+
+import os
+import socket
+import base64
+import string
+import random
+from collections import defaultdict
from nova.exception import ImageNotFound
from nova.api.ec2.cloud import CloudController
from sfa.util.faults import SfaAPIError
from sfa.rspecs.elements.login import Login
from sfa.rspecs.elements.disk_image import DiskImage
from sfa.rspecs.elements.services import Services
+from sfa.rspecs.elements.interface import Interface
from sfa.util.xrn import Xrn
-from sfa.util.osxrn import OSXrn
+from sfa.planetlab.plxrn import PlXrn
+from sfa.openstack.osxrn import OSXrn, hrn_to_os_slicename
from sfa.rspecs.version_manager import VersionManager
+from sfa.openstack.security_group import SecurityGroup
+from sfa.util.sfalogging import logger
-
-def disk_image_to_rspec_object(image):
- img = DiskImage()
- img['name'] = image['ami']['name']
- img['description'] = image['ami']['name']
- img['os'] = image['ami']['name']
- img['version'] = image['ami']['name']
- return img
-
+def pubkeys_to_user_data(pubkeys):
+ user_data = "#!/bin/bash\n\n"
+ for pubkey in pubkeys:
+ pubkey = pubkey.replace('\n', '')
+ user_data += "echo %s >> /root/.ssh/authorized_keys" % pubkey
+ user_data += "\n"
+ user_data += "echo >> /root/.ssh/authorized_keys"
+ user_data += "\n"
+ return user_data
def instance_to_sliver(instance, slice_xrn=None):
- # should include?
- # * instance.image_ref
- # * instance.kernel_id
- # * instance.ramdisk_id
- import nova.db.sqlalchemy.models
- name=None
- type=None
sliver_id = None
- if isinstance(instance, dict):
- # this is an isntance type dict
- name = instance['name']
- type = instance['name']
- elif isinstance(instance, nova.db.sqlalchemy.models.Instance):
- # this is an object that describes a running instance
- name = instance.display_name
- type = instance.instance_type.name
- else:
- raise SfaAPIError("instnace must be an instance_type dict or" + \
- " a nova.db.sqlalchemy.models.Instance object")
if slice_xrn:
xrn = Xrn(slice_xrn, 'slice')
sliver_id = xrn.get_sliver_id(instance.project_id, instance.hostname, instance.id)
sliver = Sliver({'slice_id': sliver_id,
- 'name': name,
- 'type': 'plos-' + type,
- 'tags': []})
+ 'name': instance.name,
+ 'type': instance.name,
+ 'cpus': str(instance.vcpus),
+ 'memory': str(instance.ram),
+ 'storage': str(instance.disk)})
return sliver
-
+def image_to_rspec_disk_image(image):
+ img = DiskImage()
+ img['name'] = image['name']
+ img['description'] = image['name']
+ img['os'] = image['name']
+ img['version'] = image['name']
+ return img
+
class OSAggregate:
def __init__(self, driver):
self.driver = driver
- def get_machine_image_details(self, image):
- """
- Returns a dict that contains the ami, aki and ari details for the specified
- ami image.
- """
- disk_image = {}
- if image['container_format'] == 'ami':
- kernel_id = image['properties']['kernel_id']
- ramdisk_id = image['properties']['ramdisk_id']
- disk_image['ami'] = image
- disk_image['aki'] = self.driver.shell.image_manager.show(kernel_id)
- disk_image['ari'] = self.driver.shell.image_manager.show(ramdisk_id)
- return disk_image
-
- def get_disk_image(self, id=None, name=None):
- """
- Look up a image bundle using the specifeid id or name
- """
- disk_image = None
- try:
- if id:
- image = self.driver.shell.image_manager.show(image_id)
- elif name:
- image = self.driver.shell.image_manager.show_by_name(image_name)
- if image['container_format'] == 'ami':
- disk_image = self.get_machine_image_details(image)
- except ImageNotFound:
- pass
- return disk_image
-
- def get_available_disk_images(self):
- # get image records
- disk_images = []
- for image in self.driver.shell.image_manager.detail():
- if image['container_format'] == 'ami':
- disk_images.append(self.get_machine_image_details(image))
- return disk_images
-
def get_rspec(self, slice_xrn=None, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec.version.add_nodes(nodes)
return rspec.toxml()
+ def get_availability_zones(self):
+ # essex release
+ zones = self.driver.shell.nova_manager.dns_domains.domains()
+
+ if not zones:
+ zones = ['cloud']
+ else:
+ zones = [zone.name for zone in zones]
+ return zones
+
def get_slice_nodes(self, slice_xrn):
- name = OSXrn(xrn = slice_xrn).name
- instances = self.driver.shell.db.instance_get_all_by_project(name)
+ zones = self.get_availability_zones()
+ name = hrn_to_os_slicename(slice_xrn)
+ instances = self.driver.shell.nova_manager.servers.findall(name=name)
rspec_nodes = []
for instance in instances:
rspec_node = Node()
- xrn = OSXrn(instance.hostname, 'node')
- rspec_node['component_id'] = xrn.urn
- rspec_node['component_name'] = xrn.name
- rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
- sliver = instance_to_sliver(instance)
- disk_image = self.get_disk_image(instance.image_ref)
- sliver['disk_images'] = [disk_image_to_rspec_object(disk_image)]
+
+ #TODO: find a way to look up an instances availability zone in essex
+ #if instance.availability_zone:
+ # node_xrn = OSXrn(instance.availability_zone, 'node')
+ #else:
+ # node_xrn = OSXrn('cloud', 'node')
+ node_xrn = instance.metatata.get('component_id')
+ if not node_xrn:
+ node_xrn = OSXrn('cloud', 'node')
+
+ rspec_node['component_id'] = node_xrn.urn
+ rspec_node['component_name'] = node_xrn.name
+ rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
+ flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
+ sliver = instance_to_sliver(flavor)
rspec_node['slivers'] = [sliver]
+ image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
+ if isinstance(image, list) and len(image) > 0:
+ image = image[0]
+ disk_image = image_to_rspec_disk_image(image)
+ sliver['disk_image'] = [disk_image]
+
+ # build interfaces
+ interfaces = []
+ addresses = instance.addresses
+ for private_ip in addresses.get('private', []):
+ if_xrn = PlXrn(auth=self.driver.hrn,
+ interface='node%s:eth0' % (instance.hostId))
+ interface = Interface({'component_id': if_xrn.urn})
+ interface['ips'] = [{'address': private_ip['addr'],
+ #'netmask': private_ip['network'],
+ 'type': private_ip['version']}]
+ interfaces.append(interface)
+ rspec_node['interfaces'] = interfaces
+
+ # slivers always provide the ssh service
+ rspec_node['services'] = []
+ for public_ip in addresses.get('public', []):
+ login = Login({'authentication': 'ssh-keys',
+ 'hostname': public_ip['addr'],
+ 'port':'22', 'username': 'root'})
+ service = Services({'login': login})
+ rspec_node['services'].append(service)
rspec_nodes.append(rspec_node)
return rspec_nodes
def get_aggregate_nodes(self):
-
- zones = self.driver.shell.db.zone_get_all()
- if not zones:
- zones = ['cloud']
- else:
- zones = [zone.name for zone in zones]
-
+ zones = self.get_availability_zones()
# available sliver/instance/vm types
- instances = self.driver.shell.db.instance_type_get_all().values()
+ instances = self.driver.shell.nova_manager.flavors.list()
+ if isinstance(instances, dict):
+ instances = instances.values()
# available images
- disk_images = self.get_available_disk_images()
- disk_image_objects = [disk_image_to_rspec_object(image) \
- for image in disk_images]
+ images = self.driver.shell.image_manager.get_images_detailed()
+ disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
rspec_nodes = []
for zone in zones:
rspec_node = Node()
- xrn = OSXrn(zone, 'node')
+ xrn = OSXrn(zone, type='node')
rspec_node['component_id'] = xrn.urn
rspec_node['component_name'] = xrn.name
rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
slivers = []
for instance in instances:
sliver = instance_to_sliver(instance)
- sliver['disk_images'] = disk_image_objects
+ sliver['disk_image'] = disk_images
slivers.append(sliver)
rspec_node['slivers'] = slivers
return rspec_nodes
- def create_project(self, slicename, users, options={}):
- """
- Create the slice if it doesn't alredy exist
- """
- import nova.exception.ProjectNotFound
- try:
- slice = self.driver.shell.auth_manager.get_project(slicename)
- except nova.exception.ProjectNotFound:
- # convert urns to user names
- usernames = [Xrn(user['urn']).get_leaf() for user in users]
- # assume that the first user is the project manager
- proj_manager = usernames[0]
- self.driver.shell.auth_manager.create_project(slicename, proj_manager)
+ def create_instance_key(self, slice_hrn, user):
+ key_name = "%s:%s" (slice_name, Xrn(user['urn']).get_hrn())
+ pubkey = user['keys'][0]
+ key_found = False
+ existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
+ for existing_key in existing_keys:
+ if existing_key.public_key != pubkey:
+ self.driver.shell.nova_manager.keypairs.delete(existing_key)
+ elif existing_key.public_key == pubkey:
+ key_found = True
- def create_project_users(self, slicename, users, options={}):
- """
- Add requested users to the specified slice.
- """
-
- # There doesn't seem to be an effcient way to
- # look up all the users of a project, so lets not
- # attempt to remove stale users . For now lets just
- # ensure that the specified users exist
- for user in users:
- username = Xrn(user['urn']).get_leaf()
- try:
- self.driver.shell.auth_manager.get_user(username)
- except nova.exception.UserNotFound:
- self.driver.shell.auth_manager.create_user(username)
- self.verify_user_keys(username, user['keys'], options)
+ if not key_found:
+ self.driver.shll.nova_manager.keypairs.create(key_name, pubkey)
+ return key_name
- def verify_user_keys(self, username, keys, options={}):
- """
- Add requested keys.
- """
- append = options.get('append', True)
- existing_keys = self.driver.shell.db.key_pair_get_all_by_user(username)
- existing_pub_keys = [key.public_key for key in existing_keys]
- removed_pub_keys = set(existing_pub_keys).difference(keys)
- added_pub_keys = set(keys).difference(existing_pub_keys)
- pubkeys = []
- # add new keys
- for public_key in added_pub_keys:
- key = {}
- key['user_id'] = username
- key['name'] = username
- key['public'] = public_key
- self.driver.shell.db.key_pair_create(key)
+ def create_security_group(self, slicename, fw_rules=[]):
+ # use default group by default
+ group_name = 'default'
+ if isinstance(fw_rules, list) and fw_rules:
+ # Each sliver get's its own security group.
+ # Keep security group names unique by appending some random
+ # characters on end.
+ random_name = "".join([random.choice(string.letters+string.digits)
+ for i in xrange(6)])
+ group_name = slicename + random_name
+ security_group = SecurityGroup(self.driver)
+ security_group.create_security_group(group_name)
+ for rule in fw_rules:
+ security_group.add_rule_to_group(group_name,
+ protocol = rule.get('protocol'),
+ cidr_ip = rule.get('cidr_ip'),
+ port_range = rule.get('port_range'),
+ icmp_type_code = rule.get('icmp_type_code'))
+ return group_name
- # remove old keys
- if not append:
- for key in existing_keys:
- if key.public_key in removed_pub_keys:
- self.driver.shell.db.key_pair_destroy(username, key.name)
-
- def reserve_instance(self, image_id, kernel_id, ramdisk_id, \
- instance_type, key_name, user_data):
- conn = self.driver.euca_shell
- logger.info('Reserving an instance: image: %s, kernel: ' \
- '%s, ramdisk: %s, type: %s, key: %s' % \
- (image_id, kernel_id, ramdisk_id,
- instance_type, key_name))
- try:
- reservation = conn.run_instances(image_id=image_id,
- kernel_id=kernel_id,
- ramdisk_id=ramdisk_id,
- instance_type=instance_type,
- key_name=key_name,
- user_data = user_data)
- except EC2ResponseError, ec2RespError:
- logger.log_exc(ec2RespError)
-
- def run_instances(self, slicename, rspec, keyname, pubkeys):
- """
- Create the instances thats requested in the rspec
- """
- # the default image to use for instnaces that dont
- # explicitly request an image.
- # Just choose the first available image for now.
- available_images = self.get_available_disk_images()
- default_image = self.get_disk_images()[0]
- default_ami_id = CloudController.image_ec2_id(default_image['ami']['id'])
- default_aki_id = CloudController.image_ec2_id(default_image['aki']['id'])
- default_ari_id = CloudController.image_ec2_id(default_image['ari']['id'])
+ def add_rule_to_security_group(self, group_name, **kwds):
+ security_group = SecurityGroup(self.driver)
+ security_group.add_rule_to_group(group_name=group_name,
+ protocol=kwds.get('protocol'),
+ cidr_ip =kwds.get('cidr_ip'),
+ icmp_type_code = kwds.get('icmp_type_code'))
+
+
+
+ def run_instances(self, slicename, rspec, key_name, pubkeys):
+ #logger.debug('Reserving an instance: image: %s, flavor: ' \
+ # '%s, key: %s, name: %s' % \
+ # (image_id, flavor_id, key_name, slicename))
- # get requested slivers
+ authorized_keys = "\n".join(pubkeys)
+ files = {'/root/.ssh/authorized_keys': authorized_keys}
rspec = RSpec(rspec)
requested_instances = defaultdict(list)
# iterate over clouds/zones/nodes
for node in rspec.version.get_nodes_with_slivers():
- instance_types = node.get('slivers', [])
- if isinstance(instance_types, list):
- # iterate over sliver/instance types
- for instance_type in instance_types:
- ami_id = default_ami_id
- aki_id = default_aki_id
- ari_id = default_ari_id
- req_image = instance_type.get('disk_images')
- if req_image and isinstance(req_image, list):
- req_image_name = req_image[0]['name']
- disk_image = self.get_disk_image(name=req_image_name)
- if disk_image:
- ami_id = CloudController.image_ec2_id(disk_image['ami']['id'])
- aki_id = CloudController.image_ec2_id(disk_image['aki']['id'])
- ari_id = CloudController.image_ec2_id(disk_image['ari']['id'])
- # start the instance
- self.reserve_instance(ami_id, aki_id, ari_id, \
- instance_type['name'], keyname, pubkeys)
+ instances = node.get('slivers', [])
+ if not instances:
+ continue
+ for instance in instances:
+ metadata = {}
+ flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
+ image = instance.get('disk_image')
+ if image and isinstance(image, list):
+ image = image[0]
+ image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
+ fw_rules = instance.get('fw_rules', [])
+ group_name = self.create_security_group(slicename, fw_rules)
+ metadata['security_groups'] = [group_name]
+ metadata['component_id'] = node['component_id']
+ try:
+ self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
+ image=image_id,
+ key_name = key_name,
+ security_group = group_name,
+ files=files,
+ meta=metadata,
+ name=slicename)
+ except Exception, err:
+ logger.log_exc(err)
+
+
+
+ def delete_instances(self, instance_name):
+ instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
+ security_group_manager = SecurityGroup(self.driver)
+ for instance in instances:
+ # deleate this instance's security groups
+ for security_group in instance.metadata.get('security_groups', []):
+ # dont delete the default security group
+ if security_group != 'default':
+ security_group_manager.delete_security_group(security_group)
+ # destroy instance
+ self.driver.shell.nova_manager.servers.delete(instance)
+ return 1
+
+ def stop_instances(self, instance_name):
+ instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
+ for instance in instances:
+ self.driver.shell.nova_manager.servers.pause(instance)
+ return 1
+
+ def update_instances(self, project_name):
+ pass
git://git.onelab.eu / sfa.git / blobdiff