| import time |
| from datetime import datetime |
| from core.models import * |
| from django.db.models import F, Q |
| from openstack.manager import OpenStackManager |
| |
| |
| class OpenStackObserver: |
| |
| def __init__(self): |
| self.manager = OpenStackManager() |
| |
| def sync_sites(self): |
| """ |
| save all sites where enacted < updated or enacted == None. Remove sites that |
| no don't exist in openstack db if they have an enacted time (enacted != None). |
| """ |
| # get all sites that need to be synced (enacted < updated or enacted is None) |
| pending_sites = Site.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) |
| for site in pending_sites: |
| self.manager.save_site(site) |
| site.enacted = datetime.now() |
| site.save() |
| |
| # get all sites that where enacted != null. We can assume these sites |
| # have previously been synced and need to be checed for deletion. |
| sites = Site.objects.filter(enacted__isnull=False) |
| site_dict = {} |
| for site in sites: |
| site_dict[site.login_base] = site |
| |
| # delete keystone tenants that don't have a site record |
| tenants = self.manager.driver.shell.keystone.tenants.findall() |
| for tenant in tenants: |
| if tenant.name not in site_dict: |
| self.manager.driver.delete_tenant(tenant.id) |
| |
| def sync_slices(self): |
| """ |
| save all slices where enacted < updated or enacted == None. Remove slices that |
| no don't exist in openstack db if they have an enacted time (enacted != None). |
| """ |
| # get all slices that need to be synced (enacted < updated or enacted is None) |
| pending_slices = Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) |
| for slice in pending_slices: |
| self.manager.save_slice(slice) |
| slice.enacted = datetime.now() |
| slice.save() |
| |
| # get all slices that where enacted != null. We can assume these slices |
| # have previously been synced and need to be checed for deletion. |
| slices = Slice.objects.filter(enacted__isnull=False) |
| slice_dict = {} |
| for slice in slices: |
| slice_dict[slice.name] = slice |
| |
| # delete keystone tenants that don't have a site record |
| tenants = self.manager.driver.shell.keystone.tenants.findall() |
| for tenant in tenants: |
| if tenant.name not in slice_dict: |
| self.manager.driver.delete_tenant(tenant.id) |
| |
| def sync_users(self): |
| """ |
| save all users where enacted < updated or enacted == None. Remove users that |
| no don't exist in openstack db if they have an enacted time (enacted != None). |
| """ |
| # get all users that need to be synced (enacted < updated or enacted is None) |
| pending_users = User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) |
| for user in pending_users: |
| self.manager.save_user(user) |
| user.enacted = datetime.now() |
| user.save() |
| |
| # get all users that where enacted != null. We can assume these users |
| # have previously been synced and need to be checed for deletion. |
| users = User.objects.filter(enacted__isnull=False) |
| user_dict = {} |
| for user in users: |
| user_dict[user.kuser_id] = user |
| |
| # delete keystone users that don't have a user record |
| user = self.manager.driver.shell.keystone.users.findall() |
| for user in users: |
| if user.id not in user_dict: |
| self.manager.driver.delete_user(user.id) |
| |
| |
| |
| def sync_slivers(self): |
| """ |
| save all slivers where enacted < updated or enacted == None. Remove slivers that |
| no don't exist in openstack db if they have an enacted time (enacted != None). |
| """ |
| # get all users that need to be synced (enacted < updated or enacted is None) |
| pending_slivers = Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) |
| for sliver in pending_slivers: |
| if sliver.creator: |
| # update manager context |
| self.manager.init_caller(sliver.creator) |
| self.manager.save_sliver(sliver) |
| sliver.enacted = datetime.now() |
| sliver.save() |
| |
| # get all slivers that where enacted != null. We can assume these users |
| # have previously been synced and need to be checed for deletion. |
| slivers = Sliver.objects.filter(enacted__isnull=False) |
| sliver_dict = {} |
| for sliver in slivers: |
| sliver_dict[sliver.instance_id] = sliver |
| |
| # delete sliver that don't have a sliver record |
| ctx = self.manager.driver.shell.nova_db.ctx |
| instances = self.manager.driver.shell.nova_db.instance_get_all(ctx) |
| for instance in instances: |
| if instance.id not in sliver_dict: |
| # lookup tenant and update context |
| tenant = self.manager.driver.shell.keystone.tenants.findall(id=instance.tenant_id) |
| self.manager.init_admin(tenant=tenant.name) |
| self.manager.driver.destroy_instance(instance.id) |