# Tubs, so it is not useful for tests that involve a Helper, a KeyGenerator,
# or the control.furl .
-import os.path
+import os
from zope.interface import implements
from twisted.application import service
from twisted.internet import defer, reactor
from twisted.python.failure import Failure
from foolscap.api import Referenceable, fireEventually, RemoteException
from base64 import b32encode
+
+from allmydata.util.assertutil import _assert
+
from allmydata import uri as tahoe_uri
from allmydata.client import Client
from allmydata.storage.server import StorageServer, storage_index_to_dir
from allmydata.util import fileutil, idlib, hashutil
from allmydata.util.hashutil import sha1
from allmydata.test.common_web import HTTPClientGETFactory
-from allmydata.interfaces import IStorageBroker
+from allmydata.interfaces import IStorageBroker, IServer
+from allmydata.test.common import TEST_RSA_KEY_SIZE
+
class IntentionalError(Exception):
pass
self.hung_until = None
self.post_call_notifier = None
self.disconnectors = {}
+ self.counter_by_methname = {}
+
+ def _clear_counters(self):
+ self.counter_by_methname = {}
def callRemoteOnly(self, methname, *args, **kwargs):
d = self.callRemote(methname, *args, **kwargs)
kwargs = dict([(k,wrap(kwargs[k])) for k in kwargs])
def _really_call():
+ def incr(d, k): d[k] = d.setdefault(k, 0) + 1
+ incr(self.counter_by_methname, methname)
meth = getattr(self.original, "remote_" + methname)
return meth(*args, **kwargs)
def _call():
if self.broken:
+ if self.broken is not True: # a counter, not boolean
+ self.broken -= 1
raise IntentionalError("I was asked to break")
if self.hung_until:
d2 = defer.Deferred()
wrapper.version = original.remote_get_version()
return wrapper
+class NoNetworkServer:
+ implements(IServer)
+ def __init__(self, serverid, rref):
+ self.serverid = serverid
+ self.rref = rref
+ def __repr__(self):
+ return "<NoNetworkServer for %s>" % self.get_name()
+ # Special method used by copy.copy() and copy.deepcopy(). When those are
+ # used in allmydata.immutable.filenode to copy CheckResults during
+ # repair, we want it to treat the IServer instances as singletons.
+ def __copy__(self):
+ return self
+ def __deepcopy__(self, memodict):
+ return self
+ def get_serverid(self):
+ return self.serverid
+ def get_permutation_seed(self):
+ return self.serverid
+ def get_lease_seed(self):
+ return self.serverid
+ def get_foolscap_write_enabler_seed(self):
+ return self.serverid
+
+ def get_name(self):
+ return idlib.shortnodeid_b2a(self.serverid)
+ def get_longname(self):
+ return idlib.nodeid_b2a(self.serverid)
+ def get_nickname(self):
+ return "nickname"
+ def get_rref(self):
+ return self.rref
+ def get_version(self):
+ return self.rref.version
+
class NoNetworkStorageBroker:
implements(IStorageBroker)
- def get_servers_for_index(self, key):
- return sorted(self.client._servers,
- key=lambda x: sha1(key+x[0]).digest())
- def get_all_servers(self):
- return frozenset(self.client._servers)
+ def get_servers_for_psi(self, peer_selection_index):
+ def _permuted(server):
+ seed = server.get_permutation_seed()
+ return sha1(peer_selection_index + seed).digest()
+ return sorted(self.get_connected_servers(), key=_permuted)
+ def get_connected_servers(self):
+ return self.client._servers
def get_nickname_for_serverid(self, serverid):
return None
class NoNetworkClient(Client):
+
+ def disownServiceParent(self):
+ self.disownServiceParent()
def create_tub(self):
pass
def init_introducer_client(self):
self.basedir = basedir
fileutil.make_dirs(basedir)
- self.servers_by_number = {}
- self.servers_by_id = {}
+ self.servers_by_number = {} # maps to StorageServer instance
+ self.wrappers_by_id = {} # maps to wrapped StorageServer instance
+ self.proxies_by_id = {} # maps to IServer on which .rref is a wrapped
+ # StorageServer
self.clients = []
+ self.client_config_hooks = client_config_hooks
for i in range(num_servers):
ss = self.make_server(i)
self.rebuild_serverlist()
for i in range(num_clients):
- clientid = hashutil.tagged_hash("clientid", str(i))[:20]
- clientdir = os.path.join(basedir, "clients",
- idlib.shortnodeid_b2a(clientid))
- fileutil.make_dirs(clientdir)
- f = open(os.path.join(clientdir, "tahoe.cfg"), "w")
+ c = self.make_client(i)
+ self.clients.append(c)
+
+ def make_client(self, i, write_config=True):
+ clientid = hashutil.tagged_hash("clientid", str(i))[:20]
+ clientdir = os.path.join(self.basedir, "clients",
+ idlib.shortnodeid_b2a(clientid))
+ fileutil.make_dirs(clientdir)
+
+ tahoe_cfg_path = os.path.join(clientdir, "tahoe.cfg")
+ if write_config:
+ f = open(tahoe_cfg_path, "w")
f.write("[node]\n")
f.write("nickname = client-%d\n" % i)
f.write("web.port = tcp:0:interface=127.0.0.1\n")
f.write("[storage]\n")
f.write("enabled = false\n")
f.close()
- c = None
- if i in client_config_hooks:
- # this hook can either modify tahoe.cfg, or return an
- # entirely new Client instance
- c = client_config_hooks[i](clientdir)
- if not c:
- c = NoNetworkClient(clientdir)
- c.set_default_mutable_keysize(522)
- c.nodeid = clientid
- c.short_nodeid = b32encode(clientid).lower()[:8]
- c._servers = self.all_servers # can be updated later
- c.setServiceParent(self)
- self.clients.append(c)
-
- def make_server(self, i):
+ else:
+ _assert(os.path.exists(tahoe_cfg_path), tahoe_cfg_path=tahoe_cfg_path)
+
+ c = None
+ if i in self.client_config_hooks:
+ # this hook can either modify tahoe.cfg, or return an
+ # entirely new Client instance
+ c = self.client_config_hooks[i](clientdir)
+
+ if not c:
+ c = NoNetworkClient(clientdir)
+ c.set_default_mutable_keysize(TEST_RSA_KEY_SIZE)
+
+ c.nodeid = clientid
+ c.short_nodeid = b32encode(clientid).lower()[:8]
+ c._servers = self.all_servers # can be updated later
+ c.setServiceParent(self)
+ return c
+
+ def make_server(self, i, readonly=False):
serverid = hashutil.tagged_hash("serverid", str(i))[:20]
serverdir = os.path.join(self.basedir, "servers",
- idlib.shortnodeid_b2a(serverid))
+ idlib.shortnodeid_b2a(serverid), "storage")
fileutil.make_dirs(serverdir)
- ss = StorageServer(serverdir, serverid, stats_provider=SimpleStats())
+ ss = StorageServer(serverdir, serverid, stats_provider=SimpleStats(),
+ readonly_storage=readonly)
+ ss._no_network_server_number = i
return ss
def add_server(self, i, ss):
ss.setServiceParent(middleman)
serverid = ss.my_nodeid
self.servers_by_number[i] = ss
- self.servers_by_id[serverid] = wrap_storage_server(ss)
+ wrapper = wrap_storage_server(ss)
+ self.wrappers_by_id[serverid] = wrapper
+ self.proxies_by_id[serverid] = NoNetworkServer(serverid, wrapper)
self.rebuild_serverlist()
+ def get_all_serverids(self):
+ return self.proxies_by_id.keys()
+
def rebuild_serverlist(self):
- self.all_servers = frozenset(self.servers_by_id.items())
+ self.all_servers = frozenset(self.proxies_by_id.values())
for c in self.clients:
c._servers = self.all_servers
if ss.my_nodeid == serverid:
del self.servers_by_number[i]
break
- del self.servers_by_id[serverid]
+ del self.wrappers_by_id[serverid]
+ del self.proxies_by_id[serverid]
self.rebuild_serverlist()
+ return ss
- def break_server(self, serverid):
+ def break_server(self, serverid, count=True):
# mark the given server as broken, so it will throw exceptions when
- # asked to hold a share
- self.servers_by_id[serverid].broken = True
-
- def hang_server(self, serverid, until=defer.Deferred()):
- # hang the given server until 'until' fires
- self.servers_by_id[serverid].hung_until = until
+ # asked to hold a share or serve a share. If count= is a number,
+ # throw that many exceptions before starting to work again.
+ self.wrappers_by_id[serverid].broken = count
+
+ def hang_server(self, serverid):
+ # hang the given server
+ ss = self.wrappers_by_id[serverid]
+ assert ss.hung_until is None
+ ss.hung_until = defer.Deferred()
+
+ def unhang_server(self, serverid):
+ # unhang the given server
+ ss = self.wrappers_by_id[serverid]
+ assert ss.hung_until is not None
+ ss.hung_until.callback(None)
+ ss.hung_until = None
+
+ def nuke_from_orbit(self):
+ """ Empty all share directories in this grid. It's the only way to be sure ;-) """
+ for server in self.servers_by_number.values():
+ for prefixdir in os.listdir(server.sharedir):
+ if prefixdir != 'incoming':
+ fileutil.rm_dir(os.path.join(server.sharedir, prefixdir))
class GridTestMixin:
num_servers=num_servers,
client_config_hooks=client_config_hooks)
self.g.setServiceParent(self.s)
- self.client_webports = [c.getServiceNamed("webish").listener._port.getHost().port
+ self._record_webports_and_baseurls()
+
+ def _record_webports_and_baseurls(self):
+ self.client_webports = [c.getServiceNamed("webish").getPortnum()
+ for c in self.g.clients]
+ self.client_baseurls = [c.getServiceNamed("webish").getURL()
for c in self.g.clients]
- self.client_baseurls = ["http://localhost:%d/" % p
- for p in self.client_webports]
def get_clientdir(self, i=0):
return self.g.clients[i].basedir
+ def set_clientdir(self, basedir, i=0):
+ self.g.clients[i].basedir = basedir
+
+ def get_client(self, i=0):
+ return self.g.clients[i]
+
+ def restart_client(self, i=0):
+ client = self.g.clients[i]
+ d = defer.succeed(None)
+ d.addCallback(lambda ign: self.g.removeService(client))
+ def _make_client(ign):
+ c = self.g.make_client(i, write_config=False)
+ self.g.clients[i] = c
+ self._record_webports_and_baseurls()
+ d.addCallback(_make_client)
+ return d
+
def get_serverdir(self, i):
return self.g.servers_by_number[i].storedir
ss = self.g.servers_by_number[i]
yield (i, ss, ss.storedir)
- def find_shares(self, uri):
+ def find_uri_shares(self, uri):
si = tahoe_uri.from_string(uri).get_storage_index()
prefixdir = storage_index_to_dir(si)
shares = []
for i,ss in self.g.servers_by_number.items():
serverid = ss.my_nodeid
- basedir = os.path.join(ss.storedir, "shares", prefixdir)
+ basedir = os.path.join(ss.sharedir, prefixdir)
if not os.path.exists(basedir):
continue
for f in os.listdir(basedir):
pass
return sorted(shares)
+ def copy_shares(self, uri):
+ shares = {}
+ for (shnum, serverid, sharefile) in self.find_uri_shares(uri):
+ shares[sharefile] = open(sharefile, "rb").read()
+ return shares
+
+ def restore_all_shares(self, shares):
+ for sharefile, data in shares.items():
+ open(sharefile, "wb").write(data)
+
def delete_share(self, (shnum, serverid, sharefile)):
os.unlink(sharefile)
def delete_shares_numbered(self, uri, shnums):
- for (i_shnum, i_serverid, i_sharefile) in self.find_shares(uri):
+ for (i_shnum, i_serverid, i_sharefile) in self.find_uri_shares(uri):
if i_shnum in shnums:
os.unlink(i_sharefile)
+ def delete_all_shares(self, serverdir):
+ sharedir = os.path.join(serverdir, "shares")
+ for prefixdir in os.listdir(sharedir):
+ if prefixdir != 'incoming':
+ fileutil.rm_dir(os.path.join(sharedir, prefixdir))
+
def corrupt_share(self, (shnum, serverid, sharefile), corruptor_function):
sharedata = open(sharefile, "rb").read()
corruptdata = corruptor_function(sharedata)
open(sharefile, "wb").write(corruptdata)
def corrupt_shares_numbered(self, uri, shnums, corruptor, debug=False):
- for (i_shnum, i_serverid, i_sharefile) in self.find_shares(uri):
+ for (i_shnum, i_serverid, i_sharefile) in self.find_uri_shares(uri):
if i_shnum in shnums:
sharedata = open(i_sharefile, "rb").read()
corruptdata = corruptor(sharedata, debug=debug)
open(i_sharefile, "wb").write(corruptdata)
+ def corrupt_all_shares(self, uri, corruptor, debug=False):
+ for (i_shnum, i_serverid, i_sharefile) in self.find_uri_shares(uri):
+ sharedata = open(i_sharefile, "rb").read()
+ corruptdata = corruptor(sharedata, debug=debug)
+ open(i_sharefile, "wb").write(corruptdata)
+
def GET(self, urlpath, followRedirect=False, return_response=False,
method="GET", clientnum=0, **kwargs):
# if return_response=True, this fires with (data, statuscode,
if return_response:
d.addCallback(_got_data)
return factory.deferred
+
+ def PUT(self, urlpath, **kwargs):
+ return self.GET(urlpath, method="PUT", **kwargs)
projects / tahoe-lafs / tahoe-lafs.git / blobdiff