def inventory_format(spec):
from pxul.StringIO import StringIO
from pxul.os import fullpath
with StringIO() as sio:
for group in spec.inventory:
assert len(group) == 1
name = group.keys()[0]
nodes = group.values()[0]
sio.writeln('[{}]'.format(name))
for node in nodes:
ip = node.floating_ip or node.ip
sio.write('{host} ansible_ssh_host={ip}'\
.format(host = node.hostname,
ip = ip))
sio.write(' ansible_ssh_private_key={}'\
.format(fullpath(node.private_key)))
sio.write('\n')
sio.writeln('')
return sio.getvalue()
def boot(nodes, prefix='', dry_run=False,
waitForActiveSleep=1,
waitForActiveTimeout=60,
**kws):
nova = get_client()
for node in nodes:
node_name = prefix + node.hostname
print node.hostname, '->', node_name
image_name = node.image
flavor_name = node.flavor
key_name = node.key_name
net_name = node.network
sec_groups = node.security_groups
if dry_run:
yield node
continue
################################################## upload key if needed
try:
print('-> Looking for key {}'.format(key_name))
nova.keypairs.find(name=key_name)
except novaclient.exceptions.NotFound:
print('...not found, adding {} as {}'.format(node.public_key, key_name))
path = node.public_key
key = open(fullpath(path)).read()
nova.keypairs.create(key_name, key)
image = nova.images.find(name=image_name)
flavor = nova.flavors.find(name=flavor_name)
nics = [{'net-id': nova.networks.find(label=net_name).id}]
################################################## boot
try:
print('-> Checking if already booted')
nova.servers.find(name=node_name)
print '...true'
continue
except novaclient.exceptions.NotFound:
print('-> Creating {}'.format(node_name))
vm = nova.servers.create(
node_name,
image,
flavor,
key_name=key_name,
nics=nics
)
def is_active():
instance = nova.servers.get(vm.id)
return instance.status == 'ACTIVE'
print '-> Waiting until ACTIVE ',
wait_until(is_active, sleep_time=waitForActiveSleep, max_time=waitForActiveTimeout)
################################################## security groups
for name in sec_groups:
print('-> Adding to security group {}'.format(name))
vm.add_security_group(name)
################################################## floating ip
if node.create_floating_ip:
print('-> Adding floating ip')
try:
# first try to get a free ip
floating_ip = nova.floating_ips.findall(instance_id=None)[0]
print('...using {}'.format(floating_ip))
except IndexError:
pool = node.floating_ip_pool
floating_ip = nova.floating_ips.create(pool=pool)
print('...allocated {} from pool {}'.format(floating_ip, pool))
print('...associating')
vm.add_floating_ip(floating_ip)
# usefull for regenerating a spec file
node.floating_ip = floating_ip.ip
# node.set_dynamic('floating_ip', str(ip.ip))
print('...done')
################################################## internal ip
print('-> Geting internal ip')
instance = nova.servers.get(vm.id)
addresses = instance.addresses[net_name]
fixed_addresses = [
a['addr']
for a in addresses
if a['OS-EXT-IPS:type'] == 'fixed'
]
assert len(fixed_addresses) == 1, fixed_addresses
internal_ip = fixed_addresses[0]
node.ip = internal_ip
print('...done')
################################################## extra discs
for disk in node.extra_disks:
# cinder not support yet
print 'WARNING extra disks not supported yet'
# node.unset_dynamic('extra_disks')
################################################## save
yield node