X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/36c143099b46d2bf77569d4f1d660505ed9d37d6..2be0969e153ace507ec07b27d156b50e54e00f94:/code/main.py diff --git a/code/main.py b/code/main.py index c4eff65..86da50e 100755 --- a/code/main.py +++ b/code/main.py @@ -6,6 +6,7 @@ import cPickle import cgi import datetime import hmac +import os import random import sha import sys @@ -37,11 +38,20 @@ from invirt.common import InvalidInput, CodeError from view import View, revertStandardError + +static_dir = os.path.join(os.path.dirname(__file__), 'static') +InvirtStatic = cherrypy.tools.staticdir.handler( + root=static_dir, + dir=static_dir, + section='/static') + class InvirtUnauthWeb(View): + static = InvirtStatic + @cherrypy.expose @cherrypy.tools.mako(filename="/unauth.mako") def index(self): - return {'simple': True} + return dict(simple=True) class InvirtWeb(View): def __init__(self): @@ -53,6 +63,8 @@ class InvirtWeb(View): '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): @@ -85,8 +97,11 @@ class InvirtWeb(View): 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[0].cell): + 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) @@ -112,11 +127,9 @@ class InvirtWeb(View): @cherrypy.tools.mako(filename="/list.mako") def list(self, result=None): """Handler for list requests.""" - checkpoint.checkpoint('Getting list dict') d = getListDict(cherrypy.request.login, cherrypy.request.state) if result is not None: d['result'] = result - checkpoint.checkpoint('Got list dict') return d index=list @@ -158,8 +171,6 @@ wiki, including steps to prepare an HVM guest to boot as a ParaVM

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 @@ -183,6 +194,7 @@ your machine will run just fine, but the applet's display of the console will suffer artifacts. """, 'Windows': """ +Windows 7: The Windows 7 image is licensed for all MIT students and will automatically activate off the network; see the licensing agreement for details. The installer requires 512 MiB RAM and at least 15 GiB disk space (20 GiB or more recommended).
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. """ @@ -230,7 +242,7 @@ console will suffer artifacts. d['err'] = err if err: for field, value in fields.items(): - setattr(d['defaults'], field, value)) + setattr(d['defaults'], field, value) else: d['new_machine'] = parsed_fields['name'] return d @@ -248,14 +260,19 @@ console will suffer artifacts. raise RuntimeError("test of the emergency broadcast system") class MachineView(View): - # This is hairy. Fix when CherryPy 3.2 is out. (rename to - # _cp_dispatch, and parse the argument as a list instead of - # string - 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: - machine_id = int(name) - cherrypy.request.params['machine_id'] = machine_id + cherrypy.request.params['machine_id'] = int(name) return self except ValueError: return None @@ -268,7 +285,6 @@ console will suffer artifacts. cherrypy.request.state, machine_id=machine_id).machine d = infoDict(cherrypy.request.login, cherrypy.request.state, machine) - checkpoint.checkpoint('Got infodict') return d index = info @@ -341,18 +357,19 @@ console will suffer artifacts. 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', None) + 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) - if d['command'] == 'Delete VM': - back = 'list' except InvalidInput, err: if not back: raise @@ -375,20 +392,6 @@ console will suffer artifacts. machine = MachineView() -class Checkpoint: - def __init__(self): - self.start_time = time.time() - self.checkpoints = [] - - def checkpoint(self, s): - self.checkpoints.append((s, time.time())) - - def __str__(self): - return ('Timing info:\n%s\n' % - '\n'.join(['%s: %s' % (d, t - self.start_time) for - (d, t) in self.checkpoints])) - -checkpoint = Checkpoint() class Defaults: """Class to store default values for fields.""" @@ -422,37 +425,29 @@ def hasVnc(status): def getListDict(username, state): """Gets the list of local variables used by list.tmpl.""" - checkpoint.checkpoint('Starting') machines = state.machines - checkpoint.checkpoint('Got my machines') on = {} has_vnc = {} installing = {} xmlist = state.xmlist - checkpoint.checkpoint('Got uptimes') for m in machines: if m not in xmlist: has_vnc[m] = 'Off' m.uptime = None else: 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" - if xmlist[m].get('autoinstall'): - installing[m] = True - else: - installing[m] = False max_memory = validation.maxMemory(username, state) max_disk = validation.maxDisk(username) - checkpoint.checkpoint('Got max mem/disk') defaults = Defaults(max_memory=max_memory, max_disk=max_disk, owner=username) - checkpoint.checkpoint('Got defaults') def sortkey(machine): return (machine.owner != username, machine.owner, machine.name) machines = sorted(machines, key=sortkey) @@ -463,7 +458,8 @@ def getListDict(username, state): defaults=defaults, machines=machines, has_vnc=has_vnc, - installing=installing) + installing=installing, + disable_creation=False) return d def getHostname(nic): @@ -527,9 +523,9 @@ def modifyDict(username, state, machine_id, fields): olddisk = {} session.begin() try: - kws = dict([(kw, fields[kw]) for kw in + kws = dict((kw, fields[kw]) for kw in 'owner admin contact name description memory vmtype disksize'.split() - if fields[kw]]) + if fields.get(kw)) kws['machine_id'] = machine_id validate = validation.Validate(username, state, **kws) machine = validate.machine @@ -541,23 +537,10 @@ def modifyDict(username, state, machine_id, fields): if hasattr(validate, 'vmtype'): machine.type = validate.vmtype - if hasattr(validate, 'disksize'): - disksize = validate.disksize - disk = machine.disks[0] - if disk.size != disksize: - olddisk[disk.guest_device_name] = disksize - disk.size = disksize - session.save_or_update(disk) - update_acl = False if hasattr(validate, 'owner') and validate.owner != machine.owner: machine.owner = validate.owner update_acl = True - if hasattr(validate, 'name'): - machine.name = validate.name - for n in machine.nics: - if n.hostname == oldname: - n.hostname = validate.name if hasattr(validate, 'description'): machine.description = validate.description if hasattr(validate, 'admin') and validate.admin != machine.administrator: @@ -566,23 +549,56 @@ def modifyDict(username, state, machine_id, fields): if hasattr(validate, 'contact'): machine.contact = validate.contact - session.save_or_update(machine) - if update_acl: - cache_acls.refreshMachine(machine) + session.add(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 + session.add(disk) + for diskname in olddisk: + controls.resizeDisk(oldname, diskname, str(olddisk[diskname])) + session.add(machine) + session.commit() + except: + session.rollback() + raise + + session.begin() + try: + 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.add(machine) session.commit() except: session.rollback() raise - for diskname in olddisk: - controls.resizeDisk(oldname, diskname, str(olddisk[diskname])) - if hasattr(validate, 'name'): - controls.renameMachine(machine, oldname, validate.name) + + 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') + try: + status = controls.statusInfo(machine) + except CodeError, e: + # machine was shut down in between the call to listInfoDict and this + status = None has_vnc = hasVnc(status) if status is None: main_status = dict(name=machine.name, @@ -592,11 +608,14 @@ def infoDict(username, state, machine): 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)) + start_time = main_status.get('start_time') + if start_time is None: + uptime = "Still booting?" + else: + start_time = float(start_time) + 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', 'Name'), ('description', 'Description'), ('owner', 'Owner'), @@ -642,11 +661,7 @@ def infoDict(username, state, machine): pass #fields.append((disp, None)) - checkpoint.checkpoint('Got fields') - - max_mem = validation.maxMemory(machine.owner, state, machine, False) - checkpoint.checkpoint('Got mem') max_disk = validation.maxDisk(machine.owner, machine) defaults = Defaults() for name in 'machine_id name description administrator owner memory contact'.split(): @@ -654,7 +669,6 @@ def infoDict(username, state, machine): 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=username, on=status is not None, machine=machine, @@ -683,4 +697,4 @@ Subject: %s p.stdin.close() p.wait() -random.seed() +random.seed() #sigh