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This PR adds the admission webhook for verifying snapshot API objects and also seting the default snapshot class if it is not specified by the users
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#!/bin/bash | ||
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# Copyright 2018 The Kubernetes Authors. All rights reserved. | ||
# | ||
# 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. | ||
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# Generates the a CA cert, a server key, and a server cert signed by the CA. | ||
# reference: https://github.com/kubernetes/kubernetes/blob/master/plugin/pkg/admission/webhook/gencerts.sh | ||
set -e | ||
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CN_BASE="snapshot" | ||
CN="snapshot-admission-webhook-svc.default.svc" | ||
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cat > server.conf << EOF | ||
[req] | ||
req_extensions = v3_req | ||
distinguished_name = req_distinguished_name | ||
[req_distinguished_name] | ||
[ v3_req ] | ||
basicConstraints = CA:FALSE | ||
keyUsage = nonRepudiation, digitalSignature, keyEncipherment | ||
extendedKeyUsage = clientAuth, serverAuth | ||
EOF | ||
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# Create a certificate authority | ||
openssl genrsa -out caKey.pem 2048 | ||
openssl req -x509 -new -nodes -key caKey.pem -days 100000 -out caCert.pem -subj "/CN=${CN_BASE}_ca" | ||
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# Create a server certificate | ||
openssl genrsa -out serverKey.pem 2048 | ||
# Note the CN is the DNS name of the service of the webhook. | ||
openssl req -new -key serverKey.pem -out server.csr -subj "/CN=${CN}" -config server.conf | ||
openssl x509 -req -in server.csr -CA caCert.pem -CAkey caKey.pem -CAcreateserial -out serverCert.pem -days 100000 -extensions v3_req -extfile server.conf | ||
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outfile=pkg/webhook/certs.go | ||
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cat > $outfile << EOF | ||
// Copyright 2018 Google Inc. All Rights Reserved. | ||
// | ||
// 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. | ||
EOF | ||
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echo "// This file was generated using openssl by the gencerts.sh script" >> $outfile | ||
echo "" >> $outfile | ||
echo "package webhook" >> $outfile | ||
for file in caKey caCert serverKey serverCert; do | ||
data=$(cat ${file}.pem) | ||
echo "" >> $outfile | ||
echo "var $file = []byte(\`$data\`)" >> $outfile | ||
done | ||
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# Clean up after we're done. | ||
rm *.pem | ||
rm *.csr | ||
rm *.srl | ||
rm *.conf |
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// Copyright 2018 Google Inc. All Rights Reserved. | ||
// | ||
// 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. | ||
// This file was generated using openssl by the gencerts.sh script | ||
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package webhook | ||
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var caKey = []byte(`-----BEGIN RSA PRIVATE KEY----- | ||
MIIEowIBAAKCAQEAuVbxVMXgIyoEPRj6XdX/uCGcz7SSrzDYsgFvWFuEtEiFWXZ7 | ||
izGhM+KtgrFxwchr/J+ZIFO6tOjX+uM1LuQzjLn3MfFoJtdGANAm8Kqus8eOOXOb | ||
78/JELdGYkkrYENWIsSvcB81y3ahjgAPV4X74ZjPVuGjd2EVRgFtOfYOaGYzehdh | ||
Ih47CxjMKYPZ5T3F6MptY1YYxEBfCGl7PuEkRUd8jnqubYCbnN8Tch1LOVrNPgc2 | ||
M5KY4/P1xiftFJU4KhWvqceicYc2/0le3Hu29m5L2lFDK2OF2gcIpbmF1LPeuzol | ||
u7XzRqteSU9/BOGNGgHF0808jgIMU39DQGyuXwIDAQABAoIBAFVFMvMVtvF2u0yA | ||
2W+irWxByqulIHeJuajsEBZOxNdNJkzqvhxkUQ5WFA41JWlKlKQ9qW2+GABzwCql | ||
ripMw4rTZG+N6aU1Fff5zHCdlpMQFNdJ4UyMBK20JKXDlDlNwattYmnrcgySH/H9 | ||
BRH3itNYQsxuM48RE4CJ1377PdW5pplj8urMJ6vaQ5FdBnxFpThMlyuqSezk/GqA | ||
iXAB0VHt2JvkSe8XXIzVtkKR6FnfaGT5dH020/Ia4w07zY4l6rBvSN2iaW8a9trc | ||
MsZug9At+I+/WVBDS97PRrmEREECPJJB78E9F+nPxEToYTns5zrKz8m3N3LX0CcK | ||
ZQV6w8ECgYEA64rdB/5wwBxjHY+YqmaxezQXS1TT8Z3hkHw10BPeabYSzmiCDzwh | ||
2lQztiA2mBhTsyOG82uz/BFQEEB+6d6cf77BJuh4pk7w4Mg+UYoHoBfIr7zC2rfS | ||
RUC1uRSvgYWTf/MPKPKzSJpEVaVV8IBn+ibpwKFURMFhIdL/C+Qe1ZsCgYEAyW/Z | ||
/1s/BGhXrqNsPVbqAyIKJXNcaJDzNNfktY43w9U9sUIMrW2J2trjK6qJ5Itlfro9 | ||
NXquchd0pYm+ysAqF8vmN4vB/FN0QcnvBSYoM2iDtc8+C/G6cjt9adiJQTDYh1yF | ||
/I3xz+d/bynyTgoYKc7fsMyHflYcK4N3wmYnmI0CgYEArTYG6NQBkiTN9nUcrWKr | ||
bZCW+Ly+x1V1BM1yvTt/OXm9RrCvxAhSVL3K8UmrHBn3oyqjGOrBBsKsf+cN7WnY | ||
6FActkIKRzKSDJr0yP2aMe6LlEBZgoHfTTIS8LH3hmX2XAcfxNsFYIShb+IP2rZy | ||
wBBRoWiCEbWrejYxfEsbKbUCgYB8HEFJlzO1iIB1plUbWgCm24M63eASwTRH27kb | ||
r7tmGm1/WH2tIS9tu616CwIY4VYwhZkO6T6wJwmEsODv1QRaUxPOJ3rm95hKrJtr | ||
Jb5hJkT4cO7+tvo0RbkYzQSMOQdAJ16aY+6YNT8MA+E5+fg3UjH6oZnd2jpTCRZx | ||
nTVKRQKBgEXRMBHJv6xzF0vfdsNTftgX5vfOyHRFuGzL04a0evv6Zj8izPJ2rOwy | ||
tbFfCvmMiNqBANTR9YxM9fDv2Aq7qWUSJ2IqVS6nXw0EDj3TXH+Pur2LfQPACKtD | ||
1Oe+4t0kmon2We6o9hNM9nR3EjFA0zDauKwRBSrjrlGaf4tTsc/6 | ||
-----END RSA PRIVATE KEY-----`) | ||
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var caCert = []byte(`-----BEGIN CERTIFICATE----- | ||
MIIDBDCCAeygAwIBAgIJAPLPw2bFlYqUMA0GCSqGSIb3DQEBCwUAMBYxFDASBgNV | ||
BAMMC3NuYXBzaG90X2NhMCAXDTE4MDkyNzIwNTIzNloYDzIyOTIwNzEyMjA1MjM2 | ||
WjAWMRQwEgYDVQQDDAtzbmFwc2hvdF9jYTCCASIwDQYJKoZIhvcNAQEBBQADggEP | ||
ADCCAQoCggEBALlW8VTF4CMqBD0Y+l3V/7ghnM+0kq8w2LIBb1hbhLRIhVl2e4sx | ||
oTPirYKxccHIa/yfmSBTurTo1/rjNS7kM4y59zHxaCbXRgDQJvCqrrPHjjlzm+/P | ||
yRC3RmJJK2BDViLEr3AfNct2oY4AD1eF++GYz1bho3dhFUYBbTn2DmhmM3oXYSIe | ||
OwsYzCmD2eU9xejKbWNWGMRAXwhpez7hJEVHfI56rm2Am5zfE3IdSzlazT4HNjOS | ||
mOPz9cYn7RSVOCoVr6nHonGHNv9JXtx7tvZuS9pRQytjhdoHCKW5hdSz3rs6Jbu1 | ||
80arXklPfwThjRoBxdPNPI4CDFN/Q0Bsrl8CAwEAAaNTMFEwHQYDVR0OBBYEFFGw | ||
D7vzl/nFIQ8h5rcqc6LsOVY5MB8GA1UdIwQYMBaAFFGwD7vzl/nFIQ8h5rcqc6Ls | ||
OVY5MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBAEVO/V0PFB9E | ||
wujSbOYCIbx+51yDUoC8hxT1r1Kcx3u08MDgUoDX+Rxg/Ok7XbqweCvR0drbSKAA | ||
kLE96CVL98gonTK8xq/wr6ajEu4Zkq2gG+uTDnk09Rw3tQDlu5a8y2xx3tkPwXZQ | ||
mJlOKfRQJT16scQYJI2vYlfD02sIAz82+Y6tJTe8X4HviSPx4l65V1gP1Cv0IRQN | ||
FmZf7z8vxhvuO2bc4kEfD2ROtn8JR6IohFkqbsgLblZleFlsjnoS+wZr/hg4OGKN | ||
Ra00JO66qaNYwwueeKU4Qvfo/HiWXwRivsCmNkkuzneovYI9WAnspQXg6szMMKxj | ||
g1O6iPylFcU= | ||
-----END CERTIFICATE-----`) | ||
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var serverKey = []byte(`-----BEGIN RSA PRIVATE KEY----- | ||
MIIEpAIBAAKCAQEA2VeAQeGNCBfuCQaqQIEspJFQNnal47TytS5LDgH5RccoRkIs | ||
kCsecdPEZeLqHnuDEMg9M6DPWjl4VHkPnBCUkCVVGjvhb1c4A5LI++zKIZkhvUvY | ||
zpsS6emQs+Ji+86I83EgxpjBXzEgD0NffOfaDbLdLFA+B0R7jOyaIquvvMPXcca7 | ||
z1EDbN0zuUPmPHBa9LRLs4TlEbn8gGpL+ajSyBqrsL5qP92VUq8wcFpUXJ50xocD | ||
B5tZc8ESmIiYjIVXaFvIZu1RAIG2Sj68HOpbU61T/Ftdc3y4kB8+9rTUFaTvSVvD | ||
ShW3sUqFULD6qv+vg+GzRAWGM+sUjhvx0VZrzQIDAQABAoIBADNG56Wjd0ifjLNo | ||
dSZ+02+IMSqIV58fg9unLmIBqTQDRsc8uZLR+X7VfZKkNKQ4c7Wz6GyT1hftUyxq | ||
23nwl3xism9cDVXdeAOvz+dP+Ghw3nrwuBgWkiHJzzABi2TpV3pICHmSdJzm1C+F | ||
r7OiZ9mvh2r7C4dfat7Wu47OfsnD42ziS9p3R6hcvugPoaAy23IwAgmR8LwoOXGy | ||
ZiAkb/d30G0MNt3lFbeZKHL16ibRxPjCRnDrfI++4/iJhuxBVv0BebYEjvajAFby | ||
G/bQNfXSghpYAywnCMoTqUVCV8ZALbw+okGrcxThcI7ZKghVGcYeK9/n5+tg7+r9 | ||
I1Q3J2kCgYEA8ZW3xhRr3XwuJCUFBs5yB0ibjV31w5slvSBrhd78gGLij8DRRynt | ||
U/rro0Vk0rw3VzKJvk9rohR0YbQBDIrtfVNWzkJOZJXDDwmb6b8ooUcADl5ui9Ul | ||
NvgwzQtq/p/nDfPNbwzMN4XiwfnQ/+yq0J98+RvEM6bDlYOT6wma8hsCgYEA5k92 | ||
oDfyIGqI3Cx1jFnRwxTo5A6yW73B0XkIFOe8P2PMhntjt7rpE3gq3VVfDbemVSI5 | ||
WXY5wh0daOFkWzNbuvudHxslWQrZSyG71ycEcAHfxWuwqOLiGn4x3/CXzIJsyR8L | ||
jkhApZ2J6YwotxFk9kh/DW+vOpbPKUdPZbGruDcCgYEA3f4T90LAs6/uvmv+KHkA | ||
M003EzpqIaqpjRcDduqm4Fr9kdc+98PBP9BtQ4T61uL5f3kDNgvI/hEJuNYtuJbZ | ||
ELbKJ5KqcqdjrKfJy4tLDJgvpwSDVJ8yKUb7oQ+C7COHsDx+ZDNAXSz8Z/7lXKbf | ||
eAF2V3p6WnQ9eWCFRg93gE0CgYBNGR7aBcB9T4yfQBbdtBe/WZmY9r6IbZ6bdAvb | ||
i7P9+He4MUgxclWiGeEnlPOsEOWSrFFMfIJbVAnLWWCSE0BK+P4hMqIvC62wNAvA | ||
u6QFpur1GNbbwo/0VHh3wf/fC25FaaohqFhT2MgZMb1Tg3Qr6hr2MYQUdfXFmMSg | ||
g3i7wwKBgQCPv2YxHynKq/N6Ns8OUAAGatIc8BG07EBT79T8UPiGi7Ova3jIoQLp | ||
UkiSKdtPaYDnjUG/a4MkVbNATNh48rveW/U5BumLMMFQtHK44vOQFX9fGS/zLKkZ | ||
yt8uo1eX6Uo3QGuXaLFKgu0sXRRzBtZBu/6AUzTNA5gKz9qIBKkfeA== | ||
-----END RSA PRIVATE KEY-----`) | ||
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var serverCert = []byte(`-----BEGIN CERTIFICATE----- | ||
MIIDCTCCAfGgAwIBAgIJAMT8cU6Xrf9/MA0GCSqGSIb3DQEBCwUAMBYxFDASBgNV | ||
BAMMC3NuYXBzaG90X2NhMCAXDTE4MDkyNzIwNTIzN1oYDzIyOTIwNzEyMjA1MjM3 | ||
WjA1MTMwMQYDVQQDDCpzbmFwc2hvdC1hZG1pc3Npb24td2ViaG9vay1zdmMuZGVm | ||
YXVsdC5zdmMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDZV4BB4Y0I | ||
F+4JBqpAgSykkVA2dqXjtPK1LksOAflFxyhGQiyQKx5x08Rl4uoee4MQyD0zoM9a | ||
OXhUeQ+cEJSQJVUaO+FvVzgDksj77MohmSG9S9jOmxLp6ZCz4mL7zojzcSDGmMFf | ||
MSAPQ19859oNst0sUD4HRHuM7Joiq6+8w9dxxrvPUQNs3TO5Q+Y8cFr0tEuzhOUR | ||
ufyAakv5qNLIGquwvmo/3ZVSrzBwWlRcnnTGhwMHm1lzwRKYiJiMhVdoW8hm7VEA | ||
gbZKPrwc6ltTrVP8W11zfLiQHz72tNQVpO9JW8NKFbexSoVQsPqq/6+D4bNEBYYz | ||
6xSOG/HRVmvNAgMBAAGjOTA3MAkGA1UdEwQCMAAwCwYDVR0PBAQDAgXgMB0GA1Ud | ||
JQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDATANBgkqhkiG9w0BAQsFAAOCAQEADQw8 | ||
fw/RgOTtx9QVxUYMVD55VtdX/xctaAllTnE3A2T03/o73pdLs8owaPd0CbUFZO4m | ||
0AgaSzOamd3HHTY9TBxtddGh1wU+yxWMB+XhffAQwHpxIZ/BVMhu3pf5024D7S6k | ||
5dskfY/011+JmCi28Rfwb86mlwluR4fOczSTW22815aZv8LXxsCrwzbft86pa+dQ | ||
b6lzWsT6H+BE92xBCpgrZyMBCSs0hXfDQV7f0lVJcD+Z3bJkDPO/8yue2IyluUx+ | ||
Eovpt5wY4AhiorLD5xw5jY4cFLooDLOyV8VGJ56GuAUVpvYKivD92k5whTl7fSAR | ||
xsubPWWjGPtNl9vpyQ== | ||
-----END CERTIFICATE-----`) |
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