import sha
import hmac
import datetime
+import StringIO
-sys.stderr = sys.stdout
+sys.stderr = StringIO.StringIO()
sys.path.append('/home/ecprice/.local/lib/python2.5/site-packages')
from Cheetah.Template import Template
typo) but not setting an invalid boot CD (which requires bypassing
the select box).
"""
- pass
+ def __init__(self, err_field, err_value, expl=None):
+ super(InvalidInput, self).__init__(expl)
+ self.err_field = err_field
+ self.err_value = err_value
class CodeError(MyException):
"""Exception for internal errors or bad faith input."""
pass
+class Global(object):
+ def __init__(self, user):
+ self.user = user
+
+ def __get_uptimes(self):
+ if not hasattr(self, '_uptimes'):
+ self._uptimes = getUptimes(self.machines)
+ return self._uptimes
+ uptimes = property(__get_uptimes)
+g = None
def helppopup(subj):
"""Return HTML code for a (?) link to a specified help topic"""
"""Return the machines owned by a given owner."""
return Machine.select_by(owner=owner)
-def maxMemory(user, machine=None, on=None):
+def maxMemory(user, machine=None):
"""Return the maximum memory for a machine or a user.
If machine is None, return the memory available for a new
"""
machines = getMachinesByOwner(user.username)
- if on is None:
- on = getUptimes(machines)
- active_machines = [x for x in machines if on[x]]
+ active_machines = [x for x in machines if g.uptimes[x]]
mem_usage = sum([x.memory for x in active_machines if x != machine])
return min(MAX_MEMORY_SINGLE, MAX_MEMORY_TOTAL-mem_usage)
for x in machines if x != machine])
return min(MAX_DISK_SINGLE, MAX_DISK_TOTAL-disk_usage/1024.)
-def canAddVm(user, on=None):
+def canAddVm(user):
machines = getMachinesByOwner(user.username)
- if on is None:
- on = getUptimes(machines)
- active_machines = [x for x in machines if on[x]]
+ active_machines = [x for x in machines if g.uptimes[x]]
return (len(machines) < MAX_VMS_TOTAL and
len(active_machines) < MAX_VMS_ACTIVE)
return True
return machine.owner == user.username
-def error(op, user, fields, err):
+def error(op, user, fields, err, emsg):
"""Print an error page when a CodeError occurs"""
- d = dict(op=op, user=user, errorMessage=str(err))
- print Template(file='error.tmpl', searchList=[d, global_dict]);
+ d = dict(op=op, user=user, errorMessage=str(err),
+ stderr=emsg)
+ return Template(file='error.tmpl', searchList=[d, global_dict]);
+
+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 Template(file='invalid.tmpl', searchList=[d, global_dict]);
def validMachineName(name):
"""Check that name is valid for a machine name"""
(args, p.stderr.read()))
return p.stdout.read()
-def makeDisks():
- """Update the lvm partitions to include all disks in the database."""
- remctl('web', 'lvcreate')
+def lvcreate(machine, disk):
+ """Create a single disk for a machine"""
+ remctl('web', 'lvcreate', machine.name,
+ disk.guest_device_name, str(disk.size))
+
+def makeDisks(machine):
+ """Update the lvm partitions to add a disk."""
+ for disk in machine.disks:
+ lvcreate(machine, disk)
def bootMachine(machine, cdtype):
"""Boot a machine with a given boot CD.
transaction = ctx.current.create_transaction()
try:
if memory > maxMemory(user):
- raise InvalidInput("Too much memory requested")
+ raise InvalidInput('memory', memory,
+ "Max %s" % maxMemory(user))
if disk > maxDisk(user) * 1024:
- raise InvalidInput("Too much disk requested")
+ raise InvalidInput('disk', disk,
+ "Max %s" % maxDisk(user))
if not canAddVm(user):
- raise InvalidInput("Too many VMs requested")
+ raise InvalidInput('create', True, 'Unable to create more VMs')
res = meta.engine.execute('select nextval(\'"machines_machine_id_seq"\')')
id = res.fetchone()[0]
machine = Machine()
transaction.rollback()
raise
registerMachine(machine)
- makeDisks()
+ makeDisks(machine)
# tell it to boot with cdrom
bootMachine(machine, cdrom)
if memory < MIN_MEMORY_SINGLE:
raise ValueError
except ValueError:
- raise InvalidInput("Invalid memory amount; must be at least %s MB" %
- MIN_MEMORY_SINGLE)
+ raise InvalidInput('memory', memory,
+ "Minimum %s MB" % MIN_MEMORY_SINGLE)
if memory > maxMemory(user, machine):
- raise InvalidInput("Too much memory requested")
+ raise InvalidInput('memory', memory,
+ 'Maximum %s MB' % maxMemory(user, machine))
return memory
def validDisk(user, disk, machine=None):
try:
disk = float(disk)
if disk > maxDisk(user, machine):
- raise InvalidInput("Too much disk requested")
+ raise InvalidInput('disk', disk,
+ "Maximum %s G" % maxDisk(user, machine))
disk = int(disk * 1024)
if disk < MIN_DISK_SINGLE * 1024:
raise ValueError
except ValueError:
- raise InvalidInput("Invalid disk amount; minimum is %s GB" %
- MIN_DISK_SINGLE)
+ raise InvalidInput('disk', disk,
+ "Minimum %s GB" % MIN_DISK_SINGLE)
return disk
def create(user, fields):
"""Handler for create requests."""
name = fields.getfirst('name')
if not validMachineName(name):
- raise InvalidInput("Invalid name '%s'" % name)
+ raise InvalidInput('name', name)
name = user.username + '_' + name.lower()
if Machine.get_by(name=name):
- raise InvalidInput("A machine named '%s' already exists" % name)
+ raise InvalidInput('name', name,
+ "Already exists")
memory = fields.getfirst('memory')
memory = validMemory(user, memory)
machine = createVm(user, name, memory, disk, is_hvm, cdrom)
d = dict(user=user,
machine=machine)
- print Template(file='create.tmpl',
+ return Template(file='create.tmpl',
searchList=[d, global_dict]);
def listVms(user, fields):
machines = [m for m in Machine.select() if haveAccess(user, m)]
on = {}
has_vnc = {}
- uptimes = getUptimes(machines)
- on = uptimes
+ on = g.uptimes
for m in machines:
if not on[m]:
has_vnc[m] = 'Off'
# status = statusInfo(m)
# on[m.name] = status is not None
# has_vnc[m.name] = hasVnc(status)
- max_mem=maxMemory(user, on=on)
+ max_mem=maxMemory(user)
max_disk=maxDisk(user)
d = dict(user=user,
- can_add_vm=canAddVm(user, on=on),
+ can_add_vm=canAddVm(user),
max_mem=max_mem,
max_disk=max_disk,
default_mem=max_mem,
has_vnc=has_vnc,
uptimes=uptimes,
cdroms=CDROM.select())
- print Template(file='list.tmpl', searchList=[d, global_dict])
+ return Template(file='list.tmpl', searchList=[d, global_dict])
def testMachineId(user, machineId, exists=True):
"""Parse, validate and check authorization for a given machineId.
token = cPickle.dumps(token)
token = base64.urlsafe_b64encode(token)
+ status = 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)
- print Template(file='vnc.tmpl',
+ return Template(file='vnc.tmpl',
searchList=[d, global_dict])
def getNicInfo(data_dict, machine):
remctl('reboot', machine.name)
elif action == 'Power on':
if maxMemory(user) < machine.memory:
- raise InvalidInput("You don't have enough free RAM quota")
+ raise InvalidInput('action', 'Power on',
+ "You don't have enough free RAM quota to turn on this machine")
bootMachine(machine, cdrom)
elif action == 'Power off':
remctl('destroy', machine.name)
d = dict(user=user,
command=action,
machine=machine)
- print Template(file="command.tmpl", searchList=[d, global_dict])
-
+ return Template(file="command.tmpl", searchList=[d, global_dict])
+
+def testOwner(user, owner, machine=None):
+ if owner != user.username:
+ raise InvalidInput('owner', owner,
+ "Invalid")
+ return owner
+
+def testContact(user, contact, machine=None):
+ if contact != user.email:
+ raise InvalidInput('contact', contact,
+ "Invalid")
+ return contact
+
+def testHostname(user, hostname, machine):
+ for nic in machine.nics:
+ if hostname == nic.hostname:
+ return hostname
+ raise InvalidInput('hostname', hostname,
+ "Different from before")
+
+
def modify(user, fields):
"""Handler for modifying attributes of a machine."""
#XXX not written yet
machine = testMachineId(user, fields.getfirst('machine_id'))
+ owner = testOwner(user, fields.getfirst('owner'), machine)
+ contact = testContact(user, fields.getfirst('contact'))
+ hostname = testHostname(user, fields.getfirst('hostname'),
+ machine)
+ ram = fields.getfirst('memory')
+ if ram is not None:
+ ram = validMemory(user, ram, machine)
+ disk = testDisk(user, fields.getfirst('disk'))
+ if disk is not None:
+ disk = validDisk(user, disk, machine)
+
+
def help(user, fields):
"""Handler for help messages."""
simple = fields.getfirst('simple')
subjects=subjects,
mapping=mapping)
- print Template(file="help.tmpl", searchList=[d, global_dict])
+ return Template(file="help.tmpl", searchList=[d, global_dict])
def info(user, fields):
max_mem=max_mem,
max_disk=max_disk,
fields = fields)
- print Template(file='info.tmpl',
+ return Template(file='info.tmpl',
searchList=[d, global_dict])
mapping = dict(list=listVms,
username = "moo"
email = 'moo@cow.com'
u = User()
+ g = Global(u)
if 'SSL_CLIENT_S_DN_Email' in os.environ:
username = os.environ[ 'SSL_CLIENT_S_DN_Email'].split("@")[0]
u.username = username
print "Status: 301 Moved Permanently"
print 'Location: ' + os.environ['SCRIPT_NAME']+'/\n'
sys.exit(0)
- print 'Content-Type: text/html\n'
if operation.startswith('/'):
operation = operation[1:]
if not operation:
operation = 'list'
- fun = mapping.get(operation,
- lambda u, e:
- error(operation, u, e,
- "Invalid operation '%s'" % operation))
+ def badOperation(u, e):
+ raise CodeError("Unknown operation")
+
+ fun = mapping.get(operation, badOperation)
if fun not in (help, ):
connect('postgres://sipb-xen@sipb-xen-dev/sipb_xen')
try:
- fun(u, fields)
+ output = fun(u, fields)
+ print 'Content-Type: text/html\n'
+ sys.stderr.seek(0)
+ e = sys.stderr.read()
+ if e:
+ output = output.replace('<body>', '<body><pre>'+e+'</pre>')
+ print output
except CodeError, err:
- error(operation, u, fields, err)
+ print 'Content-Type: text/html\n'
+ sys.stderr.seek(0)
+ e = sys.stderr.read()
+ print error(operation, u, fields, err, e)
except InvalidInput, err:
- error(operation, u, fields, err)
+ print 'Content-Type: text/html\n'
+ sys.stderr.seek(0)
+ e = sys.stderr.read()
+ print invalidInput(operation, u, fields, err, e)
+ except:
+ print 'Content-Type: text/plain\n'
+ sys.stderr.seek(0)
+ e = sys.stderr.read()
+ print e
+ print '----'
+ raise
projects / invirt/packages/invirt-web.git / blobdiff