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c65512357d
k8s - allow resource definition using generateName SUMMARY #35 ISSUE TYPE Feature Pull Request COMPONENT NAME k8s ADDITIONAL INFORMATION - name: create pod using generateName k8s: namespace: test generate_name: pod- definition: kind: Pod spec: containers: - name: py image: python:3.7-alpine - name: create pod using generateName k8s: namespace: test definition: kind: Pod metadata: generateName: pod- spec: containers: - name: py image: python:3.7-alpine Reviewed-by: Mike Graves <mgraves@redhat.com> Reviewed-by: None <None> Reviewed-by: None <None>
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# Copyright [2017] [Red Hat, Inc.]
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Implement ConfigMapHash and SecretHash equivalents
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# Based on https://github.com/kubernetes/kubernetes/pull/49961
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import json
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import hashlib
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try:
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import string
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maketrans = string.maketrans
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except AttributeError:
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maketrans = str.maketrans
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try:
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from collections import OrderedDict
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except ImportError:
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from orderreddict import OrderedDict
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def sorted_dict(unsorted_dict):
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result = OrderedDict()
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for (k, v) in sorted(unsorted_dict.items()):
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if isinstance(v, dict):
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v = sorted_dict(v)
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result[k] = v
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return result
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def generate_hash(resource):
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# Get name from metadata
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metada = resource.get('metadata', {})
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key = 'name'
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resource['name'] = metada.get('name', '')
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generate_name = metada.get('generateName', '')
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if resource['name'] == '' and generate_name:
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del(resource['name'])
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key = 'generateName'
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resource['generateName'] = generate_name
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if resource['kind'] == 'ConfigMap':
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marshalled = marshal(sorted_dict(resource), ['data', 'kind', key])
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del(resource[key])
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return encode(marshalled)
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if resource['kind'] == 'Secret':
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marshalled = marshal(sorted_dict(resource), ['data', 'kind', key, 'type'])
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del(resource[key])
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return encode(marshalled)
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raise NotImplementedError
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def marshal(data, keys):
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ordered = OrderedDict()
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for key in keys:
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ordered[key] = data.get(key, "")
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return json.dumps(ordered, separators=(',', ':')).encode('utf-8')
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def encode(resource):
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return hashlib.sha256(resource).hexdigest()[:10].translate(maketrans("013ae", "ghkmt"))
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