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
|
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Files\Mount;
use OC\Files\ObjectStore\AppdataPreviewObjectStoreStorage;
use OC\Files\ObjectStore\ObjectStoreStorage;
use OC\Files\Storage\Wrapper\Jail;
use OCP\Files\Config\IRootMountProvider;
use OCP\Files\Storage\IStorageFactory;
use OCP\IConfig;
use Psr\Log\LoggerInterface;
/**
* Mount provider for object store app data folder for previews
*/
class ObjectStorePreviewCacheMountProvider implements IRootMountProvider {
private LoggerInterface $logger;
/** @var IConfig */
private $config;
public function __construct(LoggerInterface $logger, IConfig $config) {
$this->logger = $logger;
$this->config = $config;
}
/**
* @return MountPoint[]
* @throws \Exception
*/
public function getRootMounts(IStorageFactory $loader): array {
if (!is_array($this->config->getSystemValue('objectstore_multibucket'))) {
return [];
}
if ($this->config->getSystemValue('objectstore.multibucket.preview-distribution', false) !== true) {
return [];
}
$instanceId = $this->config->getSystemValueString('instanceid', '');
$mountPoints = [];
$directoryRange = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'];
$i = 0;
foreach ($directoryRange as $parent) {
foreach ($directoryRange as $child) {
$mountPoints[] = new MountPoint(
AppdataPreviewObjectStoreStorage::class,
'/appdata_' . $instanceId . '/preview/' . $parent . '/' . $child,
$this->getMultiBucketObjectStore($i),
$loader,
null,
null,
self::class
);
$i++;
}
}
$rootStorageArguments = $this->getMultiBucketObjectStoreForRoot();
$fakeRootStorage = new ObjectStoreStorage($rootStorageArguments);
$fakeRootStorageJail = new Jail([
'storage' => $fakeRootStorage,
'root' => '/appdata_' . $instanceId . '/preview',
]);
// add a fallback location to be able to fetch existing previews from the old bucket
$mountPoints[] = new MountPoint(
$fakeRootStorageJail,
'/appdata_' . $instanceId . '/preview/old-multibucket',
null,
$loader,
null,
null,
self::class
);
return $mountPoints;
}
protected function getMultiBucketObjectStore(int $number): array {
$config = $this->config->getSystemValue('objectstore_multibucket');
// sanity checks
if (empty($config['class'])) {
$this->logger->error('No class given for objectstore', ['app' => 'files']);
}
if (!isset($config['arguments'])) {
$config['arguments'] = [];
}
/*
* Use any provided bucket argument as prefix
* and add the mapping from parent/child => bucket
*/
if (!isset($config['arguments']['bucket'])) {
$config['arguments']['bucket'] = '';
}
$config['arguments']['bucket'] .= "-preview-$number";
// instantiate object store implementation
$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
$config['arguments']['internal-id'] = $number;
return $config['arguments'];
}
protected function getMultiBucketObjectStoreForRoot(): array {
$config = $this->config->getSystemValue('objectstore_multibucket');
// sanity checks
if (empty($config['class'])) {
$this->logger->error('No class given for objectstore', ['app' => 'files']);
}
if (!isset($config['arguments'])) {
$config['arguments'] = [];
}
/*
* Use any provided bucket argument as prefix
* and add the mapping from parent/child => bucket
*/
if (!isset($config['arguments']['bucket'])) {
$config['arguments']['bucket'] = '';
}
$config['arguments']['bucket'] .= '0';
// instantiate object store implementation
$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
return $config['arguments'];
}
}
|
