+
+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, SliverDoesNotExist
+from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch
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.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 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, xrn=None):
+ sliver_urn = None
+ if slice_xrn:
+ sliver_xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
+
+ sliver = Sliver({'slice_id': sliver_urn,
+ '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 instance_to_sliver(self, instance, slice_xrn=None):
- sliver_id = None
- name = None
- if slice_xrn:
- name = OSXrn(slice_xrn, 'slice').name
- sliver_id = xrn.sliver_id(instance.instance_id, "")
-
- # should include:
- # * instance.image_ref
- # * instance.kernel_id
- # * instance.ramdisk_id
- name=None
- if hasattr(instance, 'name'):
- name = instance.name
- elif hasattr(instance, 'display_name'):
- name = instance.display_name
- sliver = Sliver({'slice_id': sliver_id,
- 'name': name,
- 'type': 'plos-' + instance['name'],
- 'tags': []})
- return sliver
-
- def get_rspec(self, slice_xrn=None, vsersion=None, options={}):
+ def get_availability_zones(self):
+ 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 list_resources(self, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
- if not slice_xrn:
- rspec_version = version_manager._get_version(version.type, version.version, 'ad')
- nodes = self.get_aggregate_nodes()
- else:
- rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
- nodes = self.get_slice_nodes(slice_xrn)
-
+ rspec_version = version_manager._get_version(version.type, version.version, 'ad')
+ rspec = RSpec(version=version, user_options=options)
+ nodes = self.get_aggregate_nodes()
rspec.version.add_nodes(nodes)
return rspec.toxml()
- def get_slice_nodes(self, slice_xrn):
- name = OSXrn(xrn = slice_xrn).name
- instances = self.driver.shell.instance_get_all_by_project(name)
+ def describe(self, urns, version=None, options={}):
+ # update nova connection
+ tenant_name = OSXrn(xrn=urns[0], type='slice').get_tenant_name()
+ self.driver.shell.nova_manager.connect(tenant=tenant_name)
+ instances = self.get_instances(urns)
+ if len(instances) == 0:
+ raise SliverDoesNotExist("You have not allocated any slivers here")
+
+ geni_slivers = []
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 = self.instance_to_sliver(instance)
- rspec_node['slivers'] = [sliver]
- rspec_nodes.append(rspec_node)
- return rspec_nodes
+ rspec_nodes.append(self.instance_to_rspec_node(instance))
+ geni_slivers.append(self.instance_to_geni_sliver(instance))
+ version_manager = VersionManager()
+ version = version_manager.get_version(version)
+ rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
+ rspec = RSpec(version=version, user_options=options)
+ rspec.version.add_nodes(rspec_nodes)
+ result = {'geni_urn': Xrn(urns[0]).get_urn(),
+ 'geni_rspec': rspec.toxml(),
+ 'geni_slivers': geni_slivers}
+
+ return result
- def get_aggregate_nodes(self):
-
- zones = self.driver.shell.zone_get_all()
- if not zones:
- zones = ['cloud']
+ def get_instances(self, urns):
+ # parse slice names and sliver ids
+ names = set()
+ ids = set()
+ for urn in urns:
+ xrn = OSXrn(xrn=urn)
+ names.add(xrn.get_slice_name())
+ if xrn.id:
+ ids.add(xrn.id)
+
+ # look up instances
+ instances = []
+ for name in name:
+ servers = self.driver.shell.nova_manager.servers.findall(name=name)
+ instances.extend(servers)
+
+ # filter on id
+ if ids:
+ instances = [server in servers if server.id in ids]
+
+ return instances
+
+ def instance_to_rspec_node(self, instance):
+ # determine node urn
+ node_xrn = instance.metadata.get('component_id')
+ if not node_xrn:
+ node_xrn = OSXrn('cloud', type='node')
else:
- zones = [zone.name for zone in zones]
+ node_xrn = OSXrn(xrn=node_xrn, type='node')
+
+ rspec_node = 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'])
+ rspec_node['slivers'] = [self.instance_to_sliver(flavor)]
+ 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
+ rspec_node['services'] = []
+ rspec_node['interfaces'] = []
+ addresses = instance.addresses
+ # HACK: public ips are stored in the list of private, but
+ # this seems wrong. Assume pub ip is the last in the list of
+ # private ips until openstack bug is fixed.
+ if addresses.get('private'):
+ login = Login({'authentication': 'ssh-keys',
+ 'hostname': addresses.get('private')[-1]['addr'],
+ 'port':'22', 'username': 'root'})
+ service = Services({'login': login})
+ rspec_node['services'].append(service)
+
+ 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']}]
+ rspec_node['interfaces'].append(interface)
+
+ # slivers always provide the ssh service
+ 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)
+ return rspec_node
+
+
+ def instance_to_sliver(self, instance, xrn=None):
+ if xrn:
+ xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
+
+ sliver = Sliver({'sliver_id': xrn.get_urn(),
+ 'name': instance.name,
+ 'type': instance.name,
+ 'cpus': str(instance.vcpus),
+ 'memory': str(instance.ram),
+ 'storage': str(instance.disk)})
+ return sliver
+
+ def instance_to_geni_sliver(self, instance):
+ op_status = "geni_unknown"
+ state = instance.state.lower()
+ if state == 'active':
+ op_status = 'geni_ready'
+ elif state == 'building':
+ op_status = 'geni_configuring'
+ elif state == 'failed':
+ op_status =' geni_failed'
+
+ urn = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
+ # required fields
+ geni_sliver = {'geni_sliver_urn': urn,
+ 'geni_expires': None,
+ 'geni_allocation_status': 'geni_provisioned',
+ 'geni_operational_status': op_status,
+ 'geni_error': None,
+ 'plos_created_at': datetime_to_string(utcparse(instance.created)),
+ 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
+ }
+
+
+ return geni_sliver
+
+ def get_aggregate_nodes(self):
+ zones = self.get_availability_zones()
+ # available sliver/instance/vm types
+ instances = self.driver.shell.nova_manager.flavors.list()
+ if isinstance(instances, dict):
+ instances = instances.values()
+ # available 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()
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 = self.instance_to_sliver(instance)
+ sliver['disk_image'] = disk_images
+ slivers.append(sliver)
+
rspec_node['slivers'] = slivers
rspec_nodes.append(rspec_node)
- return rspec_node
+ return rspec_nodes
+
+ def create_tenant(self, tenant_name):
+ tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
+ if not tenants:
+ self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
+ tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
+ else:
+ tenant = tenants[0]
+ return tenant
+
+ def create_instance_key(self, slice_hrn, user):
+ slice_name = Xrn(slice_hrn).leaf
+ user_name = Xrn(user['urn']).leaf
+ key_name = "%s_%s" % (slice_name, user_name)
+ 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
+
+ if not key_found:
+ self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
+ return key_name
+
+
+ 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 run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
+ #logger.debug('Reserving an instance: image: %s, flavor: ' \
+ # '%s, key: %s, name: %s' % \
+ # (image_id, flavor_id, key_name, slicename))
+
+ # make sure a tenant exists for this slice
+ tenant = self.create_tenant(tenant_name)
+
+ # add the sfa admin user to this tenant and update our nova client connection
+ # to use these credentials for the rest of this session. This emsures that the instances
+ # we create will be assigned to the correct tenant.
+ sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
+ user_role = self.driver.shell.auth_manager.roles.find(name='user')
+ admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
+ self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
+ self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
+ self.driver.shell.nova_manager.connect(tenant=tenant.name)
+
+ 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():
+ instances = node.get('slivers', [])
+ if not instances:
+ continue
+ for instance in instances:
+ try:
+ 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(instance_name, fw_rules)
+ metadata['security_groups'] = group_name
+ if node.get('component_id'):
+ metadata['component_id'] = node['component_id']
+ self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
+ image=image_id,
+ key_name = key_name,
+ security_groups = [group_name],
+ files=files,
+ meta=metadata,
+ name=instance_name)
+ except Exception, err:
+ logger.log_exc(err)
+
+
+
+ def delete_instances(self, instance_name, tenant_name):
+ self.driver.shell.nova_manager.connect(tenant=tenant_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
+ security_group = instance.metadata.get('security_groups', '')
+ if security_group:
+ # 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, tenant_name):
+ self.driver.shell.nova_manager.connect(tenant=tenant_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