Added ec2 observer, WIP
diff --git a/planetstack/ec2_observer/steps/__init__.py b/planetstack/ec2_observer/steps/__init__.py
new file mode 100644
index 0000000..eabf46c
--- /dev/null
+++ b/planetstack/ec2_observer/steps/__init__.py
@@ -0,0 +1,15 @@
+#from .sync_external_routes import SyncExternalRoutes
+from .sync_network_slivers import SyncNetworkSlivers
+from .sync_networks import SyncNetworks
+from .sync_network_deployments import SyncNetworkDeployments
+from .sync_site_privileges import SyncSitePrivileges
+from .sync_sites import SyncSites
+from .sync_slice_memberships import SyncSliceMemberships
+from .sync_slices import SyncSlices
+#from .sync_sliver_ips import SyncSliverIps
+from .sync_slivers import SyncSlivers
+from .sync_users import SyncUsers
+from .sync_roles import SyncRoles
+from .sync_nodes import SyncNodes
+from .sync_images import SyncImages
+from .garbage_collector import GarbageCollector
diff --git a/planetstack/ec2_observer/steps/sync_external_routes.py b/planetstack/ec2_observer/steps/sync_external_routes.py
new file mode 100644
index 0000000..1e1a347
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_external_routes.py
@@ -0,0 +1,18 @@
+import os
+import base64
+from planetstack.config import Config
+from observer.syncstep import SyncStep
+
+class SyncExternalRoutes(SyncStep):
+    # XXX what does this provide?
+    provides=[]
+    requested_interval = 86400 # This step is slow like a pig. Let's run it infrequently
+
+    def call(self, **args):
+        routes = self.driver.get_external_routes()
+        subnets = self.driver.shell.quantum.list_subnets()['subnets']
+        for subnet in subnets:
+            try:
+                self.driver.add_external_route(subnet, routes)
+            except:
+                logger.log_exc("failed to add external route for subnet %s" % subnet)
diff --git a/planetstack/ec2_observer/steps/sync_images.py b/planetstack/ec2_observer/steps/sync_images.py
new file mode 100644
index 0000000..32b3363
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_images.py
@@ -0,0 +1,32 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.syncstep import SyncStep
+from core.models.image import Image
+from awslib import *
+
+class SyncImages(OpenStackSyncStep):
+    provides=[Image]
+    requested_interval=3600
+
+    def fetch_pending(self):
+        images = Image.objects.all()
+        image_names = [image.name for image in images]
+       
+        new_images = []
+
+		aws_images = aws_run('ec2 describe-images')
+
+        for aws_image in aws_images:
+            if aws_image not in image_names:
+                image = Image(image_id=image_id,
+                              name=aws_image['name'],
+                              disk_format='XXX'
+                              container_format='XXX'
+                new_images.append(image)   
+ 
+        return new_images
+
+    def sync_record(self, image):
+        image.save()
diff --git a/planetstack/ec2_observer/steps/sync_mock_nodes.py b/planetstack/ec2_observer/steps/sync_mock_nodes.py
new file mode 100644
index 0000000..3cb3dd0
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_mock_nodes.py
@@ -0,0 +1,42 @@
+import os
+import base64
+import random
+from datetime import datetime 
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.node import Node
+from core.models.deployment import Deployment
+from core.models.site import Site
+
+class SyncNodes(OpenStackSyncStep):
+    provides=[Node]
+    requested_interval=0
+
+    def fetch_pending(self):
+        # collect local nodes
+        sites = Site.objects.all()
+		one_and_only_deployment = Deployments.objects.all()
+
+        node_hostnames  = [node.name for node in nodes]
+
+		instance_types = 'm1.small | m1.medium | m1.large | m1.xlarge | m3.medium | m3.large | m3.xlarge | m3.2xlarge'.split(' | ')
+
+		all_new_nodes = []
+		for s in sites:
+			node_names = [n.name for n in s.nodes]
+			new_node_names = list(set(instance_types) - set(node_names))
+			new_nodes = []
+			for node_name in new_node_names:
+                node = Node(name=node_name,
+                            site=s, deployment=one_and_only_deployment)
+				new_nodes.append(node)
+
+			all_new_nodes.extend(new_nodes)
+
+		return all_new_nodes
+                 
+
+    def sync_record(self, node):
+        node.save()
+          
diff --git a/planetstack/ec2_observer/steps/sync_network_deployments.py b/planetstack/ec2_observer/steps/sync_network_deployments.py
new file mode 100644
index 0000000..d1b51d5
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_network_deployments.py
@@ -0,0 +1,117 @@
+import os
+import base64
+from collections import defaultdict
+from netaddr import IPAddress, IPNetwork
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.network import *
+from core.models.slice import *
+from core.models.slice import Sliver
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncNetworkDeployments(OpenStackSyncStep):
+    requested_interval = 0 
+    provides=[Networ, NetworkDeployments, Sliver]
+    
+    def fetch_pending(self):
+        # network deployments are not visible to users. We must ensure
+        # networks are deployed at all deploymets available to their slices. 
+        slice_deployments = SliceDeployments.objects.all()
+        slice_deploy_lookup = defaultdict(list)
+        for slice_deployment in slice_deployments:
+            slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
+        
+        network_deployments = NetworkDeployments.objects.all()
+        network_deploy_lookup = defaultdict(list)
+        for network_deployment in network_deployments:
+            network_deploy_lookup[network_deployment.network].append(network_deployment.deployment)
+
+        for network in Network.objects.filter():
+            # ignore networks that have
+            # template.visibility = private and template.translation = none
+            if network.template.visibility == 'private' and not network.template.translation == 'none':
+                continue
+            expected_deployments = slice_deploy_lookup[network.owner]
+            for expected_deployment in expected_deployments:
+                if network not in network_deploy_lookup or \
+                  expected_deployment not in network_deploy_lookup[network]:
+                    nd = NetworkDeployments(network=network, deployment=expected_deployment)
+                    nd.save()
+        return NetworkDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def get_next_subnet(self, deployment=None):
+        # limit ourself to 10.0.x.x for now
+        valid_subnet = lambda net: net.startswith('10.0')
+        driver = self.driver.admin_driver(deployment=deployment)
+        subnets = driver.shell.quantum.list_subnets()['subnets']
+        ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
+                if valid_subnet(subnet['cidr'])]
+        ints.sort()
+        if ints:
+            last_ip = IPAddress(ints[-1])
+        else:
+            last_ip = IPAddress('10.0.0.0')
+        last_network = IPNetwork(str(last_ip) + "/24")
+        next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
+        return next_network
+
+    def save_network_deployment(self, network_deployment):
+        if not network_deployment.network_id and network_deployment.network.template.sharedNetworkName:
+            network_deployment.network_id = network_deployment.network.template.sharedNetworkId
+
+        if not network_deployment.net_id:
+            network_name = network_deployment.network.name
+
+            # create network
+            os_network = self.driver.create_network(network_name, shared=True)
+            network_deployment.net_id = os_network['id']
+
+            # create router
+            #router = self.driver.create_router(network_name)
+            #network_deployment.router_id = router['id']
+
+            # create subnet
+            next_subnet = self.get_next_subnet(deployment=network_deployment.deployment.name)
+            cidr = str(next_subnet.cidr)
+            ip_version = next_subnet.version
+            start = str(next_subnet[2])
+            end = str(next_subnet[-2])
+            subnet = self.driver.create_subnet(name=network_name,
+                                               network_id = network_deployment.net_id,
+                                               cidr_ip = cidr,
+                                               ip_version = ip_version,
+                                               start = start,
+                                               end = end)
+            network_deployment.subnet = cidr
+            network_deployment.subnet_id = subnet['id']
+            # add subnet as interface to slice's router
+            #self.driver.add_router_interface(router['id'], subnet['id'])
+            # add external route
+            #self.driver.add_external_route(subnet)
+            logger.info("created private subnet (%s) for network: %s" % (cidr, network_deployment.network))
+        else:
+            (network_deployment.subnet_id, network_deployment.subnet) = self.driver.get_network_subnet(network_deployment.net_id)
+            logger.info("sync'ed subnet (%s) for network: %s" % (network_deployment.subnet, network_deployment.network))
+
+        network_deployment.save()
+
+    def sync_record(self, network_deployment):
+        if network_deployment.network.owner and network_deployment.network.owner.creator:
+            try:
+                # update manager context
+                real_driver = self.driver
+                self.driver = self.driver.client_driver(caller=network_deployment.network.owner.creator, 
+                                                        tenant=network_deployment.network.owner.name,
+                                                        deployment=network_deployment.deployment.name)
+                self.save_network_deployment(network_deployment)
+                self.driver = real_driver
+                logger.info("saved network deployment: %s" % (network_deployment))
+            except Exception,e:
+                logger.log_exc("save network deployment failed: %s" % network_deployment)
+                raise e            
+        
+          
+    
diff --git a/planetstack/ec2_observer/steps/sync_network_slivers.py b/planetstack/ec2_observer/steps/sync_network_slivers.py
new file mode 100644
index 0000000..7e69330
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_network_slivers.py
@@ -0,0 +1,80 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.network import *
+
+class SyncNetworkSlivers(OpenStackSyncStep):
+    requested_interval = 3600
+    provides=[NetworkSliver]
+
+    def fetch_pending(self):
+        return NetworkSliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def call(self, failed=[]):
+        networkSlivers = NetworkSliver.objects.all()
+        networkSlivers_by_id = {}
+        networkSlivers_by_port = {}
+        for networkSliver in networkSlivers:
+            networkSlivers_by_id[networkSliver.id] = networkSliver
+            networkSlivers_by_port[networkSliver.port_id] = networkSliver
+
+        networks = Network.objects.all()
+        networks_by_id = {}
+        for network in networks:
+            networks_by_id[network.network_id] = network
+
+        slivers = Sliver.objects.all()
+        slivers_by_instance_id = {}
+        for sliver in slivers:
+            slivers_by_instance_id[sliver.instance_id] = sliver
+
+        driver = self.driver.admin_driver(caller=sliver.creator, tenant=sliver.slice.name, deployment=sliver.node.deployment.name)
+        ports = driver.shell.quantum.list_ports()["ports"]
+        for port in ports:
+            if port["id"] in networkSlivers_by_port:
+                # we already have it
+                print "already accounted for port", port["id"]
+                continue
+
+            if port["device_owner"] != "compute:nova":
+                # we only want the ports that connect to instances
+                continue
+
+            network = networks_by_id.get(port['network_id'], None)
+            if not network:
+                #print "no network for port", port["id"], "network", port["network_id"]
+                continue
+
+            sliver = slivers_by_instance_id.get(port['device_id'], None)
+            if not sliver:
+                print "no sliver for port", port["id"], "device_id", port['device_id']
+                continue
+
+            if network.template.sharedNetworkId is not None:
+                # If it's a shared network template, then more than one network
+                # object maps to the quantum network. We have to do a whole bunch
+                # of extra work to find the right one.
+                networks = network.template.network_set.all()
+                network = None
+                for candidate_network in networks:
+                    if (candidate_network.owner == sliver.slice):
+                        print "found network", candidate_network
+                        network = candidate_network
+
+                if not network:
+                    print "failed to find the correct network for a shared template for port", port["id"], "network", port["network_id"]
+                    continue
+
+            if not port["fixed_ips"]:
+                print "port", port["id"], "has no fixed_ips"
+                continue
+
+#             print "XXX", port
+
+            ns = NetworkSliver(network=network,
+                               sliver=sliver,
+                               ip=port["fixed_ips"][0]["ip_address"],
+                               port_id=port["id"])
+            ns.save()
diff --git a/planetstack/ec2_observer/steps/sync_networks.py b/planetstack/ec2_observer/steps/sync_networks.py
new file mode 100644
index 0000000..cc277c6
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_networks.py
@@ -0,0 +1,20 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.network import *
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncNetworks(SyncStep):
+    provides=[Network]
+    requested_interval = 0
+
+    def fetch_pending(self):
+        return Network.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, network):
+        network.save()
+
diff --git a/planetstack/ec2_observer/steps/sync_roles.py b/planetstack/ec2_observer/steps/sync_roles.py
new file mode 100644
index 0000000..5dc30d9
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_roles.py
@@ -0,0 +1,37 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.role import Role
+from core.models.site import SiteRole
+from core.models.slice import SliceRole
+from core.models.deployment import DeploymentRole
+
+class SyncRoles(OpenStackSyncStep):
+    provides=[Role]
+    requested_interval=0
+
+    def fetch_pending(self):
+        site_roles = SiteRole.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+        slice_roles = SliceRole.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+        deployment_roles = DeploymentRole.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+        roles = []
+        for site_role in site_roles:
+            roles.append(site_role)
+        for slice_role in slice_roles:
+            roles.append(slice_role)
+        for deployment_role in deployment_roles:
+            roles.append(deployment_role)
+
+        return roles
+
+
+    def sync_record(self, role):
+        if not role.enacted:
+            deployments = Deployment.objects.all()
+            for deployment in deployments:
+                driver = self.driver.admin_driver(deployment=deployment.name)
+                driver.create_role(role.role)
+            role.save()    
diff --git a/planetstack/ec2_observer/steps/sync_site_deployments.py b/planetstack/ec2_observer/steps/sync_site_deployments.py
new file mode 100644
index 0000000..a996c85
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_site_deployments.py
@@ -0,0 +1,28 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.site import *
+
+class SyncSiteDeployments(OpenStackSyncStep):
+    requested_interval=0
+    provides=[Site, SiteDeployments]
+
+    def fetch_pending(self):
+        return SiteDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, site_deployment):
+        if not site_deployment.tenant_id:
+            driver = self.driver.admin_driver(deployment=site_deployment.deployment.name)
+            tenant = driver.create_tenant(tenant_name=site_deployment.site.login_base,
+                                               description=site_deployment.site.name,
+                                               enabled=site_deployment.site.enabled)
+            site_deployment.tenant_id = tenant.id
+            site_deployment.save()
+        elif site_deployment.site.id and site_deployment.tenant_id:
+            driver = self.driver.admin_driver(deployment=site_deployment.name)
+            driver.update_tenant(site_deployment.tenant_id,
+                                 description=site_deployment.site.name,
+                                 enabled=site_deployment.site.enabled)
+            
diff --git a/planetstack/ec2_observer/steps/sync_site_privileges.py b/planetstack/ec2_observer/steps/sync_site_privileges.py
new file mode 100644
index 0000000..b57ae43
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_site_privileges.py
@@ -0,0 +1,31 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.site import *
+from core.models.user import User, UserDeployments    
+
+class SyncSitePrivileges(OpenStackSyncStep):
+    requested_interval=0
+    provides=[SitePrivilege]
+
+    def fetch_pending(self):
+        return SitePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, site_priv):
+        if site_priv.user.kuser_id and site_priv.site.tenant_id:
+            self.driver.add_user_role(site_priv.user.kuser_id,
+                                      site_priv.site.tenant_id,
+                                      site_priv.role.role) 
+
+        # sync site privileges at all site deployments
+        site_deployments = SiteDeployments.objects.filter(site=site_priv.site)
+        for site_deployment in site_deployments:
+            user_deployments = UserDeployments.objects.filter(deployment=site_deployment.deployment)
+            if user_deployments:
+                kuser_id  = user_deployments[0].kuser_id
+                driver = self.driver.admin_driver(deployment=site_deployment.deployment.name)
+                driver.add_user_role(kuser_id,
+                                     site_deployment.tenant_id,
+                                     site_priv.role.role)
diff --git a/planetstack/ec2_observer/steps/sync_sites.py b/planetstack/ec2_observer/steps/sync_sites.py
new file mode 100644
index 0000000..5771aef
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_sites.py
@@ -0,0 +1,34 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.syncstep import SyncStep
+from core.models.site import Site
+from ec2_observer.awslib import *
+
+class SyncSites(SyncStep):
+    provides=[Site]
+    requested_interval=3600
+
+    def fetch_pending(self):
+		current_sites = Site.objects.all()
+		zones = aws_run('ec2 describe-availability-zones')
+		available_sites = [zone['ZoneName'] for zone in zones]
+
+		new_site_names = list(set(available_sites) - set(zones))
+
+		new_sites = []
+		for s in new_site_names:
+			site = Site(name=s,
+						login_base=s,
+						site_url="www.amazon.com",
+						enabled=True,
+						is_public=True,
+						abbreviated_name=s)
+			new_sites.append(site)
+		
+        return new_sites
+
+    def sync_record(self, site):
+        site.save()
+
diff --git a/planetstack/ec2_observer/steps/sync_slice_deployments.py b/planetstack/ec2_observer/steps/sync_slice_deployments.py
new file mode 100644
index 0000000..580edd1
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_slice_deployments.py
@@ -0,0 +1,107 @@
+import os
+import base64
+from collections import defaultdict
+from netaddr import IPAddress, IPNetwork
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.deployment import Deployment
+from core.models.site import SiteDeployments
+from core.models.slice import Slice, SliceDeployments
+from core.models.user import UserDeployments
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncSliceDeployments(OpenStackSyncStep):
+    provides=[SliceDeployments]
+    requested_interval=0
+
+    def fetch_pending(self):
+        # slice deployments are not visible to users. We must ensure
+        # slices are deployed at all deploymets available to their site.
+        site_deployments = SiteDeployments.objects.all()
+        site_deploy_lookup = defaultdict(list)
+        for site_deployment in site_deployments:
+            site_deploy_lookup[site_deployment.site].append(site_deployment.deployment)
+        
+        slice_deployments = SliceDeployments.objects.all()
+        slice_deploy_lookup = defaultdict(list)
+        for slice_deployment in slice_deployments:
+            slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
+        
+        all_deployments = Deployment.objects.all() 
+        for slice in Slice.objects.all():
+            # slices are added to all deployments for now
+            expected_deployments = all_deployments
+            #expected_deployments = site_deploy_lookup[slice.site]
+            for expected_deployment in expected_deployments:
+                if slice not in slice_deploy_lookup or \
+                   expected_deployment not in slice_deploy_lookup[slice]:
+                    sd = SliceDeployments(slice=slice, deployment=expected_deployment)
+                    sd.save()
+
+        # now we can return all slice deployments that need to be enacted   
+        return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def get_next_subnet(self, deployment=None):
+        # limit ourself to 10.0.x.x for now
+        valid_subnet = lambda net: net.startswith('10.0')
+        driver = self.driver.admin_driver(deployment=deployment)
+        subnets = driver.shell.quantum.list_subnets()['subnets']
+        ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
+                if valid_subnet(subnet['cidr'])]
+        ints.sort()
+        if ints:
+            last_ip = IPAddress(ints[-1])
+        else:
+            last_ip = IPAddress('10.0.0.1')
+        last_ip = IPAddress(ints[-1])
+        last_network = IPNetwork(str(last_ip) + "/24")
+        next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
+        return next_network
+
+
+    def sync_record(self, slice_deployment):
+        logger.info("sync'ing slice deployment %s" % slice_deployment)
+        if not slice_deployment.tenant_id:
+            nova_fields = {'tenant_name': slice_deployment.slice.name,
+                   'description': slice_deployment.slice.description,
+                   'enabled': slice_deployment.slice.enabled}
+            driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
+            tenant = driver.create_tenant(**nova_fields)
+            slice_deployment.tenant_id = tenant.id
+
+            # XXX give caller an admin role at the tenant they've created
+            deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
+                                                             deployment=slice_deployment.deployment)            
+            if not deployment_users:
+                logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name))
+            else:
+                deployment_user = deployment_users[0]
+                # lookup user id at this deployment
+                kuser= driver.shell.keystone.users.find(email=slice_deployment.slice.creator.email)
+
+                # add required roles at the slice's tenant 
+                driver.add_user_role(kuser.id, tenant.id, 'admin')
+                    
+                # refresh credentials using this tenant
+                client_driver = self.driver.client_driver(caller=deployment_user.user,
+                                                          tenant=tenant.name, 
+                                                          deployment=slice_deployment.deployment.name)
+
+
+        if slice_deployment.id and slice_deployment.tenant_id:
+            # update existing tenant
+            driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
+            driver.update_tenant(slice_deployment.tenant_id,
+                                 description=slice_deployment.slice.description,
+                                 enabled=slice_deployment.slice.enabled)  
+
+        if slice_deployment.tenant_id:
+            # update slice/tenant quota
+            driver = self.driver.client_driver(deployment=slice_deployment.deployment.name,
+                                              tenant=slice_deployment.slice.name)
+            driver.shell.nova.quotas.update(tenant_id=slice_deployment.tenant_id, instances=int(slice_deployment.slice.max_slivers)) 
+
+        slice_deployment.save()
diff --git a/planetstack/ec2_observer/steps/sync_slice_memberships.py b/planetstack/ec2_observer/steps/sync_slice_memberships.py
new file mode 100644
index 0000000..b6b1638
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_slice_memberships.py
@@ -0,0 +1,29 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.slice import *
+from core.models.user import UserDeployments
+
+class SyncSliceMemberships(OpenStackSyncStep):
+    requested_interval=0
+    provides=[SlicePrivilege]
+
+    def fetch_pending(self):
+        return SlicePrivilege.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, slice_memb):
+        # sync slice memberships at all slice deployments 
+        slice_deployments = SliceDeployments.objects.filter(slice=slice_memb.slice)
+        for slice_deployment in slice_deployments:
+            if not slice_deployment.tenant_id:
+                continue
+            user_deployments = UserDeployments.objects.filter(deployment=slice_deployment.deployment,
+                                                              user=slice_memb.user)
+            if user_deployments:
+                kuser_id  = user_deployments[0].kuser_id
+                driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
+                driver.add_user_role(kuser_id,
+                                     slice_deployment.tenant_id,
+                                     slice_memb.role.role)
diff --git a/planetstack/ec2_observer/steps/sync_slices.py b/planetstack/ec2_observer/steps/sync_slices.py
new file mode 100644
index 0000000..6cf0772
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_slices.py
@@ -0,0 +1,23 @@
+import os
+import base64
+from netaddr import IPAddress, IPNetwork
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.slice import Slice, SliceDeployments
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncSlices(OpenStackSyncStep):
+    provides=[Slice]
+    requested_interval=0
+
+    def fetch_pending(self):
+        return Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, slice):
+        for slice_deployment in SliceDeployments.objects.filter(slice=slice):
+            # bump the 'updated' timestamp and trigger observer to update
+            # slice across all deployments 
+            slice_deployment.save()    
diff --git a/planetstack/ec2_observer/steps/sync_sliver_ips.py b/planetstack/ec2_observer/steps/sync_sliver_ips.py
new file mode 100644
index 0000000..e2212d1
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_sliver_ips.py
@@ -0,0 +1,29 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.sliver import Sliver
+
+class SyncSliverIps(OpenStackSyncStep):
+    provides=[Sliver]
+    requested_interval=0
+
+    def fetch_pending(self):
+        slivers = Sliver.objects.filter(ip=None)
+        return slivers
+
+    def sync_record(self, sliver):
+        driver = self.driver.client_driver(tenant=sliver.slice.name, 
+                                           deployment=sliver.node.deployment.name)  
+        servers = driver.shell.nova.servers.findall(id=sliver.instance_id)
+        if not servers:
+            return
+        server = servers[0]
+        ips = server.addresses.get(sliver.slice.name, [])
+        if not ips:
+            return
+        sliver.ip = ips[0]['addr']
+        if sliver.ip:
+            sliver.save()
+            logger.info("saved sliver ip: %s %s" % (sliver, ips[0]))
diff --git a/planetstack/ec2_observer/steps/sync_slivers.py b/planetstack/ec2_observer/steps/sync_slivers.py
new file mode 100644
index 0000000..b576bbc
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_slivers.py
@@ -0,0 +1,91 @@
+import os
+import base64
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.sliver import Sliver
+from core.models.slice import SlicePrivilege, SliceDeployments
+from core.models.network import Network, NetworkSlice, NetworkDeployments
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncSlivers(OpenStackSyncStep):
+    provides=[Sliver]
+    requested_interval=0
+
+    def fetch_pending(self):
+        return Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, sliver):
+        logger.info("sync'ing sliver:%s deployment:%s " % (sliver, sliver.node.deployment))
+        metadata_update = {}
+        if ("numberCores" in sliver.changed_fields):
+            metadata_update["cpu_cores"] = str(sliver.numberCores)
+
+        for tag in sliver.slice.tags.all():
+            if tag.name.startswith("sysctl-"):
+                metadata_update[tag.name] = tag.value
+
+        if not sliver.instance_id:
+            driver = self.driver.client_driver(caller=sliver.creator, tenant=sliver.slice.name, deployment=sliver.deploymentNetwork.name)
+            # public keys
+            slice_memberships = SlicePrivilege.objects.filter(slice=sliver.slice)
+            pubkeys = [sm.user.public_key for sm in slice_memberships if sm.user.public_key]
+            if sliver.creator.public_key:
+                pubkeys.append(sliver.creator.public_key)
+            if sliver.slice.creator.public_key:
+                pubkeys.append(sliver.slice.creator.public_key) 
+            # netowrks
+            # include all networks available to the slice and/or associated network templates
+            nics = []
+            networks = [ns.network for ns in NetworkSlice.objects.filter(slice=sliver.slice)]   
+            network_deployments = NetworkDeployments.objects.filter(network__in=networks, 
+                                                                    deployment=sliver.node.deployment)
+            # Gather private networks first. This includes networks with a template that has
+            # visibility = private and translation = none
+            for network_deployment in network_deployments:
+                if network_deployment.network.template.visibility == 'private' and \
+                   network_deployment.network.template.translation == 'none': 
+                    nics.append({'net-id': network_deployment.net_id})
+    
+            # now include network template
+            network_templates = [network.template.sharedNetworkName for network in networks \
+                                 if network.template.sharedNetworkName]
+            for net in driver.shell.quantum.list_networks()['networks']:
+                if net['name'] in network_templates: 
+                    nics.append({'net-id': net['id']}) 
+
+            file("/tmp/scott-manager","a").write("slice: %s\nreq: %s\n" % (str(sliver.slice.name), str(nics)))
+         
+            # look up image id
+            deployment_driver = self.driver.admin_driver(deployment=sliver.deploymentNetwork.name)
+            image_id = None
+            images = deployment_driver.shell.glance.get_images()
+            for image in images:
+                if image['name'] == sliver.image.name:
+                    image_id = image['id']
+                    
+            # look up key name at the deployment
+            # create/fetch keypair
+            keyname = None
+            if sliver.creator.public_key:
+                keyname = sliver.creator.email.lower().replace('@', 'AT').replace('.', '') +\
+                          sliver.slice.name
+                key_fields =  {'name': keyname,
+                               'public_key': sliver.creator.public_key}
+                driver.create_keypair(**key_fields)       
+ 
+            instance = driver.spawn_instance(name=sliver.name,
+                                key_name = keyname,
+                                image_id = image_id,
+                                hostname = sliver.node.name,
+                                pubkeys = pubkeys,
+                                nics = nics )
+            sliver.instance_id = instance.id
+            sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
+            sliver.save()    
+
+        if sliver.instance_id and metadata_update:
+            driver.update_instance_metadata(sliver.instance_id, metadata_update)
+
diff --git a/planetstack/ec2_observer/steps/sync_user_deployments.py b/planetstack/ec2_observer/steps/sync_user_deployments.py
new file mode 100644
index 0000000..39943f7
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_user_deployments.py
@@ -0,0 +1,98 @@
+import os
+import base64
+import hashlib
+from collections import defaultdict
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.site import SiteDeployments, Deployment
+from core.models.user import User, UserDeployments
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class SyncUserDeployments(OpenStackSyncStep):
+    provides=[User, UserDeployments]
+    requested_interval=0
+
+    def fetch_pending(self):
+        # user deployments are not visible to users. We must ensure
+        # user are deployed at all deploymets available to their sites.
+
+        deployments = Deployment.objects.all()
+        site_deployments = SiteDeployments.objects.all()
+        site_deploy_lookup = defaultdict(list)
+        for site_deployment in site_deployments:
+            site_deploy_lookup[site_deployment.site].append(site_deployment.deployment)
+
+        user_deploy_lookup = defaultdict(list)
+        for user_deployment in UserDeployments.objects.all():
+            user_deploy_lookup[user_deployment.user].append(user_deployment.deployment)
+       
+        all_deployments = Deployment.objects.filter() 
+        for user in User.objects.all():
+            if user.is_admin:
+                # admins should have an account at all deployments
+                expected_deployments = deployments
+            else:
+                # normal users should have an account at their site's deployments
+                #expected_deployments = site_deploy_lookup[user.site]
+                # users are added to all deployments for now
+                expected_deployments = deployments        
+            for expected_deployment in expected_deployments:
+                if not user in user_deploy_lookup or \
+                  expected_deployment not in user_deploy_lookup[user]: 
+                    # add new record
+                    ud = UserDeployments(user=user, deployment=expected_deployment)
+                    ud.save()
+                    #user_deployments.append(ud)
+                #else:
+                #    # update existing record
+                #    ud = UserDeployments.objects.get(user=user, deployment=expected_deployment)
+                #    user_deployments.append(ud)
+
+        return UserDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) 
+
+    def sync_record(self, user_deployment):
+        logger.info("sync'ing user %s at deployment %s" % (user_deployment.user, user_deployment.deployment.name))
+        name = user_deployment.user.email[:user_deployment.user.email.find('@')]
+        user_fields = {'name': user_deployment.user.email,
+                       'email': user_deployment.user.email,
+                       'password': hashlib.md5(user_deployment.user.password).hexdigest()[:6],
+                       'enabled': True}    
+        driver = self.driver.admin_driver(deployment=user_deployment.deployment.name)
+        if not user_deployment.kuser_id:
+            keystone_user = driver.create_user(**user_fields)
+            user_deployment.kuser_id = keystone_user.id
+        else:
+            driver.update_user(user_deployment.kuser_id, user_fields)
+
+        # setup user deployment home site roles  
+        if user_deployment.user.site:
+            site_deployments = SiteDeployments.objects.filter(site=user_deployment.user.site,
+                                                              deployment=user_deployment.deployment)
+            if site_deployments:
+                # need the correct tenant id for site at the deployment
+                tenant_id = site_deployments[0].tenant_id  
+                driver.add_user_role(user_deployment.kuser_id, 
+                                     tenant_id, 'user')
+                if user_deployment.user.is_admin:
+                    driver.add_user_role(user_deployment.kuser_id, tenant_id, 'admin')
+                else:
+                    # may have admin role so attempt to remove it
+                    driver.delete_user_role(user_deployment.kuser_id, tenant_id, 'admin')
+
+        #if user_deployment.user.public_key:
+        #    if not user_deployment.user.keyname:
+        #        keyname = user_deployment.user.email.lower().replace('@', 'AT').replace('.', '')
+        #        user_deployment.user.keyname = keyname
+        #        user_deployment.user.save()
+        #    
+        #    user_driver = driver.client_driver(caller=user_deployment.user, 
+        #                                       tenant=user_deployment.user.site.login_base, 
+        #                                       deployment=user_deployment.deployment.name)
+        #    key_fields =  {'name': user_deployment.user.keyname,
+        #                   'public_key': user_deployment.user.public_key}
+        #    user_driver.create_keypair(**key_fields)
+
+        user_deployment.save()
diff --git a/planetstack/ec2_observer/steps/sync_users.py b/planetstack/ec2_observer/steps/sync_users.py
new file mode 100644
index 0000000..71f9c0f
--- /dev/null
+++ b/planetstack/ec2_observer/steps/sync_users.py
@@ -0,0 +1,20 @@
+import os
+import base64
+import hashlib
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.user import User, UserDeployments
+
+class SyncUsers(OpenStackSyncStep):
+    provides=[User]
+    requested_interval=0
+
+    def fetch_pending(self):
+        return User.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+    def sync_record(self, user):
+        for user_deployment in UserDeployments.objects.filter(user=user):
+            # bump the 'updated' field so user account are updated across 
+            # deployments.
+            user_deployment.save()