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# vim:set sw=4 ts=4 et: | ||
# | ||
# Copyright (c) 2016-2017 Torchbox Ltd. | ||
# | ||
# Permission is granted to anyone to use this software for any purpose, | ||
# including commercial applications, and to alter it and redistribute it | ||
# freely. This software is provided 'as-is', without any express or implied | ||
# warranty. | ||
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import json | ||
from sys import stdout, stderr, exit | ||
from kubernetes.client.apis import core_v1_api, extensions_v1beta1_api | ||
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import deployment, kubectl, kubeutil | ||
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def undeploy(args): | ||
try: | ||
dp = deployment.get_deployment(args.namespace, args.name) | ||
except Exception as e: | ||
stderr.write('cannot load deployment {0}: {1}\n'.format( | ||
args.name, kubeutil.get_error(e))) | ||
exit(1) | ||
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resources = None | ||
try: | ||
resources = json.loads(dp['metadata']['annotations']['kdtool.torchbox.com/attached-resources']) | ||
except KeyError: | ||
pass | ||
except ValueError as e: | ||
stderr.write("error: could not decode kdtool.torchbox.com/attached-resources annotation: {0}\n".format(str(e))) | ||
exit(1) | ||
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stdout.write("\nthis deployment will be removed:\n") | ||
stdout.write("- {0}/{1}\n".format( | ||
dp['metadata']['namespace'], | ||
dp['metadata']['name'], | ||
)) | ||
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if len(resources): | ||
if args.all: | ||
stdout.write("\nthe following attached resources will also be deleted:\n") | ||
for res in resources: | ||
extra = '' | ||
if res['kind'] == 'database': | ||
extra = ' (database will be dropped)' | ||
elif res['kind'] == 'volume': | ||
extra = ' (contents will be deleted)' | ||
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stdout.write("- {0}: {1}{2}\n".format( | ||
res['kind'], | ||
res['name'], | ||
extra | ||
)) | ||
else: | ||
stdout.write("\nthe following attached resources will NOT be deleted (use --all):\n") | ||
for res in resources: | ||
stdout.write("- {0}: {1}\n".format( | ||
res['kind'], | ||
res['name'], | ||
)) | ||
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stdout.write('\n') | ||
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if not args.force: | ||
pr = input('continue [y/N]? ') | ||
if pr.lower() not in ['yes', 'y']: | ||
stdout.write("okay, aborting\n") | ||
exit(0) | ||
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client = kubeutil.get_client() | ||
extv1beta1 = extensions_v1beta1_api.ExtensionsV1beta1Api(client) | ||
v1 = core_v1_api.CoreV1Api(client) | ||
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stdout.write('deleting deployment <{}/{}>: '.format(args.namespace, args.name)) | ||
extv1beta1.delete_namespaced_deployment(args.name, args.namespace, body={}) | ||
stdout.write('ok\n') | ||
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if not args.all: | ||
exit(0) | ||
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for res in resources: | ||
stdout.write('deleting {} <{}>: '.format(res['kind'], res['name'])) | ||
if res['kind'] == 'volume': | ||
v1.delete_namespaced_persistent_volume_claim( | ||
res['name'], args.namespace, body={}) | ||
elif res['kind'] == 'secret': | ||
v1.delete_namespaced_secret(res['name'], args.namespace, body={}) | ||
elif res['kind'] == 'database': | ||
resource_path = ('/apis/torchbox.com/v1/namespaces/' | ||
+ dp['metadata']['namespace'] | ||
+ '/databases/' | ||
+ res['name']) | ||
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header_params = {} | ||
header_params['Accept'] = client.select_header_accept(['application/json']) | ||
header_params['Content-Type'] = client.select_header_content_type(['*/*']) | ||
header_params.update(kubeutil.config.api_key) | ||
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(resp, code, header) = client.call_api( | ||
resource_path, 'DELETE', {}, {}, header_params, None, [], _preload_content=False) | ||
elif res['kind'] == 'service': | ||
v1.delete_namespaced_service(res['name'], args.namespace) | ||
elif res['kind'] == 'ingress': | ||
extv1beta1.delete_namespaced_ingress(res['name'], args.namespace, body={}) | ||
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stdout.write('ok\n') | ||
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undeploy.help = "undeploy an application" | ||
undeploy.arguments = ( | ||
( ('-M', '--manifest'), { | ||
'type': str, | ||
'metavar': 'FILE', | ||
'help': 'deploy from Kubernetes manifest with environment substitution', | ||
}), | ||
( ('-f', '--force'), { | ||
'action': 'store_true', | ||
'help': 'do not prompt for confirmation', | ||
}), | ||
( ('-A', '--all'), { | ||
'action': 'store_true', | ||
'help': 'undeploy attached resources', | ||
}), | ||
( ('name',), { | ||
'type': str, | ||
'help': 'application name', | ||
}) | ||
) | ||
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commands = { | ||
'undeploy': undeploy, | ||
} | ||
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