Files
kubernetes.core/plugins/module_utils/hashes.py
abikouo c65512357d k8s - allow resource definition using generateName (#238)
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>
2021-09-30 14:58:50 +00:00

75 lines
2.3 KiB
Python

# Copyright [2017] [Red Hat, Inc.]
#
# Licensed 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.
# Implement ConfigMapHash and SecretHash equivalents
# Based on https://github.com/kubernetes/kubernetes/pull/49961
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import json
import hashlib
try:
import string
maketrans = string.maketrans
except AttributeError:
maketrans = str.maketrans
try:
from collections import OrderedDict
except ImportError:
from orderreddict import OrderedDict
def sorted_dict(unsorted_dict):
result = OrderedDict()
for (k, v) in sorted(unsorted_dict.items()):
if isinstance(v, dict):
v = sorted_dict(v)
result[k] = v
return result
def generate_hash(resource):
# Get name from metadata
metada = resource.get('metadata', {})
key = 'name'
resource['name'] = metada.get('name', '')
generate_name = metada.get('generateName', '')
if resource['name'] == '' and generate_name:
del(resource['name'])
key = 'generateName'
resource['generateName'] = generate_name
if resource['kind'] == 'ConfigMap':
marshalled = marshal(sorted_dict(resource), ['data', 'kind', key])
del(resource[key])
return encode(marshalled)
if resource['kind'] == 'Secret':
marshalled = marshal(sorted_dict(resource), ['data', 'kind', key, 'type'])
del(resource[key])
return encode(marshalled)
raise NotImplementedError
def marshal(data, keys):
ordered = OrderedDict()
for key in keys:
ordered[key] = data.get(key, "")
return json.dumps(ordered, separators=(',', ':')).encode('utf-8')
def encode(resource):
return hashlib.sha256(resource).hexdigest()[:10].translate(maketrans("013ae", "ghkmt"))