Start of Fabric service synchronizer
diff --git a/xos/configurations/cord-pod/Makefile b/xos/configurations/cord-pod/Makefile
index f0b3c3c..1b9e967 100644
--- a/xos/configurations/cord-pod/Makefile
+++ b/xos/configurations/cord-pod/Makefile
@@ -33,6 +33,9 @@
 vtn: vtn-external.yaml
 	sudo docker-compose -p $(DOCKER_PROJECT) -f $(DOCKER_COMPOSE_YML) run xos_ui python /opt/xos/tosca/run.py padmin@vicci.org /root/setup/vtn-external.yaml
 
+fabric: fabric.yaml
+	sudo docker-compose -p $(DOCKER_PROJECT) -f $(DOCKER_COMPOSE_YML) run xos_ui python /opt/xos/tosca/run.py padmin@vicci.org /root/setup/fabric.yaml
+
 cord: vsg_custom_images
 	sudo docker-compose -p $(DOCKER_PROJECT) -f $(DOCKER_COMPOSE_YML) run xos_ui python /opt/xos/tosca/run.py padmin@vicci.org /root/setup/mgmt-net.yaml
 	sudo docker-compose -p $(DOCKER_PROJECT) -f $(DOCKER_COMPOSE_YML) run xos_ui python /opt/xos/tosca/run.py padmin@vicci.org /root/setup/cord-vtn-vsg.yaml
@@ -53,6 +56,9 @@
 vtn-external.yaml:
 	export SETUPDIR=.; bash ./make-vtn-external-yaml.sh
 
+fabric.yaml:
+	export SETUPDIR=.; bash ./make-fabric-yaml.sh
+
 virtualbng_json:
 	export SETUPDIR=.; bash ./make-virtualbng-json.sh
 
diff --git a/xos/configurations/cord-pod/cord-vtn-vsg.yaml b/xos/configurations/cord-pod/cord-vtn-vsg.yaml
index 8c73799..44d4fbb 100644
--- a/xos/configurations/cord-pod/cord-vtn-vsg.yaml
+++ b/xos/configurations/cord-pod/cord-vtn-vsg.yaml
@@ -69,21 +69,6 @@
               node: addresses_exampleservice-public
               relationship: tosca.relationships.ProvidesAddresses
 
-    service#fabric:
-      type: tosca.nodes.FabricService
-      properties:
-          view_url: /admin/fabric/fabricservice/$id$/
-          replaces: service_fabric
-
-    service#ONOS_Fabric:
-      type: tosca.nodes.ONOSService
-      requirements:
-      properties:
-          kind: onos
-          view_url: /admin/onos/onosservice/$id$/
-          no_container: true
-          rest_hostname: onos-fabric
-          replaces: service_ONOS_Fabric
 
     service#ONOS_CORD:
       type: tosca.nodes.ONOSService
@@ -92,6 +77,13 @@
           no-create: true
           no-update: true
 
+    service#ONOS_Fabric:
+      type: tosca.nodes.ONOSService
+      properties:
+          no-delete: true
+          no-create: true
+          no-update: true
+
     vOLT_ONOS_app:
       type: tosca.nodes.ONOSvOLTApp
       requirements:
diff --git a/xos/configurations/cord-pod/docker-compose-bootstrap.yml b/xos/configurations/cord-pod/docker-compose-bootstrap.yml
index d481767..9f17c42 100644
--- a/xos/configurations/cord-pod/docker-compose-bootstrap.yml
+++ b/xos/configurations/cord-pod/docker-compose-bootstrap.yml
@@ -119,6 +119,21 @@
             max-size: "100k"
             max-file: "5"
 
+xos_synchronizer_fabric:
+    image: xosproject/xos-synchronizer-openstack
+    command: bash -c "sleep 120; python /opt/xos/synchronizers/fabric/fabric-synchronizer.py -C /opt/xos/synchronizers/fabric/fabric_synchronizer_config"
+    labels:
+        org.xosproject.kind: synchronizer
+        org.xosproject.target: fabric
+    links:
+        - xos_db
+    volumes:
+        - .:/root/setup:ro
+    log_driver: "json-file"
+    log_opt:
+            max-size: "100k"
+            max-file: "5"
+
 xos_bootstrap_ui:
     command: python /opt/xos/manage.py runserver 0.0.0.0:81 --insecure --makemigrations
     image: xosproject/xos
@@ -138,4 +153,3 @@
     log_opt:
             max-size: "100k"
             max-file: "5"
-
diff --git a/xos/configurations/cord-pod/make-fabric-yaml.sh b/xos/configurations/cord-pod/make-fabric-yaml.sh
new file mode 100644
index 0000000..a829690
--- /dev/null
+++ b/xos/configurations/cord-pod/make-fabric-yaml.sh
@@ -0,0 +1,71 @@
+FN=$SETUPDIR/fabric.yaml
+
+rm -f $FN
+
+cat >> $FN <<EOF
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+   - custom_types/xos.yaml
+
+description: generate fabric configuration
+
+topology_template:
+  node_templates:
+
+    service#ONOS_Fabric:
+      type: tosca.nodes.ONOSService
+      requirements:
+      properties:
+          kind: onos
+          view_url: /admin/onos/onosservice/\$id$/
+          no_container: true
+          rest_hostname: onos-fabric
+          replaces: service_ONOS_Fabric
+
+    service#fabric:
+      type: tosca.nodes.FabricService
+      properties:
+          view_url: /admin/fabric/fabricservice/\$id\$/
+          replaces: service_fabric
+
+
+EOF
+
+NODES=$( bash -c "source $SETUPDIR/admin-openrc.sh ; nova host-list" |grep compute|awk '{print $2}' )
+I=0
+for NODE in $NODES; do
+    echo $NODE
+    cat >> $FN <<EOF
+    $NODE:
+      type: tosca.nodes.Node
+
+    # Fabric location field for node $NODE
+    ${NODE}_location_tag:
+      type: tosca.nodes.Tag
+      properties:
+          name: location
+          value: of:0000000000000001/1
+      requirements:
+          - target:
+              node: $NODE
+              relationship: tosca.relationships.TagsObject
+          - service:
+              node: service#ONOS_Fabric
+              relationship: tosca.relationships.MemberOfService
+EOF
+done
+
+cat >> $FN <<EOF
+    Fabric_ONOS_app:
+      type: tosca.nodes.ONOSApp
+      requirements:
+          - onos_tenant:
+              node: service#ONOS_Fabric
+              relationship: tosca.relationships.TenantOfService
+          - fabric_service:
+              node: service#fabric
+              relationship: tosca.relationships.UsedByService
+      properties:
+          dependencies: org.onosproject.lldpprovider, org.onosproject.hostprovider, org.onosproject.openflow-base, org.onosproject.openflow, org.onosproject.drivers, org.onosproject.segmentrouting
+EOF
diff --git a/xos/services/fabric/admin.py b/xos/services/fabric/admin.py
index 5dc5923..e372a7d 100644
--- a/xos/services/fabric/admin.py
+++ b/xos/services/fabric/admin.py
@@ -35,7 +35,7 @@
     verbose_name_plural = "Fabric Services"
     list_display = ("backend_status_icon", "name", "enabled")
     list_display_links = ('backend_status_icon', 'name', )
-    fieldsets = [(None, {'fields': ['backend_status_text', 'name','enabled','versionNumber', 'description', "view_url", "icon_url", ],
+    fieldsets = [(None, {'fields': ['backend_status_text', 'name','enabled','versionNumber', 'description', "view_url", "icon_url", "autoconfig", ],
                          'classes':['suit-tab suit-tab-general']})]
     readonly_fields = ('backend_status_text', )
     inlines = [SliceInline,ServiceAttrAsTabInline,ServicePrivilegeInline]
@@ -60,4 +60,3 @@
         return FabricService.get_service_objects_by_user(request.user)
 
 admin.site.register(FabricService, FabricServiceAdmin)
-
diff --git a/xos/services/fabric/models.py b/xos/services/fabric/models.py
index 0bf6a14..bd37416 100644
--- a/xos/services/fabric/models.py
+++ b/xos/services/fabric/models.py
@@ -1,30 +1,16 @@
 from django.db import models
-from core.models import Service, PlCoreBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, Subscriber, NetworkParameter, NetworkParameterType, Port, AddressPool
-from core.models.plcorebase import StrippedCharField
-import os
-from django.db import models, transaction
-from django.forms.models import model_to_dict
-from django.db.models import Q
-from operator import itemgetter, attrgetter, methodcaller
-from core.models import Tag
-from core.models.service import LeastLoadedNodeScheduler
+from core.models import Service
 import traceback
 from xos.exceptions import *
 from xos.config import Config
 
-class ConfigurationError(Exception):
-    pass
-
 FABRIC_KIND = "fabric"
 
-CORD_USE_VTN = getattr(Config(), "networking_use_vtn", False)
-
 class FabricService(Service):
     KIND = FABRIC_KIND
 
     class Meta:
         app_label = "fabric"
         verbose_name = "Fabric Service"
-        proxy = True
 
-
+    autoconfig = models.BooleanField(default=True, help_text="Autoconfigure the fabric")
diff --git a/xos/synchronizers/fabric/fabric-synchronizer.py b/xos/synchronizers/fabric/fabric-synchronizer.py
new file mode 100755
index 0000000..84bec4f
--- /dev/null
+++ b/xos/synchronizers/fabric/fabric-synchronizer.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+
+# This imports and runs ../../xos-observer.py
+
+import importlib
+import os
+import sys
+observer_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),"../../synchronizers/base")
+sys.path.append(observer_path)
+mod = importlib.import_module("xos-synchronizer")
+mod.main()
diff --git a/xos/synchronizers/fabric/fabric_synchronizer_config b/xos/synchronizers/fabric/fabric_synchronizer_config
new file mode 100644
index 0000000..2ed56fe
--- /dev/null
+++ b/xos/synchronizers/fabric/fabric_synchronizer_config
@@ -0,0 +1,23 @@
+# Required by XOS
+[db]
+name=xos
+user=postgres
+password=password
+host=localhost
+port=5432
+
+# Required by XOS
+[api]
+nova_enabled=True
+
+# Sets options for the synchronizer
+[observer]
+name=fabric
+dependency_graph=/opt/xos/synchronizers/fabric/model-deps
+steps_dir=/opt/xos/synchronizers/fabric/steps
+sys_dir=/opt/xos/synchronizers/fabric/sys
+logfile=console
+pretend=False
+backoff_disabled=True
+save_ansible_output=True
+proxy_ssh=False
diff --git a/xos/synchronizers/fabric/model-deps b/xos/synchronizers/fabric/model-deps
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/xos/synchronizers/fabric/model-deps
@@ -0,0 +1 @@
+{}
diff --git a/xos/synchronizers/fabric/run.sh b/xos/synchronizers/fabric/run.sh
new file mode 100755
index 0000000..4e0c214
--- /dev/null
+++ b/xos/synchronizers/fabric/run.sh
@@ -0,0 +1,2 @@
+export XOS_DIR=/opt/xos
+python fabric-synchronizer.py  -C $XOS_DIR/synchronizers/fabric/fabric_synchronizer_config
diff --git a/xos/synchronizers/fabric/start.sh b/xos/synchronizers/fabric/start.sh
new file mode 100755
index 0000000..8d02bf3
--- /dev/null
+++ b/xos/synchronizers/fabric/start.sh
@@ -0,0 +1,2 @@
+export XOS_DIR=/opt/xos
+nohup python fabric-synchronizer.py  -C $XOS_DIR/synchronizers/fabric/fabric_synchronizer_config > /dev/null 2>&1 &
diff --git a/xos/synchronizers/fabric/steps/sync_host.yaml b/xos/synchronizers/fabric/steps/sync_host.yaml
new file mode 100644
index 0000000..58bccba
--- /dev/null
+++ b/xos/synchronizers/fabric/steps/sync_host.yaml
@@ -0,0 +1,20 @@
+---
+- hosts: 127.0.0.1
+  connection: local
+  vars:
+    rest_hostname: {{ rest_hostname }}
+    rest_port: {{ rest_port }}
+    rest_endpoint: {{ rest_endpoint }}
+    rest_json: '{{ rest_json }}'
+
+  tasks:
+  - debug: var=rest_json
+
+  - name: Call Fabric REST API
+    uri:
+      url: http://{{ '{{' }} rest_hostname {{ '}}' }}:{{ '{{' }} rest_port {{ '}}' }}/{{ '{{' }} rest_endpoint {{ '}}' }} #http://localhost:8181/onos/v1/network/configuration/
+      body: "{{ '{{' }} rest_json {{ '}}' }}"
+      body_format: raw
+      method: POST
+      user: karaf
+      password: karaf
diff --git a/xos/synchronizers/fabric/steps/sync_vroutertenant.py b/xos/synchronizers/fabric/steps/sync_vroutertenant.py
new file mode 100644
index 0000000..fd77ca2
--- /dev/null
+++ b/xos/synchronizers/fabric/steps/sync_vroutertenant.py
@@ -0,0 +1,103 @@
+import os
+import base64
+from collections import defaultdict
+from django.db.models import F, Q
+from xos.config import Config
+from synchronizers.base.openstacksyncstep import OpenStackSyncStep
+from synchronizers.base.syncstep import *
+from core.models import Controller
+from core.models import Image, ControllerImages
+from xos.logger import observer_logger as logger
+from synchronizers.base.ansible import *
+from services.vrouter.models import VRouterTenant
+from services.onos.models import ONOSService
+from services.fabric.models import FabricService
+import json
+
+class SyncVRouterTenant(SyncStep):
+    provides=[VRouterTenant]
+    observes = VRouterTenant
+    requested_interval=30
+    playbook='sync_host.yaml'
+
+    def get_fabric_onos_service(self):
+        fos = None
+        fs = FabricService.get_service_objects().all()[0]
+        if fs.subscribed_tenants.exists():
+            app = fs.subscribed_tenants.all()[0]
+            if app.provider_service:
+                ps = app.provider_service
+                fos = ONOSService.get_service_objects().filter(id=ps.id)[0]
+        return fos
+
+    def get_node_tag(self, node, tagname):
+        tags = Tag.select_by_content_object(node).filter(name=tagname)
+        return tags[0].value
+
+    def fetch_pending(self, deleted):
+        fs = FabricService.get_service_objects().all()[0]
+        if not fs.autoconfig:
+            return None
+
+        if (not deleted):
+            objs = VRouterTenant.get_tenant_objects().filter(Q(lazy_blocked=False))
+        else:
+            objs = VRouterTenant.get_deleted_tenant_objects()
+
+        return objs
+
+    def map_sync_inputs(self, vroutertenant):
+
+        fos = self.get_fabric_onos_service()
+
+        name = None
+        instance = None
+        # VRouterTenant setup is kind of hacky right now, we'll
+        # need to revisit.  The idea is:
+        # * Look up the instance corresponding to the address
+        # * Look up the node running the instance
+        # * Get the "location" tag, push to the fabric
+        #
+        # Do we have a vCPE subscriber_tenant?
+        if (vroutertenant.subscriber_tenant):
+            sub = vroutertenant.subscriber_tenant
+            if (sub.kind == 'vCPE'):
+                instance_id = sub.get_attribute("instance_id")
+                if instance_id:
+                    instance = Instance.objects.filter(id=instance_id)[0]
+                    name = str(sub)
+        else:
+            # Maybe the VRouterTenant is for an instance
+            instance_id = vroutertenant.get_attribute("tenant_for_instance_id")
+            if instance_id: 
+                instance = Instance.objects.filter(id=instance_id)[0]
+                name = str(instance)
+
+        node = instance.node
+        location = self.get_node_tag(node, "location")
+
+        # Is it a POST or DELETE?
+
+        # Create JSON
+        data = {
+            "%s/-1"%vroutertenant.public_mac : {
+                "basic" : {
+                    "ips" : [ vroutertenant.public_ip ],
+                    "location" : location
+                }
+            }
+        }
+
+        rest_json = json.dumps(data, indent=4)
+
+        fields = {
+            'rest_hostname': fos.rest_hostname,
+            'rest_port': fos.rest_port,
+            'rest_json': rest_json,
+            'rest_endpoint': "onos/v1/network/configuration/hosts",
+            'ansible_tag': '%s'%name, # name of ansible playbook
+        }
+        return fields
+
+    def map_sync_outputs(self, controller_image, res):
+        pass
diff --git a/xos/synchronizers/fabric/stop.sh b/xos/synchronizers/fabric/stop.sh
new file mode 100755
index 0000000..d35b057
--- /dev/null
+++ b/xos/synchronizers/fabric/stop.sh
@@ -0,0 +1 @@
+pkill -9 -f fabric-synchronizer.py