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f20924db24
Some resource names seem to be lingering in Azure limbo but do not map to any actual resources, so we ignore those. Signed-off-by: Aurélien Bombo <abombo@microsoft.com>
70 lines
2.7 KiB
Python
70 lines
2.7 KiB
Python
# Copyright (c) Microsoft Corporation.
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# Adapted from original code by Jeremi Piotrowski <jpiotrowski@microsoft.com>.
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from datetime import datetime, timedelta, timezone
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import os
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from azure.core.exceptions import ResourceNotFoundError
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from azure.identity import AzureCliCredential
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from azure.mgmt.resource import ResourceManagementClient
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# Current date and time in UTC.
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utc_now = datetime.now(timezone.utc)
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# Cleanup time delta passed in the environment, i.e. how much time to
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# wait before automatically cleaning up a resource.
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cleanup_after = timedelta(hours=int(os.environ['CLEANUP_AFTER_HOURS']))
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# Time considered as the cutoff to clean up a resource: if it was
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# created before this time, it will be deleted.
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cleanup_cutoff_time = utc_now - cleanup_after
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print(f"Current time: {utc_now}")
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print(f"Cleanup time delta: {cleanup_after}")
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print(f"Will clean up resources created before {cleanup_cutoff_time}")
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credential = AzureCliCredential()
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subscription_id = os.environ['AZ_SUBSCRIPTION_ID']
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client = ResourceManagementClient(credential, subscription_id)
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resources = client.resources.list(expand='createdTime')
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print("Processsing resources...")
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num_deleted = 0
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for resource in resources:
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# Ignore resources that aren't AKS clusters.
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if resource.type != 'Microsoft.ContainerService/managedClusters':
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continue
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# Ignore resources created after the cutoff time (i.e. less than
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# `cleanup_after` time ago).
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if resource.created_time > cleanup_cutoff_time:
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print(f"{resource.name}: created at {resource.created_time}, after delta cutoff, ignored")
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continue
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print(f"{resource.name}: created at {resource.created_time}, before delta cutoff, deleting...")
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# A resource ID looks like this:
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# /subscriptions/(subscriptionId)/resourceGroups/(resourceGroupName)/providers/(resourceProviderNamespace)/(resourceType)/(resourceName)
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rg_id, _, _ = resource.id.partition("/providers/")
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_, _, rg_name = rg_id.partition("/resourceGroups/")
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try:
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num_rg_resources = len(list(client.resources.list_by_resource_group(rg_name)))
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except ResourceNotFoundError:
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# Some resource names seem to be lingering in Azure limbo but do
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# not map to any actual resources, so we ignore those.
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print(f"{resource.name}: not found, ignored")
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continue
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# XXX DANGER ZONE: Delete the resource. If it's the only resource
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# in its resource group, the entire resource group is deleted.
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if num_rg_resources == 1:
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client.resource_groups.begin_delete(rg_name)
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print(f"{resource.name}: deleted resource group")
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else:
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client.resources.begin_delete_by_id(resource.id)
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print(f"{resource.name}: deleted resource")
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num_deleted += 1
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print(f"Deleted {num_deleted} resources")
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