Commit 592e8117 authored by John Giannelos's avatar John Giannelos
Browse files

Implemented CREATE and DELETE compute instances

parent 1501c36d
......@@ -38,31 +38,51 @@ class MyBackend(KindBackend, ActionBackend):
class ComputeBackend(MyBackend):
'''
A Backend for compute instances.
Backend for Cyclades/Openstack compute instances
'''
def create(self, entity, extras):
entity.attributes['occi.compute.state'] = 'active'
entity.actions = [STOP, SUSPEND, RESTART]
for mixin in entity.mixins:
print mixin.term
print mixin.attributes
if mixin.related.term == 'os_tpl':
if mixin.related[0].term == 'os_tpl':
image = mixin
image_id = mixin.attributes['occi.core.id']
if mixin.related.term == 'resource_tpl':
if mixin.related[0].term == 'resource_tpl':
flavor = mixin
flavor_id = mixin.attributes['occi.core.id']
entity.attributes['occi.compute.state'] = 'active'
entity.actions = [STOP, SUSPEND, RESTART]
#Registry identifier is the uuid key occi.handler assigns
#attribute 'occi.core.id' will be the snf-server id
snf = ComputeClient(Config())
vm_name = entity.attributes['occi.compute.hostname']
snf.create_server(vm_name, flavor_id, image_id)
print('Creating the virtual machine with id: ' + entity.identifier)
info = snf.create_server(vm_name, flavor_id, image_id)
entity.attributes['occi.core.id'] = str(info['id'])
entity.attributes['occi.compute.cores'] = flavor.attributes['occi.compute.cores']
entity.attributes['occi.compute.memory'] = flavor.attributes['occi.compute.memory']
def retrieve(self, entity, extras):
# triggering cyclades to retrieve up to date information
snf = ComputeClient(Config())
vm_id = int(entity.attributes['occi.core.id'])
vm_info = snf.get_server_details(vm_id)
vm_state = vm_info['status']
status_dict = {'ACTIVE' : 'active',
'STOPPED' : 'inactive',
'ERROR' : 'inactive',
'BUILD' : 'inactive',
'DELETED' : 'inactive',
}
entity.attributes['occi.compute.state'] = status_dict[vm_state]
if entity.attributes['occi.compute.state'] == 'inactive':
entity.actions = [START]
if entity.attributes['occi.compute.state'] == 'active':
......@@ -70,10 +90,15 @@ class ComputeBackend(MyBackend):
if entity.attributes['occi.compute.state'] == 'suspended':
entity.actions = [START]
def delete(self, entity, extras):
# call the management framework to delete this compute instance...
print('Removing representation of virtual machine with id: '
+ entity.identifier)
# delete vm with vm_id = entity.attributes['occi.core.id']
snf = ComputeClient(Config())
vm_id = int(entity.attributes['occi.core.id'])
snf.delete_server(vm_id)
def action(self, entity, action, extras):
if action not in entity.actions:
......@@ -108,14 +133,15 @@ class MyAPP(Application):
def __call__(self, environ, response):
sec_obj = {'username': 'password'}
#Refresh registry entries with current Cyclades state
snf = ComputeClient(Config())
'''
images = snf.list_images()
for image in images:
IMAGE_ATTRIBUTES = {'occi.core.id': str(image['id'])}
IMAGE = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(image['name']), OS_TEMPLATE, attributes = IMAGE_ATTRIBUTES)
IMAGE = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(image['name']), [OS_TEMPLATE], attributes = IMAGE_ATTRIBUTES)
self.register_backend(IMAGE, MixinBackend())
flavors = snf.list_flavors()
......@@ -125,11 +151,11 @@ class MyAPP(Application):
'occi.compute.memory': snf.get_flavor_details(flavor['id'])['ram'],
'occi.storage.size': snf.get_flavor_details(flavor['id'])['disk'],
}
FLAVOR = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(flavor['name']), RESOURCE_TEMPLATE, attributes = FLAVOR_ATTRIBUTES)
FLAVOR = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(flavor['name']), [RESOURCE_TEMPLATE], attributes = FLAVOR_ATTRIBUTES)
self.register_backend(FLAVOR, MixinBackend())
'''
#TODO show only current VM instances
return self._call_occi(environ, response, security=sec_obj, foo=None)
......@@ -147,6 +173,24 @@ if __name__ == '__main__':
APP.register_backend(RESOURCE_TEMPLATE, MixinBackend())
APP.register_backend(OS_TEMPLATE, MixinBackend())
snf = ComputeClient(Config())
images = snf.list_images()
for image in images:
IMAGE_ATTRIBUTES = {'occi.core.id': str(image['id'])}
IMAGE = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(image['name']), [OS_TEMPLATE], attributes = IMAGE_ATTRIBUTES)
APP.register_backend(IMAGE, MixinBackend())
flavors = snf.list_flavors()
for flavor in flavors:
FLAVOR_ATTRIBUTES = {'occi.core.id': flavor['id'],
'occi.compute.cores': snf.get_flavor_details(flavor['id'])['cpu'],
'occi.compute.memory': snf.get_flavor_details(flavor['id'])['ram'],
'occi.storage.size': snf.get_flavor_details(flavor['id'])['disk'],
}
FLAVOR = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(flavor['name']), [RESOURCE_TEMPLATE], attributes = FLAVOR_ATTRIBUTES)
APP.register_backend(FLAVOR, MixinBackend())
VALIDATOR_APP = validator(APP)
HTTPD = make_server('', 8888, VALIDATOR_APP)
......
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