Require invirt-web POSTs to have proper referers

[invirt/packages/invirt-web.git] / code / controls.py

diff --git a/code/controls.py b/code/controls.py
index d895364..d04b2f5 100644 (file)
--- a/code/controls.py
+++ b/code/controls.py
@@ -24,9 +24,9 @@ def uuidToString(u):
 # end stolen code
 
 def remctl(*args, **kwargs):
 # end stolen code
 
 def remctl(*args, **kwargs):

-    return gen_remctl(config.remote.hostname, *args,
+    return gen_remctl(config.remote.hostname,

                       principal='daemon/'+config.web.hostname,
                       principal='daemon/'+config.web.hostname,

-                      **kwargs)
+                      *args, **kwargs)

 
 def lvcreate(machine, disk):
     """Create a single disk for a machine"""
 
 def lvcreate(machine, disk):
     """Create a single disk for a machine"""

@@ -47,11 +47,16 @@ def lvinstall(machine, autoinstall):
     memsize = machine.memory
     swapsize = getswap(disksize, memsize)
     imagesize = disksize - swapsize
     memsize = machine.memory
     swapsize = getswap(disksize, memsize)
     imagesize = disksize - swapsize

-    ip = machine.nics[0].ip
-    remctl('control', machine.name, 'install', 
-           'dist=%s' % autoinstall.distribution,
-           'mirror=%s' % autoinstall.mirror,
-           'imagesize=%s' % imagesize)
+
+    installer_options = ['dist=%s' % autoinstall.distribution,
+                         'mirror=%s' % autoinstall.mirror,
+                         'arch=%s' % autoinstall.arch,
+                         'imagesize=%s' % imagesize]
+    if autoinstall.preseed:
+        installer_options += ['preseed=http://'+config.web.hostname+'/static/preseed/'+autoinstall.autoinstall_id+'.preseed']
+
+    remctl('control', machine.name, 'install',
+           *installer_options)

 
 def lvcopy(machine_orig_name, machine, rootpw):
     """Copy a golden image onto a machine's disk"""
 
 def lvcopy(machine_orig_name, machine, rootpw):
     """Copy a golden image onto a machine's disk"""

@@ -72,6 +77,19 @@ def bootMachine(machine, cdtype):
     if 'already running' in err:
         raise InvalidInput('action', 'create',
                            'VM %s is already on' % machine.name)
     if 'already running' in err:
         raise InvalidInput('action', 'create',
                            'VM %s is already on' % machine.name)

+    elif 'I need' in err and 'but dom0_min_mem is' in err:
+        raise InvalidInput('action', 'create',
+                           "We're really sorry, but our servers don't have enough capacity to create your VM right now. Try creating a VM with less RAM, or shutting down another VM of yours. Feel free to ask %s if you would like to know when we plan to have more resources." % (config.contact))
+    elif ('Booting VMs is temporarily disabled for maintenance, sorry' in err or
+          'LVM operations are temporarily disabled for maintenance, sorry' in err):
+        raise InvalidInput('action', 'create',
+                           err)
+    elif "Boot loader didn't return any data!" in err:
+        raise InvalidInput('action', 'create',
+                           "The ParaVM bootloader was unable to find an operating system to boot. Do you have GRUB configured correctly?")
+    elif 'xc_dom_find_loader: no loader found' in err:
+        raise InvalidInput('action', 'create',
+                           "The ParaVM bootloader was unable to boot the kernel you have configured. Are you sure this kernel is capable of running as a Xen ParaVM guest?")

     elif err:
         raise CodeError('"%s" on "control %s create %s' 
                         % (err, machine.name, cdtype))
     elif err:
         raise CodeError('"%s" on "control %s create %s' 
                         % (err, machine.name, cdtype))

@@ -87,7 +105,7 @@ def createVm(username, state, owner, contact, name, description, memory, disksiz
         machine.description = description
         machine.memory = memory
         machine.owner = owner
         machine.description = description
         machine.memory = memory
         machine.owner = owner

-        machine.administrator = owner
+        machine.administrator = None

         machine.contact = contact
         machine.uuid = uuidToString(randomUUID())
         machine.boot_off_cd = True
         machine.contact = contact
         machine.uuid = uuidToString(randomUUID())
         machine.boot_off_cd = True

@@ -95,7 +113,7 @@ def createVm(username, state, owner, contact, name, description, memory, disksiz
         session.save_or_update(machine)
         disk = Disk(machine=machine,
                     guest_device_name='hda', size=disksize)
         session.save_or_update(machine)
         disk = Disk(machine=machine,
                     guest_device_name='hda', size=disksize)

-        nic = NIC.query().filter_by(machine_id=None).first()
+        nic = NIC.query().filter_by(machine_id=None).filter_by(reusable=True).first()

         if not nic: #No IPs left!
             raise CodeError("No IP addresses left!  "
                             "Contact %s." % config.web.errormail)
         if not nic: #No IPs left!
             raise CodeError("No IP addresses left!  "
                             "Contact %s." % config.web.errormail)

@@ -104,16 +122,20 @@ def createVm(username, state, owner, contact, name, description, memory, disksiz
         session.save_or_update(nic)
         session.save_or_update(disk)
         cache_acls.refreshMachine(machine)
         session.save_or_update(nic)
         session.save_or_update(disk)
         cache_acls.refreshMachine(machine)

+        makeDisks(machine)

         session.commit()
     except:
         session.rollback()
         raise
         session.commit()
     except:
         session.rollback()
         raise

-    makeDisks(machine)
-    if autoinstall:
-        lvinstall(machine, autoinstall)
-    else:
-        # tell it to boot with cdrom
-        bootMachine(machine, cdrom)
+    try:
+        if autoinstall:
+            lvinstall(machine, autoinstall)
+        else:
+            # tell it to boot with cdrom
+            bootMachine(machine, cdrom)
+    except CodeError, e:
+        deleteVM(machine)
+        raise

     return machine
 
 def getList():
     return machine
 
 def getList():

@@ -171,6 +193,13 @@ def listHost(machine):
         return None
     return out.strip()
 
         return None
     return out.strip()
 

+def vnctoken(machine):
+    """Return a time-stamped VNC token"""
+    out, err = remctl('control', machine.name, 'vnctoken', err=True)
+    if err:
+        return None
+    return out.strip()
+

 def deleteVM(machine):
     """Delete a VM."""
     remctl('control', machine.name, 'destroy', err=True)
 def deleteVM(machine):
     """Delete a VM."""
     remctl('control', machine.name, 'destroy', err=True)

@@ -192,17 +221,16 @@ def deleteVM(machine):
         session.rollback()
         raise
 
         session.rollback()
         raise
 

-def commandResult(username, state, fields):
+def commandResult(username, state, command_name, machine_id, fields):

     start_time = 0
     start_time = 0

-    machine = validation.Validate(username, state, machine_id=fields.getfirst('machine_id')).machine
-    action = fields.getfirst('action')
-    cdrom = fields.getfirst('cdrom')
+    machine = validation.Validate(username, state, machine_id=machine_id).machine
+    action = command_name
+    cdrom = fields.get('cdrom') or None

     if cdrom is not None and not CDROM.query().filter_by(cdrom_id=cdrom).one():
         raise CodeError("Invalid cdrom type '%s'" % cdrom)    
     if cdrom is not None and not CDROM.query().filter_by(cdrom_id=cdrom).one():
         raise CodeError("Invalid cdrom type '%s'" % cdrom)    

-    if action not in ('Reboot', 'Power on', 'Power off', 'Shutdown', 
-                      'Delete VM'):
+    if action not in "reboot create destroy shutdown delete".split(" "):

         raise CodeError("Invalid action '%s'" % action)
         raise CodeError("Invalid action '%s'" % action)

-    if action == 'Reboot':
+    if action == 'reboot':

         if cdrom is not None:
             out, err = remctl('control', machine.name, 'reboot', cdrom,
                               err=True)
         if cdrom is not None:
             out, err = remctl('control', machine.name, 'reboot', cdrom,
                               err=True)

@@ -218,13 +246,13 @@ def commandResult(username, state, fields):
                 print >> sys.stderr, err
                 raise CodeError('ERROR on remctl')
                 
                 print >> sys.stderr, err
                 raise CodeError('ERROR on remctl')
                 

-    elif action == 'Power on':
+    elif action == 'create':

         if validation.maxMemory(username, state, machine) < machine.memory:
             raise InvalidInput('action', 'Power on',
                                "You don't have enough free RAM quota "
                                "to turn on this machine.")
         bootMachine(machine, cdrom)
         if validation.maxMemory(username, state, machine) < machine.memory:
             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':
+    elif action == 'destroy':

         out, err = remctl('control', machine.name, 'destroy', err=True)
         if err:
             if re.match("machine '.*' is not on", err):
         out, err = remctl('control', machine.name, 'destroy', err=True)
         if err:
             if re.match("machine '.*' is not on", err):

@@ -234,7 +262,7 @@ def commandResult(username, state, fields):
                 print >> sys.stderr, 'Error on power off:'
                 print >> sys.stderr, err
                 raise CodeError('ERROR on remctl')
                 print >> sys.stderr, 'Error on power off:'
                 print >> sys.stderr, err
                 raise CodeError('ERROR on remctl')

-    elif action == 'Shutdown':
+    elif action == 'shutdown':

         out, err = remctl('control', machine.name, 'shutdown', err=True)
         if err:
             if re.match("machine '.*' is not on", err):
         out, err = remctl('control', machine.name, 'shutdown', err=True)
         if err:
             if re.match("machine '.*' is not on", err):

@@ -244,7 +272,7 @@ def commandResult(username, state, fields):
                 print >> sys.stderr, 'Error on Shutdown:'
                 print >> sys.stderr, err
                 raise CodeError('ERROR on remctl')
                 print >> sys.stderr, 'Error on Shutdown:'
                 print >> sys.stderr, err
                 raise CodeError('ERROR on remctl')

-    elif action == 'Delete VM':
+    elif action == 'delete':

         deleteVM(machine)
 
     d = dict(user=username,
         deleteVM(machine)
 
     d = dict(user=username,