X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/a67a5a723afbe322f9727c7e1d83072b59a93299..04849845c49a37671b5aab3bedfa3b287e6d13f3:/code/main.py diff --git a/code/main.py b/code/main.py index 7513973..540b3f4 100755 --- a/code/main.py +++ b/code/main.py @@ -6,12 +6,12 @@ import cPickle import cgi import datetime import hmac +import random import sha import simplejson import sys import time import urllib -import random from StringIO import StringIO def revertStandardError(): @@ -34,13 +34,15 @@ if __name__ == '__main__': import templates from Cheetah.Template import Template -import sipb_xen_database -from sipb_xen_database import Machine, CDROM, ctx, connect, MachineAccess, Type, Autoinstall import validation import cache_acls -from webcommon import InvalidInput, CodeError, State +from webcommon import State import controls from getafsgroups import getAfsGroupMembers +from invirt import database +from invirt.database import Machine, CDROM, session, connect, MachineAccess, Type, Autoinstall +from invirt.config import structs as config +from invirt.common import InvalidInput, CodeError def pathSplit(path): if path.startswith('/'): @@ -83,7 +85,8 @@ def makeErrorPre(old, addition): else: return '

STDERR:

' + str(addition) + '
' -Template.sipb_xen_database = sipb_xen_database +Template.database = database +Template.config = config Template.helppopup = staticmethod(helppopup) Template.err = None @@ -243,18 +246,12 @@ def vnc(username, state, path, fields): """ machine = validation.Validate(username, state, machine_id=fields.getfirst('machine_id')).machine - TOKEN_KEY = "0M6W0U1IXexThi5idy8mnkqPKEq1LtEnlK/pZSn0cDrN" - - data = {} - data["user"] = username - data["machine"] = machine.name - data["expires"] = time.time()+(5*60) - pickled_data = cPickle.dumps(data) - m = hmac.new(TOKEN_KEY, digestmod=sha) - m.update(pickled_data) - token = {'data': pickled_data, 'digest': m.digest()} - token = cPickle.dumps(token) - token = base64.urlsafe_b64encode(token) + token = controls.vnctoken(machine) + host = controls.listHost(machine) + if host: + port = 10003 + [h.hostname for h in config.hosts].index(host) + else: + port = 5900 # dummy status = controls.statusInfo(machine) has_vnc = hasVnc(status) @@ -264,6 +261,7 @@ def vnc(username, state, path, fields): has_vnc=has_vnc, machine=machine, hostname=state.environ.get('SERVER_NAME', 'localhost'), + port=port, authtoken=token) return templates.vnc(searchList=[d]) @@ -275,7 +273,7 @@ def getHostname(nic): if nic.hostname and '.' in nic.hostname: return nic.hostname elif nic.machine: - return nic.machine.name + '.xvm.mit.edu' + return nic.machine.name + '.' + config.dns.domains[0] else: return None @@ -353,7 +351,7 @@ def modifyDict(username, state, fields): Return a list of local variables for modify.tmpl. """ olddisk = {} - transaction = ctx.current.create_transaction() + session.begin() try: kws = dict([(kw, fields.getfirst(kw)) for kw in 'machine_id owner admin contact name description memory vmtype disksize'.split()]) validate = validation.Validate(username, state, **kws) @@ -372,7 +370,7 @@ def modifyDict(username, state, fields): if disk.size != disksize: olddisk[disk.guest_device_name] = disksize disk.size = disksize - ctx.current.save(disk) + session.save_or_update(disk) update_acl = False if hasattr(validate, 'owner') and validate.owner != machine.owner: @@ -388,13 +386,12 @@ def modifyDict(username, state, fields): if hasattr(validate, 'contact'): machine.contact = validate.contact - ctx.current.save(machine) + session.save_or_update(machine) if update_acl: - print >> sys.stderr, machine, machine.administrator cache_acls.refreshMachine(machine) - transaction.commit() + session.commit() except: - transaction.rollback() + session.rollback() raise for diskname in olddisk: controls.resizeDisk(oldname, diskname, str(olddisk[diskname])) @@ -429,11 +426,24 @@ def helpHandler(username, state, path, fields): simple = fields.getfirst('simple') subjects = fields.getlist('subject') - help_mapping = {'ParaVM Console': """ + help_mapping = { + 'Autoinstalls': """ +The autoinstaller builds a minimal Debian or Ubuntu system to run as a +ParaVM. You can access the resulting system by logging into the serial console server +with your Kerberos tickets; there is no root password so sshd will +refuse login.

+ +

Under the covers, the autoinstaller uses our own patched version of +xen-create-image, which is a tool based on debootstrap. If you log +into the serial console while the install is running, you can watch +it. +""", + 'ParaVM Console': """ ParaVM machines do not support local console access over VNC. To access the serial console of these machines, you can SSH with Kerberos -to console.xvm.mit.edu, using the name of the machine as your -username.""", +to %s, using the name of the machine as your +username.""" % config.console.hostname, 'HVM/ParaVM': """ HVM machines use the virtualization features of the processor, while ParaVM machines use Xen's emulation of virtualization features. You @@ -461,6 +471,10 @@ active machines.""", setting fb=false to disable the framebuffer. If you don't, your machine will run just fine, but the applet's display of the console will suffer artifacts. +""", + 'Windows': """ +Windows Vista: The Vista image is licensed for all MIT students and will automatically activate off the network; see the licensing confirmation e-mail for details. The installer req uires 512 MB RAM and at least 7.5 GB disk space (15 GB or more recommended).
+Windows XP: This is the volume license CD image. You will need your own volume license key to complete the install. We do not have these available for the general MIT community; ask your department if they have one. """ } @@ -491,6 +505,7 @@ def infoDict(username, state, machine): cputime = None else: main_status = dict(status[1:]) + main_status['host'] = controls.listHost(machine) start_time = float(main_status.get('start_time', 0)) uptime = datetime.timedelta(seconds=int(time.time()-start_time)) cpu_time_float = float(main_status.get('cpu_time', 0)) @@ -507,6 +522,7 @@ def infoDict(username, state, machine): 'NIC_INFO', ('uptime', 'uptime'), ('cputime', 'CPU usage'), + ('host', 'Hosted on'), ('memory', 'RAM'), 'DISK_INFO', ('state', 'state (xen format)'), @@ -585,14 +601,15 @@ def unauthFront(_, _2, _3, fields): """Information for unauth'd users.""" return templates.unauth(searchList=[{'simple' : True}]) -def overlord(username, state, path, fields): +def admin(username, state, path, fields): if path == '': return ({'Status': '303 See Other', - 'Location': 'overlord/'}, + 'Location': 'admin/'}, "You shouldn't see this message.") - if not username in getAfsGroupMembers('system:xvm', 'athena.mit.edu'): - raise InvalidInput('username', username, 'Not an overlord.') - newstate = State(username, overlord=True) + if not username in getAfsGroupMembers(config.web.adminacl, 'athena.mit.edu'): + raise InvalidInput('username', username, + 'Not in admin group %s.' % config.web.adminacl) + newstate = State(username, isadmin=True) newstate.environ = state.environ return handler(username, newstate, path, fields) @@ -608,7 +625,8 @@ mapping = dict(list=listVms, create=create, help=helpHandler, unauth=unauthFront, - overlord=overlord, + admin=admin, + overlord=admin, errortest=throwError) def printHeaders(headers): @@ -620,13 +638,13 @@ def printHeaders(headers): def send_error_mail(subject, body): import subprocess - to = 'xvm@mit.edu' + to = config.web.errormail mail = """To: %s -From: root@xvm.mit.edu +From: root@%s Subject: %s %s -""" % (to, subject, body) +""" % (to, config.web.hostname, subject, body) p = subprocess.Popen(['/usr/sbin/sendmail', to], stdin=subprocess.PIPE) p.stdin.write(mail) p.stdin.close() @@ -637,7 +655,8 @@ def show_error(op, username, fields, err, emsg, traceback): d = dict(op=op, user=username, fields=fields, errorMessage=str(err), stderr=emsg, traceback=traceback) details = templates.error_raw(searchList=[d]) - if username not in ('price', 'ecprice', 'andersk'): #add yourself at will + exclude = config.web.errormail_exclude + if username not in exclude and '*' not in exclude: send_error_mail('xvm error on %s for %s: %s' % (op, username, err), details) d['details'] = details @@ -645,7 +664,18 @@ def show_error(op, username, fields, err, emsg, traceback): def getUser(environ): """Return the current user based on the SSL environment variables""" - return environ.get('REMOTE_USER', None) + user = environ.get('REMOTE_USER') + if user is None: + return + + if environ.get('AUTH_TYPE') == 'Negotiate': + # Convert the krb5 principal into a krb4 username + if not user.endswith('@%s' % config.authn[0].realm): + return + else: + return user.split('@')[0].replace('/', '.') + else: + return user def handler(username, state, path, fields): operation, path = pathSplit(path) @@ -668,7 +698,7 @@ class App: def __iter__(self): start_time = time.time() - sipb_xen_database.clear_cache() + database.clear_cache() sys.stderr = StringIO() fields = cgi.FieldStorage(fp=self.environ['wsgi.input'], environ=self.environ) operation = self.environ.get('PATH_INFO', '') @@ -689,14 +719,12 @@ class App: headers.update(new_headers) e = revertStandardError() if e: - if isinstance(output, basestring): - sys.stderr = StringIO() - x = str(output) - print >> sys.stderr, x - print >> sys.stderr, 'XXX' - print >> sys.stderr, e - raise Exception() - output.addError(e) + if hasattr(output, 'addError'): + output.addError(e) + else: + # This only happens on redirects, so it'd be a pain to get + # the message to the user. Maybe in the response is useful. + output = output + '\n\nstderr:\n' + e output_string = str(output) checkpoint.checkpoint('output as a string') except Exception, err: @@ -723,7 +751,7 @@ class App: yield '

%s
' % cgi.escape(str(checkpoint)) def constructor(): - connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen') + connect() return App def main():