X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/cabbf7ab8e35de060f6f4e3f75670558ad25d9b5..951f7df4a26ea47232121d8d516fc3ccec61a9ba:/code/controls.py

diff --git a/code/controls.py b/code/controls.py
index 808c988..b946666 100644
--- a/code/controls.py
+++ b/code/controls.py
@@ -69,6 +69,18 @@ def makeDisks(machine):
     for disk in machine.disks:
         lvcreate(machine, disk)
 
+def getswap(disksize, memsize):
+    """Returns the recommended swap partition size."""
+    return int(min(disksize / 4, memsize * 1.5))
+
+def lvinstall(machine, autoinstall):
+    disksize = machine.disks[0].size
+    memsize = machine.memory
+    imagesize = disksize - getswap(disksize, memsize)
+    ip = machine.nics[0].ip
+    remctl('web', 'install', machine.name, autoinstall.distribution,
+           autoinstall.mirror, str(imagesize), ip)
+
 def lvcopy(machine_orig_name, machine, rootpw):
     """Copy a golden image onto a machine's disk"""
     remctl('web', 'lvcopy', machine_orig_name, machine.name, rootpw)
@@ -92,18 +104,19 @@ def bootMachine(machine, cdtype):
         raise CodeError('"%s" on "control %s create %s' 
                         % (err, machine.name, cdtype))
 
-def createVm(username, state, owner, contact, name, memory, disksize, machine_type, cdrom, clone_from):
+def createVm(username, state, owner, contact, name, description, memory, disksize, machine_type, cdrom, autoinstall):
     """Create a VM and put it in the database"""
     # put stuff in the table
     transaction = ctx.current.create_transaction()
     try:
-        validation.Validate(username, state, owner=owner, memory=memory, disksize=disksize/1024.)
+        validation.Validate(username, state, name=name, description=description, owner=owner, memory=memory, disksize=disksize/1024.)
         res = meta.engine.execute('select nextval('
                                   '\'"machines_machine_id_seq"\')')
         id = res.fetchone()[0]
         machine = Machine()
         machine.machine_id = id
         machine.name = name
+        machine.description = description
         machine.memory = memory
         machine.owner = owner
         machine.administrator = owner
@@ -129,8 +142,8 @@ def createVm(username, state, owner, contact, name, memory, disksize, machine_ty
         transaction.rollback()
         raise
     makeDisks(machine)
-    if clone_from:
-        lvcopy(clone_from, machine, 'password')
+    if autoinstall:
+        lvinstall(machine, autoinstall)
     # tell it to boot with cdrom
     bootMachine(machine, cdrom)
     return machine
@@ -138,7 +151,7 @@ def createVm(username, state, owner, contact, name, memory, disksize, machine_ty
 def getList():
     """Return a dictionary mapping machine names to dicts."""
     value_string = remctl('web', 'listvms')
-    value_dict = yaml.load(value_string, yaml.SafeLoader)
+    value_dict = yaml.load(value_string, yaml.CSafeLoader)
     return value_dict
 
 def parseStatus(s):
@@ -175,7 +188,7 @@ def statusInfo(machine):
     if 'Unknown command' in err_string:
         raise CodeError("ERROR in remctl list-long %s is not registered" % 
                         (machine.name,))
-    elif 'does not exist' in err_string:
+    elif 'is not on' in err_string:
         return None
     elif err_string:
         raise CodeError("ERROR in remctl list-long %s:  %s" % 
@@ -183,6 +196,13 @@ def statusInfo(machine):
     status = parseStatus(value_string)
     return status
 
+def listHost(machine):
+    """Return the host a machine is running on"""
+    out, err = remctl('control', machine.name, 'listhost', err=True)
+    if err:
+        return None
+    return out.strip()
+
 def deleteVM(machine):
     """Delete a VM."""
     remctl('control', machine.name, 'destroy', err=True)
@@ -196,8 +216,6 @@ def deleteVM(machine):
             ctx.current.save(nic)
         for disk in machine.disks:
             ctx.current.delete(disk)
-        for access in machine.acl:
-            ctx.current.delete(access)
         ctx.current.delete(machine)
         transaction.commit()
     except: