Add User-Agent header to Dyn monitors

octodns/provider/dyn.py

@@ -450,6 +450,7 @@ class DynProvider(BaseProvider):
             monitor = DSFMonitor(fqdn, protocol='HTTPS', response_count=2,
                                  probe_interval=60, retries=2, port=443,
                                  active='Y', host=fqdn[:-1], timeout=10,
+                                 header='User-Agent: Dyn Monitor',
                                  path='/_dns')
             self._traffic_director_monitors[fqdn] = monitor
             return monitor

tests/test_octodns_provider_dyn.py

@@ -533,7 +533,7 @@ class TestDynProviderGeo(TestCase):
             'notifier': '',
             'options': {
                 'expected': '',
-                'header': '',
+                'header': 'User-Agent: Dyn Monitor',
                 'host': 'unit.tests',
                 'path': '/_dns',
                 'port': '443',
@@ -649,7 +649,7 @@ class TestDynProviderGeo(TestCase):
                 u'notifier': u'',
                 u'options': {
                     u'expected': u'',
-                    u'header': u'',
+                    'header': 'User-Agent: Dyn Monitor',
                     u'host': u'geo.unit.tests.',
                     u'path': u'/_dns',
                     u'port': u'443',
@@ -684,6 +684,7 @@ class TestDynProviderGeo(TestCase):
                 'options': {
                     'path': u'/_dns',
                     'host': u'geo.unit.tests',
+                    'header': 'User-Agent: Dyn Monitor',
                     'port': 443,
                     'timeout': 10
                 }