369 lines
12 KiB
Python
369 lines
12 KiB
Python
#!/usr/bin/env python
|
|
|
|
# Copyright (C) 2011-2013 OpenStack Foundation
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
#
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import logging
|
|
import paramiko
|
|
import novaclient
|
|
import novaclient.client
|
|
import time
|
|
|
|
import fakeprovider
|
|
from task_manager import Task, TaskManager
|
|
|
|
|
|
def iterate_timeout(max_seconds, purpose):
|
|
start = time.time()
|
|
count = 0
|
|
while (time.time() < start + max_seconds):
|
|
count += 1
|
|
yield count
|
|
time.sleep(2)
|
|
raise Exception("Timeout waiting for %s" % purpose)
|
|
|
|
|
|
class NotFound(Exception):
|
|
pass
|
|
|
|
|
|
class CreateServerTask(Task):
|
|
def main(self, client):
|
|
server = client.servers.create(**self.args)
|
|
return server.id
|
|
|
|
|
|
class GetServerTask(Task):
|
|
def getPublicIP(self, server, version=4):
|
|
for addr in server.addresses.get('public', []):
|
|
if type(addr) == type(u''): # Rackspace/openstack 1.0
|
|
return addr
|
|
if addr['version'] == version: # Rackspace/openstack 1.1
|
|
return addr['addr']
|
|
for addr in server.addresses.get('private', []):
|
|
# HPcloud
|
|
if (addr['version'] == version and version == 4):
|
|
quad = map(int, addr['addr'].split('.'))
|
|
if quad[0] == 10:
|
|
continue
|
|
if quad[0] == 192 and quad[1] == 168:
|
|
continue
|
|
if quad[0] == 172 and (16 <= quad[1] <= 31):
|
|
continue
|
|
return addr['addr']
|
|
return None
|
|
|
|
def main(self, client):
|
|
try:
|
|
server = client.servers.get(self.args['server_id'])
|
|
except novaclient.exceptions.NotFound:
|
|
raise NotFound()
|
|
d = dict(id=server.id,
|
|
status=server.status,
|
|
addresses=server.addresses)
|
|
if hasattr(server, 'adminPass'):
|
|
d['admin_pass'] = server.adminPass
|
|
if hasattr(server, 'key_name'):
|
|
d['key_name'] = server.key_name
|
|
if hasattr(server, 'progress'):
|
|
d['progress'] = server.progress
|
|
d['public_v4'] = self.getPublicIP(server)
|
|
return d
|
|
|
|
|
|
class DeleteServerTask(Task):
|
|
def main(self, client):
|
|
client.servers.delete(self.args['server_id'])
|
|
|
|
|
|
class AddKeypairTask(Task):
|
|
def main(self, client):
|
|
client.keypairs.create(**self.args)
|
|
|
|
|
|
class ListKeypairsTask(Task):
|
|
def main(self, client):
|
|
keys = client.keypairs.list()
|
|
return [dict(id=key.id, name=key.name) for
|
|
key in keys]
|
|
|
|
|
|
class DeleteKeypairTask(Task):
|
|
def main(self, client):
|
|
client.keypairs.delete(self.args['name'])
|
|
|
|
|
|
class CreateFloatingIPTask(Task):
|
|
def main(self, client):
|
|
ip = client.floating_ips.create()
|
|
return dict(id=ip.id, ip=ip.ip)
|
|
|
|
|
|
class AddFloatingIPTask(Task):
|
|
def main(self, client):
|
|
client.servers.add_floating_ip(**self.args)
|
|
|
|
|
|
class GetFloatingIPTask(Task):
|
|
def main(self, client):
|
|
ip = client.floating_ips.get(self.args['ip_id'])
|
|
return dict(id=ip.id, ip=ip.ip, instance_id=ip.instance_id)
|
|
|
|
|
|
class ListFloatingIPsTask(Task):
|
|
def main(self, client):
|
|
ips = client.floating_ips.list()
|
|
return [dict(id=ip.id, ip=ip.ip, instance_id=ip.instance_id) for
|
|
ip in ips]
|
|
|
|
|
|
class RemoveFloatingIPTask(Task):
|
|
def main(self, client):
|
|
client.servers.remove_floating_ip(**self.args)
|
|
|
|
|
|
class DeleteFloatingIPTask(Task):
|
|
def main(self, client):
|
|
client.floating_ips.delete(self.args['ip_id'])
|
|
|
|
|
|
class CreateImageTask(Task):
|
|
def main(self, client):
|
|
# This returns an id
|
|
return client.servers.create_image(**self.args)
|
|
|
|
|
|
class GetImageTask(Task):
|
|
def main(self, client):
|
|
try:
|
|
image = client.images.get(**self.args)
|
|
except novaclient.exceptions.NotFound:
|
|
raise NotFound()
|
|
d = dict(id=image.id, status=image.status)
|
|
if hasattr(image, 'progress'):
|
|
d['progress'] = image.progress
|
|
return d
|
|
|
|
|
|
class FindImageTask(Task):
|
|
def main(self, client):
|
|
image = client.images.find(**self.args)
|
|
return dict(id=image.id)
|
|
|
|
|
|
class DeleteImageTask(Task):
|
|
def main(self, client):
|
|
client.images.delete(**self.args)
|
|
|
|
|
|
class ProviderManager(TaskManager):
|
|
log = logging.getLogger("nodepool.ProviderManager")
|
|
|
|
def __init__(self, provider):
|
|
super(ProviderManager, self).__init__(None, provider.name,
|
|
provider.rate)
|
|
self.provider = provider
|
|
self._client = self._getClient()
|
|
self._flavors = self._getFlavors()
|
|
self._images = {}
|
|
self._extensions = self._getExtensions()
|
|
|
|
def _getClient(self):
|
|
args = ['1.1', self.provider.username, self.provider.password,
|
|
self.provider.project_id, self.provider.auth_url]
|
|
kwargs = {}
|
|
if self.provider.service_type:
|
|
kwargs['service_type'] = self.provider.service_type
|
|
if self.provider.service_name:
|
|
kwargs['service_name'] = self.provider.service_name
|
|
if self.provider.region_name:
|
|
kwargs['region_name'] = self.provider.region_name
|
|
if self.provider.auth_url == 'fake':
|
|
return fakeprovider.FAKE_CLIENT
|
|
return novaclient.client.Client(*args, **kwargs)
|
|
|
|
def _getFlavors(self):
|
|
l = [dict(id=f.id, ram=f.ram) for f in self._client.flavors.list()]
|
|
l.sort(lambda a, b: cmp(a['ram'], b['ram']))
|
|
return l
|
|
|
|
def _getExtensions(self):
|
|
try:
|
|
resp, body = self._client.client.get('/extensions')
|
|
return [x['alias'] for x in body['extensions']]
|
|
except novaclient.exceptions.NotFound:
|
|
return []
|
|
|
|
def hasExtension(self, extension):
|
|
if extension in self._extensions:
|
|
return True
|
|
return False
|
|
|
|
def submitTask(self, task):
|
|
self.queue.put(task)
|
|
return task.wait()
|
|
|
|
def findFlavor(self, min_ram):
|
|
for f in self._flavors:
|
|
if f['ram'] >= min_ram:
|
|
return f
|
|
raise Exception("Unable to find flavor with min ram: %s" % min_ram)
|
|
|
|
def findImage(self, name):
|
|
if name in self._images:
|
|
return self._images[name]
|
|
image = self.submitTask(FindImageTask(name=name))
|
|
self._images[name] = image
|
|
return image
|
|
|
|
def deleteImage(self, name):
|
|
if name in self._images:
|
|
del self._images[name]
|
|
return self.submitTask(DeleteImageTask(image=name))
|
|
|
|
def addKeypair(self, name):
|
|
key = paramiko.RSAKey.generate(2048)
|
|
public_key = key.get_name() + ' ' + key.get_base64()
|
|
self.submitTask(AddKeypairTask(name=name, public_key=public_key))
|
|
return key
|
|
|
|
def listKeypairs(self):
|
|
return self.submitTask(ListKeypairsTask())
|
|
|
|
def deleteKeypair(self, name):
|
|
return self.submitTask(DeleteKeypairTask(name=name))
|
|
|
|
def createServer(self, name, min_ram, image_id=None,
|
|
image_name=None, key_name=None):
|
|
if image_name:
|
|
image_id = self.findImage(image_name)['id']
|
|
flavor = self.findFlavor(min_ram)
|
|
create_args = dict(name=name, image=image_id, flavor=flavor['id'])
|
|
if key_name:
|
|
create_args['key_name'] = key_name
|
|
|
|
return self.submitTask(CreateServerTask(**create_args))
|
|
|
|
def getServer(self, server_id):
|
|
return self.submitTask(GetServerTask(server_id=server_id))
|
|
|
|
def getFloatingIP(self, ip_id):
|
|
return self.submitTask(GetFloatingIPTask(ip_id=ip_id))
|
|
|
|
def _waitForResource(self, resource_type, resource_id, timeout):
|
|
last_progress = None
|
|
last_status = None
|
|
for count in iterate_timeout(timeout,
|
|
"waiting for %s %s" % (resource_type,
|
|
resource_id)):
|
|
try:
|
|
if resource_type == 'server':
|
|
resource = self.getServer(resource_id)
|
|
elif resource_type == 'image':
|
|
resource = self.getImage(resource_id)
|
|
except:
|
|
self.log.exception('Unable to list %ss while waiting for '
|
|
'%s will retry' % (resource_type,
|
|
resource_id))
|
|
continue
|
|
|
|
# In Rackspace v1.0, there is no progress attribute while queued
|
|
progress = resource.get('progress')
|
|
status = resource.get('status')
|
|
if (last_progress != progress or
|
|
last_status != status):
|
|
self.log.debug('Status of %s %s: %s %s' %
|
|
(resource_type, resource_id,
|
|
status, progress))
|
|
last_status = status
|
|
last_progress = progress
|
|
if status == 'ACTIVE':
|
|
return resource
|
|
|
|
def waitForServer(self, server_id, timeout=3600):
|
|
return self._waitForResource('server', server_id, timeout)
|
|
|
|
def waitForImage(self, image_id, timeout=3600):
|
|
return self._waitForResource('image', image_id, timeout)
|
|
|
|
def createFloatingIP(self):
|
|
return self.submitTask(CreateFloatingIPTask())
|
|
|
|
def addFloatingIP(self, server_id, address):
|
|
self.submitTask(AddFloatingIPTask(server=server_id,
|
|
address=address))
|
|
|
|
def addPublicIP(self, server_id):
|
|
ip = self.createFloatingIP()
|
|
self.addFloatingIP(server_id, ip['ip'])
|
|
for count in iterate_timeout(600, "ip to be added"):
|
|
try:
|
|
newip = self.getFloatingIP(ip['id'])
|
|
except Exception:
|
|
self.log.exception('Unable to get IP details for server %s, '
|
|
'will retry' % (server_id))
|
|
continue
|
|
if newip['instance_id'] == server_id:
|
|
return newip['ip']
|
|
|
|
def createImage(self, server_id, image_name):
|
|
return self.submitTask(CreateImageTask(server=server_id,
|
|
image_name=image_name))
|
|
|
|
def getImage(self, image_id):
|
|
return self.submitTask(GetImageTask(image=image_id))
|
|
|
|
def listFloatingIPs(self):
|
|
return self.submitTask(ListFloatingIPsTask())
|
|
|
|
def removeFloatingIP(self, server_id, address):
|
|
return self.submitTask(RemoveFloatingIPTask(server=server_id,
|
|
address=address))
|
|
|
|
def deleteFloatingIP(self, ip_id):
|
|
return self.submitTask(DeleteFloatingIPTask(floating_ip=ip_id))
|
|
|
|
def deleteServer(self, server_id):
|
|
return self.submitTask(DeleteServerTask(server_id=server_id))
|
|
|
|
def cleanupServer(self, server_id):
|
|
server = self.getServer(server_id)
|
|
|
|
if self.hasExtension('os-floating-ips'):
|
|
for ip in self.listFloatingIPs():
|
|
if ip['instance_id'] == server_id:
|
|
self.log.debug('Deleting floating ip for server %s' %
|
|
server_id)
|
|
self.removeFloatingIP(server_id, ip['ip'])
|
|
self.deleteFloatingIP(ip['id'])
|
|
|
|
if self.hasExtension('os-keypairs'):
|
|
for kp in self.listKeypairs():
|
|
if kp['name'] == server['key_name']:
|
|
self.log.debug('Deleting keypair for server %s' %
|
|
server_id)
|
|
self.deleteKeypair(kp['name'])
|
|
|
|
self.log.debug('Deleting server %s' % server_id)
|
|
self.deleteServer(server_id)
|
|
|
|
for count in iterate_timeout(3600, "waiting for server %s deletion" %
|
|
server_id):
|
|
try:
|
|
self.getServer(server_id)
|
|
except NotFound:
|
|
return
|