users settings
else
{
$group_by = 'all';
}
// update database settings
if ($group_by != $group_by_setting)
{
$user_model->set_user_setting(User_Model::SETTINGS_MONITORING_GROUP_BY, $group_by);
}
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$form->dropdown('group_by')
->options($group_by_options_values)
->selected($group_by);
$form->submit('Group by');
// redirect to this method with new priority or group by option
if ($form->validate() && $form->priority
&& $form->priority->value && $form->group_by->value)
{
$this->redirect(
'show_all/',
$form->priority->value.'/'.$form->group_by->value
);
}
// default group by option
if (!isset($group_by_options[$group_by]))
$group_by = 'all';
// filter
$filter_form = new Filter_form('mh');
$filter_form->add('device_name');
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$filter_form->add('member_name')
->callback('json/member_name');
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$filter_form->add('state')
->type('select')
->values(array
(
Monitor_host_Model::STATE_UP => __('Online'),
Monitor_host_Model::STATE_DOWN => __('Offline'),
));
$filter_form->add('town')
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->type('combo')
->callback('json/town_name');
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$filter_form->add('street')
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->type('combo')
->callback('json/street_name');
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$filter_form->add('type')
->type('select')
->values(
ORM::factory('enum_type')
->get_values(Enum_type_Model::DEVICE_TYPE_ID)
);
$filter_form->add('ip_address')
->type('network_address')
->class(array
(
Filter_form::OPER_IS => 'ip_address',
Filter_form::OPER_IS_NOT => 'ip_address',
Filter_form::OPER_NETWORK_IS_IN => 'cidr',
Filter_form::OPER_NETWORK_IS_NOT_IN => 'cidr',
));
$hosts = $monitor_host_model->get_all_monitored_hosts(
$priority, 'device_name', $filter_form->as_sql()
);
$devices = array();
$labels = array();
// divides hosts to groups
foreach ($hosts as $host)
{
$index = isset($host->$group_by) ? $host->$group_by : $group_by;
if (!isset($devices[$index]))
$devices[$index] = array();
$devices[$index][] = $host;
if (isset($host->$group_by_options[$group_by]))
$labels[$index] = $host->$group_by_options[$group_by];
}
$grids = array();
foreach (array_keys($devices) as $group)
{
// for each group create own grid
$grids[$group] = new Grid('', null, array
(
'use_paginator' => false,
'use_selector' => false
));
$grids[$group]->form_field('host_id')
->label('')
->order(false)
->type('checkbox');
$grids[$group]->link_field('device_id')
->link('devices/show', 'device_name')
->label('Device name');
$grids[$group]->callback_field('member_id')
->callback('callback::member_field')
->label('Member');
$grids[$group]->callback_field('ip_address')
->callback('callback::ip_address_field');
$grids[$group]->callback_field('state')
->callback('callback::monitor_state_field')
->class('center');
$grids[$group]->callback_field('state_changed_date')
->callback('callback::datetime_diff', 'short')
->label('Uptime / Downtime')
->class('center');
$grids[$group]->callback_field('latency_avg')
->callback('callback::latency_field')
->label('Latency')
->class('center');
$grids[$group]->callback_field('availability')
->callback('callback::percent')
->class('center');
$actions = $grids[$group]->grouped_action_field();
$actions->add_action('id')
->icon_action('show')
->url('monitoring/show')
->label('Show monitoring detail of device')
->class('popup_link');
$actions->add_action('id')
->icon_action('edit')
->url('monitoring/edit')
->label('Edit monitoring parameter of device')
->class('popup_link');
$actions->add_action('id')
->icon_action('delete')
->url('monitoring/delete')
->label('Remove device from monitoring')
->class('delete_link');
$grids[$group]->datasource($devices[$group]);
// adds extra buttons
$grids[$group]->form_extra_buttons = array
(
form::checkbox('grid-'.$group.'-mark_all', 'on', FALSE, 'class="checkbox mark_all"') .
form::label('mark_all', __('Mark all'), 'class="mark_all_label"')
);
$grids[$group]->form_submit_value = __('Delete');
}
// deleting hosts from monitoring
if ($_POST && isset($_POST['host_id']))
{
$result = $monitor_host_model->delete_hosts(array_keys($_POST['host_id']), 'id');
status::success('Monitoring has been successfully deactivated.');
$this->redirect(Path::instance()->previous());
}
$title = __('Monitoring');
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$count_down_devices = ORM::factory('preprocessor')->count_off_down_devices();
if ($count_down_devices > 0)
{
$title .= " ($count_down_devices)";
}
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$view = new View('main');
$view->title = $title;
$view->content = new View('monitoring/show_all');
$view->content->form = $form;
$view->content->filter_form = $filter_form;
$view->content->grids = $grids;
$view->content->labels = $labels;
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$view->content->title = $title;
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$view->render(TRUE);
}
/**
* Shows detail of monitored device
*
* @author Michal Kliment
* @param type $monitor_host_id
*/
public function show ($monitor_host_id = NULL)
{
// bad parameter
if (!$monitor_host_id || !is_numeric($monitor_host_id))
Controller::warning (PARAMETER);
$monitor_host = new Monitor_host_Model($monitor_host_id);
// record doesn't exist
if (!$monitor_host->id)
Controller::error (RECORD);
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// access control
if (!$this->acl_check_view('Monitoring_Controller', 'monitoring',
$monitor_host->device->user->member_id))
{
Controller::error(ACCESS);
}
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$title = __('Monitoring detail of device').' '.$monitor_host->device->name;
$view = new View('main');
$view->title = $title;
$view->content = new View('monitoring/show');
$view->content->monitor_host = $monitor_host;
$view->render(TRUE);
}
/**
* Edits notification settings of host
*
* @author Michal Kliment
* @param type $monitor_host_id
*/
public function edit($monitor_host_id = NULL)
{
// bad parameter
if (!$monitor_host_id || !is_numeric($monitor_host_id))
Controller::warning(PARAMETER);
$monitor_host = new Monitor_host_Model($monitor_host_id);
// record doesn't exist
if (!$monitor_host->id)
Controller::error(RECORD);
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// access control
if (!$this->acl_check_edit('Monitoring_Controller', 'monitoring',
$monitor_host->device->user->member_id))
{
Controller::error(ACCESS);
}
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$form = new Forge();

$form->set_attr('nopopup');
$form->input('priority')
->rules('valid_numeric')
->value($monitor_host->priority);

$form->submit('submit');

// form is validate
if ($form->validate())
{
$form_data = $form->as_array();
// do everything in transaction
try
{
$monitor_host->transaction_start();
$monitor_host->priority = $form_data['priority'];

$monitor_host->save_throwable();

$monitor_host->transaction_commit();
}
catch(Exception $e)
{
$monitor_host->transaction_rollback();
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Log::add_exception($e);
status::error('Error - Cannot update monitoring.', $e);
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}

$this->redirect(Path::instance()->previous());
}
else
{
$title = __('Monitoring');

$view = new View('main');
$view->title = $title;
$view->content = new View('form');
$view->content->headline = $title;
$view->content->form = $form;
$view->render(TRUE);
}
}
/**
* Deletes host from monitoring
*
* @author Michal Kliment
* @param type $monitor_host_id
*/
public function delete($monitor_host_id = NULL)
{
// bad parameter
if (!$monitor_host_id || !is_numeric($monitor_host_id))
Controller::warning(PARAMETER);
$monitor_host = new Monitor_host_Model($monitor_host_id);
// record doesn't exist
if (!$monitor_host->id)
Controller::error(RECORD);
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// access control
if (!$this->acl_check_delete('Monitoring_Controller', 'monitoring',
$monitor_host->device->user->member_id))
{
Controller::error(ACCESS);
}
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// do everything in transaction
try
{
$monitor_host->transaction_start();

$monitor_host->delete_throwable();

$monitor_host->transaction_commit();
status::success('Monitoring has been successfully deactivated.');
}
catch(Exception $e)
{
$monitor_host->transaction_rollback();
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Log::add_exception($e);
status::error('Error - Cannot update monitoring.', $e);
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}

$this->redirect(Path::instance()->previous());
}
/**
* Performs adding/editing/deleteing hosts
*
* @author Michal Kliment
* @param type $parameter
*/
public function action($parameter = NULL)
{
$action = NULL;
$device_id = NULL;
$actions = array('add', 'edit', 'delete');
if (in_array($parameter, $actions))
$action = $parameter;
else
$device_id = $parameter;
$filter_form = new Filter_form();
if ($filter_form->autoload())
{
$device_model = new Device_Model();

$devices = $device_model->get_all_devices(array
(
'filter_sql' => $filter_form->as_sql()
));

$device_ids = array_keys(arr::from_objects($devices));
}
else
{
// bad parameter
if (!$device_id || !is_numeric($device_id))
Controller::warning (PARAMETER);
$device = new Device_Model($device_id);
// record doesn't exist
if (!$device->id)
Controller::error (RECORD);
$device_ids = array($device->id);
}

$form = new Forge();

$form->set_attr('nopopup');

if (!$action)
{
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$action_options = array();
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$do_id = isset($device) ? $device->user->member_id : NULL;
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// access control
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if ($this->acl_check_new('Monitoring_Controller', 'monitoring', $do_id))
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{
$action_options['add'] = __('Add');
}
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if ($this->acl_check_edit('Monitoring_Controller', 'monitoring', $do_id))
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{
$action_options['edit'] = __('Edit');
}
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if ($this->acl_check_delete('Monitoring_Controller', 'monitoring', $do_id))
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{
$action_options['delete'] = __('Delete');
}
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$form->dropdown('action')
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->options($action_options);
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}
if (!$action || ($action && $action != 'delete'))
{
$form->input('priority')
->rules('valid_numeric');
}

$form->submit('submit');

// form is validate
if ($form->validate())
{
$form_data = $form->as_array();
$monitor_host_model = new Monitor_host_Model();

// do everything in transaction
try
{
$monitor_host_model->transaction_start();
if (!$action)
$action = $form_data['action'];

switch ($action)
{
// adds device(s) to monitoring
case 'add':
// removes already monitored devices
$device_ids = array_diff(
$device_ids,
arr::from_objects(
$monitor_host_model->get_all_monitored_hosts(),
'device_id'
)
);
$result = $monitor_host_model->insert_hosts($device_ids, $form_data['priority']);
status::success('Monitoring has been successfully activated.');
break;

// edits priority of monitored devices
case 'edit':
$result = $monitor_host_model->update_hosts($device_ids, $form_data['priority']);
status::success('Monitoring has been successfully updated.');
break;

// deletes devices from monitoring
case 'delete':
$result = $monitor_host_model->delete_hosts($device_ids);
status::success('Monitoring has been successfully deactivated.');
break;
}

$monitor_host_model->transaction_commit();
}
catch(Exception $e)
{
$monitor_host_model->transaction_rollback();
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Log::add_exception($e);
status::error('Error - Cannot update monitoring.', $e);
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}

$this->redirect(Path::instance()->previous());
}
else
{
$title = __('Monitoring');

$view = new View('main');
$view->title = $title;
$view->content = new View('form');
$view->content->headline = $title;
$view->content->form = $form;
$view->render(TRUE);
}
}
}