forked from librenms/librenms
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Checks.php
142 lines (124 loc) · 4.7 KB
/
Checks.php
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
<?php
/**
* Checks.php
*
* Pre-flight checks at various stages of booting
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* @package LibreNMS
* @link http://librenms.org
* @copyright 2018 Tony Murray
* @author Tony Murray <murraytony@gmail.com>
*/
namespace App;
use App\Models\Device;
use App\Models\Notification;
use Auth;
use Cache;
use Carbon\Carbon;
use LibreNMS\Config;
use LibreNMS\Exceptions\FilePermissionsException;
use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
use Toastr;
class Checks
{
public static function preBoot()
{
// check php extensions
if ($missing = self::missingPhpExtensions()) {
self::printMessage(
"Missing PHP extensions. Please install and enable them on your LibreNMS server.",
$missing,
true
);
}
}
/**
* Pre-boot dependency check
*/
public static function postAutoload()
{
if (!class_exists(\Illuminate\Foundation\Application::class)) {
self::printMessage(
'Error: Missing dependencies! Run the following command to fix:',
'./scripts/composer_wrapper.php install --no-dev',
true
);
}
}
/**
* Post boot Toast messages
*/
public static function postAuth()
{
// limit popup messages frequency
if (Cache::get('checks_popup_timeout') || !Auth::check()) {
return;
}
Cache::put('checks_popup_timeout', true, Config::get('checks_popup_timer', 5));
$user = Auth::user();
if ($user->isAdmin()) {
$notifications = Notification::isUnread($user)->where('severity', '>', 1)->get();
foreach ($notifications as $notification) {
Toastr::error("<a href='notifications/'>$notification->body</a>", $notification->title);
}
$warn_sec = Config::get('rrd.step', 300) * 3;
if (Device::isUp()->where('last_polled', '<=', Carbon::now()->subSeconds($warn_sec))->exists()) {
$warn_min = $warn_sec / 60;
Toastr::warning('<a href="poll-log/filter=unpolled/">It appears as though you have some devices that haven\'t completed polling within the last ' . $warn_min . ' minutes, you may want to check that out :)</a>', 'Devices unpolled');
}
// Directory access checks
$rrd_dir = Config::get('rrd_dir');
if (!is_dir($rrd_dir)) {
Toastr::error("RRD Directory is missing ($rrd_dir). Graphing may fail. <a href=" . url('validate') . ">Validate your install</a>");
}
$temp_dir = Config::get('temp_dir');
if (!is_dir($temp_dir)) {
Toastr::error("Temp Directory is missing ($temp_dir). Graphing may fail. <a href=" . url('validate') . ">Validate your install</a>");
} elseif (!is_writable($temp_dir)) {
Toastr::error("Temp Directory is not writable ($temp_dir). Graphing may fail. <a href='" . url('validate') . "'>Validate your install</a>");
}
}
}
private static function printMessage($title, $content, $exit = false)
{
$content = (array)$content;
if (PHP_SAPI == 'cli') {
$format = "%s\n\n%s\n\n";
$message = implode(PHP_EOL, $content);
} else {
$format = "<h3 style='color: firebrick;'>%s</h3><p>%s</p>";
$message = '';
foreach ($content as $line) {
$message .= "<p style='margin:0.5em'>$line</p>\n";
}
}
printf($format, $title, $message);
if ($exit) {
exit(1);
}
}
private static function missingPhpExtensions()
{
// allow mysqli, but prefer mysqlnd
if (!extension_loaded('mysqlnd') && !extension_loaded('mysqli')) {
return ['mysqlnd'];
}
$required_modules = ['mbstring', 'pcre', 'curl', 'session', 'xml', 'gd'];
return array_filter($required_modules, function ($module) {
return !extension_loaded($module);
});
}
}