add Vendor model to select flavor/image at Tenant creation

Change-Id: Ic2a3efe73c74b54eb9b8e87d041a700556f68166
diff --git a/xos/models.py b/xos/models.py
index 215d71a..afd3194 100644
--- a/xos/models.py
+++ b/xos/models.py
@@ -1,5 +1,6 @@
 from core.models.plcorebase import *
 from models_decl import VMMService_decl
+from models_decl import VMMVendor_decl
 from models_decl import VMMTenant_decl
 
 from django.db import models
@@ -25,6 +26,10 @@
        t.save()
        return t
 
+class VMMVendor(VMMVendor_decl):
+   class Meta:
+       proxy = True
+
 class VMMTenant(VMMTenant_decl):
    class Meta:
         proxy = True 
@@ -36,6 +41,17 @@
                    "provider_service").default = vmmservice[0].id
        super(VMMTenant, self).__init__(*args, **kwargs)
 
+   @property
+   def image(self):
+       if not self.vmm_vendor:
+           return super(VMMTenant, self).image
+       return self.vmm_vendor.image
+   
+   def save_instance(self, instance):
+       if self.vmm_vendor:
+           instance.flavor = self.vmm_vendor.flavor
+       super(VMMTenant, self).save_instance(instance)
+
    def save(self, *args, **kwargs):
        if not self.creator:
            if not getattr(self, "caller", None):
diff --git a/xos/synchronizer/steps/sync_vmmtenant.py b/xos/synchronizer/steps/sync_vmmtenant.py
index 44458be..e73baea 100644
--- a/xos/synchronizer/steps/sync_vmmtenant.py
+++ b/xos/synchronizer/steps/sync_vmmtenant.py
@@ -8,7 +8,6 @@
 sys.path.insert(0, parentdir)
 
 class SyncVMMTenant(SyncInstanceUsingAnsible):
-
     provides = [VMMTenant]
 
     observes = VMMTenant
@@ -23,7 +22,6 @@
         super(SyncVMMTenant, self).__init__(*args, **kwargs)
 
     def fetch_pending(self, deleted):
-
         if (not deleted):
             objs = VMMTenant.get_tenant_objects().filter(
                 Q(enacted__lt=F('updated')) | Q(enacted=None), Q(lazy_blocked=False))
@@ -33,10 +31,3 @@
 
         return objs
 
-    # Gets the attributes that are used by the Ansible template but are not
-    # part of the set of default attributes.
-    def get_extra_attributes(self, o):
-        fields = {}
-        fields['tenant_message'] = o.tenant_message
-        return fields
-
diff --git a/xos/synchronizer/steps/vmmtenant_playbook.yaml b/xos/synchronizer/steps/vmmtenant_playbook.yaml
index 699448d..43a247e 100644
--- a/xos/synchronizer/steps/vmmtenant_playbook.yaml
+++ b/xos/synchronizer/steps/vmmtenant_playbook.yaml
@@ -6,7 +6,4 @@
   sudo: yes 
   tasks: 
   vars:
-    - tenant_message: "{{ tenant_message }}" 
 
- # - name: write message
- #   shell: echo "{{ tenant_message }}" > /var/tmp/index.html
diff --git a/xos/tosca/custom_types/vmm.m4 b/xos/tosca/custom_types/vmm.m4
index 512a2ba..cb065e2 100644
--- a/xos/tosca/custom_types/vmm.m4
+++ b/xos/tosca/custom_types/vmm.m4
@@ -23,3 +23,18 @@
         properties:
             xos_base_tenant_props
 
+    tosca.nodes.VMMVendor:
+        derived_from: tosca.nodes.Root
+        description: >
+            VMM Vendor
+        capabilities:
+            xos_bas_service_caps
+        properties:
+            name:
+                type: string
+                required: true
+
+    tosca.relationships.VendorOfTenant:
+           derived_from: tosca.relationships.Root
+           valid_target_types: [ tosca.capabilities.xos.VMMTenant ]
+
diff --git a/xos/tosca/custom_types/vmm.yaml b/xos/tosca/custom_types/vmm.yaml
index 7f01059..185359e 100644
--- a/xos/tosca/custom_types/vmm.yaml
+++ b/xos/tosca/custom_types/vmm.yaml
@@ -93,3 +93,18 @@
                 required: false
                 description: Service specific ID opaque to XOS but meaningful to service
 
+    tosca.nodes.VMMVendor:
+        derived_from: tosca.nodes.Root
+        description: >
+            VMM Vendor
+        capabilities:
+            xos_bas_service_caps
+        properties:
+            name:
+                type: string
+                required: true
+
+    tosca.relationships.VendorOfTenant:
+           derived_from: tosca.relationships.Root
+           valid_target_types: [ tosca.capabilities.xos.VMMTenant ]
+
diff --git a/xos/tosca/resources/vmmvendor.py b/xos/tosca/resources/vmmvendor.py
new file mode 100644
index 0000000..508d21c
--- /dev/null
+++ b/xos/tosca/resources/vmmvendor.py
@@ -0,0 +1,33 @@
+from xosresource import XOSResource
+from core.models import Tenant
+from services.vmm.models import VMMVendor
+
+class XOSVMMVendor(XOSResource):
+    provides = "tosca.nodes.VMMVendor"
+    xos_model = VMMVendor
+    name_field = None
+    copyin_props = ( "name",)
+
+    def get_xos_args(self, throw_exception=True):
+        args = super(XOSVMMVendor, self).get_xos_args()
+
+        tenant_name = self.get_requirement("tosca.relationships.VendorOfTenant", throw_exception=throw_exception)
+        if tenant_name:
+            args["provider_tenant"] = self.get_xos_object(Tenant, throw_exception=throw_exception, name=tenant_name)
+
+        return args
+
+    def get_existing_objs(self):
+        args = self.get_xos_args(throw_exception=False)
+        provider_tenant = args.get("provider", None)
+        if provider_tenant:
+            return [ self.get_xos_object(provider_tenant=provider_tenant) ]
+        return []
+
+    def postprocess(self, obj):
+        pass
+
+    def can_delete(self, obj):
+        return super(XOSVMMVendor, self).can_delete(obj)
+
+
diff --git a/xos/vmm-onboard.yaml b/xos/vmm-onboard.yaml
index 574c56b..d8b9dd9 100644
--- a/xos/vmm-onboard.yaml
+++ b/xos/vmm-onboard.yaml
@@ -17,6 +17,6 @@
           tosca_custom_types: tosca/custom_types/vmm.yaml
           synchronizer: synchronizer/manifest
           synchronizer_run: vmm-synchronizer.py
-          tosca_resource: tosca/resources/vmmtenant.py, tosca/resources/vmmservice.py
+          tosca_resource: tosca/resources/vmmtenant.py, tosca/resources/vmmservice.py, tosca/resources/vmmvendor.py
           private_key: file:///opt/xos/key_import/mcord_rsa
           public_key: file:///opt/xos/key_import/mcord_rsa.pub
diff --git a/xos/vmm.xproto b/xos/vmm.xproto
index 64bd937..37a025d 100644
--- a/xos/vmm.xproto
+++ b/xos/vmm.xproto
@@ -9,7 +9,16 @@
     option verbose_name = "Virtual Mobility Management Service";
 }
 
+message VMMVendor (PlCoreBase){
+    option name = "VMMVendor";
+    option verbose_name = "Virtual Mobility Management Vendor";
+    required string name = 1 [help_text = "vendor name", max_length = 32, null = False, db_index = False, blank = False]; 
+    required manytoone image->Image:+ = 2 [help_text = "select image for this vendor", db_index = True, null = False, blank = False];
+    required manytoone flavor->Flavor:+ = 3 [help_text = "select openstack flavor for vendor image", db_index = True, null = False, blank = False];
+}
+
 message VMMTenant (TenantWithContainer){
-     option name = "VMMTenant";
-     option verbose_name = "Virtual Mobility Management Tenant";
+    option name = "VMMTenant";
+    option verbose_name = "Virtual Mobility Management Tenant";
+    optional manytoone vmm_vendor->VMMVendor:vendor_tenants = 1 [help_text = "select vendor of choice, leave blank for slice default", db_index = True, null = True, blank = True];
 }