src/allmydata/test/test_client.py

   1 import os
   2 from twisted.trial import unittest
   3 from twisted.application import service
   4
   5 import allmydata
   6 from allmydata.node import OldConfigError
   7 from allmydata import client
   8 from allmydata.storage_client import StorageFarmBroker
   9 from allmydata.util import base32, fileutil
  10 from allmydata.interfaces import IFilesystemNode, IFileNode, \
  11      IImmutableFileNode, IMutableFileNode, IDirectoryNode
  12 from foolscap.api import flushEventualQueue
  13 import allmydata.test.common_util as testutil
  14
  15 import mock
  16
  17 BASECONFIG = ("[client]\n"
  18               "introducer.furl = \n"
  19               )
  20
  21 BASECONFIG_I = ("[client]\n"
  22               "introducer.furl = %s\n"
  23               )
  24
  25 class Basic(testutil.ReallyEqualMixin, unittest.TestCase):
  26     def test_loadable(self):
  27         basedir = "test_client.Basic.test_loadable"
  28         os.mkdir(basedir)
  29         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
  30                            BASECONFIG)
  31         client.Client(basedir)
  32
  33     @mock.patch('twisted.python.log.msg')
  34     def test_error_on_old_config_files(self, mock_log_msg):
  35         basedir = "test_client.Basic.test_error_on_old_config_files"
  36         os.mkdir(basedir)
  37         fileutil.write(os.path.join(basedir, "tahoe.cfg"),
  38                        BASECONFIG +
  39                        "[storage]\n" +
  40                        "enabled = false\n" +
  41                        "reserved_space = bogus\n")
  42         fileutil.write(os.path.join(basedir, "introducer.furl"), "")
  43         fileutil.write(os.path.join(basedir, "no_storage"), "")
  44         fileutil.write(os.path.join(basedir, "readonly_storage"), "")
  45         fileutil.write(os.path.join(basedir, "debug_discard_storage"), "")
  46
  47         e = self.failUnlessRaises(OldConfigError, client.Client, basedir)
  48         self.failUnlessIn(os.path.abspath(os.path.join(basedir, "introducer.furl")), e.args[0])
  49         self.failUnlessIn(os.path.abspath(os.path.join(basedir, "no_storage")), e.args[0])
  50         self.failUnlessIn(os.path.abspath(os.path.join(basedir, "readonly_storage")), e.args[0])
  51         self.failUnlessIn(os.path.abspath(os.path.join(basedir, "debug_discard_storage")), e.args[0])
  52
  53         for oldfile in ['introducer.furl', 'no_storage', 'readonly_storage',
  54                         'debug_discard_storage']:
  55             logged = [ m for m in mock_log_msg.call_args_list if
  56                        ("Found pre-Tahoe-LAFS-v1.3 configuration file" in str(m[0][0]) and oldfile in str(m[0][0])) ]
  57             self.failUnless(logged, (oldfile, mock_log_msg.call_args_list))
  58
  59         for oldfile in [
  60             'nickname', 'webport', 'keepalive_timeout', 'log_gatherer.furl',
  61             'disconnect_timeout', 'advertised_ip_addresses', 'helper.furl',
  62             'key_generator.furl', 'stats_gatherer.furl', 'sizelimit',
  63             'run_helper']:
  64             logged = [ m for m in mock_log_msg.call_args_list if
  65                        ("Found pre-Tahoe-LAFS-v1.3 configuration file" in str(m[0][0]) and oldfile in str(m[0][0])) ]
  66             self.failIf(logged, oldfile)
  67
  68     def test_secrets(self):
  69         basedir = "test_client.Basic.test_secrets"
  70         os.mkdir(basedir)
  71         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
  72                            BASECONFIG)
  73         c = client.Client(basedir)
  74         secret_fname = os.path.join(basedir, "private", "secret")
  75         self.failUnless(os.path.exists(secret_fname), secret_fname)
  76         renew_secret = c.get_renewal_secret()
  77         self.failUnless(base32.b2a(renew_secret))
  78         cancel_secret = c.get_cancel_secret()
  79         self.failUnless(base32.b2a(cancel_secret))
  80
  81     def test_reserved_1(self):
  82         basedir = "client.Basic.test_reserved_1"
  83         os.mkdir(basedir)
  84         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
  85                            BASECONFIG + \
  86                            "[storage]\n" + \
  87                            "enabled = true\n" + \
  88                            "reserved_space = 1000\n")
  89         c = client.Client(basedir)
  90         self.failUnlessEqual(c.getServiceNamed("storage").reserved_space, 1000)
  91
  92     def test_reserved_2(self):
  93         basedir = "client.Basic.test_reserved_2"
  94         os.mkdir(basedir)
  95         fileutil.write(os.path.join(basedir, "tahoe.cfg"),  \
  96                            BASECONFIG + \
  97                            "[storage]\n" + \
  98                            "enabled = true\n" + \
  99                            "reserved_space = 10K\n")
 100         c = client.Client(basedir)
 101         self.failUnlessEqual(c.getServiceNamed("storage").reserved_space, 10*1000)
 102
 103     def test_reserved_3(self):
 104         basedir = "client.Basic.test_reserved_3"
 105         os.mkdir(basedir)
 106         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
 107                            BASECONFIG + \
 108                            "[storage]\n" + \
 109                            "enabled = true\n" + \
 110                            "reserved_space = 5mB\n")
 111         c = client.Client(basedir)
 112         self.failUnlessEqual(c.getServiceNamed("storage").reserved_space,
 113                              5*1000*1000)
 114
 115     def test_reserved_4(self):
 116         basedir = "client.Basic.test_reserved_4"
 117         os.mkdir(basedir)
 118         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
 119                            BASECONFIG + \
 120                            "[storage]\n" + \
 121                            "enabled = true\n" + \
 122                            "reserved_space = 78Gb\n")
 123         c = client.Client(basedir)
 124         self.failUnlessEqual(c.getServiceNamed("storage").reserved_space,
 125                              78*1000*1000*1000)
 126
 127     def test_reserved_bad(self):
 128         basedir = "client.Basic.test_reserved_bad"
 129         os.mkdir(basedir)
 130         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
 131                            BASECONFIG + \
 132                            "[storage]\n" + \
 133                            "enabled = true\n" + \
 134                            "reserved_space = bogus\n")
 135         c = client.Client(basedir)
 136         self.failUnlessEqual(c.getServiceNamed("storage").reserved_space, 0)
 137
 138     def _permute(self, sb, key):
 139         return [ s.get_serverid() for s in sb.get_servers_for_psi(key) ]
 140
 141     def test_permute(self):
 142         sb = StorageFarmBroker(None, True)
 143         for k in ["%d" % i for i in range(5)]:
 144             sb.test_add_rref(k, "rref")
 145
 146         self.failUnlessReallyEqual(self._permute(sb, "one"), ['3','1','0','4','2'])
 147         self.failUnlessReallyEqual(self._permute(sb, "two"), ['0','4','2','1','3'])
 148         sb.servers.clear()
 149         self.failUnlessReallyEqual(self._permute(sb, "one"), [])
 150
 151     def test_versions(self):
 152         basedir = "test_client.Basic.test_versions"
 153         os.mkdir(basedir)
 154         fileutil.write(os.path.join(basedir, "tahoe.cfg"), \
 155                            BASECONFIG + \
 156                            "[storage]\n" + \
 157                            "enabled = true\n")
 158         c = client.Client(basedir)
 159         ss = c.getServiceNamed("storage")
 160         verdict = ss.remote_get_version()
 161         self.failUnlessReallyEqual(verdict["application-version"],
 162                                    str(allmydata.__full_version__))
 163         self.failIfEqual(str(allmydata.__version__), "unknown")
 164         self.failUnless("." in str(allmydata.__full_version__),
 165                         "non-numeric version in '%s'" % allmydata.__version__)
 166         all_versions = allmydata.get_package_versions_string()
 167         self.failUnless(allmydata.__appname__ in all_versions)
 168         # also test stats
 169         stats = c.get_stats()
 170         self.failUnless("node.uptime" in stats)
 171         self.failUnless(isinstance(stats["node.uptime"], float))
 172
 173 def flush_but_dont_ignore(res):
 174     d = flushEventualQueue()
 175     def _done(ignored):
 176         return res
 177     d.addCallback(_done)
 178     return d
 179
 180 class Run(unittest.TestCase, testutil.StallMixin):
 181
 182     def setUp(self):
 183         self.sparent = service.MultiService()
 184         self.sparent.startService()
 185     def tearDown(self):
 186         d = self.sparent.stopService()
 187         d.addBoth(flush_but_dont_ignore)
 188         return d
 189
 190     def test_loadable(self):
 191         basedir = "test_client.Run.test_loadable"
 192         os.mkdir(basedir)
 193         dummy = "pb://wl74cyahejagspqgy4x5ukrvfnevlknt@127.0.0.1:58889/bogus"
 194         fileutil.write(os.path.join(basedir, "tahoe.cfg"), BASECONFIG_I % dummy)
 195         fileutil.write(os.path.join(basedir, "suicide_prevention_hotline"), "")
 196         client.Client(basedir)
 197
 198     def test_reloadable(self):
 199         basedir = "test_client.Run.test_reloadable"
 200         os.mkdir(basedir)
 201         dummy = "pb://wl74cyahejagspqgy4x5ukrvfnevlknt@127.0.0.1:58889/bogus"
 202         fileutil.write(os.path.join(basedir, "tahoe.cfg"), BASECONFIG_I % dummy)
 203         c1 = client.Client(basedir)
 204         c1.setServiceParent(self.sparent)
 205
 206         # delay to let the service start up completely. I'm not entirely sure
 207         # this is necessary.
 208         d = self.stall(delay=2.0)
 209         d.addCallback(lambda res: c1.disownServiceParent())
 210         # the cygwin buildslave seems to need more time to let the old
 211         # service completely shut down. When delay=0.1, I saw this test fail,
 212         # probably due to the logport trying to reclaim the old socket
 213         # number. This suggests that either we're dropping a Deferred
 214         # somewhere in the shutdown sequence, or that cygwin is just cranky.
 215         d.addCallback(self.stall, delay=2.0)
 216         def _restart(res):
 217             # TODO: pause for slightly over one second, to let
 218             # Client._check_hotline poll the file once. That will exercise
 219             # another few lines. Then add another test in which we don't
 220             # update the file at all, and watch to see the node shutdown. (to
 221             # do this, use a modified node which overrides Node.shutdown(),
 222             # also change _check_hotline to use it instead of a raw
 223             # reactor.stop, also instrument the shutdown event in an
 224             # attribute that we can check)
 225             c2 = client.Client(basedir)
 226             c2.setServiceParent(self.sparent)
 227             return c2.disownServiceParent()
 228         d.addCallback(_restart)
 229         return d
 230
 231 class NodeMaker(testutil.ReallyEqualMixin, unittest.TestCase):
 232     def test_maker(self):
 233         basedir = "client/NodeMaker/maker"
 234         fileutil.make_dirs(basedir)
 235         fileutil.write(os.path.join(basedir, "tahoe.cfg"), BASECONFIG)
 236         c = client.Client(basedir)
 237
 238         n = c.create_node_from_uri("URI:CHK:6nmrpsubgbe57udnexlkiwzmlu:bjt7j6hshrlmadjyr7otq3dc24end5meo5xcr5xe5r663po6itmq:3:10:7277")
 239         self.failUnless(IFilesystemNode.providedBy(n))
 240         self.failUnless(IFileNode.providedBy(n))
 241         self.failUnless(IImmutableFileNode.providedBy(n))
 242         self.failIf(IMutableFileNode.providedBy(n))
 243         self.failIf(IDirectoryNode.providedBy(n))
 244         self.failUnless(n.is_readonly())
 245         self.failIf(n.is_mutable())
 246
 247         n = c.create_node_from_uri("URI:LIT:n5xgk")
 248         self.failUnless(IFilesystemNode.providedBy(n))
 249         self.failUnless(IFileNode.providedBy(n))
 250         self.failUnless(IImmutableFileNode.providedBy(n))
 251         self.failIf(IMutableFileNode.providedBy(n))
 252         self.failIf(IDirectoryNode.providedBy(n))
 253         self.failUnless(n.is_readonly())
 254         self.failIf(n.is_mutable())
 255
 256         n = c.create_node_from_uri("URI:SSK:n6x24zd3seu725yluj75q5boaa:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
 257         self.failUnless(IFilesystemNode.providedBy(n))
 258         self.failUnless(IFileNode.providedBy(n))
 259         self.failIf(IImmutableFileNode.providedBy(n))
 260         self.failUnless(IMutableFileNode.providedBy(n))
 261         self.failIf(IDirectoryNode.providedBy(n))
 262         self.failIf(n.is_readonly())
 263         self.failUnless(n.is_mutable())
 264
 265         n = c.create_node_from_uri("URI:SSK-RO:b7sr5qsifnicca7cbk3rhrhbvq:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
 266         self.failUnless(IFilesystemNode.providedBy(n))
 267         self.failUnless(IFileNode.providedBy(n))
 268         self.failIf(IImmutableFileNode.providedBy(n))
 269         self.failUnless(IMutableFileNode.providedBy(n))
 270         self.failIf(IDirectoryNode.providedBy(n))
 271         self.failUnless(n.is_readonly())
 272         self.failUnless(n.is_mutable())
 273
 274         n = c.create_node_from_uri("URI:DIR2:n6x24zd3seu725yluj75q5boaa:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
 275         self.failUnless(IFilesystemNode.providedBy(n))
 276         self.failIf(IFileNode.providedBy(n))
 277         self.failIf(IImmutableFileNode.providedBy(n))
 278         self.failIf(IMutableFileNode.providedBy(n))
 279         self.failUnless(IDirectoryNode.providedBy(n))
 280         self.failIf(n.is_readonly())
 281         self.failUnless(n.is_mutable())
 282
 283         n = c.create_node_from_uri("URI:DIR2-RO:b7sr5qsifnicca7cbk3rhrhbvq:mm6yoqjhl6ueh7iereldqxue4nene4wl7rqfjfybqrehdqmqskvq")
 284         self.failUnless(IFilesystemNode.providedBy(n))
 285         self.failIf(IFileNode.providedBy(n))
 286         self.failIf(IImmutableFileNode.providedBy(n))
 287         self.failIf(IMutableFileNode.providedBy(n))
 288         self.failUnless(IDirectoryNode.providedBy(n))
 289         self.failUnless(n.is_readonly())
 290         self.failUnless(n.is_mutable())
 291
 292         unknown_rw = "lafs://from_the_future"
 293         unknown_ro = "lafs://readonly_from_the_future"
 294         n = c.create_node_from_uri(unknown_rw, unknown_ro)
 295         self.failUnless(IFilesystemNode.providedBy(n))
 296         self.failIf(IFileNode.providedBy(n))
 297         self.failIf(IImmutableFileNode.providedBy(n))
 298         self.failIf(IMutableFileNode.providedBy(n))
 299         self.failIf(IDirectoryNode.providedBy(n))
 300         self.failUnless(n.is_unknown())
 301         self.failUnlessReallyEqual(n.get_uri(), unknown_rw)
 302         self.failUnlessReallyEqual(n.get_write_uri(), unknown_rw)
 303         self.failUnlessReallyEqual(n.get_readonly_uri(), "ro." + unknown_ro)
 304
 305         # Note: it isn't that we *intend* to deploy non-ASCII caps in
 306         # the future, it is that we want to make sure older Tahoe-LAFS
 307         # versions wouldn't choke on them if we were to do so. See
 308         # #1051 and wiki:NewCapDesign for details.
 309         unknown_rw = u"lafs://from_the_future_rw_\u263A".encode('utf-8')
 310         unknown_ro = u"lafs://readonly_from_the_future_ro_\u263A".encode('utf-8')
 311         n = c.create_node_from_uri(unknown_rw, unknown_ro)
 312         self.failUnless(IFilesystemNode.providedBy(n))
 313         self.failIf(IFileNode.providedBy(n))
 314         self.failIf(IImmutableFileNode.providedBy(n))
 315         self.failIf(IMutableFileNode.providedBy(n))
 316         self.failIf(IDirectoryNode.providedBy(n))
 317         self.failUnless(n.is_unknown())
 318         self.failUnlessReallyEqual(n.get_uri(), unknown_rw)
 319         self.failUnlessReallyEqual(n.get_write_uri(), unknown_rw)
 320         self.failUnlessReallyEqual(n.get_readonly_uri(), "ro." + unknown_ro)