samples: refactored samples to v2 (GoogleCloudPlatform#4820)

* samples: refactored samples to v2

* fixed manager samples

* updated

* added missing part

* removed TODO

* changed topcs

* made requested changes

* lint

Co-authored-by: Charles Engelke <engelke@google.com>

Author: munkhuushmgl

iot/api-client/end_to_end_example/cloudiot_pubsub_example_server_test.py

@@ -20,7 +20,7 @@
 
 cloud_region = 'us-central1'
 device_id_template = 'test-device-{}'
-topic_id = 'test-device-events-{}'.format(int(time.time()))
+topic_id = 'test-device-events-topic-{}'.format(int(time.time()))
 
 project_id = os.environ['GOOGLE_CLOUD_PROJECT']
 service_account_json = os.environ['GOOGLE_APPLICATION_CREDENTIALS']

iot/api-client/gcs_file_to_device/requirements.txt

@@ -1,7 +1,7 @@
 google-api-python-client==1.12.2
 google-auth==1.22.1
 google-auth-httplib2==0.0.4
-google-cloud-iot==1.0.0
+google-cloud-iot==2.0.1
 google-cloud-pubsub==1.7.0
 google-cloud-storage==1.31.2
 cryptography==3.1.1

iot/api-client/http_example/cloudiot_http_example_test.py

@@ -31,7 +31,7 @@
 es_cert_path = 'resources/ec_public.pem'
 rsa_cert_path = 'resources/rsa_cert.pem'
 rsa_private_path = 'resources/rsa_private.pem'
-topic_id = 'test-device-events-{}'.format(int(time.time()))
+topic_id = 'test-device-events-topic-{}'.format(int(time.time()))
 
 project_id = os.environ['GOOGLE_CLOUD_PROJECT']
 service_account_json = os.environ['GOOGLE_APPLICATION_CREDENTIALS']

iot/api-client/http_example/requirements.txt

@@ -2,7 +2,7 @@ cryptography==3.1.1
 google-api-python-client==1.12.2
 google-auth-httplib2==0.0.4
 google-auth==1.22.1
-google-cloud-iot==1.0.0
+google-cloud-iot==2.0.1
 google-cloud-pubsub==1.7.0
 pyjwt==1.7.1
 requests==2.24.0