Add support for service metadata. fixes gmr#117

Author: Imaclean74

consulate/api/agent.py

@@ -198,6 +198,7 @@ def register(self,
                      address=None,
                      port=None,
                      tags=None,
+                     meta=None,
                      check=None,
                      checks=None,
                      enable_tag_override=None):
@@ -208,6 +209,7 @@ def register(self,
             :param str address: The service IP address
             :param int port: The service port
             :param list tags: A list of tags for the service
+            :param list meta: A list of KV pairs for the service
             :param check: An optional check definition for the service
             :type check: :class:`consulate.models.agent.Check`
             :param checks: A list of check definitions for the service
@@ -221,7 +223,7 @@ def register(self,
                 ['register'], None,
                 dict(models.Service(
                     name=name, id=service_id, address=address, port=port,
-                    tags=tags, check=check, checks=checks,
+                    tags=tags, meta=meta, check=check, checks=checks,
                     enable_tag_override=enable_tag_override)))
 
         def deregister(self, service_id):

consulate/models/agent.py

@@ -194,7 +194,7 @@ def __init__(self, **kwargs):
 class Service(base.Model):
     """Model for making Check API requests to Consul."""
 
-    __slots__ = ['id', 'name', 'tags', 'address', 'port', 'check',
+    __slots__ = ['id', 'name', 'tags', 'meta', 'address', 'port', 'check',
                  'checks', 'enable_tag_override']
 
     __attributes__ = {
@@ -212,6 +212,13 @@ class Service(base.Model):
             'type': list,
             'validator': lambda t, _m: all([isinstance(v, str) for v in t])
         },
+        'meta': {
+            'key': 'Meta',
+            'type': dict,
+            'validator': lambda h, _m: all(
+                [(isinstance(k, str) and isinstance(v, str))
+                 for k, v in h.items()]),
+        },
         'address': {
             'key': 'Address',
             'type': str

tests/agent_tests.py

@@ -95,13 +95,13 @@ def test_self_forbidden(self):
 
     def test_service_registration(self):
         self.consul.agent.service.register(
-            'test-service', address='10.0.0.1', port=5672, tags=['foo', 'bar'])
+            'test-service', address='10.0.0.1', port=5672, tags=['foo', 'bar'], meta={'foo' : 'bar' })
         self.assertIn('test-service', self.consul.agent.services())
         self.consul.agent.service.deregister('test-service')
 
     def test_service_maintenance(self):
         self.consul.agent.service.register(
-            'test-service', address='10.0.0.1', port=5672, tags=['foo', 'bar'])
+            'test-service', address='10.0.0.1', port=5672, tags=['foo', 'bar'], meta={'foo' : 'bar' } )
         self.assertIn('test-service', self.consul.agent.services())
         reason = 'Down for Acceptance'
         self.consul.agent.service.maintenance('test-service', reason=reason)