def initalize_hypervisor_instances(hypervisor):
conn = hypervisor.get_connection(True)
if conn:
# create dummy network
network, created = Network.objects.get_or_create(
hypervisor=hypervisor,
netmask="255.255.255.255",
gateway="0.0.0.0",
broadcast="0.0.0.255",
network="0.0.0.0",
start="0.0.0.0",
end="255.255.255.255"
)
domains = []
for dom_id in conn.listDomainsID():
dom = conn.lookupByID(dom_id)
xml = minidom.parseString(dom.XMLDesc(0))
items = xml.getElementsByTagName('name')
name = items[0].childNodes[0].data
domains.append(name)
domains += conn.listDefinedDomains()
print domains
dummy_user = User.objects.all()[0]
for name in domains:
print name
dom = conn.lookupByName(name)
xml = minidom.parseString(dom.XMLDesc(0))
items = xml.getElementsByTagName('memory')
memory = int(items[0].childNodes[0].data)
memory_size = Size.objects.filter(size=memory*1024)
if not memory_size:
memory_size, created = Size.objects.get_or_create(
name="%d KiB" % (memory), # make more robust, i.e. detect unit size
size=memory*1024
)
else: memory_size = memory_size[0]
items = xml.getElementsByTagName('vcpu')
vcpus = int(items[0].childNodes[0].data)
items = xml.getElementsByTagName('mac')
mac = items[0].getAttributeNode('address').nodeValue
volume_path = None
for disk in xml.getElementsByTagName('disk'):
if disk.getAttributeNode('device').nodeValue == 'disk':
items = disk.getElementsByTagName('source')
volume_path = items[0].getAttributeNode('file').nodeValue
if not volume_path:
# print error
print "no volume path for %s" % (name)
continue
try:
vol = conn.storageVolLookupByPath(volume_path)
storagepool = StoragePool.objects.get(
name=vol.storagePoolLookupByVolume().name()
)
except libvirt.libvirtError as e:
print e
print "HERRRO"
continue
if not storagepool:
# print error
print "no storage pool for %s" % (name)
continue
capacity = Size.objects.get(size=vol.info()[1])
if not capacity:
capacity, created = Size.objects.get_or_create(
name=vol.info()[1],
size=vol.info()[1]
)
volume = Volume.objects.filter(name=volume_path.split('/')[-1].split('.')[0])
if not volume:
volume = Volume(
name=volume_path.split('/')[-1].split('.')[0],
capacity=capacity,
allocated=vol.info()[2],
storagepool=storagepool
)
volume.save()
else: volume = volume[0]
instance_network = None
# might need to detect multiple networks here, apeend to list
# for param in xml.getElementsByTagName('parameter'):
# if param.getAttributeNode('name').nodeValue == 'IP':
# instance_network = param.getAttributeNode('value').nodeValue
# if instance_network:
# instance_network, created = InstanceNetwork.objects.get_or_create(
# ip=instance_network,
# network=network,
#
# )
# else:
# instance_network = network.create_unique_address()
print "Create instance object..."
instance = Instance.objects.filter(name=name)
if not instance:
instance = Instance(
name=name,
user=dummy_user,
creator=dummy_user,
vcpu=vcpus,
memory=memory_size,
volume=volume,
)
instance.save()
print "DONE..."
