plstackapi/core/api/slivers.py

   1 from types import StringTypes
   2 from plstackapi.openstack.client import OpenStackClient
   3 from plstackapi.openstack.driver import OpenStackDriver
   4 from plstackapi.core.api.auth import auth_check
   5 from plstackapi.core.models import Sliver, Slice
   6 from plstackapi.core.api.images import _get_images
   7 from plstackapi.core.api.keys import _get_keys
   8 from plstackapi.core.api.slices import _get_slices
   9 from plstackapi.core.api.deployment_networks import _get_deployment_networks
  10 from plstackapi.core.api.nodes import _get_nodes
  11
  12
  13 def _get_slivers(filter):
  14     if isinstance(filter, StringTypes) and filter.isdigit():
  15         filter = int(filter)
  16     if isinstance(filter, int):
  17         slivers = Sliver.objects.filter(id=filter)
  18     elif isinstance(filter, StringTypes):
  19         slivers = Sliver.objects.filter(name=filter)
  20     elif isinstance(filter, dict):
  21         slivers = Sliver.objects.filter(**filter)
  22     else:
  23         slivers = []
  24     return slivers
  25
  26 def add_sliver(auth, fields):
  27     driver = OpenStackDriver(client = auth_check(auth))
  28
  29     images = _get_images(fields.get('image'))
  30     if images: fields['image'] = images[0]
  31     keys = _get_keys(fields.get('key'))
  32     if keys: fields['key'] = keys[0]
  33     slices = _get_slices(fields.get('slice'))
  34     if slices:
  35         fields['slice'] = slices[0]
  36     deployment_networks = _get_deployment_networks(fields.get('deploymentNetwork'))
  37     if deployment_networks: fields['deploymentNetwork'] = deployment_networks[0]
  38     nodes = _get_nodes(fields.get('node'))
  39     if nodes: fields['node'] = nodes[0]
  40     sliver = Sliver(**fields)
  41     # create quantum sliver
  42     instance = driver.spawn_instance(name=sliver.name,
  43                                    key_name = sliver.key.name,
  44                                    image_id = sliver.image.image_id,
  45                                    hostname = sliver.node.name )
  46
  47     sliver.instance_id=instance.id
  48
  49     sliver.save()
  50     return sliver
  51
  52 def update_sliver(auth, sliver, **fields):
  53     return
  54
  55 def delete_sliver(auth, filter={}):
  56     driver = OpenStackDriver(client = auth_check(auth))
  57     slivers = _get_slivers(filter)
  58     for sliver in slivers:
  59         driver.destroy_instance(sliver.sliver_id)
  60         sliver.delete()
  61     return 1
  62
  63 def get_slivers(auth, filter={}):
  64     client = auth_check(auth)
  65     if 'slice' in filter:
  66         slices = _get_slices(filter.get('slice'))
  67         if slices: filter['slice'] = slices[0]
  68     slivers = _get_slivers(filter)
  69     return slivers
  70
  71
  72