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#!/usr/bin/env python
# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
"""
Examples to show how to create EventHubProducerClient/EventHubConsumerClient.
"""
import os
from azure.eventhub import EventHubProducerClient, EventHubConsumerClient, TransportType, EventHubSharedKeyCredential
CONNECTION_STRING = os.environ["EVENT_HUB_CONN_STR"]
FULLY_QUALIFIED_NAMESPACE = os.environ["EVENT_HUB_HOSTNAME"]
EVENTHUB_NAME = os.environ["EVENT_HUB_NAME"]
SAS_POLICY = os.environ["EVENT_HUB_SAS_POLICY"]
SAS_KEY = os.environ["EVENT_HUB_SAS_KEY"]
CONSUMER_GROUP = "$Default"
def create_producer_client():
print("Examples showing how to create producer client.")
# Create producer client from connection string.
producer_client = EventHubProducerClient.from_connection_string(
conn_str=CONNECTION_STRING # connection string contains EventHub name.
)
# Illustration of commonly used parameters.
producer_client = EventHubProducerClient.from_connection_string(
conn_str=CONNECTION_STRING,
eventhub_name=EVENTHUB_NAME, # EventHub name should be specified if it doesn't show up in connection string.
logging_enable=False, # To enable network tracing log, set logging_enable to True.
retry_total=3, # Retry up to 3 times to re-do failed operations.
transport_type=TransportType.Amqp, # Use Amqp as the underlying transport protocol.
)
# Create producer client from constructor.
producer_client = EventHubProducerClient(
fully_qualified_namespace=FULLY_QUALIFIED_NAMESPACE,
eventhub_name=EVENTHUB_NAME,
credential=EventHubSharedKeyCredential(policy=SAS_POLICY, key=SAS_KEY),
logging_enable=False, # To enable network tracing log, set logging_enable to True.
retry_total=3, # Retry up to 3 times to re-do failed operations.
transport_type=TransportType.Amqp, # Use Amqp as the underlying transport protocol.
)
print("Calling producer client get eventhub properties:", producer_client.get_eventhub_properties())
def create_consumer_client():
print("Examples showing how to create consumer client.")
# Create consumer client from connection string.
consumer_client = EventHubConsumerClient.from_connection_string(
conn_str=CONNECTION_STRING, consumer_group=CONSUMER_GROUP # connection string contains EventHub name.
)
# Illustration of commonly used parameters.
consumer_client = EventHubConsumerClient.from_connection_string(
conn_str=CONNECTION_STRING,
consumer_group=CONSUMER_GROUP,
eventhub_name=EVENTHUB_NAME, # EventHub name should be specified if it doesn't show up in connection string.
logging_enable=False, # To enable network tracing log, set logging_enable to True.
retry_total=3, # Retry up to 3 times to re-do failed operations.
transport_type=TransportType.Amqp, # Use Amqp as the underlying transport protocol.
)
# Create consumer client from constructor.
consumer_client = EventHubConsumerClient(
fully_qualified_namespace=FULLY_QUALIFIED_NAMESPACE,
eventhub_name=EVENTHUB_NAME,
consumer_group=CONSUMER_GROUP,
credential=EventHubSharedKeyCredential(policy=SAS_POLICY, key=SAS_KEY),
logging_enable=False, # To enable network tracing log, set logging_enable to True.
retry_total=3, # Retry up to 3 times to re-do failed operations.
transport_type=TransportType.Amqp, # Use Amqp as the underlying transport protocol.
)
print("Calling consumer client get eventhub properties:", consumer_client.get_eventhub_properties())
create_producer_client()
create_consumer_client()
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