6d1cd07e39
Updating scripts used to build k8s upgrade patches to handle current kubernetes version (1.18.1). My previous commit missed changes to the preapply/preremove scripts. Change-Id: I70b2796f625ac79df1de08e4e802d70e3e33d36a Story: 2006781 Task: 38479 Signed-off-by: Bart Wensley <barton.wensley@windriver.com>
57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
#!/usr/bin/python
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"""
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Copyright (c) 2020 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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"""
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from kubernetes import client
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from kubernetes import config
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from distutils.version import LooseVersion
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import sys
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patch_states = {}
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def fatal_error(message):
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print(message)
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sys.exit(1)
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def get_kube_apiserver_versions():
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config.load_kube_config('/etc/kubernetes/admin.conf')
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versions = []
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v1 = client.CoreV1Api()
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ret = v1.list_pod_for_all_namespaces(watch=False)
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for item in ret.items:
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if item.metadata.labels.get('component') == 'kube-apiserver':
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for c in item.spec.containers:
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if c.name == 'kube-apiserver':
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versions.append(c.image.split(':')[-1])
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return versions
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def main():
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running_versions = get_kube_apiserver_versions()
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if len(running_versions) == 0:
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fatal_error("Could not determine kube-apiserver version")
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# Running version must be no higher than v1.18.1-upgrade
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test_version = 'v1.18.1-upgrade'
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for running_version in running_versions:
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if LooseVersion(running_version) > LooseVersion(test_version):
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fatal_error("A kube-apiserver is running %s, but must be"
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" no higher than %s" % (running_version, test_version))
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# Success
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sys.exit(0)
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if __name__ == '__main__':
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main()
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