def list_instancetypes_cache(self):
region = get_region()
instance_types = region.get('instancetypes')
if instance_types is not NO_VALUE:
return instance_types
dic = {}
instance_types = self.list_instancetypes()
for instance_type in instance_types:
dic[instance_type.id] = instance_type.obj_to_dict()
region.set('instancetypes', dic)
return dic
def list_images_cache(self):
from dogpile.cache.api import NO_VALUE
from ext_cloud.utils.dogpile_utils import get_region
region = get_region()
images = region.get('images')
if images is not NO_VALUE:
return images
dic = {}
images = self.list_images()
for image in images:
dic[image.id] = image.obj_to_dict()
region.set('images', dic)
return dic
def get_instance_by_id_cache(self, instance_id):
region = get_region()
# check if instance id is in cache
instances = region.get('instances')
if instances is NO_VALUE:
# cache not created for instances, create a cache of all instances
dic = {}
instances = self.list_instances()
for instance in instances:
dic[instance.id] = instance.obj_to_dict()
region.set('instances', dic)
instances = dic
if instance_id in instances:
return instances[instance_id]
# instance id not found. call get_instance_by_id which will throw error or return instance which is not in cache
instance = self.get_instance_by_id(instance_id)
return instance.obj_to_dic()
