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.flavors import _get_flavors
   7 from plstackapi.core.api.images import _get_images
   8 from plstackapi.core.api.keys import _get_keys
   9 from plstackapi.core.api.slices import _get_slices
  10 from plstackapi.core.api.deployment_networks import _get_deployment_networks
  11 from plstackapi.core.api.nodes import _get_nodes
  12
  13
  14 def _get_slivers(filter):
  15     if isinstance(filter, StringTypes) and filter.isdigit():
  16         filter = int(filter)
  17     if isinstance(filter, int):
  18         slivers = Sliver.objects.filter(id=filter)
  19     elif isinstance(filter, StringTypes):
  20         slivers = Sliver.objects.filter(name=filter)
  21     elif isinstance(filter, dict):
  22         slivers = Sliver.objects.filter(**filter)
  23     else:
  24         slivers = []
  25     return slivers
  26
  27 def add_sliver(auth, fields):
  28     driver = OpenStackDriver(client = auth_check(auth))
  29
  30     flavors = _get_flavors(fields.get('flavor'))
  31     if flavors: fields['flavor'] = flavors[0]
  32     images = _get_images(fields.get('image'))
  33     if images: fields['image'] = images[0]
  34     keys = _get_keys(fields.get('key'))
  35     if keys: fields['key'] = keys[0]
  36     slices = _get_slices(fields.get('slice'))
  37     if slices:
  38         fields['slice'] = slices[0]
  39     deployment_networks = _get_deployment_networks(fields.get('deploymentNetwork'))
  40     if deployment_networks: fields['deploymentNetwork'] = deployment_networks[0]
  41     nodes = _get_nodes(fields.get('node'))
  42     if nodes: fields['node'] = nodes[0]
  43     sliver = Sliver(**fields)
  44     # create quantum sliver
  45     instance = driver.spawn_instance(name=sliver.name,
  46                                    key_name = sliver.key.name,
  47                                    flavor_id = sliver.flavor.flavor_id,
  48                                    image_id = sliver.image.image_id,
  49                                    hostname = sliver.node.name )
  50
  51     sliver.instance_id=instance.id
  52
  53     sliver.save()
  54     return sliver
  55
  56 def update_sliver(auth, sliver, **fields):
  57     return
  58
  59 def delete_sliver(auth, filter={}):
  60     driver = OpenStackDriver(client = auth_check(auth))
  61     slivers = _get_slivers(filter)
  62     for sliver in slivers:
  63         driver.destroy_instance(sliver.sliver_id)
  64         sliver.delete()
  65     return 1
  66
  67 def get_slivers(auth, filter={}):
  68     client = auth_check(auth)
  69     if 'slice' in filter:
  70         slices = _get_slices(filter.get('slice'))
  71         if slices: filter['slice'] = slices[0]
  72     slivers = _get_slivers(filter)
  73     return slivers
  74
  75
  76