Track client address on checkin

When doing DHCP deployment in particular, it's good to track what the actual ip was.

confluent_server/confluent/config/attributes.py

@@ -215,6 +215,9 @@ node = {
                         'Using this requires that collective members be '
                         'defined as nodes for noderange expansion')
     },
+    'deployment.client_ip': {
+        'description': ('Client IP used when most recently reporting state.')
+    },
     'deployment.lock': {
         'description': ('Indicates whether deployment actions should be impeded. '
                         'If locked, it indicates that a pending profile should not be applied. '

confluent_server/confluent/selfservice.py

@@ -466,6 +466,9 @@ def handle_request(env, start_response):
         statusstr = update.get('state', None)
         statusdetail = update.get('state_detail', None)
         didstateupdate = False
+        if statusstr or 'status' in update:
+            cfg.set_node_attributes({nodename: {
+                'deployment.client_ip': {'value': clientip}}})
         if statusstr:
             cfg.set_node_attributes({nodename: {'deployment.state': statusstr}})
             didstateupdate = True