STDERR:
' + str(addition) + '' - -Template.helppopup = staticmethod(helppopup) -Template.err = None - -class JsonDict: - """Class to store a dictionary that will be converted to JSON""" - def __init__(self, **kws): - self.data = kws - if 'err' in kws: - err = kws['err'] - del kws['err'] - self.addError(err) - - def __str__(self): - return simplejson.dumps(self.data) +class InvirtWeb(View): + def __init__(self): + super(self.__class__,self).__init__() + connect() + self._cp_config['tools.require_login.on'] = True + self._cp_config['tools.catch_stderr.on'] = True + self._cp_config['tools.mako.imports'] = ['from invirt.config import structs as config', + 'from invirt import database'] + self._cp_config['request.error_response'] = self.handle_error + + static = InvirtStatic + + @cherrypy.expose + @cherrypy.tools.mako(filename="/invalid.mako") + def invalidInput(self): + """Print an error page when an InvalidInput exception occurs""" + err = cherrypy.request.prev.params["err"] + emsg = cherrypy.request.prev.params["emsg"] + d = dict(err_field=err.err_field, + err_value=str(err.err_value), stderr=emsg, + errorMessage=str(err)) + return d + + @cherrypy.expose + @cherrypy.tools.mako(filename="/error.mako") + def error(self): + """Print an error page when an exception occurs""" + op = cherrypy.request.prev.path_info + username = cherrypy.request.login + err = cherrypy.request.prev.params["err"] + emsg = cherrypy.request.prev.params["emsg"] + traceback = cherrypy.request.prev.params["traceback"] + d = dict(op=op, user=username, fields=cherrypy.request.prev.params, + errorMessage=str(err), stderr=emsg, traceback=traceback) + error_raw = cherrypy.request.lookup.get_template("/error_raw.mako") + details = error_raw.render(**d) + 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, cherrypy.request.login, err), + details) + d['details'] = details + return d + + def __getattr__(self, name): + # At the point __getattr__ is called, tools haven't been run. Make sure the user is logged in. + cherrypy.tools.remote_user_login.callable() + + if name in ("admin", "overlord"): + if not cherrypy.request.login in getAfsGroupMembers(config.adminacl, config.authz.afs.cells[0].cell): + raise InvalidInput('username', cherrypy.request.login, + 'Not in admin group %s.' % config.adminacl) + cherrypy.request.state = State(cherrypy.request.login, isadmin=True) + return self + else: + return super(InvirtWeb, self).__getattr__(name) + + def handle_error(self): + err = sys.exc_info()[1] + if isinstance(err, InvalidInput): + cherrypy.request.params['err'] = err + cherrypy.request.params['emsg'] = revertStandardError() + raise cherrypy.InternalRedirect('/invalidInput') + if not cherrypy.request.prev or 'err' not in cherrypy.request.prev.params: + cherrypy.request.params['err'] = err + cherrypy.request.params['emsg'] = revertStandardError() + cherrypy.request.params['traceback'] = _cperror.format_exc() + raise cherrypy.InternalRedirect('/error') + # fall back to cherrypy default error page + cherrypy.HTTPError(500).set_response() + + @cherrypy.expose + @cherrypy.tools.mako(filename="/list.mako") + def list(self, result=None): + """Handler for list requests.""" + d = getListDict(cherrypy.request.login, cherrypy.request.state) + if result is not None: + d['result'] = result + return d + index=list + + @cherrypy.expose + @cherrypy.tools.mako(filename="/help.mako") + def help(self, subject=None, simple=False): + """Handler for help messages.""" + + 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 %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 rely on a modified kernel to communicate directly with +the hypervisor. HVMs support boot CDs of any operating system, and +the VNC console applet. The three-minute autoinstaller produces +ParaVMs. ParaVMs typically are more efficient, and always support the +console server.
+ +More details are on the +wiki, including steps to prepare an HVM guest to boot as a ParaVM +(which you can skip by using the autoinstaller to begin with.)
+ +We recommend using a ParaVM when possible and an HVM when necessary.
+""",
+ 'CPU Weight': """
+Don't ask us! We're as mystified as you are.""",
+ 'Owner': """
+The owner field is used to determine 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 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 are determined on a per-locker basis. Each locker may have a
+maximum of 512 mebibytes of active ram, 50 gibibytes of disk, and 4
+active machines.""",
+ '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.
+""",
+ '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 requires 512 MiB RAM and at least 7.5 GiB disk space (15 GiB 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, or visit http://msca.mit.edu/ if you are staff/faculty to request one.
+"""
+ }
+
+ if not subject:
+ subject = sorted(help_mapping.keys())
+ if not isinstance(subject, list):
+ subject = [subject]
+
+ return dict(simple=simple,
+ subjects=subject,
+ mapping=help_mapping)
+ help._cp_config['tools.require_login.on'] = False
+
+ def parseCreate(self, fields):
+ kws = dict([(kw, fields[kw]) for kw in
+ 'name description owner memory disksize vmtype cdrom autoinstall'.split()
+ if fields[kw]])
+ validate = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ strict=True, **kws)
+ return dict(contact=cherrypy.request.login, name=validate.name,
+ description=validate.description, memory=validate.memory,
+ disksize=validate.disksize, owner=validate.owner,
+ machine_type=getattr(validate, 'vmtype', Defaults.type),
+ cdrom=getattr(validate, 'cdrom', None),
+ autoinstall=getattr(validate, 'autoinstall', None))
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/list.mako")
+ @cherrypy.tools.require_POST()
+ def create(self, **fields):
+ """Handler for create requests."""
+ try:
+ parsed_fields = self.parseCreate(fields)
+ machine = controls.createVm(cherrypy.request.login,
+ cherrypy.request.state, **parsed_fields)
+ except InvalidInput, err:
+ pass
+ else:
+ err = None
+ cherrypy.request.state.clear() #Changed global state
+ d = getListDict(cherrypy.request.login, cherrypy.request.state)
+ d['err'] = err
+ if err:
+ for field, value in fields.items():
+ setattr(d['defaults'], field, value)
+ else:
+ d['new_machine'] = parsed_fields['name']
+ return d
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/helloworld.mako")
+ def helloworld(self, **kwargs):
+ return {'request': cherrypy.request, 'kwargs': kwargs}
+ helloworld._cp_config['tools.require_login.on'] = False
+
+ @cherrypy.expose
+ def errortest(self):
+ """Throw an error, to test the error-tracing mechanisms."""
+ print >>sys.stderr, "look ma, it's a stderr"
+ raise RuntimeError("test of the emergency broadcast system")
+
+ class MachineView(View):
+ def __getattr__(self, name):
+ """Synthesize attributes to allow RESTful URLs like
+ /machine/13/info. This is hairy. CherryPy 3.2 adds a
+ method called _cp_dispatch that allows you to explicitly
+ handle URLs that can't be mapped, and it allows you to
+ rewrite the path components and continue processing.
+
+ This function gets the next path component being resolved
+ as a string. _cp_dispatch will get an array of strings
+ representing any subsequent path components as well."""
+
+ try:
+ cherrypy.request.params['machine_id'] = int(name)
+ return self
+ except ValueError:
+ return None
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/info.mako")
+ def info(self, machine_id):
+ """Handler for info on a single VM."""
+ machine = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id=machine_id).machine
+ d = infoDict(cherrypy.request.login, cherrypy.request.state, machine)
+ return d
+ index = info
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/info.mako")
+ @cherrypy.tools.require_POST()
+ def modify(self, machine_id, **fields):
+ """Handler for modifying attributes of a machine."""
+ try:
+ modify_dict = modifyDict(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id, fields)
+ except InvalidInput, err:
+ result = None
+ machine = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id=machine_id).machine
+ else:
+ machine = modify_dict['machine']
+ result = 'Success!'
+ err = None
+ info_dict = infoDict(cherrypy.request.login,
+ cherrypy.request.state, machine)
+ info_dict['err'] = err
+ if err:
+ for field, value in fields.items():
+ setattr(info_dict['defaults'], field, value)
+ info_dict['result'] = result
+ return info_dict
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/vnc.mako")
+ def vnc(self, machine_id):
+ """VNC applet page.
+
+ Note that due to same-domain restrictions, the applet connects to
+ the webserver, which needs to forward those requests to the xen
+ server. The Xen server runs another proxy that (1) authenticates
+ and (2) finds the correct port for the VM.
+
+ 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
+ -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
+ -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \
+ --dport 10003 -j ACCEPT
+
+ Remember to enable iptables!
+ echo 1 > /proc/sys/net/ipv4/ip_forward
+ """
+ machine = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id=machine_id).machine
+ 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)
+
+ d = dict(on=status,
+ has_vnc=has_vnc,
+ machine=machine,
+ hostname=cherrypy.request.local.name,
+ port=port,
+ authtoken=token)
+ return d
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/command.mako")
+ @cherrypy.tools.require_POST()
+ def command(self, command_name, machine_id, **kwargs):
+ """Handler for running commands like boot and delete on a VM."""
+ back = kwargs.get('back')
+ if command_name == 'delete':
+ back = 'list'
+ try:
+ d = controls.commandResult(cherrypy.request.login,
+ cherrypy.request.state,
+ command_name, machine_id, kwargs)
+ except InvalidInput, err:
+ if not back:
+ raise
+ print >> sys.stderr, err
+ result = str(err)
+ else:
+ result = 'Success!'
+ if not back:
+ return d
+ if back == 'list':
+ cherrypy.request.state.clear() #Changed global state
+ raise cherrypy.InternalRedirect('/list?result=%s'
+ % urllib.quote(result))
+ elif back == 'info':
+ raise cherrypy.HTTPRedirect(cherrypy.request.base
+ + '/machine/%d/' % machine_id,
+ status=303)
+ else:
+ raise InvalidInput('back', back, 'Not a known back page.')
+
+ machine = MachineView()
- def addError(self, text):
- """Add stderr text to be displayed on the website."""
- self.data['err'] = \
- makeErrorPre(self.data.get('err'), text)
class Defaults:
"""Class to store default values for fields."""
memory = 256
disk = 4.0
cdrom = ''
+ autoinstall = ''
name = ''
- vmtype = 'hvm'
+ description = ''
+ administrator = ''
+ 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)
if max_disk is not None:
- self.max_disk = min(self.disk, max_disk)
+ self.disk = min(self.disk, max_disk)
for key in kws:
setattr(self, key, kws[key])
-
-
-DEFAULT_HEADERS = {'Content-Type': 'text/html'}
-
-def error(op, user, fields, err, emsg):
- """Print an error page when a CodeError occurs"""
- d = dict(op=op, user=user, errorMessage=str(err),
- stderr=emsg)
- return templates.error(searchList=[d])
-
-def invalidInput(op, user, fields, err, emsg):
- """Print an error page when an InvalidInput exception occurs"""
- d = dict(op=op, user=user, err_field=err.err_field,
- err_value=str(err.err_value), stderr=emsg,
- errorMessage=str(err))
- return templates.invalid(searchList=[d])
-
def hasVnc(status):
"""Does the machine with a given status list support VNC?"""
if status is None:
@@ -133,155 +423,60 @@ def hasVnc(status):
return 'location' in d
return False
-def parseCreate(user, fields):
- name = fields.getfirst('name')
- if not validation.validMachineName(name):
- raise InvalidInput('name', name, 'You must provide a machine name.')
- 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')
-
- cdrom = fields.getfirst('cdrom')
- if cdrom is not None and not CDROM.get(cdrom):
- raise CodeError("Invalid cdrom type '%s'" % cdrom)
-
- 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)
-
-def create(user, fields):
- """Handler for create requests."""
- try:
- parsed_fields = parseCreate(user, fields)
- machine = controls.createVm(**parsed_fields)
- except InvalidInput, err:
- pass
- else:
- err = None
- g.clear() #Changed global state
- d = getListDict(user)
- d['err'] = err
- if err:
- for field in fields.keys():
- setattr(d['defaults'], field, fields.getfirst(field))
- else:
- d['new_machine'] = parsed_fields['name']
- return templates.list(searchList=[d])
-
-def getListDict(user):
- machines = g.machines
- checkpoint.checkpoint('Got my machines')
+def getListDict(username, state):
+ """Gets the list of local variables used by list.tmpl."""
+ machines = state.machines
on = {}
has_vnc = {}
- on = g.uptimes
- checkpoint.checkpoint('Got uptimes')
+ installing = {}
+ xmlist = state.xmlist
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")
- max_memory = validation.maxMemory(user)
- max_disk = validation.maxDisk(user)
- checkpoint.checkpoint('Got max mem/disk')
+ m.uptime = xmlist[m]['uptime']
+ installing[m] = bool(xmlist[m].get('autoinstall'))
+ if xmlist[m]['console']:
+ has_vnc[m] = True
+ elif m.type.hvm:
+ has_vnc[m] = "WTF?"
+ else:
+ has_vnc[m] = "ParaVM"
+ max_memory = validation.maxMemory(username, state)
+ max_disk = validation.maxDisk(username)
defaults = Defaults(max_memory=max_memory,
max_disk=max_disk,
- owner=user,
- cdrom='gutsy-i386')
- checkpoint.checkpoint('Got defaults')
- d = dict(user=user,
- cant_add_vm=validation.cantAddVm(user),
+ owner=username)
+ def sortkey(machine):
+ return (machine.owner != username, machine.owner, machine.name)
+ machines = sorted(machines, key=sortkey)
+ d = dict(user=username,
+ cant_add_vm=validation.cantAddVm(username, state),
max_memory=max_memory,
max_disk=max_disk,
defaults=defaults,
machines=machines,
has_vnc=has_vnc,
- uptimes=g.uptimes,
- cdroms=CDROM.select())
+ installing=installing)
return d
-def listVms(user, fields):
- """Handler for list requests."""
- checkpoint.checkpoint('Getting list dict')
- d = getListDict(user)
- checkpoint.checkpoint('Got list dict')
- return templates.list(searchList=[d])
-
-def vnc(user, fields):
- """VNC applet page.
-
- Note that due to same-domain restrictions, the applet connects to
- the webserver, which needs to forward those requests to the xen
- server. The Xen server runs another proxy that (1) authenticates
- and (2) finds the correct port for the VM.
-
- 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
- -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
- -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \
- --dport 10003 -j ACCEPT
-
- Remember to enable iptables!
- echo 1 > /proc/sys/net/ipv4/ip_forward
- """
- machine = validation.testMachineId(user, fields.getfirst('machine_id'))
-
- TOKEN_KEY = "0M6W0U1IXexThi5idy8mnkqPKEq1LtEnlK/pZSn0cDrN"
-
- data = {}
- data["user"] = user
- 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)
-
- status = controls.statusInfo(machine)
- has_vnc = hasVnc(status)
-
- d = dict(user=user,
- on=status,
- has_vnc=has_vnc,
- machine=machine,
- hostname=os.environ.get('SERVER_NAME', 'localhost'),
- authtoken=token)
- return templates.vnc(searchList=[d])
-
def getHostname(nic):
- if nic.hostname and '.' in nic.hostname:
- return nic.hostname
+ """Find the hostname associated with a NIC.
+
+ XXX this should be merged with the similar logic in DNS and DHCP.
+ """
+ if nic.hostname:
+ hostname = nic.hostname
elif nic.machine:
- return nic.machine.name + '.servers.csail.mit.edu'
+ hostname = nic.machine.name
else:
return None
-
+ if '.' in hostname:
+ return hostname
+ else:
+ return hostname + '.' + config.dns.domains[0]
def getNicInfo(data_dict, machine):
"""Helper function for info, get data on nics for a machine.
@@ -297,8 +492,7 @@ def getNicInfo(data_dict, machine):
nic_fields = []
for i in range(len(machine.nics)):
nic_fields.extend([(x % i, y % i) for x, y in nic_fields_template])
- if not i:
- data_dict['nic%s_hostname' % i] = getHostname(machine.nics[i])
+ data_dict['nic%s_hostname' % i] = getHostname(machine.nics[i])
data_dict['nic%s_mac' % i] = machine.nics[i].mac_addr
data_dict['nic%s_ip' % i] = machine.nics[i].ip
if len(machine.nics) == 1:
@@ -316,166 +510,91 @@ 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
-def command(user, fields):
- """Handler for running commands like boot and delete on a VM."""
- back = fields.getfirst('back')
- try:
- d = controls.commandResult(user, fields)
- if d['command'] == 'Delete VM':
- back = 'list'
- except InvalidInput, err:
- if not back:
- raise
- #print >> sys.stderr, err
- result = err
- else:
- result = 'Success!'
- if not back:
- return templates.command(searchList=[d])
- if back == 'list':
- g.clear() #Changed global state
- d = getListDict(user)
- d['result'] = result
- return templates.list(searchList=[d])
- elif back == 'info':
- machine = validation.testMachineId(user, fields.getfirst('machine_id'))
- return ({'Status': '302',
- 'Location': '/info?machine_id=%d' % machine.machine_id},
- "You shouldn't see this message.")
- else:
- raise InvalidInput('back', back, 'Not a known back page.')
+def modifyDict(username, state, machine_id, fields):
+ """Modify a machine as specified by CGI arguments.
-def modifyDict(user, fields):
+ Return a dict containing the machine that was modified.
+ """
olddisk = {}
- transaction = ctx.current.create_transaction()
+ session.begin()
try:
- machine = validation.testMachineId(user, fields.getfirst('machine_id'))
- owner = validation.testOwner(user, fields.getfirst('owner'), machine)
- admin = validation.testAdmin(user, fields.getfirst('administrator'),
- machine)
- contact = validation.testContact(user, fields.getfirst('contact'),
- machine)
- name = validation.testName(user, fields.getfirst('name'), machine)
+ kws = dict((kw, fields[kw]) for kw in
+ 'owner admin contact name description memory vmtype disksize'.split()
+ if fields.get(kw))
+ kws['machine_id'] = machine_id
+ validate = validation.Validate(username, state, **kws)
+ machine = validate.machine
oldname = machine.name
- command = "modify"
-
- memory = fields.getfirst('memory')
- if memory is not None:
- memory = validation.validMemory(user, memory, machine, on=False)
- machine.memory = memory
-
- disksize = validation.testDisk(user, fields.getfirst('disk'))
- if disksize is not None:
- disksize = validation.validDisk(user, disksize, machine)
+
+ if hasattr(validate, 'memory'):
+ machine.memory = validate.memory
+
+ if hasattr(validate, 'vmtype'):
+ machine.type = validate.vmtype
+
+ update_acl = False
+ if hasattr(validate, 'owner') and validate.owner != machine.owner:
+ machine.owner = validate.owner
+ update_acl = True
+ if hasattr(validate, 'description'):
+ machine.description = validate.description
+ if hasattr(validate, 'admin') and validate.admin != machine.administrator:
+ machine.administrator = validate.admin
+ update_acl = True
+ if hasattr(validate, 'contact'):
+ machine.contact = validate.contact
+
+ session.save_or_update(machine)
+ session.commit()
+ except:
+ session.rollback()
+ raise
+
+ session.begin()
+ try:
+ if hasattr(validate, 'disksize'):
+ disksize = validate.disksize
disk = machine.disks[0]
if disk.size != disksize:
olddisk[disk.guest_device_name] = disksize
disk.size = disksize
- ctx.current.save(disk)
-
- if owner is not None:
- machine.owner = owner
- if name is not None:
- machine.name = name
- if admin is not None:
- machine.administrator = admin
- if contact is not None:
- machine.contact = contact
-
- ctx.current.save(machine)
- transaction.commit()
+ session.save_or_update(disk)
+ for diskname in olddisk:
+ controls.resizeDisk(oldname, diskname, str(olddisk[diskname]))
+ session.save_or_update(machine)
+ session.commit()
except:
- transaction.rollback()
+ session.rollback()
raise
- for diskname in olddisk:
- controls.resizeDisk(oldname, diskname, str(olddisk[diskname]))
- if name is not None:
- controls.renameMachine(machine, oldname, name)
- return dict(user=user,
- command=command,
- machine=machine)
-
-def modify(user, fields):
- """Handler for modifying attributes of a machine."""
+
+ session.begin()
try:
- modify_dict = modifyDict(user, fields)
- except InvalidInput, err:
- result = None
- machine = validation.testMachineId(user, fields.getfirst('machine_id'))
- else:
- machine = modify_dict['machine']
- result = 'Success!'
- err = None
- info_dict = infoDict(user, machine)
- info_dict['err'] = err
- if err:
- for field in fields.keys():
- 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="""
-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="""
-Don't ask us! We're as mystified as you are.""",
- owner="""
-The owner field is used to determine 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="""
-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 are determined on a per-locker basis. Each quota may have a
-maximum of 512 megabytes of active ram, 50 gigabytes of disk, and 4
-active machines.""",
- 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):
- raise CodeError("Unknown operation")
-
-def infoDict(user, machine):
+ if hasattr(validate, 'name'):
+ machine.name = validate.name
+ for n in machine.nics:
+ if n.hostname == oldname:
+ n.hostname = validate.name
+ if hasattr(validate, 'name'):
+ controls.renameMachine(machine, oldname, validate.name)
+ session.save_or_update(machine)
+ session.commit()
+ except:
+ session.rollback()
+ raise
+
+ if update_acl:
+ cache_acls.refreshMachine(machine)
+
+ return dict(machine=machine)
+
+def infoDict(username, state, machine):
+ """Get the variables used by info.tmpl."""
status = controls.statusInfo(machine)
- checkpoint.checkpoint('Getting status info')
has_vnc = hasVnc(status)
if status is None:
main_status = dict(name=machine.name,
@@ -484,14 +603,13 @@ def infoDict(user, 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))
cputime = datetime.timedelta(seconds=int(cpu_time_float))
- checkpoint.checkpoint('Status')
- display_fields = """name uptime memory state cpu_weight on_reboot
- on_poweroff on_crash on_xend_start on_xend_stop bootloader""".split()
display_fields = [('name', 'Name'),
+ ('description', 'Description'),
('owner', 'Owner'),
('administrator', 'Administrator'),
('contact', 'Contact'),
@@ -499,20 +617,15 @@ def infoDict(user, machine):
'NIC_INFO',
('uptime', 'uptime'),
('cputime', 'CPU usage'),
+ ('host', 'Hosted on'),
('memory', 'RAM'),
'DISK_INFO',
('state', 'state (xen format)'),
- ('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'),
- ('on_xend_start', 'Action on Xen start'),
- ('on_xend_stop', 'Action on Xen stop'),
- ('bootloader', 'Bootloader options'),
]
fields = []
machine_info = {}
machine_info['name'] = machine.name
+ machine_info['description'] = machine.description
machine_info['type'] = machine.type.hvm and 'HVM' or 'ParaVM'
machine_info['owner'] = machine.owner
machine_info['administrator'] = machine.administrator
@@ -520,14 +633,14 @@ 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:
@@ -540,19 +653,15 @@ def infoDict(user, machine):
pass
#fields.append((disp, None))
- checkpoint.checkpoint('Got fields')
-
-
- max_mem = validation.maxMemory(user, machine, False)
- checkpoint.checkpoint('Got mem')
- max_disk = validation.maxDisk(user, machine)
+ max_mem = validation.maxMemory(machine.owner, state, machine, False)
+ max_disk = validation.maxDisk(machine.owner, machine)
defaults = Defaults()
- for name in 'machine_id name administrator owner memory contact'.split():
- setattr(defaults, name, getattr(machine, name))
+ for name in 'machine_id name description administrator owner memory contact'.split():
+ if getattr(machine, name):
+ 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(),
+ d = dict(user=username,
on=status is not None,
machine=machine,
defaults=defaults,
@@ -561,97 +670,23 @@ def infoDict(user, machine):
ram=machine.memory,
max_mem=max_mem,
max_disk=max_disk,
- owner_help=helppopup("owner"),
fields = fields)
return d
-def info(user, fields):
- """Handler for info on a single VM."""
- machine = validation.testMachineId(user, fields.getfirst('machine_id'))
- d = infoDict(user, machine)
- checkpoint.checkpoint('Got infodict')
- return templates.info(searchList=[d])
-
-mapping = dict(list=listVms,
- vnc=vnc,
- command=command,
- modify=modify,
- info=info,
- create=create,
- help=helpHandler)
-
-def printHeaders(headers):
- for key, value in headers.iteritems():
- print '%s: %s' % (key, value)
- print
-
-
-def getUser():
- """Return the current user based on the SSL environment variables"""
- username = os.environ['SSL_CLIENT_S_DN_Email'].split("@")[0]
- return username
-
-def main(operation, user, fields):
- start_time = time.time()
- fun = mapping.get(operation, badOperation)
-
- if fun not in (helpHandler, ):
- connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
- try:
- checkpoint.checkpoint('Before')
- output = fun(u, fields)
- checkpoint.checkpoint('After')
-
- headers = dict(DEFAULT_HEADERS)
- if isinstance(output, tuple):
- new_headers, output = output
- headers.update(new_headers)
- e = revertStandardError()
- if e:
- output.addError(e)
- printHeaders(headers)
- output_string = str(output)
- checkpoint.checkpoint('output as a string')
- print output_string
- print '
%s' % checkpoint - except Exception, err: - if not fields.has_key('js'): - if isinstance(err, CodeError): - print 'Content-Type: text/html\n' - e = revertStandardError() - print error(operation, u, fields, err, e) - sys.exit(1) - if isinstance(err, InvalidInput): - print 'Content-Type: text/html\n' - e = revertStandardError() - print invalidInput(operation, u, fields, err, e) - 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 '----' - e = revertStandardError() - print e - print '----' - raise +def send_error_mail(subject, body): + import subprocess -if __name__ == '__main__': - fields = cgi.FieldStorage() - u = getUser() - g.user = u - operation = os.environ.get('PATH_INFO', '') - if not operation: - print "Status: 301 Moved Permanently" - print 'Location: ' + os.environ['SCRIPT_NAME']+'/\n' - sys.exit(0) - - if operation.startswith('/'): - operation = operation[1:] - if not operation: - operation = 'list' - - if os.getenv("SIPB_XEN_PROFILE"): - import profile - profile.run('main(operation, u, fields)', 'log-'+operation) - else: - main(operation, u, fields) + to = config.web.errormail + mail = """To: %s +From: root@%s +Subject: %s + +%s +""" % (to, config.web.hostname, subject, body) + p = subprocess.Popen(['/usr/sbin/sendmail', '-f', to, to], + stdin=subprocess.PIPE) + p.stdin.write(mail) + p.stdin.close() + p.wait() + +random.seed() #sigh