+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.rspec import RSpec
from sfa.rspecs.elements.hardware_type import HardwareType
from sfa.rspecs.elements.node import Node
from sfa.rspecs.elements.sliver import Sliver
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.plxrn import PlXrn, hrn_to_pl_slicename
from sfa.util.osxrn import OSXrn
from sfa.rspecs.version_manager import VersionManager
+from sfa.openstack.image import ImageManager
+from sfa.openstack.security_group import SecurityGroup
+from sfa.util.sfalogging import logger
+
+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': type,
+ 'tags': []})
+ return sliver
+
+
+def ec2_id(id=None, type=None):
+ ec2_id = None
+ if type == 'ovf':
+ type = 'ami'
+ if id and type:
+ ec2_id = CloudController.image_ec2_id(id, type)
+ return ec2_id
+
class OSAggregate:
def __init__(self, driver):
self.driver = driver
- def instance_to_sliver(self, instance, slice_xrn=None):
- # should include?
- # * instance.image_ref
- # * instance.kernel_id
- # * instance.ramdisk_id
- import nova.db.sqlalchemy.models.Instance
- name=None
- type=None
- sliver_id = None
- if isinstance(instance, dict):
- # this is an isntance type dict
- name = instance['name']
- type = instance['name']
- elif isinstnace(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': []})
- return sliver
-
- def get_rspec(self, slice_xrn=None, vsersion=None, options={}):
+ def get_rspec(self, slice_xrn=None, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
if not slice_xrn:
else:
rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
nodes = self.get_slice_nodes(slice_xrn)
-
+ rspec = RSpec(version=rspec_version, user_options=options)
rspec.version.add_nodes(nodes)
return rspec.toxml()
+ def get_availability_zones(self):
+ zones = self.driver.shell.db.zone_get_all()
+ if not zones:
+ zones = ['cloud']
+ else:
+ zones = [zone.name for zone in zones]
+
def get_slice_nodes(self, slice_xrn):
- name = OSXrn(xrn = slice_xrn).name
+ image_manager = ImageManager(self.driver)
+
+ zones = self.get_availability_zones()
+ name = hrn_to_pl_slicename(slice_xrn)
instances = self.driver.shell.db.instance_get_all_by_project(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
+ interfaces = []
+ for fixed_ip in instance.fixed_ips:
+ if_xrn = PlXrn(auth=self.driver.hrn,
+ interface='node%s:eth0' % (instance.hostname))
+ interface = Interface({'component_id': if_xrn.urn})
+ interface['ips'] = [{'address': fixed_ip['address'],
+ 'netmask': fixed_ip['network'].netmask,
+ 'type': 'ipv4'}]
+ interfaces.append(interface)
+ if instance.availability_zone:
+ node_xrn = OSXrn(instance.availability_zone, 'node')
+ else:
+ 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()
- sliver = self.instance_to_sliver(instance)
+ sliver = instance_to_sliver(instance)
+ disk_image = image_manager.get_disk_image(instance.image_ref)
+ sliver['disk_image'] = [disk_image.to_rspec_object()]
rspec_node['slivers'] = [sliver]
+ rspec_node['interfaces'] = interfaces
+ # slivers always provide the ssh service
+ hostname = None
+ for interface in interfaces:
+ if 'ips' in interface and interface['ips'] and \
+ isinstance(interface['ips'], list):
+ if interface['ips'][0].get('address'):
+ hostname = interface['ips'][0].get('address')
+ break
+ login = Login({'authentication': 'ssh-keys',
+ 'hostname': hostname,
+ 'port':'22', 'username': 'root'})
+ service = Services({'login': login})
+ rspec_node['services'] = [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()
+ # available images
+ image_manager = ImageManager(self.driver)
+ disk_images = image_manager.get_available_disk_images()
+ disk_image_objects = [image.to_rspec_object() \
+ for image in disk_images]
rspec_nodes = []
for zone in zones:
rspec_node = Node()
rspec_node['exclusive'] = 'false'
rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
HardwareType({'name': 'pc'})]
- instances = self.driver.shell.instance_type_get_all().values()
- slivers = [self.instance_to_sliver(inst) for inst in instances]
+ slivers = []
+ for instance in instances:
+ sliver = instance_to_sliver(instance)
+ sliver['disk_image'] = disk_image_objects
+ slivers.append(sliver)
+
rspec_node['slivers'] = slivers
rspec_nodes.append(rspec_node)
- return rspec_node
+ return rspec_nodes
- def verify_slice(self, slicename, users, options={}):
+ def create_project(self, slicename, users, options={}):
"""
- Create the slice if it doesn't alredy exist
+ Create the slice if it doesn't alredy exist. Create user
+ accounts that don't already 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 verify_slice_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
+ from nova.exception import ProjectNotFound, UserNotFound
for user in users:
username = Xrn(user['urn']).get_leaf()
try:
self.driver.shell.auth_manager.create_user(username)
self.verify_user_keys(username, user['keys'], options)
+ try:
+ slice = self.driver.shell.auth_manager.get_project(slicename)
+ except ProjectNotFound:
+ # assume that the first user is the project manager
+ proj_manager = Xrn(users[0]['urn']).get_leaf()
+ self.driver.shell.auth_manager.create_project(slicename, proj_manager)
+
def verify_user_keys(self, username, keys, options={}):
"""
Add requested keys.
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
+ key['public_key'] = public_key
self.driver.shell.db.key_pair_create(key)
# remove old keys
for key in existing_keys:
if key.public_key in removed_pub_keys:
self.driver.shell.db.key_pair_destroy(username, key.name)
-
- def verify_instances(self, slicename, rspec):
- pass
+
+
+ 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
+
+ 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 reserve_instance(self, image_id, kernel_id, ramdisk_id, \
+ instance_type, key_name, user_data, group_name):
+ conn = self.driver.euca_shell.get_euca_connection()
+ 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,
+ security_groups=[group_name])
+ #placement=zone,
+ #min_count=min_count,
+ #max_count=max_count,
+
+ except Exception, err:
+ logger.log_exc(err)
+
+
+ def run_instances(self, slicename, rspec, keyname, pubkeys):
+ """
+ Create the security groups and instances.
+ """
+ # the default image to use for instnaces that dont
+ # explicitly request an image.
+ # Just choose the first available image for now.
+ image_manager = ImageManager(self.driver)
+ available_images = image_manager.get_available_disk_images()
+ default_image_id = None
+ default_aki_id = None
+ default_ari_id = None
+ default_image = available_images[0]
+ default_image_id = ec2_id(default_image.id, default_image.container_format)
+ default_aki_id = ec2_id(default_image.kernel_id, 'aki')
+ default_ari_id = ec2_id(default_image.ramdisk_id, 'ari')
+
+ # get requested slivers
+ rspec = RSpec(rspec)
+ user_data = "\n".join(pubkeys)
+ 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:
+ fw_rules = instance_type.get('fw_rules', [])
+ group_name = self.create_security_group(slicename, fw_rules)
+ ami_id = default_image_id
+ aki_id = default_aki_id
+ ari_id = default_ari_id
+ req_image = instance_type.get('disk_image')
+ if req_image and isinstance(req_image, list):
+ req_image_name = req_image[0]['name']
+ disk_image = image_manager.get_disk_image(name=req_image_name)
+ if disk_image:
+ ami_id = ec2_id(disk_image.id, disk_image.container_format)
+ aki_id = ec2_id(disk_image.kernel_id, 'aki')
+ ari_id = ec2_id(disk_image.ramdisk_id, 'ari')
+ # start the instance
+ self.reserve_instance(image_id=ami_id,
+ kernel_id=aki_id,
+ ramdisk_id=ari_id,
+ instance_type=instance_type['name'],
+ key_name=keyname,
+ user_data=user_data,
+ group_name=group_name)
+
+
+ def delete_instances(self, project_name):
+ instances = self.driver.shell.db.instance_get_all_by_project(project_name)
+ security_group_manager = SecurityGroup(self.driver)
+ for instance in instances:
+ # deleate this instance's security groups
+ for security_group in instance.security_groups:
+ # dont delete the default security group
+ if security_group.name != 'default':
+ security_group_manager.delete_security_group(security_group.name)
+ # destroy instance
+ self.driver.shell.db.instance_destroy(instance.id)
+ return 1
+
+ def stop_instances(self, project_name):
+ instances = self.driver.shell.db.instance_get_all_by_project(project_name)
+ for instance in instances:
+ self.driver.shell.db.instance_stop(instance.id)
+ return 1
+
+ def update_instances(self, project_name):
+ pass
git://git.onelab.eu / sfa.git / blobdiff