Make not modifying the disks work.
[invirt/packages/invirt-web.git] / templates / main.py
index 09cc0ac..8e4c303 100755 (executable)
@@ -13,6 +13,7 @@ import sha
 import hmac
 import datetime
 import StringIO
+import getafsgroups
 
 sys.stderr = StringIO.StringIO()
 sys.path.append('/home/ecprice/.local/lib/python2.5/site-packages')
@@ -33,7 +34,7 @@ class InvalidInput(MyException):
     the select box).
     """
     def __init__(self, err_field, err_value, expl=None):
-        super(InvalidInput, self).__init__(expl)
+        MyException.__init__(self, expl)
         self.err_field = err_field
         self.err_value = err_value
 
@@ -47,7 +48,7 @@ class Global(object):
 
     def __get_uptimes(self):
         if not hasattr(self, '_uptimes'):
-            self._uptimes = getUptimes(self.machines)
+            self._uptimes = getUptimes(Machine.select())
         return self._uptimes
     uptimes = property(__get_uptimes)
 
@@ -117,7 +118,7 @@ def haveAccess(user, machine):
     """Return whether a user has access to a machine"""
     if user.username == 'moo':
         return True
-    return machine.owner == user.username
+    return getafsgroups.checkLockerOwner(user.username,machine.owner)
 
 def error(op, user, fields, err, emsg):
     """Print an error page when a CodeError occurs"""
@@ -231,7 +232,7 @@ def parseStatus(s):
             stack[-1].extend(v.split())
     return stack[-1]
 
-def getUptimes(machines):
+def getUptimes(machines=None):
     """Return a dictionary mapping machine names to uptime strings"""
     value_string = remctl('web', 'listvms')
     lines = value_string.splitlines()
@@ -352,7 +353,7 @@ def create(user, fields):
     name = fields.getfirst('name')
     if not validMachineName(name):
         raise InvalidInput('name', name)
-    name = user.username + '_' + name.lower()
+    name = name.lower()
 
     if Machine.get_by(name=name):
         raise InvalidInput('name', name,
@@ -406,7 +407,7 @@ def listVms(user, fields):
              default_disk=min(4.0, max_disk),
              machines=machines,
              has_vnc=has_vnc,
-             uptimes=uptimes,
+             uptimes=g.uptimes,
              cdroms=CDROM.select())
     return Template(file='list.tmpl', searchList=[d, global_dict])
 
@@ -510,6 +511,10 @@ def getDiskInfo(data_dict, machine):
 
 def deleteVM(machine):
     """Delete a VM."""
+    try:
+        remctl('destroy', machine.name)
+    except:
+        pass
     transaction = ctx.current.create_transaction()
     delete_disk_pairs = [(machine.name, d.guest_device_name) for d in machine.disks]
     try:
@@ -530,11 +535,11 @@ def deleteVM(machine):
 
 def command(user, fields):
     """Handler for running commands like boot and delete on a VM."""
-    print time.time()-start_time
+    print >> sys.stderr, time.time()-start_time
     machine = testMachineId(user, fields.getfirst('machine_id'))
     action = fields.getfirst('action')
     cdrom = fields.getfirst('cdrom')
-    print time.time()-start_time
+    print >> sys.stderr, time.time()-start_time
     if cdrom is not None and not CDROM.get(cdrom):
         raise CodeError("Invalid cdrom type '%s'" % cdrom)    
     if action not in ('Reboot', 'Power on', 'Power off', 'Shutdown', 'Delete VM'):
@@ -555,7 +560,7 @@ def command(user, fields):
         remctl('shutdown', machine.name)
     elif action == 'Delete VM':
         deleteVM(machine)
-    print time.time()-start_time
+    print >> sys.stderr, time.time()-start_time
 
     d = dict(user=user,
              command=action,
@@ -563,7 +568,7 @@ def command(user, fields):
     return Template(file="command.tmpl", searchList=[d, global_dict])
 
 def testOwner(user, owner, machine=None):
-    if owner != user.username:
+    if not getafsgroups.checkLockerOwner(user.username, owner):
         raise InvalidInput('owner', owner,
                            "Invalid")
     return owner
@@ -574,10 +579,24 @@ def testContact(user, contact, machine=None):
                            "Invalid")
     return contact
 
+def testDisk(user, disksize, machine=None):
+    return disksize
+
+def testName(user, name, machine=None):
+    if Machine.select_by(name=name) == []:
+        return name
+    if name == machine.name:
+        return name
+    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")
 
@@ -585,19 +604,64 @@ def testHostname(user, hostname, machine):
 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'),
+
+    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)
-    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)
+        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:
+            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)
+        
+        # XXX all NICs get same hostname on change?  Interface doesn't support more.
+        for nic in machine.nics:
+            nic.hostname = hostname
+            ctx.current.save(nic)
+
+        if owner != machine.owner:
+            machine.owner = owner
+        if name != machine.name:
+            machine.name = name
+            
+        ctx.current.save(machine)
+        transaction.commit()
+    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)
+    d = dict(user=user,
+             command=command,
+             machine=machine)
+    return Template(file="command.tmpl", searchList=[d, global_dict])    
 
-    
 
 def help(user, fields):
     """Handler for help messages."""
@@ -722,8 +786,8 @@ if __name__ == '__main__':
         u.email = 'nobody'
     connect('postgres://sipb-xen@sipb-xen-dev/sipb_xen')
     operation = os.environ.get('PATH_INFO', '')
-    #print 'Content-Type: text/plain\n'
-    #print operation
+#    print 'Content-Type: text/plain\n'
+#    print operation
     if not operation:
         print "Status: 301 Moved Permanently"
         print 'Location: ' + os.environ['SCRIPT_NAME']+'/\n'
@@ -733,7 +797,7 @@ if __name__ == '__main__':
         operation = operation[1:]
     if not operation:
         operation = 'list'
-    
+
     def badOperation(u, e):
         raise CodeError("Unknown operation")
 
@@ -746,17 +810,20 @@ if __name__ == '__main__':
         sys.stderr.seek(0)
         e = sys.stderr.read()
         if e:
-            output = output.replace('<body>', '<body><pre>'+e+'</pre>')
+            output = str(output)
+            output = output.replace('<body>', '<body><p>STDERR:</p><pre>'+e+'</pre>')
         print output
     except CodeError, err:
         print 'Content-Type: text/html\n'
         sys.stderr.seek(0)
         e = sys.stderr.read()
+        sys.stderr=sys.stdout
         print error(operation, u, fields, err, e)
     except InvalidInput, err:
         print 'Content-Type: text/html\n'
         sys.stderr.seek(0)
         e = sys.stderr.read()
+        sys.stderr=sys.stdout
         print invalidInput(operation, u, fields, err, e)
     except:
         print 'Content-Type: text/plain\n'
@@ -764,4 +831,5 @@ if __name__ == '__main__':
         e = sys.stderr.read()
         print e
         print '----'
+        sys.stderr = sys.stdout
         raise