plstackapi/openstack/manager.py

   1 from plstackapi.planetstack import settings
   2 from django.core import management
   3 management.setup_environ(settings)
   4 try:
   5     from plstackapi.openstack.client import OpenStackClient
   6     from plstackapi.openstack.driver import OpenStackDriver
   7     from plstackapi.planetstack.config import Config
   8     from plstackapi.core.models import *
   9     has_openstack = True
  10 except:
  11     has_openpstack = False
  12
  13 manager_enabled = Config().api_nova_enabled
  14
  15 def require_enabled(callable):
  16     def wrapper(*args, **kwds):
  17         if manager_enabled and has_openstack:
  18             return callable(*args, **kwds)
  19         else:
  20             return None
  21     return wrapper
  22
  23
  24 class OpenStackManager:
  25
  26     def __init__(self, auth={}, caller=None):
  27         if auth:
  28             self.client = OpenStackClient(**auth)
  29         else:
  30             self.client = OpenStackClient()
  31         self.has_openstack = has_openstack
  32         self.enabled = manager_enabled
  33         self.driver = OpenStackDriver(client=self.client)
  34         self.caller=caller
  35
  36     @require_enabled
  37     def save_role(self, role):
  38         if not role.role_id:
  39             keystone_role = self.driver.create_role(role.role_type)
  40             role.role_id = keystone_role.id
  41
  42     @require_enabled
  43     def delete_role(self, role):
  44         if role.role_id:
  45             self.driver.delete_role({'id': role.role_id})
  46
  47     @require_enabled
  48     def save_key(self, key):
  49         if not key.key_id:
  50             key_fields = {'name': key.name,
  51                           'key': key.key}
  52             nova_key = self.driver.create_keypair(**key_fields)
  53             key.key_id = nova_key.id
  54
  55     @require_enabled
  56     def delete_key(self, key):
  57         if key.key_id:
  58             self.driver.delete_keypair(key.key_id)
  59
  60     @require_enabled
  61     def save_user(self, user):
  62         if not user.user_id:
  63             name = user.email[:user.email.find('@')]
  64             user_fields = {'name': name,
  65                            'email': user.email,
  66                            'password': user.password,
  67                            'enabled': True}
  68             keystone_user = self.driver.create_user(**user_fields)
  69             user.user_id = keystone_user.id
  70
  71     @require_enabled
  72     def delete_user(self, user):
  73         if user.user_id:
  74             self.driver.delete_user(user.user_id)
  75
  76
  77
  78     @require_enabled
  79     def save_site(self, site):
  80         if not site.tenant_id:
  81             tenant = self.driver.create_tenant(tenant_name=site.login_base,
  82                                                description=site.name,
  83                                                enabled=site.enabled)
  84             site.tenant_id = tenant.id
  85             # give caller an admin role at the tenant they've created
  86             self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
  87
  88         # update the record
  89         if site.id and site.tenant_id:
  90             self.driver.update_tenant(site.tenant_id,
  91                                       description=site.name,
  92                                       enabled=site.enabled)
  93
  94     @require_enabled
  95     def delete_site(self, site):
  96         if site.tenant_id:
  97             self.driver.delete_tenant(site.tenant_id)
  98
  99     @require_enabled
 100     def save_slice(self, slice):
 101         if not slice.tenant_id:
 102             nova_fields = {'tenant_name': slice.name,
 103                    'description': slice.description,
 104                    'enabled': slice.enabled}
 105             tenant = self.driver.create_tenant(**nova_fields)
 106             slice.tenant_id = tenant.id
 107
 108             # give caller an admin role at the tenant they've created
 109             self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
 110
 111             # refresh credentials using this tenant
 112             self.driver.shell.connect(username=self.driver.shell.keystone.username,
 113                                       password=self.driver.shell.keystone.password,
 114                                       tenant=tenant.name)
 115
 116             # create network
 117             network = self.driver.create_network(slice.name)
 118             slice.network_id = network['id']
 119
 120             # create router
 121             router = self.driver.create_router(slice.name)
 122             slice.router_id = router['id']
 123
 124         if slice.id and slice.tenant_id:
 125             self.driver.update_tenant(slice.tenant_id,
 126                                       description=slice.description,
 127                                       enabled=slice.enabled)
 128
 129     @require_enabled
 130     def delete_slice(self, slice):
 131         if slice.tenant_id:
 132             self.driver.delete_router(slice.router_id)
 133             self.driver.delete_network(slice.network_id)
 134             self.driver.delete_tenant(slice.tenant_id)
 135
 136     @require_enabled
 137     def save_subnet(self, subnet):
 138         if not subnet.subnet_id:
 139             quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
 140                                           network_id=subnet.slice.network_id,
 141                                           cidr_ip = subnet.cidr,
 142                                           ip_version=subnet.ip_version,
 143                                           start = subnet.start,
 144                                           end = subnet.end)
 145             subnet.subnet_id = quantum_subnet['id']
 146             # add subnet as interface to slice's router
 147             self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
 148             #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
 149             #commands.getstatusoutput(add_route)
 150
 151
 152     @require_enabled
 153     def delete_subnet(self, subnet):
 154         if subnet.subnet_id:
 155             self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
 156             self.driver.delete_subnet(subnet.subnet_id)
 157             #del_route = 'route del -net %s' % self.cidr
 158             #commands.getstatusoutput(del_route)
 159
 160     @require_enabled
 161     def save_sliver(self, sliver):
 162         if not sliver.instance_id:
 163             instance = self.driver.spawn_instance(name=sliver.name,
 164                                    key_name = sliver.key.name,
 165                                    image_id = sliver.image.image_id,
 166                                    hostname = sliver.node.name )
 167             sliver.instance_id = instance.id
 168             sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
 169
 170     @require_enabled
 171     def delete_sliver(self, sliver):
 172         if sliver.instance_id:
 173             self.driver.destroy_instance(sliver.instance_id)
 174
 175
 176     def refresh_nodes(self):
 177         # collect local nodes
 178         nodes = Node.objects.all()
 179         nodes_dict = {}
 180         for node in nodes:
 181             if 'viccidev10' not in node.name:
 182                 nodes_dict[node.name] = node
 183
 184         deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
 185         login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
 186         sites = Site.objects.filter(login_base__in=login_bases)
 187         # collect nova nodes:
 188         compute_nodes = self.client.nova.hypervisors.list()
 189
 190         compute_nodes_dict = {}
 191         for compute_node in compute_nodes:
 192             compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
 193
 194         # add new nodes:
 195         new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
 196         i = 0
 197         max = len(sites)
 198         for name in new_node_names:
 199             if i == max:
 200                 i = 0
 201             site = sites[i]
 202             node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
 203                         site=site,
 204                         deploymentNetwork=deployment)
 205             node.save()
 206             i+=1
 207
 208         # remove old nodes
 209         old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
 210         Node.objects.filter(name__in=old_node_names).delete()
 211
 212     def refresh_images(self):
 213         # collect local images
 214         images = Image.objects.all()
 215         images_dict = {}
 216         for image in images:
 217             images_dict[image.name] = image
 218
 219         # collect glance images
 220         glance_images = self.client.glance.get_images()
 221         glance_images_dict = {}
 222         for glance_image in glance_images:
 223             glance_images_dict[glance_image['name']] = glance_image
 224
 225         # add new images
 226         new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
 227         for name in new_image_names:
 228             image = Image(image_id=glance_images_dict[name]['id'],
 229                           name=glance_images_dict[name]['name'],
 230                           disk_format=glance_images_dict[name]['disk_format'],
 231                           container_format=glance_images_dict[name]['container_format'])
 232             image.save()
 233
 234         # remove old images
 235         old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
 236         Image.objects.filter(name__in=old_image_names).delete()
 237
 238