Liakaz/inference read ssl from file

src/k8s-extension/azext_k8s_extension/partner_extensions/AzureMLKubernetes.py

@@ -225,12 +225,12 @@ def __set_up_inference_ssl(self, configuration_settings, configuration_protected
             with open(feSslCertFile) as f:
                 cert_data = f.read()
                 cert_data_bytes = cert_data.encode("ascii")
-                ssl_cert = base64.b64encode(cert_data_bytes)
+                ssl_cert = base64.b64encode(cert_data_bytes).decode()
                 configuration_protected_settings['scoringFe.sslCert'] = ssl_cert
             with open(feSslKeyFile) as f:
                 key_data = f.read()
                 key_data_bytes = key_data.encode("ascii")
-                ssl_key = base64.b64encode(key_data_bytes)
+                ssl_key = base64.b64encode(key_data_bytes).decode()
                 configuration_protected_settings['scoringFe.sslKey'] = ssl_key
         else:
             logger.warning(

src/k8s-extension/azext_k8s_extension/tests/latest/test_azureml_extension.py

@@ -25,7 +25,7 @@ def test_set_up_inference_ssl(self):
         self.assertTrue('scoringFe.sslCert' in protected_config)
         self.assertTrue('scoringFe.sslKey' in protected_config)
         encoded_cert_and_key_file = os.path.join(TEST_DIR, 'data', 'azure_ml', 'cert_and_key_encoded.txt')
-        with open(encoded_cert_and_key_file, "rb") as text_file:
+        with open(encoded_cert_and_key_file, "r") as text_file:
             cert = text_file.readline().rstrip()
             self.assertEquals(cert, protected_config['scoringFe.sslCert'])
             key = text_file.readline()