director provides a new relations for pg-vip etc

config.yaml

@@ -3,6 +3,14 @@ options:
     default: 192.168.100.250
     type: string
     description: IP address of the Director's Management interface. Same IP can be used to access PG Console.
+  plumgrid-username:
+    default: plumgrid
+    type: string
+    description: Username to access PLUMgrid Director
+  plumgrid-password:
+    default: plumgrid
+    type: string
+    description: Password to access PLUMgrid Director
   lcm-ssh-key:
     default: 'null'
     type: string

hooks/pg_dir_hooks.py

@@ -87,6 +87,19 @@ def plumgrid_joined(relation_id=None):
         relation_set(relation_id=relation_id, opsvm_ip=opsvm_ip)
 
 
+@hooks.hook('plumgrid-configs-relation-joined')
+def plumgrid_configs_joined(relation_id=None):
+    '''
+    This hook is run when relation with neutron-api-plumgrid is created.
+    '''
+    relation_settings = {
+        'plumgrid_virtual_ip': config('plumgrid-virtual-ip'),
+        'plumgrid_username': config('plumgrid-username'),
+        'plumgrid_password': config('plumgrid-password'),
+    }
+    relation_set(relation_id=relation_id, relation_settings=relation_settings)
+
+
 @hooks.hook('config-changed')
 def config_changed():
     '''
@@ -108,6 +121,12 @@ def config_changed():
     if charm_config.changed('plumgrid-virtual-ip'):
         CONFIGS.write_all()
         stop_pg()
+        for rid in relation_ids('plumgrid-configs'):
+            plumgrid_configs_joined(rid)
+    if (charm_config.changed('plumgrid-username') or
+            charm_config.changed('plumgrid-password')):
+        for rid in relation_ids('plumgrid-configs'):
+            plumgrid_configs_joined(rid)
     if (charm_config.changed('install_sources') or
         charm_config.changed('plumgrid-build') or
         charm_config.changed('install_keys') or

metadata.yaml

@@ -15,6 +15,8 @@ requires:
 provides:
   plumgrid:
     interface: plumgrid
+  plumgrid-configs:
+    interface: plumgrid-configs
 peers:
   director:
     interface: director