STDERR:
' + str(addition) + '' +Template.sipb_xen_database = sipb_xen_database Template.helppopup = staticmethod(helppopup) Template.err = None @@ -96,8 +103,10 @@ class Defaults: memory = 256 disk = 4.0 cdrom = '' + autoinstall = '' name = '' - vmtype = 'hvm' + type = 'linux-hvm' + def __init__(self, max_memory=None, max_disk=None, **kws): if max_memory is not None: self.memory = min(self.memory, max_memory) @@ -136,25 +145,23 @@ def hasVnc(status): def parseCreate(user, fields): name = fields.getfirst('name') if not validation.validMachineName(name): - raise InvalidInput('name', name, 'You must provide a machine name.') + raise InvalidInput('name', name, 'You must provide a machine name. Max 22 chars, alnum plus \'-\' and \'_\'.') name = name.lower() if Machine.get_by(name=name): raise InvalidInput('name', name, "Name already exists.") - + owner = validation.testOwner(user, fields.getfirst('owner')) memory = fields.getfirst('memory') memory = validation.validMemory(owner, memory, on=True) - + disk_size = fields.getfirst('disk') disk_size = validation.validDisk(owner, disk_size) vm_type = fields.getfirst('vmtype') - if vm_type not in ('hvm', 'paravm'): - raise CodeError("Invalid vm type '%s'" % vm_type) - is_hvm = (vm_type == 'hvm') + vm_type = validation.validVmType(vm_type) cdrom = fields.getfirst('cdrom') if cdrom is not None and not CDROM.get(cdrom): @@ -163,9 +170,9 @@ def parseCreate(user, fields): clone_from = fields.getfirst('clone_from') if clone_from and clone_from != 'ice3': raise CodeError("Invalid clone image '%s'" % clone_from) - + return dict(contact=user, name=name, memory=memory, disk_size=disk_size, - owner=owner, is_hvm=is_hvm, cdrom=cdrom, clone_from=clone_from) + owner=owner, machine_type=vm_type, cdrom=cdrom, clone_from=clone_from) def create(user, fields): """Handler for create requests.""" @@ -188,20 +195,27 @@ def create(user, fields): def getListDict(user): + """Gets the list of local variables used by list.tmpl.""" + checkpoint.checkpoint('Starting') machines = g.machines checkpoint.checkpoint('Got my machines') on = {} has_vnc = {} - on = g.uptimes + xmlist = g.xmlist checkpoint.checkpoint('Got uptimes') + can_clone = (controls.getList([Machine.get_by(name='ice3')])) == {} for m in machines: - m.uptime = g.uptimes.get(m) - if not on[m]: + if m not in xmlist: has_vnc[m] = 'Off' - elif m.type.hvm: - has_vnc[m] = True + m.uptime = None else: - has_vnc[m] = "ParaVM"+helppopup("paravm_console") + m.uptime = xmlist[m]['uptime'] + if xmlist[m]['console']: + has_vnc[m] = True + elif m.type.hvm: + has_vnc[m] = "WTF?" + else: + has_vnc[m] = "ParaVM"+helppopup("ParaVM Console") max_memory = validation.maxMemory(user) max_disk = validation.maxDisk(user) checkpoint.checkpoint('Got max mem/disk') @@ -220,8 +234,7 @@ def getListDict(user): defaults=defaults, machines=machines, has_vnc=has_vnc, - uptimes=g.uptimes, - cdroms=CDROM.select()) + can_clone=can_clone) return d def listVms(user, fields): @@ -230,7 +243,7 @@ def listVms(user, fields): d = getListDict(user) checkpoint.checkpoint('Got list dict') return templates.list(searchList=[d]) - + def vnc(user, fields): """VNC applet page. @@ -242,9 +255,9 @@ def vnc(user, fields): You might want iptables like: -t nat -A PREROUTING -s ! 18.181.0.60 -i eth1 -p tcp -m tcp \ - --dport 10003 -j DNAT --to-destination 18.181.0.60:10003 + --dport 10003 -j DNAT --to-destination 18.181.0.60:10003 -t nat -A POSTROUTING -d 18.181.0.60 -o eth1 -p tcp -m tcp \ - --dport 10003 -j SNAT --to-source 18.187.7.142 + --dport 10003 -j SNAT --to-source 18.187.7.142 -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \ --dport 10003 -j ACCEPT @@ -252,7 +265,7 @@ def vnc(user, fields): echo 1 > /proc/sys/net/ipv4/ip_forward """ machine = validation.testMachineId(user, fields.getfirst('machine_id')) - + TOKEN_KEY = "0M6W0U1IXexThi5idy8mnkqPKEq1LtEnlK/pZSn0cDrN" data = {} @@ -265,10 +278,10 @@ def vnc(user, fields): token = {'data': pickled_data, 'digest': m.digest()} token = cPickle.dumps(token) token = base64.urlsafe_b64encode(token) - + status = controls.statusInfo(machine) has_vnc = hasVnc(status) - + d = dict(user=user, on=status, has_vnc=has_vnc, @@ -278,10 +291,14 @@ def vnc(user, fields): return templates.vnc(searchList=[d]) def getHostname(nic): + """Find the hostname associated with a NIC. + + XXX this should be merged with the similar logic in DNS and DHCP. + """ if nic.hostname and '.' in nic.hostname: return nic.hostname elif nic.machine: - return nic.machine.name + '.servers.csail.mit.edu' + return nic.machine.name + '.xvm.mit.edu' else: return None @@ -319,7 +336,7 @@ def getDiskInfo(data_dict, machine): disk_fields = [] for disk in machine.disks: name = disk.guest_device_name - disk_fields.extend([(x % name, y % name) for x, y in + disk_fields.extend([(x % name, y % name) for x, y in disk_fields_template]) data_dict['%s_size' % name] = "%0.1f GiB" % (disk.size / 1024.) return disk_fields @@ -354,6 +371,10 @@ def command(user, fields): raise InvalidInput('back', back, 'Not a known back page.') def modifyDict(user, fields): + """Modify a machine as specified by CGI arguments. + + Return a list of local variables for modify.tmpl. + """ olddisk = {} transaction = ctx.current.create_transaction() try: @@ -371,7 +392,11 @@ def modifyDict(user, fields): if memory is not None: memory = validation.validMemory(user, memory, machine, on=False) machine.memory = memory - + + vm_type = validation.validVmType(fields.getfirst('vmtype')) + if vm_type is not None: + machine.type = vm_type + disksize = validation.testDisk(user, fields.getfirst('disk')) if disksize is not None: disksize = validation.validDisk(user, disksize, machine) @@ -380,17 +405,22 @@ def modifyDict(user, fields): olddisk[disk.guest_device_name] = disksize disk.size = disksize ctx.current.save(disk) - - if owner is not None: + + update_acl = False + if owner is not None and owner != machine.owner: machine.owner = owner + update_acl = True if name is not None: machine.name = name - if admin is not None: + if admin is not None and admin != machine.administrator: machine.administrator = admin + update_acl = True if contact is not None: machine.contact = contact - + ctx.current.save(machine) + if update_acl: + cache_acls.refreshMachine(machine) transaction.commit() except: transaction.rollback() @@ -402,7 +432,7 @@ def modifyDict(user, fields): return dict(user=user, command=command, machine=machine) - + def modify(user, fields): """Handler for modifying attributes of a machine.""" try: @@ -421,62 +451,65 @@ def modify(user, fields): setattr(info_dict['defaults'], field, fields.getfirst(field)) info_dict['result'] = result return templates.info(searchList=[info_dict]) - + def helpHandler(user, fields): """Handler for help messages.""" simple = fields.getfirst('simple') subjects = fields.getlist('subject') - - help_mapping = dict(paravm_console=""" -ParaVM machines do not support console access over VNC. To access -these machines, you either need to boot with a liveCD and ssh in or -hope that the sipb-xen maintainers add support for serial consoles.""", - hvm_paravm=""" + + help_mapping = {'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.""", + 'HVM/ParaVM': """ HVM machines use the virtualization features of the processor, while ParaVM machines use Xen's emulation of virtualization features. You want an HVM virtualized machine.""", - cpu_weight=""" + 'CPU Weight': """ Don't ask us! We're as mystified as you are.""", - owner=""" + 'Owner': """ The owner field is used to determine quotas. It must be the name of a +href="help?subject=Quotas">quotas. It must be the name of a locker that you are an AFS administrator of. In particular, you or an AFS group you are a member of must have AFS rlidwka bits on the -locker. You can check see who administers the LOCKER locker using the -command 'fs la /mit/LOCKER' on Athena.) See also administrator.""", - administrator=""" +locker. You can check who administers the LOCKER locker using the +commands 'attach LOCKER; fs la /mit/LOCKER' on Athena.) See also administrator.""", + 'Administrator': """ The administrator field determines who can access the console and power on and off the machine. This can be either a user or a moira group.""", - quotas=""" + 'Quotas': """ Quotas are determined on a per-locker basis. Each locker may have a maximum of 512 megabytes of active ram, 50 gigabytes of disk, and 4 active machines.""", - console=""" + 'Console': """ Framebuffer: At a Linux boot prompt in your VM, try 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. """ - ) - + } + if not subjects: subjects = sorted(help_mapping.keys()) - + d = dict(user=user, simple=simple, subjects=subjects, mapping=help_mapping) - + return templates.help(searchList=[d]) - + def badOperation(u, e): + """Function called when accessing an unknown URI.""" raise CodeError("Unknown operation") def infoDict(user, machine): + """Get the variables used by info.tmpl.""" status = controls.statusInfo(machine) checkpoint.checkpoint('Getting status info') has_vnc = hasVnc(status) @@ -505,7 +538,7 @@ def infoDict(user, machine): ('memory', 'RAM'), 'DISK_INFO', ('state', 'state (xen format)'), - ('cpu_weight', 'CPU weight'+helppopup('cpu_weight')), + ('cpu_weight', 'CPU weight'+helppopup('CPU Weight')), ('on_reboot', 'Action on VM reboot'), ('on_poweroff', 'Action on VM poweroff'), ('on_crash', 'Action on VM crash'), @@ -523,14 +556,14 @@ def infoDict(user, machine): nic_fields = getNicInfo(machine_info, machine) nic_point = display_fields.index('NIC_INFO') - display_fields = (display_fields[:nic_point] + nic_fields + + display_fields = (display_fields[:nic_point] + nic_fields + display_fields[nic_point+1:]) disk_fields = getDiskInfo(machine_info, machine) disk_point = display_fields.index('DISK_INFO') - display_fields = (display_fields[:disk_point] + disk_fields + + display_fields = (display_fields[:disk_point] + disk_fields + display_fields[disk_point+1:]) - + main_status['memory'] += ' MiB' for field, disp in display_fields: if field in ('uptime', 'cputime') and locals()[field] is not None: @@ -552,10 +585,10 @@ def infoDict(user, machine): defaults = Defaults() for name in 'machine_id name administrator owner memory contact'.split(): setattr(defaults, name, getattr(machine, name)) + defaults.type = machine.type.type_id defaults.disk = "%0.2f" % (machine.disks[0].size/1024.) checkpoint.checkpoint('Got defaults') d = dict(user=user, - cdroms=CDROM.select(), on=status is not None, machine=machine, defaults=defaults, @@ -564,7 +597,7 @@ def infoDict(user, machine): ram=machine.memory, max_mem=max_mem, max_disk=max_disk, - owner_help=helppopup("owner"), + owner_help=helppopup("Owner"), fields = fields) return d @@ -575,15 +608,21 @@ def info(user, fields): checkpoint.checkpoint('Got infodict') return templates.info(searchList=[d]) +def unauthFront(_, fields): + """Information for unauth'd users.""" + return templates.unauth(searchList=[{'simple' : True}]) + mapping = dict(list=listVms, vnc=vnc, command=command, modify=modify, info=info, create=create, - help=helpHandler) + help=helpHandler, + unauth=unauthFront) def printHeaders(headers): + """Print a dictionary as HTTP headers.""" for key, value in headers.iteritems(): print '%s: %s' % (key, value) print @@ -591,10 +630,12 @@ def printHeaders(headers): def getUser(): """Return the current user based on the SSL environment variables""" - username = os.environ['SSL_CLIENT_S_DN_Email'].split("@")[0] - return username + email = os.environ.get('SSL_CLIENT_S_DN_Email', None) + if email is None: + return None + return email.split("@")[0] -def main(operation, user, fields): +def main(operation, user, fields): start_time = time.time() fun = mapping.get(operation, badOperation) @@ -616,7 +657,8 @@ def main(operation, user, fields): output_string = str(output) checkpoint.checkpoint('output as a string') print output_string - print '' % checkpoint + if fields.has_key('timedebug'): + print '
%s' % checkpoint except Exception, err: if not fields.has_key('js'): if isinstance(err, CodeError): @@ -631,7 +673,7 @@ def main(operation, user, fields): sys.exit(1) print 'Content-Type: text/plain\n' print 'Uh-oh! We experienced an error.' - print 'Please email sipb-xen@mit.edu with the contents of this page.' + print 'Please email xvm-dev@mit.edu with the contents of this page.' print '----' e = revertStandardError() print e @@ -640,6 +682,13 @@ def main(operation, user, fields): if __name__ == '__main__': fields = cgi.FieldStorage() + + if fields.has_key('sqldebug'): + import logging + logging.basicConfig() + logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO) + logging.getLogger('sqlalchemy.orm.unitofwork').setLevel(logging.INFO) + u = getUser() g.user = u operation = os.environ.get('PATH_INFO', '') @@ -648,6 +697,9 @@ if __name__ == '__main__': print 'Location: ' + os.environ['SCRIPT_NAME']+'/\n' sys.exit(0) + if u is None: + operation = 'unauth' + if operation.startswith('/'): operation = operation[1:] if not operation: