X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=planetstack%2Fopenstack%2Fobserver.py;h=0e8b47daf07dea6ddb1f51c37e20d7c5e3379b09;hb=4b075bd2e60eb4cebea5072fcbe32924b03bd4d6;hp=02b0b9cc4a5ceac011cf6a8b691fb727cedd7753;hpb=0553f281ee5404658e660cd59090d8d10b5432cf;p=plstackapi.git diff --git a/planetstack/openstack/observer.py b/planetstack/openstack/observer.py index 02b0b9c..0e8b47d 100644 --- a/planetstack/openstack/observer.py +++ b/planetstack/openstack/observer.py @@ -1,29 +1,140 @@ import time import traceback +import commands +import threading + from datetime import datetime +from collections import defaultdict from core.models import * from django.db.models import F, Q from openstack.manager import OpenStackManager +from util.logger import Logger, logging, logger +#from timeout import timeout + +logger = Logger(logfile='observer.log', level=logging.INFO) class OpenStackObserver: def __init__(self): self.manager = OpenStackManager() + # The Condition object that gets signalled by Feefie events + self.event_cond = threading.Condition() + + def wait_for_event(self, timeout): + self.event_cond.acquire() + self.event_cond.wait(timeout) + self.event_cond.release() + + def wake_up(self): + logger.info('Wake up routine called. Event cond %r'%self.event_cond) + self.event_cond.acquire() + self.event_cond.notify() + self.event_cond.release() def run(self): if not self.manager.enabled or not self.manager.has_openstack: return while True: try: + logger.info('Observer run loop') #self.sync_roles() - self.sync_tenants() - self.sync_users() - #self.sync_user_tenant_roles() - #self.sync_slivers() - time.sleep(7) + + logger.info('Calling sync tenants') + try: + self.sync_tenants() + except: + logger.log_exc("Exception in sync_tenants") + traceback.print_exc() + + logger.info('Calling sync users') + try: + self.sync_users() + except: + logger.log_exc("Exception in sync_users") + traceback.print_exc() + + logger.info('Calling sync tenant roles') + try: + self.sync_user_tenant_roles() + except: + logger.log_exc("Exception in sync_users") + traceback.print_exc() + + logger.info('Calling sync slivers') + try: + self.sync_slivers() + except: + logger.log_exc("Exception in sync slivers") + traceback.print_exc() + + logger.info('Calling sync sliver ips') + try: + self.sync_sliver_ips() + except: + logger.log_exc("Exception in sync_sliver_ips") + traceback.print_exc() + + logger.info('Calling sync networks') + try: + self.sync_networks() + except: + logger.log_exc("Exception in sync_networks") + traceback.print_exc() + + logger.info('Calling sync external routes') + try: + self.sync_external_routes() + except: + logger.log_exc("Exception in sync_external_routes") + traceback.print_exc() + + logger.info('Waiting for event') + tBeforeWait = time.time() + self.wait_for_event(timeout=300) + + # Enforce 5 minutes between wakeups + tSleep = 300 - (time.time() - tBeforeWait) + if tSleep > 0: + logger.info('Sleeping for %d seconds' % tSleep) + time.sleep(300) + + logger.info('Observer woken up') except: - traceback.print_exc() + logger.log_exc("Exception in observer run loop") + traceback.print_exc() + + def sync_roles(self): + """ + save all role that don't already exist in keystone. Remove keystone roles that + don't exist in planetstack + """ + # sync all roles that don't already in keystone + keystone_roles = self.manager.driver.shell.keystone.roles.findall() + keystone_role_names = [kr.name for kr in keystone_roles] + pending_roles = Role.objects.all() + pending_role_names = [r.role_type for r in pending_roles] + for role in pending_roles: + if role.role_type not in keystone_role_names: + try: + self.manager.save_role(role) + logger.info("save role: %s" % (role)) + except: + logger.log_exc("save role failed: %s" % role) + traceback.print_exc() + + # don't delete roles for now + """ + # delete keystone roles that don't exist in planetstack + for keystone_role in keystone_roles: + if keystone_role.name == 'admin': + continue + if keystone_role.name not in pending_role_names: + try: + self.manager.driver.delete_role({id: keystone_role.id}) + except: + traceback.print_exc() + """ def sync_tenants(self): """ @@ -34,16 +145,21 @@ class OpenStackObserver: # 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() + try: + self.manager.save_site(site) + logger.info("saved site %s" % site) + except: + logger.log_exc("save site failed: %s" % site) # 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() + try: + self.manager.init_caller(slice.creator, slice.creator.site.login_base) + self.manager.save_slice(slice) + logger.info("saved slice %s" % slice) + except: + logger.log_exc("save slice failed: %s" % slice) # get all sites that where enacted != null. We can assume these sites # have previously been synced and need to be checed for deletion. @@ -61,13 +177,16 @@ class OpenStackObserver: # delete keystone tenants that don't have a site record tenants = self.manager.driver.shell.keystone.tenants.findall() + system_tenants = ['admin','service'] for tenant in tenants: - if tenant.name == 'admin': + if tenant.name in system_tenants: continue if tenant.name not in site_dict and tenant.name not in slice_dict: - #print "delete " + tenant.name - pass - #self.manager.driver.delete_tenant(tenant.id) + try: + self.manager.driver.delete_tenant(tenant.id) + logger.info("deleted tenant: %s" % (tenant)) + except: + logger.log_exc("delete tenant failed: %s" % tenant) def sync_users(self): @@ -78,9 +197,11 @@ class OpenStackObserver: # 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() + try: + self.manager.save_user(user) + logger.info("saved user: %s" % (user)) + except: + logger.log_exc("save user failed: %s" %user) # get all users that where enacted != null. We can assume these users # have previously been synced and need to be checed for deletion. @@ -90,15 +211,87 @@ class OpenStackObserver: user_dict[user.kuser_id] = user # delete keystone users that don't have a user record + system_users = ['admin', 'nova', 'quantum', 'glance', 'cinder', 'swift', 'service'] users = self.manager.driver.shell.keystone.users.findall() for user in users: - if user.name == 'admin': + if user.name in system_users: continue if user.id not in user_dict: - pass - #self.manager.driver.delete_user(user.id) - - + try: + #self.manager.driver.delete_user(user.id) + logger.info("deleted user: %s" % user) + except: + logger.log_exc("delete user failed: %s" % user) + + + def sync_user_tenant_roles(self): + """ + Save all site privileges and slice memberships wheree enacted < updated or + enacted == None. Remove ones that don't exist in openstack db if they have + an enacted time (enacted != None). + """ + # sync site privileges + pending_site_privileges = SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) + for site_priv in pending_site_privileges: + try: + self.manager.save_site_privilege(site_priv) + logger.info("saved site privilege: %s" % (site_priv)) + except: logger.log_exc("save site privilege failed: %s " % site_priv) + + # sync slice memberships + pending_slice_memberships = SliceMembership.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) + for slice_memb in pending_slice_memberships: + try: + self.manager.save_slice_membership(slice_memb) + logger.info("saved slice membership: %s" % (slice_memb)) + except: logger.log_exc("save slice membership failed: %s" % slice_memb) + + # get all site privileges and slice memberships that have been enacted + user_tenant_roles = defaultdict(list) + for site_priv in SitePrivilege.objects.filter(enacted__isnull=False): + user_tenant_roles[(site_priv.user.kuser_id, site_priv.site.tenant_id)].append(site_priv.role.role) + for slice_memb in SliceMembership.objects.filter(enacted__isnull=False): + user_tenant_roles[(slice_memb.user.kuser_id, slice_memb.slice.tenant_id)].append(slice_memb.role.role) + + # Some user tenant role aren't stored in planetstack but they must be preserved. + # Role that fall in this category are + # 1. Never remove a user's role that their home site + # 2. Never remove a user's role at a slice they've created. + # Keep track of all roles that must be preserved. + users = User.objects.all() + preserved_roles = {} + for user in users: + tenant_ids = [s['tenant_id'] for s in user.slices.values()] + tenant_ids.append(user.site.tenant_id) + preserved_roles[user.kuser_id] = tenant_ids + + + # begin removing user tenant roles from keystone. This is stored in the + # Metadata table. + for metadata in self.manager.driver.shell.keystone_db.get_metadata(): + # skip admin roles + if metadata.user_id == self.manager.driver.admin_user.id: + continue + # skip preserved tenant ids + if metadata.user_id in preserved_roles and \ + metadata.tenant_id in preserved_roles[metadata.user_id]: + continue + # get roles for user at this tenant + user_tenant_role_ids = user_tenant_roles.get((metadata.user_id, metadata.tenant_id), []) + + if user_tenant_role_ids: + # The user has roles at the tenant. Check if roles need to + # be updated. + user_keystone_role_ids = metadata.data.get('roles', []) + for role_id in user_keystone_role_ids: + if role_id not in user_tenant_role_ids: + user_keystone_role_ids.pop(user_keystone_role_ids.index(role_id)) + else: + # The user has no roles at this tenant. + metadata.data['roles'] = [] + #session.add(metadata) + logger.info("pruning metadata for %s at %s" % (metadata.user_id, metadata.tenant_id)) + def sync_slivers(self): """ save all slivers where enacted < updated or enacted == None. Remove slivers that @@ -107,14 +300,16 @@ class OpenStackObserver: # 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 + if sliver.creator: + try: + # update manager context + self.manager.init_caller(sliver.creator, sliver.slice.name) + self.manager.save_sliver(sliver) + logger.info("saved sliver: %s" % (sliver)) + except: + logger.log_exc("save sliver failed: %s" % sliver) + + # get all slivers 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 = {} @@ -125,8 +320,67 @@ class OpenStackObserver: 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) + if instance.uuid not in sliver_dict: + try: + # lookup tenant and update context + tenant = self.manager.driver.shell.keystone.tenants.find(id=instance.project_id) + self.manager.init_admin(tenant=tenant.name) + self.manager.driver.destroy_instance(instance.uuid) + logger.info("destroyed sliver: %s" % (instance)) + except: + logger.log_exc("destroy sliver failed: %s" % instance) + + + def sync_sliver_ips(self): + # fill in null ip addresses + slivers = Sliver.objects.filter(ip=None) + for sliver in slivers: + # update connection + self.manager.init_admin(tenant=sliver.slice.name) + servers = self.manager.driver.shell.nova.servers.findall(id=sliver.instance_id) + if not servers: + continue + server = servers[0] + ips = server.addresses.get(sliver.slice.name, []) + if not ips: + continue + sliver.ip = ips[0]['addr'] + sliver.save() + logger.info("saved sliver ip: %s %s" % (sliver, ips[0])) + + def sync_external_routes(self): + routes = self.manager.driver.get_external_routes() + subnets = self.manager.driver.shell.quantum.list_subnets()['subnets'] + for subnet in subnets: + try: + self.manager.driver.add_external_route(subnet, routes) + except: + logger.log_exc("failed to add external route for subnet %s" % subnet) + + def sync_networks(self): + """ + save all networks where enacted < updated or enacted == None. Remove networks 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_networks = Network.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) + for network in pending_networks: + if network.owner and network.owner.creator: + try: + # update manager context + self.manager.init_caller(network.owner.creator, network.owner.name) + self.manager.save_network(network) + logger.info("saved network: %s" % (network)) + except: + logger.log_exc("save network failed: %s" % network) + + # get all networks where enacted != null. We can assume these users + # have previously been synced and need to be checed for deletion. + networks = Network.objects.filter(enacted__isnull=False) + network_dict = {} + for network in networks: + network_dict[network.network_id] = network + + # TODO: delete Network objects if quantum network doesn't exist + # (need to write self.manager.driver.shell.quantum_db) +