Merge pull request GoogleCloudPlatform#1365 from GoogleCloudPlatform/mqtt-tls12

Device samples changes

Author: gguuss

iot/api-client/http_example/cloudiot_http_example.py

@@ -31,7 +31,7 @@
 import jwt
 import requests
 
-_BASE_URL = 'https://cloudiot-device.googleapis.com/v1beta1'
+_BASE_URL = 'https://cloudiotdevice.googleapis.com/v1'
 _BACKOFF_DURATION = 60
 
 

iot/api-client/http_example/cloudiot_http_example_test.py

@@ -39,7 +39,7 @@
 pubsub_topic = 'projects/{}/topics/{}'.format(project_id, topic_id)
 registry_id = 'test-registry-{}'.format(int(time.time()))
 
-_BASE_URL = 'https://cloudiot-device.googleapis.com/v1beta1'
+_BASE_URL = 'https://cloudiotdevice.googleapis.com/v1'
 
 
 @pytest.fixture(scope='module')

iot/api-client/mqtt_example/cloudiot_mqtt_example.py

@@ -25,6 +25,7 @@
 import datetime
 import os
 import random
+import ssl
 import time
 
 import jwt
@@ -137,7 +138,7 @@ def get_client(
                     project_id, private_key_file, algorithm))
 
     # Enable SSL/TLS support.
-    client.tls_set(ca_certs=ca_certs)
+    client.tls_set(ca_certs=ca_certs, tls_version=ssl.PROTOCOL_TLSv1_2)
 
     # Register message callbacks. https://eclipse.org/paho/clients/python/docs/
     # describes additional callbacks that Paho supports. In this example, the