| from plstackapi.planetstack import settings |
| from django.core import management |
| management.setup_environ(settings) |
| try: |
| from plstackapi.openstack.client import OpenStackClient |
| from plstackapi.openstack.driver import OpenStackDriver |
| from plstackapi.planetstack.config import Config |
| from plstackapi.core.models import * |
| has_openstack = True |
| except: |
| has_openstack = False |
| |
| def require_enabled(callable): |
| enabled = Config().api_nova_enabled |
| def wrapper(*args, **kwds): |
| if enabled and has_openstack: |
| return callable(*args, **kwds) |
| else: |
| return None |
| return wrapper |
| |
| |
| class OpenStackManager: |
| |
| def __init__(self, auth={}, caller=None): |
| self.client = None |
| if auth: |
| self.client = OpenStackClient(**auth) |
| |
| self.driver = OpenStackDriver(client=self.client) |
| self.caller=caller |
| |
| @require_enabled |
| def save_role(self, role): |
| if not role.role_id: |
| keystone_role = self.driver.create_role(role.role_type) |
| role.role_id = keystone_role.id |
| |
| @require_enabled |
| def delete_role(self, role): |
| if role.role_id: |
| self.driver.delete_role({'id': role.role_id}) |
| |
| @require_enabled |
| def save_key(self, key): |
| if not key.key_id: |
| key_fields = {'name': key.name, |
| 'key': key.key} |
| nova_key = self.driver.create_keypair(**key_fields) |
| key.key_id = nova_key.id |
| |
| @require_enabled |
| def delete_key(self, key): |
| if key.key_id: |
| self.driver.delete_keypair(key.key_id) |
| |
| @require_enabled |
| def save_user(self, user): |
| if not user.user_id: |
| name = user.email[:user.email.find('@')] |
| user_fields = {'name': name, |
| 'email': user.email, |
| 'password': user.password, |
| 'enabled': True} |
| keystone_user = self.driver.create_user(**user_fields) |
| user.user_id = keystone_user.id |
| |
| @require_enabled |
| def delete_user(self, user): |
| if user.user_id: |
| self.driver.delete_user(user.user_id) |
| |
| |
| |
| @require_enabled |
| def save_site(self, site): |
| if not site.tenant_id: |
| tenant = self.driver.create_tenant(tenant_name=site.login_base, |
| description=site.name, |
| enabled=site.enabled) |
| site.tenant_id = tenant.id |
| # give caller an admin role at the tenant they've created |
| self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin') |
| |
| # update the record |
| if site.id and site.tenant_id: |
| self.driver.update_tenant(site.tenant_id, |
| description=site.name, |
| enabled=site.enabled) |
| |
| @require_enabled |
| def delete_site(self, site): |
| if site.tenant_id: |
| self.driver.delete_tenant(site.tenant_id) |
| |
| def refresh_nodes(self): |
| # collect local nodes |
| nodes = Node.objects.all() |
| nodes_dict = {} |
| for node in nodes: |
| if 'viccidev10' not in node.name: |
| nodes_dict[node.name] = node |
| |
| deployment = DeploymentNetwork.objects.filter(name='VICCI')[0] |
| login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws'] |
| sites = Site.objects.filter(login_base__in=login_bases) |
| # collect nova nodes: |
| compute_nodes = self.client.nova.hypervisors.list() |
| |
| compute_nodes_dict = {} |
| for compute_node in compute_nodes: |
| compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node |
| |
| # add new nodes: |
| new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys()) |
| i = 0 |
| max = len(sites) |
| for name in new_node_names: |
| if i == max: |
| i = 0 |
| site = sites[i] |
| node = Node(name=compute_nodes_dict[name].hypervisor_hostname, |
| site=site, |
| deploymentNetwork=deployment) |
| node.save() |
| i+=1 |
| |
| # remove old nodes |
| old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys()) |
| Node.objects.filter(name__in=old_node_names).delete() |
| |
| def refresh_images(self): |
| # collect local images |
| images = Image.objects.all() |
| images_dict = {} |
| for image in images: |
| images_dict[image.name] = image |
| |
| # collect glance images |
| glance_images = self.client.glance.get_images() |
| glance_images_dict = {} |
| for glance_image in glance_images: |
| glance_images_dict[glance_image['name']] = glance_image |
| |
| # add new images |
| new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys()) |
| for name in new_image_names: |
| image = Image(image_id=glance_images_dict[name]['id'], |
| name=glance_images_dict[name]['name'], |
| disk_format=glance_images_dict[name]['disk_format'], |
| container_format=glance_images_dict[name]['container_format']) |
| image.save() |
| |
| # remove old images |
| old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys()) |
| Image.objects.filter(name__in=old_image_names).delete() |
| |
| |