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# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations
from collections.abc import Sequence
from typing import TYPE_CHECKING, Any, Callable
from azure.core.exceptions import ResourceNotFoundError
from airflow.models import BaseOperator
from airflow.providers.microsoft.azure.hooks.asb import AdminClientHook, MessageHook
if TYPE_CHECKING:
import datetime
from azure.servicebus import ServiceBusMessage
from azure.servicebus.management import AuthorizationRule, CorrelationRuleFilter, SqlRuleFilter
from airflow.utils.context import Context
[docs] MessageCallback = Callable[[ServiceBusMessage, Context], None]
[docs]class AzureServiceBusCreateQueueOperator(BaseOperator):
"""
Create a Azure Service Bus queue under a Service Bus Namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusCreateQueueOperator`
:param queue_name: The name of the queue. should be unique.
:param max_delivery_count: The maximum delivery count. A message is automatically
dead lettered after this number of deliveries. Default value is 10..
:param dead_lettering_on_message_expiration: A value that indicates whether this subscription has
dead letter support when a message expires.
:param enable_batched_operations: Value that indicates whether server-side batched
operations are enabled.
:param azure_service_bus_conn_id: Reference to the
:ref:`Azure Service Bus connection<howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("queue_name",)
def __init__(
self,
*,
queue_name: str,
max_delivery_count: int = 10,
dead_lettering_on_message_expiration: bool = True,
enable_batched_operations: bool = True,
azure_service_bus_conn_id: str = "azure_service_bus_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.queue_name = queue_name
self.max_delivery_count = max_delivery_count
self.dead_lettering_on_message_expiration = dead_lettering_on_message_expiration
self.enable_batched_operations = enable_batched_operations
self.azure_service_bus_conn_id = azure_service_bus_conn_id
[docs] def execute(self, context: Context) -> None:
"""Create Queue in Azure Service Bus namespace, by connecting to Service Bus Admin client in hook."""
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
# create queue with name
queue = hook.create_queue(
self.queue_name,
self.max_delivery_count,
self.dead_lettering_on_message_expiration,
self.enable_batched_operations,
)
self.log.info("Created Queue %s", queue.name)
[docs]class AzureServiceBusSendMessageOperator(BaseOperator):
"""
Send Message or batch message to the Service Bus queue.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusSendMessageOperator`
:param queue_name: The name of the queue. should be unique.
:param message: Message which needs to be sent to the queue. It can be string or list of string.
:param batch: Its boolean flag by default it is set to False, if the message needs to be sent
as batch message it can be set to True.
:param azure_service_bus_conn_id: Reference to the
:ref: `Azure Service Bus connection<howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("queue_name",)
def __init__(
self,
*,
queue_name: str,
message: str | list[str],
batch: bool = False,
azure_service_bus_conn_id: str = "azure_service_bus_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.queue_name = queue_name
self.batch = batch
self.message = message
self.azure_service_bus_conn_id = azure_service_bus_conn_id
[docs] def execute(self, context: Context) -> None:
"""Send Message to the specific queue in Service Bus namespace."""
# Create the hook
hook = MessageHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
# send message
hook.send_message(self.queue_name, self.message, self.batch)
[docs]class AzureServiceBusReceiveMessageOperator(BaseOperator):
"""
Receive a batch of messages at once in a specified Queue name.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusReceiveMessageOperator`
:param queue_name: The name of the queue name or a QueueProperties with name.
:param max_message_count: Maximum number of messages in the batch.
:param max_wait_time: Maximum time to wait in seconds for the first message to arrive.
:param azure_service_bus_conn_id: Reference to the
:ref: `Azure Service Bus connection <howto/connection:azure_service_bus>`.
:param message_callback: Optional callback to process each message. If not provided, then
the message will be logged and completed. If provided, and throws an exception, the
message will be abandoned for future redelivery.
"""
[docs] template_fields: Sequence[str] = ("queue_name",)
def __init__(
self,
*,
queue_name: str,
azure_service_bus_conn_id: str = "azure_service_bus_default",
max_message_count: int = 10,
max_wait_time: float = 5,
message_callback: MessageCallback | None = None,
**kwargs,
) -> None:
super().__init__(**kwargs)
self.queue_name = queue_name
self.azure_service_bus_conn_id = azure_service_bus_conn_id
self.max_message_count = max_message_count
self.max_wait_time = max_wait_time
self.message_callback = message_callback
[docs] def execute(self, context: Context) -> None:
"""Receive Message in specific queue in Service Bus namespace by connecting to Service Bus client."""
# Create the hook
hook = MessageHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
# Receive message
hook.receive_message(
self.queue_name,
context,
max_message_count=self.max_message_count,
max_wait_time=self.max_wait_time,
message_callback=self.message_callback,
)
[docs]class AzureServiceBusDeleteQueueOperator(BaseOperator):
"""
Delete the Queue in the Azure Service Bus namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusDeleteQueueOperator`
:param queue_name: The name of the queue in Service Bus namespace.
:param azure_service_bus_conn_id: Reference to the
:ref: `Azure Service Bus connection <howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("queue_name",)
def __init__(
self,
*,
queue_name: str,
azure_service_bus_conn_id: str = "azure_service_bus_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.queue_name = queue_name
self.azure_service_bus_conn_id = azure_service_bus_conn_id
[docs] def execute(self, context: Context) -> None:
"""Delete Queue in Service Bus namespace, by connecting to Service Bus Admin client."""
# Create the hook
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
# delete queue with name
hook.delete_queue(self.queue_name)
[docs]class AzureServiceBusTopicCreateOperator(BaseOperator):
"""
Create an Azure Service Bus Topic under a Service Bus Namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusTopicCreateOperator`
:param topic_name: Name of the topic.
:param default_message_time_to_live: ISO 8601 default message time span to live value. This is
the duration after which the message expires, starting from when the message is sent to Service
Bus. This is the default value used when TimeToLive is not set on a message itself.
Input value of either type ~datetime.timedelta or string in ISO 8601 duration format
like "PT300S" is accepted.
:param max_size_in_megabytes: The maximum size of the topic in megabytes, which is the size of
memory allocated for the topic.
:param requires_duplicate_detection: A value indicating if this topic requires duplicate
detection.
:param duplicate_detection_history_time_window: ISO 8601 time span structure that defines the
duration of the duplicate detection history. The default value is 10 minutes.
Input value of either type ~datetime.timedelta or string in ISO 8601 duration format
like "PT300S" is accepted.
:param enable_batched_operations: Value that indicates whether server-side batched operations
are enabled.
:param size_in_bytes: The size of the topic, in bytes.
:param filtering_messages_before_publishing: Filter messages before publishing.
:param authorization_rules: List of Authorization rules for resource.
:param support_ordering: A value that indicates whether the topic supports ordering.
:param auto_delete_on_idle: ISO 8601 time span idle interval after which the topic is
automatically deleted. The minimum duration is 5 minutes.
Input value of either type ~datetime.timedelta or string in ISO 8601 duration format
like "PT300S" is accepted.
:param enable_partitioning: A value that indicates whether the topic is to be partitioned
across multiple message brokers.
:param enable_express: A value that indicates whether Express Entities are enabled. An express
queue holds a message in memory temporarily before writing it to persistent storage.
:param user_metadata: Metadata associated with the topic.
:param max_message_size_in_kilobytes: The maximum size in kilobytes of message payload that
can be accepted by the queue. This feature is only available when using a Premium namespace
and Service Bus API version "2021-05" or higher.
The minimum allowed value is 1024 while the maximum allowed value is 102400. Default value is 1024.
"""
[docs] template_fields: Sequence[str] = ("topic_name",)
def __init__(
self,
*,
topic_name: str,
azure_service_bus_conn_id: str = "azure_service_bus_default",
default_message_time_to_live: datetime.timedelta | str | None = None,
max_size_in_megabytes: int | None = None,
requires_duplicate_detection: bool | None = None,
duplicate_detection_history_time_window: datetime.timedelta | str | None = None,
enable_batched_operations: bool | None = None,
size_in_bytes: int | None = None,
filtering_messages_before_publishing: bool | None = None,
authorization_rules: list[AuthorizationRule] | None = None,
support_ordering: bool | None = None,
auto_delete_on_idle: datetime.timedelta | str | None = None,
enable_partitioning: bool | None = None,
enable_express: bool | None = None,
user_metadata: str | None = None,
max_message_size_in_kilobytes: int | None = None,
**kwargs: Any,
) -> None:
super().__init__(**kwargs)
self.topic_name = topic_name
self.azure_service_bus_conn_id = azure_service_bus_conn_id
self.default_message_time_to_live = default_message_time_to_live
self.max_size_in_megabytes = max_size_in_megabytes
self.requires_duplicate_detection = requires_duplicate_detection
self.duplicate_detection_history_time_window = duplicate_detection_history_time_window
self.enable_batched_operations = enable_batched_operations
self.size_in_bytes = size_in_bytes
self.filtering_messages_before_publishing = filtering_messages_before_publishing
self.authorization_rules = authorization_rules
self.support_ordering = support_ordering
self.auto_delete_on_idle = auto_delete_on_idle
self.enable_partitioning = enable_partitioning
self.enable_express = enable_express
self.user_metadata = user_metadata
self.max_message_size_in_kilobytes = max_message_size_in_kilobytes
[docs] def execute(self, context: Context) -> str:
"""Create Topic in Service Bus namespace, by connecting to Service Bus Admin client."""
if self.topic_name is None:
raise TypeError("Topic name cannot be None.")
# Create the hook
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
with hook.get_conn() as service_mgmt_conn:
try:
topic_properties = service_mgmt_conn.get_topic(self.topic_name)
except ResourceNotFoundError:
topic_properties = None
if topic_properties and topic_properties.name == self.topic_name:
self.log.info("Topic name already exists")
return topic_properties.name
topic = service_mgmt_conn.create_topic(
topic_name=self.topic_name,
default_message_time_to_live=self.default_message_time_to_live,
max_size_in_megabytes=self.max_size_in_megabytes,
requires_duplicate_detection=self.requires_duplicate_detection,
duplicate_detection_history_time_window=self.duplicate_detection_history_time_window,
enable_batched_operations=self.enable_batched_operations,
size_in_bytes=self.size_in_bytes,
filtering_messages_before_publishing=self.filtering_messages_before_publishing,
authorization_rules=self.authorization_rules,
support_ordering=self.support_ordering,
auto_delete_on_idle=self.auto_delete_on_idle,
enable_partitioning=self.enable_partitioning,
enable_express=self.enable_express,
user_metadata=self.user_metadata,
max_message_size_in_kilobytes=self.max_message_size_in_kilobytes,
)
self.log.info("Created Topic %s", topic.name)
return topic.name
[docs]class AzureServiceBusSubscriptionCreateOperator(BaseOperator):
"""
Create an Azure Service Bus Topic Subscription under a Service Bus Namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusSubscriptionCreateOperator`
:param topic_name: The topic that will own the to-be-created subscription.
:param subscription_name: Name of the subscription that need to be created
:param lock_duration: ISO 8601 time span duration of a peek-lock; that is, the amount of time that
the message is locked for other receivers. The maximum value for LockDuration is 5 minutes; the
default value is 1 minute. Input value of either type ~datetime.timedelta or string in ISO 8601
duration format like "PT300S" is accepted.
:param requires_session: A value that indicates whether the queue supports the concept of sessions.
:param default_message_time_to_live: ISO 8601 default message time span to live value. This is the
duration after which the message expires, starting from when the message is sent to
Service Bus. This is the default value used when TimeToLive is not set on a message itself.
Input value of either type ~datetime.timedelta or string in ISO 8601 duration
format like "PT300S" is accepted.
:param dead_lettering_on_message_expiration: A value that indicates whether this subscription has
dead letter support when a message expires.
:param dead_lettering_on_filter_evaluation_exceptions: A value that indicates whether this
subscription has dead letter support when a message expires.
:param max_delivery_count: The maximum delivery count. A message is automatically dead lettered
after this number of deliveries. Default value is 10.
:param enable_batched_operations: Value that indicates whether server-side batched
operations are enabled.
:param forward_to: The name of the recipient entity to which all the messages sent to the
subscription are forwarded to.
:param user_metadata: Metadata associated with the subscription. Maximum number of characters is 1024.
:param forward_dead_lettered_messages_to: The name of the recipient entity to which all the
messages sent to the subscription are forwarded to.
:param auto_delete_on_idle: ISO 8601 time Span idle interval after which the subscription is
automatically deleted. The minimum duration is 5 minutes. Input value of either
type ~datetime.timedelta or string in ISO 8601 duration format like "PT300S" is accepted.
:param filter_rule: Optional correlation or SQL rule filter to apply on the messages.
:param filter_rule_name: Optional rule name to use applying the rule filter to the subscription
:param azure_service_bus_conn_id: Reference to the
:ref:`Azure Service Bus connection<howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("topic_name", "subscription_name")
def __init__(
self,
*,
topic_name: str,
subscription_name: str,
azure_service_bus_conn_id: str = "azure_service_bus_default",
lock_duration: datetime.timedelta | str | None = None,
requires_session: bool | None = None,
default_message_time_to_live: datetime.timedelta | str | None = None,
dead_lettering_on_message_expiration: bool | None = True,
dead_lettering_on_filter_evaluation_exceptions: bool | None = None,
max_delivery_count: int | None = 10,
enable_batched_operations: bool | None = True,
forward_to: str | None = None,
user_metadata: str | None = None,
forward_dead_lettered_messages_to: str | None = None,
auto_delete_on_idle: datetime.timedelta | str | None = None,
filter_rule: CorrelationRuleFilter | SqlRuleFilter | None = None,
filter_rule_name: str | None = None,
**kwargs,
) -> None:
super().__init__(**kwargs)
self.topic_name = topic_name
self.subscription_name = subscription_name
self.lock_duration = lock_duration
self.requires_session = requires_session
self.default_message_time_to_live = default_message_time_to_live
self.dl_on_message_expiration = dead_lettering_on_message_expiration
self.dl_on_filter_evaluation_exceptions = dead_lettering_on_filter_evaluation_exceptions
self.max_delivery_count = max_delivery_count
self.enable_batched_operations = enable_batched_operations
self.forward_to = forward_to
self.user_metadata = user_metadata
self.forward_dead_lettered_messages_to = forward_dead_lettered_messages_to
self.auto_delete_on_idle = auto_delete_on_idle
self.azure_service_bus_conn_id = azure_service_bus_conn_id
self.filter_rule = filter_rule
self.filter_rule_name = filter_rule_name
[docs] def execute(self, context: Context) -> None:
"""Create Subscription in Service Bus namespace, by connecting to Service Bus Admin client."""
if self.subscription_name is None:
raise TypeError("Subscription name cannot be None.")
if self.topic_name is None:
raise TypeError("Topic name cannot be None.")
# Create the hook
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
subscription = hook.create_subscription(
topic_name=self.topic_name,
subscription_name=self.subscription_name,
lock_duration=self.lock_duration,
requires_session=self.requires_session,
default_message_time_to_live=self.default_message_time_to_live,
dead_lettering_on_message_expiration=self.dl_on_message_expiration,
dead_lettering_on_filter_evaluation_exceptions=self.dl_on_filter_evaluation_exceptions,
max_delivery_count=self.max_delivery_count,
enable_batched_operations=self.enable_batched_operations,
forward_to=self.forward_to,
user_metadata=self.user_metadata,
forward_dead_lettered_messages_to=self.forward_dead_lettered_messages_to,
auto_delete_on_idle=self.auto_delete_on_idle,
filter_rule=self.filter_rule,
filter_rule_name=self.filter_rule_name,
)
self.log.info("Created subscription %s", subscription.name)
[docs]class AzureServiceBusUpdateSubscriptionOperator(BaseOperator):
"""
Update an Azure ServiceBus Topic Subscription under a ServiceBus Namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusUpdateSubscriptionOperator`
:param topic_name: The topic that will own the to-be-created subscription.
:param subscription_name: Name of the subscription that need to be created.
:param max_delivery_count: The maximum delivery count. A message is automatically dead lettered
after this number of deliveries. Default value is 10.
:param dead_lettering_on_message_expiration: A value that indicates whether this subscription
has dead letter support when a message expires.
:param enable_batched_operations: Value that indicates whether server-side batched
operations are enabled.
:param azure_service_bus_conn_id: Reference to the
:ref:`Azure Service Bus connection<howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("topic_name", "subscription_name")
def __init__(
self,
*,
topic_name: str,
subscription_name: str,
max_delivery_count: int | None = None,
dead_lettering_on_message_expiration: bool | None = None,
enable_batched_operations: bool | None = None,
azure_service_bus_conn_id: str = "azure_service_bus_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.topic_name = topic_name
self.subscription_name = subscription_name
self.max_delivery_count = max_delivery_count
self.dl_on_message_expiration = dead_lettering_on_message_expiration
self.enable_batched_operations = enable_batched_operations
self.azure_service_bus_conn_id = azure_service_bus_conn_id
[docs] def execute(self, context: Context) -> None:
"""Update Subscription properties, by connecting to Service Bus Admin client."""
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
with hook.get_conn() as service_mgmt_conn:
subscription_prop = service_mgmt_conn.get_subscription(self.topic_name, self.subscription_name)
if self.max_delivery_count:
subscription_prop.max_delivery_count = self.max_delivery_count
if self.dl_on_message_expiration is not None:
subscription_prop.dead_lettering_on_message_expiration = self.dl_on_message_expiration
if self.enable_batched_operations is not None:
subscription_prop.enable_batched_operations = self.enable_batched_operations
# update by updating the properties in the model
service_mgmt_conn.update_subscription(self.topic_name, subscription_prop)
updated_subscription = service_mgmt_conn.get_subscription(self.topic_name, self.subscription_name)
self.log.info("Subscription Updated successfully %s", updated_subscription)
[docs]class ASBReceiveSubscriptionMessageOperator(BaseOperator):
"""
Receive a Batch messages from a Service Bus Subscription under specific Topic.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:ASBReceiveSubscriptionMessageOperator`
:param subscription_name: The subscription name that will own the rule in topic
:param topic_name: The topic that will own the subscription rule.
:param max_message_count: Maximum number of messages in the batch.
Actual number returned will depend on prefetch_count and incoming stream rate.
Setting to None will fully depend on the prefetch config. The default value is 1.
:param max_wait_time: Maximum time to wait in seconds for the first message to arrive. If no
messages arrive, and no timeout is specified, this call will not return until the
connection is closed. If specified, an no messages arrive within the timeout period,
an empty list will be returned.
:param azure_service_bus_conn_id: Reference to the
:ref:`Azure Service Bus connection <howto/connection:azure_service_bus>`.
:param message_callback: Optional callback to process each message. If not provided, then
the message will be logged and completed. If provided, and throws an exception, the
message will be abandoned for future redelivery.
"""
[docs] template_fields: Sequence[str] = ("topic_name", "subscription_name")
def __init__(
self,
*,
topic_name: str,
subscription_name: str,
max_message_count: int | None = 1,
max_wait_time: float | None = 5,
azure_service_bus_conn_id: str = "azure_service_bus_default",
message_callback: MessageCallback | None = None,
**kwargs,
) -> None:
super().__init__(**kwargs)
self.topic_name = topic_name
self.subscription_name = subscription_name
self.max_message_count = max_message_count
self.max_wait_time = max_wait_time
self.azure_service_bus_conn_id = azure_service_bus_conn_id
self.message_callback = message_callback
[docs] def execute(self, context: Context) -> None:
"""Receive Message in specific queue in Service Bus namespace by connecting to Service Bus client."""
# Create the hook
hook = MessageHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
# Receive message
hook.receive_subscription_message(
self.topic_name,
self.subscription_name,
context,
self.max_message_count,
self.max_wait_time,
message_callback=self.message_callback,
)
[docs]class AzureServiceBusSubscriptionDeleteOperator(BaseOperator):
"""
Delete the topic subscription in the Azure ServiceBus namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusSubscriptionDeleteOperator`
:param topic_name: The topic that will own the to-be-created subscription.
:param subscription_name: Name of the subscription that need to be created
:param azure_service_bus_conn_id: Reference to the
:ref:`Azure Service Bus connection <howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("topic_name", "subscription_name")
def __init__(
self,
*,
topic_name: str,
subscription_name: str,
azure_service_bus_conn_id: str = "azure_service_bus_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.topic_name = topic_name
self.subscription_name = subscription_name
self.azure_service_bus_conn_id = azure_service_bus_conn_id
[docs] def execute(self, context: Context) -> None:
"""Delete topic subscription in Service Bus namespace, by connecting to Service Bus Admin client."""
# Create the hook
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
# delete subscription with name
hook.delete_subscription(self.subscription_name, self.topic_name)
[docs]class AzureServiceBusTopicDeleteOperator(BaseOperator):
"""
Delete the topic in the Azure Service Bus namespace.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AzureServiceBusTopicDeleteOperator`
:param topic_name: Name of the topic to be deleted.
:param azure_service_bus_conn_id: Reference to the
:ref:`Azure Service Bus connection <howto/connection:azure_service_bus>`.
"""
[docs] template_fields: Sequence[str] = ("topic_name",)
def __init__(
self,
*,
topic_name: str,
azure_service_bus_conn_id: str = "azure_service_bus_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.topic_name = topic_name
self.azure_service_bus_conn_id = azure_service_bus_conn_id
[docs] def execute(self, context: Context) -> None:
"""Delete topic in Service Bus namespace, by connecting to Service Bus Admin client."""
if self.topic_name is None:
raise TypeError("Topic name cannot be None.")
hook = AdminClientHook(azure_service_bus_conn_id=self.azure_service_bus_conn_id)
with hook.get_conn() as service_mgmt_conn:
topic_properties = service_mgmt_conn.get_topic(self.topic_name)
if topic_properties and topic_properties.name == self.topic_name:
service_mgmt_conn.delete_topic(self.topic_name)
self.log.info("Topic %s deleted.", self.topic_name)
else:
self.log.info("Topic %s does not exist.", self.topic_name)