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         self.client = None
  28         self.driver = None
  29         self.caller = None
  30         self.has_openstack = has_openstack
  31         self.enabled = manager_enabled
  32
  33         if has_openstack and manager_enabled:
  34             if auth:
  35                 self.client = OpenStackClient(**auth)
  36             else:
  37                 self.client = OpenStackClient()
  38             self.driver = OpenStackDriver(client=self.client)
  39
  40             if caller:
  41                 self.caller = caller
  42             else:
  43                 self.caller = self.driver.admin_user
  44                 self.caller.user_id = self.caller.id
  45
  46     @require_enabled
  47     def save_role(self, role):
  48         if not role.role_id:
  49             keystone_role = self.driver.create_role(role.role_type)
  50             role.role_id = keystone_role.id
  51
  52     @require_enabled
  53     def delete_role(self, role):
  54         if role.role_id:
  55             self.driver.delete_role({'id': role.role_id})
  56
  57     @require_enabled
  58     def save_key(self, key):
  59         if not key.key_id:
  60             key_fields = {'name': key.name,
  61                           'key': key.key}
  62             nova_key = self.driver.create_keypair(**key_fields)
  63             key.key_id = nova_key.id
  64
  65     @require_enabled
  66     def delete_key(self, key):
  67         if key.key_id:
  68             self.driver.delete_keypair(key.key_id)
  69
  70     @require_enabled
  71     def save_user(self, user):
  72         if not user.user_id:
  73             name = user.email[:user.email.find('@')]
  74             user_fields = {'name': name,
  75                            'email': user.email,
  76                            'password': user.password,
  77                            'enabled': True}
  78             keystone_user = self.driver.create_user(**user_fields)
  79             user.user_id = keystone_user.id
  80
  81     @require_enabled
  82     def delete_user(self, user):
  83         if user.user_id:
  84             self.driver.delete_user(user.user_id)
  85
  86
  87
  88     @require_enabled
  89     def save_site(self, site, add_role=True):
  90         if not site.tenant_id:
  91             tenant = self.driver.create_tenant(tenant_name=site.login_base,
  92                                                description=site.name,
  93                                                enabled=site.enabled)
  94             site.tenant_id = tenant.id
  95             # give caller an admin role at the tenant they've created
  96             self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
  97
  98         # update the record
  99         if site.id and site.tenant_id:
 100             self.driver.update_tenant(site.tenant_id,
 101                                       description=site.name,
 102                                       enabled=site.enabled)
 103
 104     @require_enabled
 105     def delete_site(self, site):
 106         if site.tenant_id:
 107             self.driver.delete_tenant(site.tenant_id)
 108
 109     @require_enabled
 110     def save_slice(self, slice):
 111         if not slice.tenant_id:
 112             nova_fields = {'tenant_name': slice.name,
 113                    'description': slice.description,
 114                    'enabled': slice.enabled}
 115             tenant = self.driver.create_tenant(**nova_fields)
 116             slice.tenant_id = tenant.id
 117
 118             # give caller an admin role at the tenant they've created
 119             self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
 120
 121             # refresh credentials using this tenant
 122             self.driver.shell.connect(username=self.driver.shell.keystone.username,
 123                                       password=self.driver.shell.keystone.password,
 124                                       tenant=tenant.name)
 125
 126             # create network
 127             network = self.driver.create_network(slice.name)
 128             slice.network_id = network['id']
 129
 130             # create router
 131             router = self.driver.create_router(slice.name)
 132             slice.router_id = router['id']
 133
 134         if slice.id and slice.tenant_id:
 135             self.driver.update_tenant(slice.tenant_id,
 136                                       description=slice.description,
 137                                       enabled=slice.enabled)
 138
 139     @require_enabled
 140     def delete_slice(self, slice):
 141         if slice.tenant_id:
 142             self.driver.delete_router(slice.router_id)
 143             self.driver.delete_network(slice.network_id)
 144             self.driver.delete_tenant(slice.tenant_id)
 145
 146     @require_enabled
 147     def save_subnet(self, subnet):
 148         if not subnet.subnet_id:
 149             quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
 150                                           network_id=subnet.slice.network_id,
 151                                           cidr_ip = subnet.cidr,
 152                                           ip_version=subnet.ip_version,
 153                                           start = subnet.start,
 154                                           end = subnet.end)
 155             subnet.subnet_id = quantum_subnet['id']
 156             # add subnet as interface to slice's router
 157             self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
 158             #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
 159             #commands.getstatusoutput(add_route)
 160
 161
 162     @require_enabled
 163     def delete_subnet(self, subnet):
 164         if subnet.subnet_id:
 165             self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
 166             self.driver.delete_subnet(subnet.subnet_id)
 167             #del_route = 'route del -net %s' % self.cidr
 168             #commands.getstatusoutput(del_route)
 169
 170     @require_enabled
 171     def save_sliver(self, sliver):
 172         if not sliver.instance_id:
 173             instance = self.driver.spawn_instance(name=sliver.name,
 174                                    key_name = sliver.key.name,
 175                                    image_id = sliver.image.image_id,
 176                                    hostname = sliver.node.name )
 177             sliver.instance_id = instance.id
 178             sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
 179
 180     @require_enabled
 181     def delete_sliver(self, sliver):
 182         if sliver.instance_id:
 183             self.driver.destroy_instance(sliver.instance_id)
 184
 185
 186     def refresh_nodes(self):
 187         # collect local nodes
 188         nodes = Node.objects.all()
 189         nodes_dict = {}
 190         for node in nodes:
 191             if 'viccidev10' not in node.name:
 192                 nodes_dict[node.name] = node
 193
 194         deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
 195         login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
 196         sites = Site.objects.filter(login_base__in=login_bases)
 197         # collect nova nodes:
 198         compute_nodes = self.client.nova.hypervisors.list()
 199
 200         compute_nodes_dict = {}
 201         for compute_node in compute_nodes:
 202             compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
 203
 204         # add new nodes:
 205         new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
 206         i = 0
 207         max = len(sites)
 208         for name in new_node_names:
 209             if i == max:
 210                 i = 0
 211             site = sites[i]
 212             node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
 213                         site=site,
 214                         deploymentNetwork=deployment)
 215             node.save()
 216             i+=1
 217
 218         # remove old nodes
 219         old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
 220         Node.objects.filter(name__in=old_node_names).delete()
 221
 222     def refresh_images(self):
 223         # collect local images
 224         images = Image.objects.all()
 225         images_dict = {}
 226         for image in images:
 227             images_dict[image.name] = image
 228
 229         # collect glance images
 230         glance_images = self.client.glance.get_images()
 231         glance_images_dict = {}
 232         for glance_image in glance_images:
 233             glance_images_dict[glance_image['name']] = glance_image
 234
 235         # add new images
 236         new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
 237         for name in new_image_names:
 238             image = Image(image_id=glance_images_dict[name]['id'],
 239                           name=glance_images_dict[name]['name'],
 240                           disk_format=glance_images_dict[name]['disk_format'],
 241                           container_format=glance_images_dict[name]['container_format'])
 242             image.save()
 243
 244         # remove old images
 245         old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
 246         Image.objects.filter(name__in=old_image_names).delete()
 247
 248