| 1 | ############################################################################ |
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| 2 | # |
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| 3 | # DSAGE: Distributed SAGE |
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| 4 | # |
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| 5 | # Copyright (C) 2006, 2007 Yi Qiang <yqiang@gmail.com> |
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| 6 | # |
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| 7 | # Distributed under the terms of the GNU General Public License (GPL) |
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| 8 | # |
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| 9 | # This code is distributed in the hope that it will be useful, |
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| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | # General Public License for more details. |
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| 13 | # |
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| 14 | # The full text of the GPL is available at: |
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| 15 | # |
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| 16 | # http://www.gnu.org/licenses/ |
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| 17 | ############################################################################ |
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| 18 | |
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| 19 | from twisted.spread import pb |
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| 20 | from zope.interface import implements |
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| 21 | from twisted.cred import portal, credentials |
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| 22 | from twisted.cred.credentials import ISSHPrivateKey |
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| 23 | from twisted.cred.credentials import Anonymous |
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| 24 | from twisted.spread.interfaces import IJellyable |
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| 25 | from twisted.spread.pb import IPerspective, AsReferenceable |
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| 26 | from twisted.python import log |
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| 27 | |
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| 28 | from sage.dsage.misc.hostinfo import HostInfo |
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| 29 | import sage.dsage.server.worker_tracker as worker_tracker |
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| 30 | from sage.dsage.errors.exceptions import BadTypeError, BadJobError |
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| 31 | |
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| 32 | pb.setUnjellyableForClass(HostInfo, HostInfo) |
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| 33 | |
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| 34 | class WorkerPBServerFactory(pb.PBServerFactory): |
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| 35 | r""" |
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| 36 | This factory serves workers requests. |
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| 37 | |
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| 38 | """ |
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| 39 | |
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| 40 | def __init__(self, root): |
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| 41 | pb.PBServerFactory.__init__(self, root) |
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| 42 | |
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| 43 | def clientConnectionMade(self, broker): |
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| 44 | """Keeps a 3-tuple of connected workers. |
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| 45 | tuple[0] - the broker |
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| 46 | tuple[1] - the worker ip |
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| 47 | tuple[2] - the worker port |
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| 48 | |
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| 49 | """ |
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| 50 | |
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| 51 | broker.notifyOnDisconnect(self.clientConnectionLost) |
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| 52 | worker_tracker.add((broker, |
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| 53 | broker.transport.getPeer().host, |
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| 54 | broker.transport.getPeer().port)) |
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| 55 | |
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| 56 | def clientConnectionLost(self): |
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| 57 | for broker, host, port in worker_tracker.worker_list: |
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| 58 | if broker.transport.disconnected: |
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| 59 | worker_tracker.remove((broker, host, port)) |
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| 60 | |
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| 61 | class PBClientFactory(pb.PBClientFactory): |
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| 62 | r""" |
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| 63 | Custom implementation of the PBClientFactory that supports logging in |
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| 64 | with public key as well as anonymous credentials. |
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| 65 | |
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| 66 | """ |
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| 67 | |
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| 68 | def login(self, creds, mind=None): |
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| 69 | if ISSHPrivateKey.providedBy(creds): |
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| 70 | d = self.getRootObject() |
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| 71 | d.addCallback(self._cbSendUsername, |
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| 72 | creds.username, |
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| 73 | creds.algName, |
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| 74 | creds.blob, |
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| 75 | creds.sigData, |
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| 76 | creds.signature, |
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| 77 | mind) |
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| 78 | |
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| 79 | return d |
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| 80 | else: |
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| 81 | d = self.getRootObject() |
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| 82 | d.addCallback(self._cbAnonymousLogin, mind) |
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| 83 | return d |
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| 84 | |
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| 85 | def _cbSendUsername(self, root, username, alg_name, blob, sig_data, |
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| 86 | signature, mind): |
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| 87 | d = root.callRemote("login", username, alg_name, blob, sig_data, |
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| 88 | signature, mind) |
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| 89 | return d |
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| 90 | |
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| 91 | def _cbAnonymousLogin(self, root, mind): |
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| 92 | d = root.callRemote("login_anonymous", mind) |
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| 93 | |
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| 94 | return d |
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| 95 | |
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| 96 | class _SSHKeyPortalRoot(pb._PortalRoot): |
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| 97 | def rootObject(self, broker): |
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| 98 | return _SSHKeyPortalWrapper(self.portal, broker) |
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| 99 | |
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| 100 | class _SSHKeyPortalWrapper(pb._PortalWrapper): |
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| 101 | def remote_login(self, username, alg_name, blob, data, signature, mind): |
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| 102 | pubkey_cred = credentials.SSHPrivateKey(username, |
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| 103 | alg_name, |
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| 104 | blob, |
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| 105 | data, |
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| 106 | signature) |
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| 107 | |
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| 108 | d = self.portal.login(pubkey_cred, mind, IPerspective) |
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| 109 | d.addCallback(self._loggedIn) |
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| 110 | |
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| 111 | return d |
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| 112 | |
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| 113 | def remote_login_anonymous(self, mind): |
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| 114 | d = self.portal.login(Anonymous(), mind, IPerspective) |
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| 115 | d.addCallback(self._loggedIn) |
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| 116 | |
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| 117 | return d |
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| 118 | |
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| 119 | def _loggedIn(self, (interface, perspective, logout)): |
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| 120 | if not IJellyable.providedBy(perspective): |
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| 121 | perspective = AsReferenceable(perspective, "perspective") |
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| 122 | self.broker.notifyOnDisconnect(logout) |
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| 123 | |
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| 124 | return perspective |
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| 125 | |
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| 126 | class DefaultPerspective(pb.Avatar): |
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| 127 | r""" |
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| 128 | Custom implementation of pb.Avatar so we can keep track of the broker. |
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| 129 | |
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| 130 | """ |
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| 131 | |
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| 132 | current_connections = 0 |
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| 133 | |
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| 134 | def __init__(self, DSageServer, avatarID): |
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| 135 | self.DSageServer = DSageServer |
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| 136 | self.avatarID = avatarID |
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| 137 | |
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| 138 | log.msg('%s connected' % self.avatarID) |
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| 139 | |
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| 140 | def perspectiveMessageReceived(self, broker, message, args, kw): |
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| 141 | self.broker = broker |
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| 142 | |
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| 143 | return pb.Avatar.perspectiveMessageReceived(self, broker, |
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| 144 | message, args, kw) |
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| 145 | |
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| 146 | def attached(self, avatar, mind): |
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| 147 | self.current_connections += 1 |
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| 148 | if isinstance(mind, tuple): |
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| 149 | self.mind = mind |
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| 150 | self.host_info = mind[1] |
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| 151 | self.host_info['ip'] = mind[0].broker.transport.getPeer().host |
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| 152 | self.host_info['port'] = mind[0].broker.transport.getPeer().port |
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| 153 | uuid = self.host_info['uuid'] |
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| 154 | if self.DSageServer.monitordb.get_monitor(uuid) is None: |
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| 155 | self.DSageServer.monitordb.add_monitor(self.host_info) |
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| 156 | self.DSageServer.monitordb.set_connected(uuid, connected=True) |
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| 157 | else: |
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| 158 | self.DSageServer.clientdb.update_login_time(self.avatarID) |
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| 159 | self.DSageServer.clientdb.set_connected(self.avatarID, connected=True) |
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| 160 | |
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| 161 | def detached(self, avatar, mind): |
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| 162 | self.current_connections -= 1 |
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| 163 | log.msg('%s disconnected' % (self.avatarID)) |
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| 164 | if isinstance(mind, tuple): |
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| 165 | self.DSageServer.monitordb.set_connected(self.host_info['uuid'], connected=False) |
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| 166 | else: |
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| 167 | self.DSageServer.clientdb.set_connected(self.avatarID, connected=False) |
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| 168 | |
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| 169 | class AnonymousMonitorPerspective(DefaultPerspective): |
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| 170 | r""" |
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| 171 | Defines the perspective of an anonymous worker. |
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| 172 | |
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| 173 | """ |
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| 174 | |
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| 175 | def __init__(self, DSageServer, avatarID): |
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| 176 | DefaultPerspective.__init__(self, DSageServer, avatarID) |
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| 177 | |
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| 178 | def perspective_get_job(self): |
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| 179 | r""" |
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| 180 | Returns jobs only marked as doable by anonymous workers. |
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| 181 | |
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| 182 | """ |
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| 183 | |
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| 184 | uuid = self.mind[1]['uuid'] |
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| 185 | jdict = self.DSageServer.get_job(anonymous=True) |
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| 186 | if jdict is not None: |
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| 187 | self.DSageServer.set_job_uuid(jdict['job_id'], uuid) |
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| 188 | self.DSageServer.set_busy(uuid, busy=True) |
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| 189 | else: |
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| 190 | self.DSageServer.set_busy(uuid, busy=False) |
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| 191 | |
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| 192 | return jdict |
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| 193 | |
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| 194 | def perspective_get_killed_jobs_list(self): |
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| 195 | return self.DSageServer.get_killed_jobs_list() |
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| 196 | |
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| 197 | |
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| 198 | def perspective_job_failed(self, job_id): |
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| 199 | if not isinstance(job_id, str): |
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| 200 | print 'Bad job_id [%s] passed to perspective_job_failed' % (job_id) |
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| 201 | raise BadTypeError() |
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| 202 | |
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| 203 | uuid = self.mind[1]['uuid'] |
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| 204 | self.DSageServer.set_busy(uuid, busy=False) |
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| 205 | |
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| 206 | return self.DSageServer.job_failed(job_id) |
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| 207 | |
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| 208 | def perspective_job_done(self, job_id, output, |
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| 209 | result, completed, worker_info): |
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| 210 | if not (isinstance(job_id, str) or isinstance(completed, bool)): |
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| 211 | print 'Bad job_id passed to perspective_job_done' |
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| 212 | raise BadTypeError() |
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| 213 | |
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| 214 | return self.DSageServer.job_done(job_id, output, result, |
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| 215 | completed, worker_info) |
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| 216 | |
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| 217 | class MonitorPerspective(DefaultPerspective): |
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| 218 | r""" |
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| 219 | Defines the perspective of an authenticated worker to the server. |
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| 220 | |
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| 221 | """ |
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| 222 | def __init__(self, DSageServer, avatarID): |
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| 223 | DefaultPerspective.__init__(self, DSageServer, avatarID) |
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| 224 | |
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| 225 | def perspective_get_job(self): |
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| 226 | r""" |
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| 227 | Returns jobs to authenticated workers. |
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| 228 | |
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| 229 | """ |
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| 230 | |
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| 231 | uuid = self.mind[1]['uuid'] |
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| 232 | jdict = self.DSageServer.get_job(anonymous=False, uuid=uuid) |
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| 233 | if jdict is not None: |
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| 234 | self.DSageServer.set_job_uuid(jdict['job_id'], uuid) |
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| 235 | self.DSageServer.set_busy(uuid, busy=True) |
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| 236 | else: |
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| 237 | self.DSageServer.set_busy(uuid, busy=False) |
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| 238 | |
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| 239 | return jdict |
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| 240 | |
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| 241 | def perspective_job_done(self, job_id, output, result, |
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| 242 | completed, worker_info): |
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| 243 | if not (isinstance(job_id, str) or isinstance(completed, bool)): |
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| 244 | print 'Bad job_id passed to perspective_job_done' |
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| 245 | print 'job_id: %s' % (job_id) |
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| 246 | print 'output: %s' % (output) |
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| 247 | # print 'result: %s' % (result) |
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| 248 | print 'completed: %s' % (completed) |
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| 249 | print 'worker_info: %s' % (worker_info) |
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| 250 | raise BadTypeError() |
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| 251 | if completed: |
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| 252 | uuid = self.mind[1]['uuid'] |
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| 253 | self.DSageServer.set_busy(uuid, busy=False) |
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| 254 | |
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| 255 | return self.DSageServer.job_done(job_id, output, result, |
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| 256 | completed, worker_info) |
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| 257 | |
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| 258 | def perspective_job_failed(self, job_id): |
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| 259 | if not isinstance(job_id, str): |
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| 260 | print 'Bad job_id [%s] passed to perspective_job_failed' % (job_id) |
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| 261 | raise BadTypeError() |
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| 262 | |
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| 263 | uuid = self.mind[1]['uuid'] |
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| 264 | self.DSageServer.set_busy(uuid, busy=False) |
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| 265 | |
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| 266 | return self.DSageServer.job_failed(job_id) |
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| 267 | |
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| 268 | def perspective_submit_host_info(self, hostinfo): |
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| 269 | if not isinstance(hostinfo, dict): |
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| 270 | raise BadTypeError() |
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| 271 | return self.DSageServer.submit_host_info(hostinfo) |
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| 272 | |
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| 273 | def perspective_get_killed_jobs_list(self): |
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| 274 | return self.DSageServer.get_killed_jobs_list() |
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| 275 | |
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| 276 | class UserPerspective(DefaultPerspective): |
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| 277 | r""" |
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| 278 | Defines the perspective of a regular user to the server. |
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| 279 | |
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| 280 | """ |
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| 281 | def __init__(self, DSageServer, avatarID): |
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| 282 | DefaultPerspective.__init__(self, DSageServer, avatarID) |
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| 283 | |
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| 284 | def perspective_get_job_by_id(self, job_id): |
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| 285 | if not isinstance(job_id, str): |
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| 286 | print 'Bad job_id [%s] passed to get_job_by_id' % (job_id) |
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| 287 | raise BadTypeError() |
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| 288 | # log.msg('Returning job %s to %s' % (job_id, self.avatarID)) |
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| 289 | job = self.DSageServer.get_job_by_id(job_id) |
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| 290 | |
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| 291 | return job |
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| 292 | |
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| 293 | def perspective_get_jobs_by_username(self, username): |
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| 294 | if not (isinstance(username, str)): |
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| 295 | print 'Bad username [%s] passed to perspective_get_jobs_by_username' % (username) |
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| 296 | raise BadTypeError() |
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| 297 | |
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| 298 | jobs = self.DSageServer.get_jobs_by_username(username) |
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| 299 | |
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| 300 | return jobs |
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| 301 | |
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| 302 | def perspective_get_job_result_by_id(self, job_id): |
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| 303 | if not isinstance(job_id, str): |
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| 304 | print 'Bad job_id [%s] passed to perspective_get_job_result_by_id' % (job_id) |
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| 305 | raise BadTypeError() |
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| 306 | |
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| 307 | return self.DSageServer.get_job_result_by_id(job_id) |
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| 308 | |
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| 309 | def perspective_get_job_output_by_id(self, job_id): |
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| 310 | if not isinstance(job_id, str): |
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| 311 | print 'Bad job_id [%s] passed to get_job_output_by_id' % (job_id) |
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| 312 | raise BadTypeError() |
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| 313 | |
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| 314 | return self.DSageServer.get_job_output_by_id(job_id) |
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| 315 | |
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| 316 | def perspective_sync_job(self, job_id): |
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| 317 | if not isinstance(job_id, str): |
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| 318 | return None |
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| 319 | |
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| 320 | return self.DSageServer.sync_job(job_id) |
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| 321 | |
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| 322 | def perspective_submit_job(self, jdict): |
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| 323 | if jdict is None: |
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| 324 | raise BadJobError() |
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| 325 | if jdict['username'] != self.avatarID: |
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| 326 | print 'username does not match credentials' |
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| 327 | print 'claim: %s\n actual:%s' % (jdict['username'], self.avatarID) |
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| 328 | raise BadJobError() |
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| 329 | |
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| 330 | return self.DSageServer.submit_job(jdict) |
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| 331 | |
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| 332 | def perspective_kill_job(self, job_id, reason=None): |
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| 333 | if not isinstance(job_id, str): |
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| 334 | print 'Bad job_id [%s] passed to perspective_kill_job' % job_id |
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| 335 | raise BadTypeError() |
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| 336 | |
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| 337 | return self.DSageServer.kill_job(job_id, reason) |
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| 338 | |
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| 339 | def perspective_get_cluster_speed(self): |
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| 340 | return self.DSageServer.get_cluster_speed() |
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| 341 | |
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| 342 | def perspective_get_monitor_list(self): |
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| 343 | # return [x[1] for x in self.DSageServer.get_worker_list()] |
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| 344 | return self.DSageServer.get_monitor_list() |
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| 345 | |
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| 346 | def perspective_get_client_list(self): |
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| 347 | return self.DSageServer.get_client_list() |
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| 348 | |
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| 349 | def perspective_submit_host_info(self, hostinfo): |
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| 350 | if not isinstance(hostinfo, dict): |
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| 351 | raise BadTypeError() |
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| 352 | return self.DSageServer.submit_host_info(hostinfo) |
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| 353 | |
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| 354 | def perspective_get_killed_jobs_list(self): |
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| 355 | return self.DSageServer.get_killed_jobs_list() |
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| 356 | |
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| 357 | class AdminPerspective(UserPerspective): |
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| 358 | r""" |
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| 359 | Defines the perspective of the admin. |
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| 360 | |
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| 361 | """ |
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| 362 | |
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| 363 | def __init__(self, DSageServer, avatarID): |
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| 364 | UserPerspective.__init__(self, DSageServer, avatarID) |
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| 365 | |
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| 366 | class Realm(object): |
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| 367 | implements(portal.IRealm) |
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| 368 | |
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| 369 | def __init__(self, DSageServer): |
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| 370 | self.DSageServer = DSageServer |
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| 371 | |
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| 372 | def requestAvatar(self, avatarID, mind, *interfaces): |
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| 373 | if not pb.IPerspective in interfaces: |
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| 374 | raise NotImplementedError, "No supported avatar interface." |
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| 375 | else: |
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| 376 | if avatarID == 'admin': |
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| 377 | avatar = AdminPerspective(self.DSageServer, avatarID) |
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| 378 | elif avatarID == 'Anonymous' and mind: |
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| 379 | avatar = AnonymousMonitorPerspective(self.DSageServer, |
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| 380 | avatarID) |
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| 381 | elif mind: |
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| 382 | avatar = MonitorPerspective(self.DSageServer, avatarID) |
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| 383 | else: |
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| 384 | avatar = UserPerspective(self.DSageServer, avatarID) |
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| 385 | avatar.attached(avatar, mind) |
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| 386 | return pb.IPerspective, avatar, lambda a=avatar:a.detached(avatar, |
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| 387 | mind) |
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