Revision 592e8117 snf-occi-server.py
| b/snf-occi-server.py | ||
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class ComputeBackend(MyBackend): |
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''' |
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A Backend for compute instances.
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Backend for Cyclades/Openstack compute instances
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''' |
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def create(self, entity, extras): |
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entity.attributes['occi.compute.state'] = 'active' |
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entity.actions = [STOP, SUSPEND, RESTART] |
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for mixin in entity.mixins: |
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print mixin.term |
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print mixin.attributes |
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if mixin.related.term == 'os_tpl': |
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if mixin.related[0].term == 'os_tpl': |
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image = mixin |
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image_id = mixin.attributes['occi.core.id'] |
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if mixin.related.term == 'resource_tpl': |
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if mixin.related[0].term == 'resource_tpl': |
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flavor = mixin |
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flavor_id = mixin.attributes['occi.core.id'] |
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entity.attributes['occi.compute.state'] = 'active' |
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entity.actions = [STOP, SUSPEND, RESTART] |
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#Registry identifier is the uuid key occi.handler assigns |
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#attribute 'occi.core.id' will be the snf-server id |
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snf = ComputeClient(Config()) |
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vm_name = entity.attributes['occi.compute.hostname'] |
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snf.create_server(vm_name, flavor_id, image_id) |
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print('Creating the virtual machine with id: ' + entity.identifier)
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info = snf.create_server(vm_name, flavor_id, image_id)
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entity.attributes['occi.core.id'] = str(info['id']) |
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entity.attributes['occi.compute.cores'] = flavor.attributes['occi.compute.cores']
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entity.attributes['occi.compute.memory'] = flavor.attributes['occi.compute.memory'] |
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def retrieve(self, entity, extras): |
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# triggering cyclades to retrieve up to date information |
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snf = ComputeClient(Config()) |
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vm_id = int(entity.attributes['occi.core.id']) |
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vm_info = snf.get_server_details(vm_id) |
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vm_state = vm_info['status'] |
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status_dict = {'ACTIVE' : 'active',
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'STOPPED' : 'inactive', |
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'ERROR' : 'inactive', |
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'BUILD' : 'inactive', |
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'DELETED' : 'inactive', |
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} |
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entity.attributes['occi.compute.state'] = status_dict[vm_state] |
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if entity.attributes['occi.compute.state'] == 'inactive': |
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entity.actions = [START] |
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if entity.attributes['occi.compute.state'] == 'active': |
| ... | ... | |
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if entity.attributes['occi.compute.state'] == 'suspended': |
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entity.actions = [START] |
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def delete(self, entity, extras): |
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# call the management framework to delete this compute instance... |
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print('Removing representation of virtual machine with id: '
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+ entity.identifier) |
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# delete vm with vm_id = entity.attributes['occi.core.id'] |
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snf = ComputeClient(Config()) |
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vm_id = int(entity.attributes['occi.core.id']) |
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snf.delete_server(vm_id) |
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def action(self, entity, action, extras): |
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if action not in entity.actions: |
| ... | ... | |
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def __call__(self, environ, response): |
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sec_obj = {'username': 'password'}
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#Refresh registry entries with current Cyclades state |
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snf = ComputeClient(Config()) |
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''' |
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images = snf.list_images() |
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for image in images: |
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IMAGE_ATTRIBUTES = {'occi.core.id': str(image['id'])}
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IMAGE = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(image['name']), OS_TEMPLATE, attributes = IMAGE_ATTRIBUTES)
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IMAGE = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(image['name']), [OS_TEMPLATE], attributes = IMAGE_ATTRIBUTES)
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self.register_backend(IMAGE, MixinBackend()) |
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flavors = snf.list_flavors() |
| ... | ... | |
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'occi.compute.memory': snf.get_flavor_details(flavor['id'])['ram'], |
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'occi.storage.size': snf.get_flavor_details(flavor['id'])['disk'], |
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} |
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FLAVOR = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(flavor['name']), RESOURCE_TEMPLATE, attributes = FLAVOR_ATTRIBUTES)
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FLAVOR = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(flavor['name']), [RESOURCE_TEMPLATE], attributes = FLAVOR_ATTRIBUTES)
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self.register_backend(FLAVOR, MixinBackend()) |
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''' |
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#TODO show only current VM instances |
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return self._call_occi(environ, response, security=sec_obj, foo=None) |
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| ... | ... | |
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APP.register_backend(RESOURCE_TEMPLATE, MixinBackend()) |
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APP.register_backend(OS_TEMPLATE, MixinBackend()) |
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snf = ComputeClient(Config()) |
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images = snf.list_images() |
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for image in images: |
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IMAGE_ATTRIBUTES = {'occi.core.id': str(image['id'])}
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IMAGE = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(image['name']), [OS_TEMPLATE], attributes = IMAGE_ATTRIBUTES)
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APP.register_backend(IMAGE, MixinBackend()) |
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flavors = snf.list_flavors() |
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for flavor in flavors: |
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FLAVOR_ATTRIBUTES = {'occi.core.id': flavor['id'],
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'occi.compute.cores': snf.get_flavor_details(flavor['id'])['cpu'], |
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'occi.compute.memory': snf.get_flavor_details(flavor['id'])['ram'], |
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'occi.storage.size': snf.get_flavor_details(flavor['id'])['disk'], |
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} |
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FLAVOR = Mixin("http://schemas.ogf.org/occi/infrastructure#", str(flavor['name']), [RESOURCE_TEMPLATE], attributes = FLAVOR_ATTRIBUTES)
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APP.register_backend(FLAVOR, MixinBackend()) |
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VALIDATOR_APP = validator(APP) |
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HTTPD = make_server('', 8888, VALIDATOR_APP)
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