Added the name of machine that is being deleted

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

diff --git a/code/controls.py b/code/controls.py
index d03d4f9..6346002 100644 (file)
--- a/code/controls.py
+++ b/code/controls.py
@@ -47,12 +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,
-           'arch=%s' % autoinstall.arch,
-           '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"""

@@ -64,17 +68,29 @@ def bootMachine(machine, cdtype):
     If cdtype is None, give no boot cd.  Otherwise, it is the string
     id of the CD (e.g. 'gutsy_i386')
     """
     If cdtype is None, give no boot cd.  Otherwise, it is the string
     id of the CD (e.g. 'gutsy_i386')
     """

-    try:
-        if cdtype is not None:
-            out = remctl('control', machine.name, 'create', 
-                              cdtype)
-        else:
-            out = remctl('control', machine.name, 'create')
-    except CodeError, e:
-        if 'already running' in e.message:
-            raise InvalidInput('action', 'create',
-                               'VM %s is already on' % machine.name)
-        else:
+    if cdtype is not None:
+        out, err = remctl('control', machine.name, 'create', 
+                          cdtype, err=True)
+    else:
+        out, err = remctl('control', machine.name, 'create',
+                          err=True)
+    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))
 
         raise CodeError('"%s" on "control %s create %s' 
                         % (err, machine.name, cdtype))
 

@@ -97,20 +113,20 @@ 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!  "
         if not nic: #No IPs left!
             raise CodeError("No IP addresses left!  "

-                            "Contact %s." % config.web.errormail)
+                            "Contact %s." % config.contact)

         nic.machine = machine
         nic.hostname = name
         session.save_or_update(nic)
         session.save_or_update(disk)
         cache_acls.refreshMachine(machine)
         nic.machine = machine
         nic.hostname = name
         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)

     try:
         if autoinstall:
             lvinstall(machine, autoinstall)
     try:
         if autoinstall:
             lvinstall(machine, autoinstall)

@@ -157,38 +173,36 @@ def statusInfo(machine):
 
     Gets and parses xm list --long
     """
 
     Gets and parses xm list --long
     """

-    try:
-        value_string = remctl('control', machine.name, 'list-long')
-    except CodeError, e:
-        if 'is not on' in e.message:
-            return None
-        else:
-            raise
+    value_string, err_string = remctl('control', machine.name, 'list-long', 
+                                      err=True)
+    if 'Unknown command' in err_string:
+        raise CodeError("ERROR in remctl list-long %s is not registered" % 
+                        (machine.name,))
+    elif 'is not on' in err_string:
+        return None
+    elif err_string:
+        raise CodeError("ERROR in remctl list-long %s:  %s" % 
+                        (machine.name, err_string))

     status = parseStatus(value_string)
     return status
 
 def listHost(machine):
     """Return the host a machine is running on"""
     status = parseStatus(value_string)
     return status
 
 def listHost(machine):
     """Return the host a machine is running on"""

-    try:
-        out = remctl('control', machine.name, 'listhost')
-    except CodeError, e:
+    out, err = remctl('control', machine.name, 'listhost', err=True)
+    if err:

         return None
     return out.strip()
 
 def vnctoken(machine):
     """Return a time-stamped VNC token"""
         return None
     return out.strip()
 
 def vnctoken(machine):
     """Return a time-stamped VNC token"""

-    try:
-        out = remctl('control', machine.name, 'vnctoken')
-    except CodeError, e:
+    out, err = remctl('control', machine.name, 'vnctoken', err=True)
+    if err:

         return None
     return out.strip()
 
 def deleteVM(machine):
     """Delete a VM."""
         return None
     return out.strip()
 
 def deleteVM(machine):
     """Delete a VM."""

-    try:
-        remctl('control', machine.name, 'destroy')
-    except CodeError:
-        pass
+    remctl('control', machine.name, 'destroy', err=True)

     session.begin()
     delete_disk_pairs = [(machine.name, d.guest_device_name) 
                          for d in machine.disks]
     session.begin()
     delete_disk_pairs = [(machine.name, d.guest_device_name) 
                          for d in machine.disks]

@@ -207,54 +221,58 @@ 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':
-        try:
-            if cdrom is not None:
-                out = remctl('control', machine.name, 'reboot', cdrom)
-            else:
-                out = remctl('control', machine.name, 'reboot')
-        except CodeError, e:
-            if re.match("machine '.*' is not on", e.message):
+    if action == 'reboot':
+        if cdrom is not None:
+            out, err = remctl('control', machine.name, 'reboot', cdrom,
+                              err=True)
+        else:
+            out, err = remctl('control', machine.name, 'reboot',
+                              err=True)
+        if err:
+            if re.match("machine '.*' is not on", err):

                 raise InvalidInput("action", "reboot", 
                                    "Machine is not on")
             else:
                 raise InvalidInput("action", "reboot", 
                                    "Machine is not on")
             else:

-                raise
+                print >> sys.stderr, 'Error on reboot:'
+                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':
-        try:
-            out = remctl('control', machine.name, 'destroy')
-        except CodeError, e:
-            if re.match("machine '.*' is not on", e.message):
+    elif action == 'destroy':
+        out, err = remctl('control', machine.name, 'destroy', err=True)
+        if err:
+            if re.match("machine '.*' is not on", err):

                 raise InvalidInput("action", "Power off", 
                                    "Machine is not on.")
             else:
                 raise InvalidInput("action", "Power off", 
                                    "Machine is not on.")
             else:

-                raise
-    elif action == 'Shutdown':
-        try:
-            out = remctl('control', machine.name, 'shutdown')
-        except CodeError, e:
-            if re.match("machine '.*' is not on", e.message):
+                print >> sys.stderr, 'Error on power off:'
+                print >> sys.stderr, err
+                raise CodeError('ERROR on remctl')
+    elif action == 'shutdown':
+        out, err = remctl('control', machine.name, 'shutdown', err=True)
+        if err:
+            if re.match("machine '.*' is not on", err):

                 raise InvalidInput("action", "Shutdown", 
                                    "Machine is not on.")
             else:
                 raise InvalidInput("action", "Shutdown", 
                                    "Machine is not on.")
             else:

-                raise
-    elif action == 'Delete VM':
+                print >> sys.stderr, 'Error on Shutdown:'
+                print >> sys.stderr, err
+                raise CodeError('ERROR on remctl')
+    elif action == 'delete':

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