X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/aba912a95bc6ba6691c2e097006b0c81d03a8f10..aa12e510f100d54f5448c9b88ca1ca3be369245b:/templates/main.py
diff --git a/templates/main.py b/templates/main.py
index 1567acc..5e1a272 100755
--- a/templates/main.py
+++ b/templates/main.py
@@ -87,16 +87,18 @@ def getMachinesByOwner(owner):
"""Return the machines owned by a given owner."""
return Machine.select_by(owner=owner)
-def maxMemory(user, machine=None):
+def maxMemory(user, machine=None, on=True):
"""Return the maximum memory for a machine or a user.
If machine is None, return the memory available for a new
machine. Else, return the maximum that machine can have.
- on is a dictionary from machines to booleans, whether a machine is
- on. If None, it is recomputed. XXX make this global?
+ on is whether the machine should be turned on. If false, the max
+ memory for the machine to change to, if it is left off, is
+ returned.
"""
-
+ if not on:
+ return MAX_MEMORY_SINGLE
machines = getMachinesByOwner(user.username)
active_machines = [x for x in machines if g.uptimes[x]]
mem_usage = sum([x.memory for x in active_machines if x != machine])
@@ -118,7 +120,7 @@ def haveAccess(user, machine):
"""Return whether a user has access to a machine"""
if user.username == 'moo':
return True
- return getafsgroups.checkLockerOwner(user.username,machine.owner)
+ return getafsgroups.checkLockerOwner(user.username, machine.owner)
def error(op, user, fields, err, emsg):
"""Print an error page when a CodeError occurs"""
@@ -174,8 +176,9 @@ def remctl(*args, **kws):
p.wait()
return p.stdout.read(), p.stderr.read()
if p.wait():
- raise CodeError('ERROR on remctl %s: %s' %
- (args, p.stderr.read()))
+ print >> sys.stderr, 'Error on remctl %s:' % args
+ print >> sys.stderr, p.stderr.read()
+ raise CodeError('ERROR on remctl')
return p.stdout.read()
def lvcreate(machine, disk):
@@ -292,6 +295,7 @@ def createVm(user, name, memory, disk, is_hvm, cdrom):
machine.name = name
machine.memory = memory
machine.owner = user.username
+ machine.administrator = user.username
machine.contact = user.email
machine.uuid = uuidToString(randomUUID())
machine.boot_off_cd = True
@@ -319,8 +323,12 @@ def createVm(user, name, memory, disk, is_hvm, cdrom):
return machine
-def validMemory(user, memory, machine=None):
- """Parse and validate limits for memory for a given user and machine."""
+def validMemory(user, memory, machine=None, on=True):
+ """Parse and validate limits for memory for a given user and machine.
+
+ on is whether the memory must be valid after the machine is
+ switched on.
+ """
try:
memory = int(memory)
if memory < MIN_MEMORY_SINGLE:
@@ -328,7 +336,7 @@ def validMemory(user, memory, machine=None):
except ValueError:
raise InvalidInput('memory', memory,
"Minimum %s MB" % MIN_MEMORY_SINGLE)
- if memory > maxMemory(user, machine):
+ if memory > maxMemory(user, machine, on):
raise InvalidInput('memory', memory,
'Maximum %s MB' % maxMemory(user, machine))
return memory
@@ -360,7 +368,7 @@ def create(user, fields):
"Already exists")
memory = fields.getfirst('memory')
- memory = validMemory(user, memory)
+ memory = validMemory(user, memory, on=True)
disk = fields.getfirst('disk')
disk = validDisk(user, disk)
@@ -511,10 +519,7 @@ def getDiskInfo(data_dict, machine):
def deleteVM(machine):
"""Delete a VM."""
- try:
- remctl('destroy', machine.name)
- except:
- pass
+ remctl('destroy', machine.name, err=True)
transaction = ctx.current.create_transaction()
delete_disk_pairs = [(machine.name, d.guest_device_name) for d in machine.disks]
try:
@@ -568,81 +573,79 @@ def command(user, fields):
return Template(file="command.tmpl", searchList=[d, global_dict])
def testOwner(user, owner, machine=None):
- if not getafsgroups.checkLockerOwner(user.username, owner):
- raise InvalidInput('owner', owner,
- "Invalid")
- return owner
+ if owner == machine.owner: #XXX What do we do when you lose access to the locker?
+ return owner
+ value = getafsgroups.checkLockerOwner(user.username, owner, verbose=True)
+ if value == True:
+ return owner
+ raise InvalidInput('owner', owner, value)
def testContact(user, contact, machine=None):
- if contact != user.email:
- raise InvalidInput('contact', contact,
- "Invalid")
+ if not re.match("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$", contact, re.I):
+ raise InvalidInput('contact', contact, "Not a valid email")
return contact
def testDisk(user, disksize, machine=None):
return disksize
def testName(user, name, machine=None):
- if Machine.select_by(name=name) == []:
+ if name is None:
+ return None
+ if not Machine.select_by(name=name):
return name
if name == machine.name:
return name
- raise InvalidInput('name', name,
- "Already taken")
+ raise InvalidInput('name', name, "Already taken")
def testHostname(user, hostname, machine):
for nic in machine.nics:
if hostname == nic.hostname:
return hostname
# check if doesn't already exist
- if NIC.select_by(hostname=hostname) == []:
- return hostname
- raise InvalidInput('hostname', hostname,
- "Different from before")
-
+ if NIC.select_by(hostname=hostname):
+ raise InvalidInput('hostname', hostname,
+ "Already exists")
+ if not re.match("^[A-Z0-9-]{1,22}$", hostname, re.I):
+ raise InvalidInput('hostname', hostname, "Not a valid hostname; must only use number, letters, and dashes.")
+ return hostname
def modify(user, fields):
"""Handler for modifying attributes of a machine."""
- #XXX not written yet
+ olddisk = {}
transaction = ctx.current.create_transaction()
try:
machine = testMachineId(user, fields.getfirst('machine_id'))
owner = testOwner(user, fields.getfirst('owner'), machine)
contact = testContact(user, fields.getfirst('contact'))
hostname = testHostname(owner, fields.getfirst('hostname'),
- machine)
+ machine)
name = testName(user, fields.getfirst('name'), machine)
oldname = machine.name
command="modify"
- olddisk = {}
memory = fields.getfirst('memory')
if memory is not None:
- memory = validMemory(user, memory, machine)
- else:
- memory = machine.memory
- if memory != machine.memory:
+ memory = validMemory(user, memory, machine, on=False)
machine.memory = memory
-
+
disksize = testDisk(user, fields.getfirst('disk'))
if disksize is not None:
disksize = validDisk(user, disksize, machine)
- else:
- disksize = machine.disks[0].size
- for disk in machine.disks:
- olddisk[disk.guest_device_name] = disk.size
- disk.size = disksize
- ctx.current.save(disk)
+ disk = machine.disks[0]
+ if disk.size != disksize:
+ olddisk[disk.guest_device_name] = disksize
+ disk.size = disksize
+ ctx.current.save(disk)
- # XXX all NICs get same hostname on change? Interface doesn't support more.
- for nic in machine.nics:
+ # XXX first NIC gets hostname on change? Interface doesn't support more.
+ for nic in machine.nics[:1]:
nic.hostname = hostname
ctx.current.save(nic)
- if owner != machine.owner:
+ if owner is not None and owner != machine.owner:
machine.owner = owner
- if name != machine.name:
+ if name is not None and name != machine.name:
machine.name = name
ctx.current.save(machine)
@@ -650,13 +653,13 @@ def modify(user, fields):
except:
transaction.rollback()
raise
- remctl("web", "moveregister", oldname, name)
- for disk in machine.disks:
- # XXX all disks get the same size on change? Interface doesn't support more.
- if disk.size != olddisk[disk.guest_device_name]:
- remctl("web", "lvresize", oldname, disk.guest_device_name, str(disk.size))
- if oldname != name:
- remctl("web", "lvrename", oldname, disk.guest_device_name, name)
+ for diskname in olddisk:
+ remctl("web", "lvresize", oldname, diskname, str(olddisk[diskname]))
+ if name is not None and name != oldname:
+ for disk in machine.disks:
+ if oldname != name:
+ remctl("web", "lvrename", oldname, disk.guest_device_name, name)
+ remctl("web", "moveregister", oldname, name)
d = dict(user=user,
command=command,
machine=machine)
@@ -699,12 +702,14 @@ def info(user, fields):
if status is None:
main_status = dict(name=machine.name,
memory=str(machine.memory))
+ uptime=None
+ cputime=None
else:
main_status = dict(status[1:])
- 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))
+ 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))
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'),
@@ -742,7 +747,7 @@ def info(user, fields):
main_status['memory'] += ' MB'
for field, disp in display_fields:
- if field in ('uptime', 'cputime'):
+ if field in ('uptime', 'cputime') and locals()[field] is not None:
fields.append((disp, locals()[field]))
elif field in machine_info:
fields.append((disp, machine_info[field]))
@@ -815,6 +820,7 @@ if __name__ == '__main__':
print 'Content-Type: text/html\n'
sys.stderr.seek(0)
e = sys.stderr.read()
+ sys.stderr=sys.stdout
if e:
output = str(output)
output = output.replace('', 'STDERR:
'+e+'
')