services/fuse/tests/test_mount.py

   1 import unittest
   2 import arvados
   3 import arvados_fuse as fuse
   4 import threading
   5 import time
   6 import os
   7 import llfuse
   8 import tempfile
   9 import shutil
  10 import subprocess
  11 import glob
  12 import run_test_server
  13 import json
  14
  15 class MountTestBase(unittest.TestCase):
  16     def setUp(self):
  17         self.keeptmp = tempfile.mkdtemp()
  18         os.environ['KEEP_LOCAL_STORE'] = self.keeptmp
  19         self.mounttmp = tempfile.mkdtemp()
  20         run_test_server.run(False)
  21         run_test_server.authorize_with("admin")
  22         self.api = api = fuse.SafeApi(arvados.config)
  23
  24     def tearDown(self):
  25         run_test_server.stop()
  26
  27         # llfuse.close is buggy, so use fusermount instead.
  28         #llfuse.close(unmount=True)
  29         count = 0
  30         success = 1
  31         while (count < 9 and success != 0):
  32           success = subprocess.call(["fusermount", "-u", self.mounttmp])
  33           time.sleep(0.5)
  34           count += 1
  35
  36         os.rmdir(self.mounttmp)
  37         shutil.rmtree(self.keeptmp)
  38
  39
  40 class FuseMountTest(MountTestBase):
  41     def setUp(self):
  42         super(FuseMountTest, self).setUp()
  43
  44         cw = arvados.CollectionWriter()
  45
  46         cw.start_new_file('thing1.txt')
  47         cw.write("data 1")
  48         cw.start_new_file('thing2.txt')
  49         cw.write("data 2")
  50         cw.start_new_stream('dir1')
  51
  52         cw.start_new_file('thing3.txt')
  53         cw.write("data 3")
  54         cw.start_new_file('thing4.txt')
  55         cw.write("data 4")
  56
  57         cw.start_new_stream('dir2')
  58         cw.start_new_file('thing5.txt')
  59         cw.write("data 5")
  60         cw.start_new_file('thing6.txt')
  61         cw.write("data 6")
  62
  63         cw.start_new_stream('dir2/dir3')
  64         cw.start_new_file('thing7.txt')
  65         cw.write("data 7")
  66
  67         cw.start_new_file('thing8.txt')
  68         cw.write("data 8")
  69
  70         self.testcollection = cw.finish()
  71         self.api.collections().create(body={"manifest_text":cw.manifest_text()}).execute()
  72
  73     def runTest(self):
  74         # Create the request handler
  75         operations = fuse.Operations(os.getuid(), os.getgid())
  76         e = operations.inodes.add_entry(fuse.CollectionDirectory(llfuse.ROOT_INODE, operations.inodes, self.api, 0, self.testcollection))
  77
  78         llfuse.init(operations, self.mounttmp, [])
  79         t = threading.Thread(None, lambda: llfuse.main())
  80         t.start()
  81
  82         # wait until the driver is finished initializing
  83         operations.initlock.wait()
  84
  85         # now check some stuff
  86         d1 = os.listdir(self.mounttmp)
  87         d1.sort()
  88         self.assertEqual(['dir1', 'dir2', 'thing1.txt', 'thing2.txt'], d1)
  89
  90         d2 = os.listdir(os.path.join(self.mounttmp, 'dir1'))
  91         d2.sort()
  92         self.assertEqual(['thing3.txt', 'thing4.txt'], d2)
  93
  94         d3 = os.listdir(os.path.join(self.mounttmp, 'dir2'))
  95         d3.sort()
  96         self.assertEqual(['dir3', 'thing5.txt', 'thing6.txt'], d3)
  97
  98         d4 = os.listdir(os.path.join(self.mounttmp, 'dir2/dir3'))
  99         d4.sort()
 100         self.assertEqual(['thing7.txt', 'thing8.txt'], d4)
 101
 102         files = {'thing1.txt': 'data 1',
 103                  'thing2.txt': 'data 2',
 104                  'dir1/thing3.txt': 'data 3',
 105                  'dir1/thing4.txt': 'data 4',
 106                  'dir2/thing5.txt': 'data 5',
 107                  'dir2/thing6.txt': 'data 6',
 108                  'dir2/dir3/thing7.txt': 'data 7',
 109                  'dir2/dir3/thing8.txt': 'data 8'}
 110
 111         for k, v in files.items():
 112             with open(os.path.join(self.mounttmp, k)) as f:
 113                 self.assertEqual(v, f.read())
 114
 115
 116 class FuseMagicTest(MountTestBase):
 117     def setUp(self):
 118         super(FuseMagicTest, self).setUp()
 119
 120         cw = arvados.CollectionWriter()
 121
 122         cw.start_new_file('thing1.txt')
 123         cw.write("data 1")
 124
 125         self.testcollection = cw.finish()
 126         self.api.collections().create(body={"manifest_text":cw.manifest_text()}).execute()
 127
 128     def runTest(self):
 129         # Create the request handler
 130         operations = fuse.Operations(os.getuid(), os.getgid())
 131         e = operations.inodes.add_entry(fuse.MagicDirectory(llfuse.ROOT_INODE, operations.inodes, self.api, 0))
 132
 133         self.mounttmp = tempfile.mkdtemp()
 134
 135         llfuse.init(operations, self.mounttmp, [])
 136         t = threading.Thread(None, lambda: llfuse.main())
 137         t.start()
 138
 139         # wait until the driver is finished initializing
 140         operations.initlock.wait()
 141
 142         # now check some stuff
 143         d1 = os.listdir(self.mounttmp)
 144         d1.sort()
 145         self.assertEqual(['README'], d1)
 146
 147         d2 = os.listdir(os.path.join(self.mounttmp, self.testcollection))
 148         d2.sort()
 149         self.assertEqual(['thing1.txt'], d2)
 150
 151         d3 = os.listdir(self.mounttmp)
 152         d3.sort()
 153         self.assertEqual([self.testcollection, 'README'], d3)
 154
 155         files = {}
 156         files[os.path.join(self.mounttmp, self.testcollection, 'thing1.txt')] = 'data 1'
 157
 158         for k, v in files.items():
 159             with open(os.path.join(self.mounttmp, k)) as f:
 160                 self.assertEqual(v, f.read())
 161
 162
 163 class FuseTagsTest(MountTestBase):
 164     def runTest(self):
 165         operations = fuse.Operations(os.getuid(), os.getgid())
 166         e = operations.inodes.add_entry(fuse.TagsDirectory(llfuse.ROOT_INODE, operations.inodes, self.api, 0))
 167
 168         llfuse.init(operations, self.mounttmp, [])
 169         t = threading.Thread(None, lambda: llfuse.main())
 170         t.start()
 171
 172         # wait until the driver is finished initializing
 173         operations.initlock.wait()
 174
 175         d1 = os.listdir(self.mounttmp)
 176         d1.sort()
 177         self.assertEqual(['foo_tag'], d1)
 178
 179         d2 = os.listdir(os.path.join(self.mounttmp, 'foo_tag'))
 180         d2.sort()
 181         self.assertEqual(['zzzzz-4zz18-fy296fx3hot09f7'], d2)
 182
 183         d3 = os.listdir(os.path.join(self.mounttmp, 'foo_tag', 'zzzzz-4zz18-fy296fx3hot09f7'))
 184         d3.sort()
 185         self.assertEqual(['foo'], d3)
 186
 187
 188 class FuseTagsUpdateTest(MountTestBase):
 189     def runRealTest(self):
 190         operations = fuse.Operations(os.getuid(), os.getgid())
 191         e = operations.inodes.add_entry(fuse.TagsDirectory(llfuse.ROOT_INODE, operations.inodes, self.api, 0, poll_time=1))
 192
 193         llfuse.init(operations, self.mounttmp, [])
 194         t = threading.Thread(None, lambda: llfuse.main())
 195         t.start()
 196
 197         # wait until the driver is finished initializing
 198         operations.initlock.wait()
 199
 200         d1 = os.listdir(self.mounttmp)
 201         d1.sort()
 202         self.assertEqual(['foo_tag'], d1)
 203
 204         self.api.links().create(body={'link': {
 205             'head_uuid': 'fa7aeb5140e2848d39b416daeef4ffc5+45',
 206             'link_class': 'tag',
 207             'name': 'bar_tag'
 208         }}).execute()
 209
 210         time.sleep(1)
 211
 212         d2 = os.listdir(self.mounttmp)
 213         d2.sort()
 214         self.assertEqual(['bar_tag', 'foo_tag'], d2)
 215
 216         d3 = os.listdir(os.path.join(self.mounttmp, 'bar_tag'))
 217         d3.sort()
 218         self.assertEqual(['fa7aeb5140e2848d39b416daeef4ffc5+45'], d3)
 219
 220         l = self.api.links().create(body={'link': {
 221             'head_uuid': 'ea10d51bcf88862dbcc36eb292017dfd+45',
 222             'link_class': 'tag',
 223             'name': 'bar_tag'
 224         }}).execute()
 225
 226         time.sleep(1)
 227
 228         d4 = os.listdir(os.path.join(self.mounttmp, 'bar_tag'))
 229         d4.sort()
 230         self.assertEqual(['ea10d51bcf88862dbcc36eb292017dfd+45', 'fa7aeb5140e2848d39b416daeef4ffc5+45'], d4)
 231
 232         self.api.links().delete(uuid=l['uuid']).execute()
 233
 234         time.sleep(1)
 235
 236         d5 = os.listdir(os.path.join(self.mounttmp, 'bar_tag'))
 237         d5.sort()
 238         self.assertEqual(['fa7aeb5140e2848d39b416daeef4ffc5+45'], d5)
 239
 240
 241 class FuseSharedTest(MountTestBase):
 242     def runTest(self):
 243         operations = fuse.Operations(os.getuid(), os.getgid())
 244         e = operations.inodes.add_entry(fuse.SharedDirectory(llfuse.ROOT_INODE, operations.inodes, self.api, 0, self.api.users().current().execute()['uuid']))
 245
 246         llfuse.init(operations, self.mounttmp, [])
 247         t = threading.Thread(None, lambda: llfuse.main())
 248         t.start()
 249
 250         # wait until the driver is finished initializing
 251         operations.initlock.wait()
 252
 253         # shared_dirs is a list of the directories exposed
 254         # by fuse.SharedDirectory (i.e. any object visible
 255         # to the current user)
 256         shared_dirs = os.listdir(self.mounttmp)
 257         shared_dirs.sort()
 258         self.assertIn('FUSE User', shared_dirs)
 259
 260         # fuse_user_objs is a list of the objects owned by the FUSE
 261         # test user (which present as files in the 'FUSE User'
 262         # directory)
 263         fuse_user_objs = os.listdir(os.path.join(self.mounttmp, 'FUSE User'))
 264         fuse_user_objs.sort()
 265         self.assertEqual(['Empty collection.link',                # permission link on collection
 266                           'FUSE Test Project',                    # project owned by user
 267                           'collection #1 owned by FUSE',          # collection owned by user
 268                           'collection #2 owned by FUSE',          # collection owned by user
 269                           'pipeline instance owned by FUSE.pipelineInstance',  # pipeline instance owned by user
 270                       ], fuse_user_objs)
 271
 272         # test_proj_files is a list of the files in the FUSE Test Project.
 273         test_proj_files = os.listdir(os.path.join(self.mounttmp, 'FUSE User', 'FUSE Test Project'))
 274         test_proj_files.sort()
 275         self.assertEqual(['collection in FUSE project',
 276                           'pipeline instance in FUSE project.pipelineInstance',
 277                           'pipeline template in FUSE project.pipelineTemplate'
 278                       ], test_proj_files)
 279
 280         # Double check that we can open and read objects in this folder as a file,
 281         # and that its contents are what we expect.
 282         with open(os.path.join(
 283                 self.mounttmp,
 284                 'FUSE User',
 285                 'FUSE Test Project',
 286                 'pipeline template in FUSE project.pipelineTemplate')) as f:
 287             j = json.load(f)
 288             self.assertEqual("pipeline template in FUSE project", j['name'])
 289
 290
 291 class FuseHomeTest(MountTestBase):
 292     def runTest(self):
 293         operations = fuse.Operations(os.getuid(), os.getgid())
 294         e = operations.inodes.add_entry(fuse.ProjectDirectory(llfuse.ROOT_INODE, operations.inodes, self.api, 0, self.api.users().current().execute()))
 295
 296         llfuse.init(operations, self.mounttmp, [])
 297         t = threading.Thread(None, lambda: llfuse.main())
 298         t.start()
 299
 300         # wait until the driver is finished initializing
 301         operations.initlock.wait()
 302
 303         d1 = os.listdir(self.mounttmp)
 304         d1.sort()
 305         self.assertIn('Unrestricted public data', d1)
 306
 307         d2 = os.listdir(os.path.join(self.mounttmp, 'Unrestricted public data'))
 308         d2.sort()
 309         self.assertEqual(['GNU General Public License, version 3'], d2)
 310
 311         d3 = os.listdir(os.path.join(self.mounttmp, 'Unrestricted public data', 'GNU General Public License, version 3'))
 312         d3.sort()
 313         self.assertEqual(["GNU_General_Public_License,_version_3.pdf"], d3)