remove obsolete script

Currently Kubernetes version can be selected using "kube_version" variable.

scripts/change_k8s_version.py

@@ -1,116 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-# Copyright 2016 Kubespray
-#
-# 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.
-
-import os
-import sys
-import hashlib
-import urllib2
-import yaml
-import argparse
-import shutil
-from re import sub
-
-
-def get_remote_sha256_sum(url, max_file_size=1024*1024*1024):
-    remote = urllib2.urlopen(url)
-    hash = hashlib.sha256()
-    total_read = 0
-    while True:
-        data = remote.read(4096)
-        total_read += 4096
-        if not data or total_read > max_file_size:
-            break
-        hash.update(data)
-    return hash.hexdigest()
-
-
-def read_vars(var_file):
-    """
-    Read the variables file
-    """
-    try:
-        with open(var_file, "r") as f:
-            kargovars = yaml.load(f)
-    except:
-        print(
-            "Can't read variables file %s" % var_file
-        )
-        sys.exit(1)
-    return kargovars
-
-
-def get_kube_sha256(version, download_url, binaries):
-    kube_sha256 = dict()
-    for k in binaries:
-        s = get_remote_sha256_sum(download_url + '/' + k)
-        kube_sha256[k] = s
-    kube_sha256['kube_apiserver'] = kube_sha256.pop('kube-apiserver')
-    return(kube_sha256)
-
-
-def file_sub(file, regex, string):
-    "Substitute string in a file"
-    shutil.move(file, file + '~')
-    f = open(file + '~', 'r')
-    data = f.read()
-    o = open(file, 'w')
-    o.write(sub(regex, string, data))
-    f.close()
-    o.close()
-    os.remove(file + '~')
-
-
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser(
-        prog='change_k8s_version',
-        description='%(prog)s changes the version to be installed with kargo',
-    )
-
-    parser.add_argument(
-        '-v', '--version', dest='kube_version', required=True,
-        help="kubernetes version"
-    )
-    parser.add_argument(
-        '-r', '--repository', dest='docker_repository', required=True,
-        help="hyperkube docker repository"
-    )
-    args = parser.parse_args()
-
-    kargo_root_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-
-    file_sub(
-        os.path.join(kargo_root_path, 'roles/kubernetes/node/defaults/main.yml'),
-        r'.*hyperkube_image_repo.*', 'hyperkube_image_repo: "%s"' % args.docker_repository
-    )
-    file_sub(
-        os.path.join(kargo_root_path, 'roles/kubernetes/node/defaults/main.yml'),
-        r'.*hyperkube_image_tag.*', 'hyperkube_image_tag: "%s"' % args.kube_version
-    )
-
-    kube_binaries = ['kubelet', 'kubectl', 'kube-apiserver']
-    var_files = [
-        os.path.join(kargo_root_path, 'roles/uploads/vars/kube_versions.yml'),
-        os.path.join(kargo_root_path, 'roles/download/vars/kube_versions.yml')
-    ]
-    kube_download_url = "https://storage.googleapis.com/kubernetes-release/release/%s/bin/linux/amd64" % args.kube_version
-
-    new = get_kube_sha256(args.kube_version, kube_download_url, kube_binaries)
-    for f in var_files:
-        current = read_vars(f)
-        current['kube_checksum'][args.kube_version] = new
-        current['kube_version'] = args.kube_version
-        with open(f, 'w') as out:
-            out.write(yaml.dump(current, indent=4, default_flow_style=False))