Create sample scripts for generating k8s upgrade patches
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>
This commit is contained in:
Bart Wensley
parent
dc441b0b52
commit
defa24cbaa
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#!/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, 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) is 0:
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fatal_error("Could not determine kube-apiserver version")
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# Running version must be at least v1.16.1
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test_version = 'v1.16.1'
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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 at least %s" %
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(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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#!/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, 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) is 0:
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fatal_error("Could not determine kube-apiserver version")
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# Running version must be no higher than v1.16.1
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test_version = 'v1.16.1'
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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 no higher than %s" %
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(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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#!/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, 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) is 0:
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fatal_error("Could not determine kube-apiserver version")
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# Running version must be at least v1.16.2
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test_version = 'v1.16.2'
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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 at least %s" %
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(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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#!/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, 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) is 0:
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fatal_error("Could not determine kube-apiserver version")
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# Running version must be no higher than v1.16.2
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test_version = 'v1.16.2'
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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 no higher than %s" %
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(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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#!/bin/bash
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#
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# Copyright (c) 2020 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# This builds 3 patches:
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# SYSINV.1 contains sysinv components
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# KUBE.1 contains kubeadm
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# KUBE.2 contains the remainder (node, client, master, etc..)
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PATH=$MY_REPO/stx/stx-update/extras/scripts:$PATH
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SYSINV_PATCH_1=SYSINV.1
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KUBE_PATCH_1=KUBE.1
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KUBE_PATCH_2=KUBE.2
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SEMANTIC_PATH=`dirname "$0"`
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DIR=${MY_WORKSPACE}/std/rpmbuild/RPMS
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SYSINV_SUFFIX=1.0-342.tis.x86_64.rpm
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KUBE_SUFFIX=1.16.2-1.tis.1.x86_64.rpm
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patch_build.sh \
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--id ${SYSINV_PATCH_1} \
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--reboot-required=N \
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${DIR}/sysinv-${SYSINV_SUFFIX}
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patch_build.sh \
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--id ${KUBE_PATCH_1} \
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--reboot-required=N \
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--pre-apply ${SEMANTIC_PATH}/KUBE.1.preapply \
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--pre-remove ${SEMANTIC_PATH}/KUBE.1.preremove \
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--req ${SYSINV_PATCH_1} \
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${DIR}/kubernetes-kubeadm-${KUBE_SUFFIX}
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patch_build.sh \
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--id ${KUBE_PATCH_2} \
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--reboot-required=N \
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--pre-apply ${SEMANTIC_PATH}/KUBE.2.preapply \
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--pre-remove ${SEMANTIC_PATH}/KUBE.2.preremove \
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--req ${KUBE_PATCH_1} \
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${DIR}/kubernetes-node-${KUBE_SUFFIX} \
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${DIR}/kubernetes-client-${KUBE_SUFFIX} \
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${DIR}/kubernetes-${KUBE_SUFFIX} \
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${DIR}/kubernetes-master-${KUBE_SUFFIX}
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