chaosaws msk ready Signed-off-by: Jorge Tapicha <[email protected]>

Author: jitapichab

chaosaws/msk/__init__.py

@@ -0,0 +1,48 @@
+from typing import List
+
+from chaoslib.types import Configuration, Secrets
+from chaoslib.exceptions import FailedActivity
+from chaosaws import aws_client, get_logger
+from chaosaws.types import AWSResponse
+
+__all__ = ["reboot_msk_broker", "delete_cluster"]
+
+logger = get_logger()
+
+
+def reboot_msk_broker(
+    cluster_arn: str,
+    broker_ids: List[str],
+    configuration: Configuration = None,
+    secrets: Secrets = None,
+) -> AWSResponse:
+    """
+    Reboot the specified brokers in an MSK cluster.
+    """
+    client = aws_client("kafka", configuration, secrets)
+    logger.debug(
+        f"Rebooting MSK brokers: {broker_ids} in cluster {cluster_arn}"
+        )
+    try:
+        return client.reboot_broker(
+            ClusterArn=cluster_arn,
+            BrokerIds=broker_ids
+        )
+    except client.exceptions.NotFoundException as e:
+        raise FailedActivity("The specified cluster was not found") from e
+
+
+def delete_cluster(
+    cluster_arn: str,
+    configuration: Configuration = None,
+    secrets: Secrets = None,
+) -> AWSResponse:
+    """
+    Delete the given MSK cluster.
+    """
+    client = aws_client("kafka", configuration, secrets)
+    logger.debug(f"Deleting MSK cluster: {cluster_arn}")
+    try:
+        return client.delete_cluster(ClusterArn=cluster_arn)
+    except client.exceptions.NotFoundException as e:
+        raise FailedActivity("The specified cluster was not found") from e

chaosaws/msk/actions.py

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+from typing import List
+
+from chaoslib.types import Configuration, Secrets
+from chaoslib.exceptions import FailedActivity
+from chaosaws import aws_client, get_logger
+from chaosaws.types import AWSResponse
+
+__all__ = ["describe_msk_cluster", "get_bootstrap_servers"]
+
+logger = get_logger()
+
+
+def describe_msk_cluster(
+    cluster_arn: str,
+    configuration: Configuration = None,
+    secrets: Secrets = None,
+) -> AWSResponse:
+    """
+    Describe an MSK cluster.
+    """
+    client = aws_client("kafka", configuration, secrets)
+    logger.debug(f"Describing MSK cluster: {cluster_arn}")
+    try:
+        return client.describe_cluster(ClusterArn=cluster_arn)
+    except client.exceptions.NotFoundException as e:
+        raise FailedActivity("The specified cluster was not found") from e
+
+
+def get_bootstrap_servers(
+    cluster_arn: str,
+    configuration: Configuration = None,
+    secrets: Secrets = None,
+) -> List[str]:
+    """
+    Get the bootstrap servers for an MSK cluster.
+    """
+    client = aws_client("kafka", configuration, secrets)
+    logger.debug(f"Getting bootstrap servers for MSK cluster: {cluster_arn}")
+    try:
+        response = client.get_bootstrap_brokers(ClusterArn=cluster_arn)
+        return response["BootstrapBrokerString"].split(",") if response else []
+    except client.exceptions.NotFoundException as e:
+        raise FailedActivity("The specified cluster was not found") from e

chaosaws/msk/probes.py

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+from unittest.mock import MagicMock, patch
+import pytest
+from chaosaws.msk.actions import reboot_msk_broker, delete_cluster
+from chaoslib.exceptions import FailedActivity
+
+
+class NotFoundException(Exception):
+    def __init__(self, message="Cluster not found"):
+        super().__init__(f"{message}")
+
+
+@patch("chaosaws.msk.actions.aws_client", autospec=True)
+def test_reboot_msk_broker_success(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+    broker_ids = ["1"]
+    client.reboot_broker.return_value = {
+        "ResponseMetadata": {
+            "HTTPStatusCode": 200
+        }
+    }
+
+    response = reboot_msk_broker(cluster_arn=cluster_arn,
+                                 broker_ids=broker_ids)
+
+    client.reboot_broker.assert_called_with(ClusterArn=cluster_arn,
+                                            BrokerIds=broker_ids)
+    assert response["ResponseMetadata"]["HTTPStatusCode"] == 200
+
+
+@patch("chaosaws.msk.actions.aws_client", autospec=True)
+def test_reboot_msk_broker_not_found(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+    broker_ids = ["1"]
+
+    client.exceptions = MagicMock()
+    client.exceptions.NotFoundException = NotFoundException
+    client.reboot_broker.side_effect = NotFoundException(
+        "Cluster not found"
+    )
+
+    expected_error_message = "The specified cluster was not found"
+
+    with pytest.raises(FailedActivity) as exc_info:
+        reboot_msk_broker(cluster_arn=cluster_arn, broker_ids=broker_ids)
+
+    assert expected_error_message in str(
+        exc_info.value
+        )
+
+
+@patch("chaosaws.msk.actions.aws_client", autospec=True)
+def test_delete_cluster_success(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+    client.delete_cluster.return_value = {
+        "ResponseMetadata": {
+            "HTTPStatusCode": 200
+        }
+    }
+
+    response = delete_cluster(cluster_arn=cluster_arn)
+
+    client.delete_cluster.assert_called_with(ClusterArn=cluster_arn)
+    assert response["ResponseMetadata"]["HTTPStatusCode"] == 200
+
+
+@patch("chaosaws.msk.actions.aws_client", autospec=True)
+def test_delete_cluster_not_found(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+
+    client.exceptions = MagicMock()
+    client.exceptions.NotFoundException = NotFoundException
+    client.delete_cluster.side_effect = NotFoundException(
+        "Cluster not found"
+    )
+
+    expected_error_message = "The specified cluster was not found"
+
+    with pytest.raises(FailedActivity) as exc_info:
+        delete_cluster(cluster_arn=cluster_arn)
+
+    assert expected_error_message in str(
+        exc_info.value
+        )

tests/msk/test_msk_actions.py

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+from unittest.mock import MagicMock, patch
+import pytest
+from chaosaws.msk.probes import describe_msk_cluster, get_bootstrap_servers
+from chaoslib.exceptions import FailedActivity
+
+
+class NotFoundException(Exception):
+    def __init__(self, message="Cluster not found"):
+        super().__init__(f"{message}")
+
+
+@patch("chaosaws.msk.probes.aws_client", autospec=True)
+def test_describe_msk_cluster_success(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+    expected_response = {"ClusterInfo": {"ClusterArn": cluster_arn}}
+
+    client.describe_cluster.return_value = expected_response
+
+    response = describe_msk_cluster(cluster_arn=cluster_arn)
+
+    client.describe_cluster.assert_called_with(ClusterArn=cluster_arn)
+    assert response == expected_response
+
+
+@patch("chaosaws.msk.probes.aws_client", autospec=True)
+def test_describe_msk_cluster_not_found(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+
+    client.exceptions = MagicMock()
+    client.exceptions.NotFoundException = NotFoundException
+    client.describe_cluster.side_effect = NotFoundException(
+        "Cluster not found"
+    )
+
+    expected_error_message = "The specified cluster was not found"
+
+    with pytest.raises(FailedActivity) as exc_info:
+        describe_msk_cluster(cluster_arn=cluster_arn)
+    
+    assert expected_error_message in str(
+        exc_info.value
+        )
+
+
+@patch("chaosaws.msk.probes.aws_client", autospec=True)
+def test_get_bootstrap_servers_success(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+    bootstrap_servers = "broker1,broker2,broker3"
+    expected_response = {"BootstrapBrokerString": bootstrap_servers}
+
+    client.get_bootstrap_brokers.return_value = expected_response
+
+    response = get_bootstrap_servers(cluster_arn=cluster_arn)
+
+    client.get_bootstrap_brokers.assert_called_with(ClusterArn=cluster_arn)
+    assert response == bootstrap_servers.split(",")
+
+
+@patch("chaosaws.msk.probes.aws_client", autospec=True)
+def test_get_bootstrap_servers_empty_response(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+    
+    client.get_bootstrap_brokers.return_value = None
+
+    response = get_bootstrap_servers(cluster_arn=cluster_arn)
+
+    client.get_bootstrap_brokers.assert_called_with(ClusterArn=cluster_arn)
+    assert response == []
+
+
+@patch("chaosaws.msk.probes.aws_client", autospec=True)
+def test_get_bootstrap_server_cluster_not_found(aws_client):
+    client = MagicMock()
+    aws_client.return_value = client
+    cluster_arn = "arn_msk_cluster"
+
+    client.exceptions = MagicMock()
+    client.exceptions.NotFoundException = NotFoundException
+    client.get_bootstrap_brokers.side_effect = NotFoundException(
+        "Cluster not found"
+    )
+
+    expected_error_message = "The specified cluster was not found"
+
+    with pytest.raises(FailedActivity) as exc_info:
+        get_bootstrap_servers(cluster_arn=cluster_arn)
+
+    assert expected_error_message in str(
+        exc_info.value
+        )