defa24cbaa
Provide a make_kube_patch.sh script that will build patches that can be used to upgrade kubernetes. Also includes sample preapply/preremove scripts that will be included in the patches. Change-Id: Ifab05e9d407d9a7c3d8c519c90add1b3857ecdf2 Story: 2006781 Task: 38479 Signed-off-by: Bart Wensley <barton.wensley@windriver.com>
58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
#!/usr/bin/python
|
|
"""
|
|
Copyright (c) 2020 Wind River Systems, Inc.
|
|
|
|
SPDX-License-Identifier: Apache-2.0
|
|
|
|
"""
|
|
|
|
from kubernetes import client, config
|
|
|
|
from distutils.version import LooseVersion
|
|
|
|
import sys
|
|
|
|
patch_states = {}
|
|
|
|
|
|
def fatal_error(message):
|
|
print(message)
|
|
sys.exit(1)
|
|
|
|
|
|
def get_kube_apiserver_versions():
|
|
config.load_kube_config('/etc/kubernetes/admin.conf')
|
|
|
|
versions = []
|
|
v1 = client.CoreV1Api()
|
|
ret = v1.list_pod_for_all_namespaces(watch=False)
|
|
for item in ret.items:
|
|
if item.metadata.labels.get('component') == 'kube-apiserver':
|
|
for c in item.spec.containers:
|
|
if c.name == 'kube-apiserver':
|
|
versions.append(c.image.split(':')[-1])
|
|
|
|
return versions
|
|
|
|
|
|
def main():
|
|
running_versions = get_kube_apiserver_versions()
|
|
if len(running_versions) is 0:
|
|
fatal_error("Could not determine kube-apiserver version")
|
|
|
|
# Running version must be no higher than v1.16.2
|
|
test_version = 'v1.16.2'
|
|
for running_version in running_versions:
|
|
if LooseVersion(running_version) > LooseVersion(test_version):
|
|
fatal_error("A kube-apiserver is running %s, but must be no higher than %s" %
|
|
(running_version, test_version))
|
|
|
|
# Success
|
|
sys.exit(0)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|
|
|
|
|
|
|