c12s-kubespray/roles/network_plugin/calico/templates/make-ssl-calico.sh.j2
Samuel Liu 424ef3b3f9
[calico] add calico apiserver (#8690)
* [calico] add calico apiserver

* fix yamllint

* remove addext argument

* Configure API server with the CA bundle

* add check kdd
2022-04-08 00:02:42 -07:00

103 lines
3.6 KiB
Django/Jinja

#!/bin/bash
# Author: Smana smainklh@gmail.com
#
# 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.
set -o errexit
set -o pipefail
usage()
{
cat << EOF
Create self signed certificates
Usage : $(basename $0) -f <config> [-d <ssldir>]
-h | --help : Show this message
-f | --config : Openssl configuration file
-d | --ssldir : Directory where the certificates will be installed
-c | --cadir : Directory where the existing CA is located
-s | --service : Service for the ca
ex :
$(basename $0) -f openssl.conf -d /srv/ssl
EOF
}
# Options parsing
while (($#)); do
case "$1" in
-h | --help) usage; exit 0;;
-f | --config) CONFIG=${2}; shift 2;;
-d | --ssldir) SSLDIR="${2}"; shift 2;;
-c | --cadir) CADIR="${2}"; shift 2;;
-s | --service) SERVICE="${2}"; shift 2;;
*)
usage
echo "ERROR : Unknown option"
exit 3
;;
esac
done
if [ -z ${CONFIG} ]; then
echo "ERROR: the openssl configuration file is missing. option -f"
exit 1
fi
if [ -z ${SSLDIR} ]; then
SSLDIR="/etc/calico/certs"
fi
tmpdir=$(mktemp -d /tmp/calico_${SERVICE}_certs.XXXXXX)
trap 'rm -rf "${tmpdir}"' EXIT
cd "${tmpdir}"
mkdir -p ${SSLDIR} ${CADIR}
# Root CA
if [ -e "$CADIR/ca.key" ]; then
# Reuse existing CA
cp $CADIR/{ca.crt,ca.key} .
else
openssl genrsa -out ca.key {{certificates_key_size}} > /dev/null 2>&1
openssl req -x509 -new -nodes -key ca.key -days {{certificates_duration}} -out ca.crt -subj "/CN=calico-${SERVICE}-ca" > /dev/null 2>&1
fi
if [ $SERVICE == "typha" ]; then
# Typha server
openssl genrsa -out typha-server.key {{certificates_key_size}} > /dev/null 2>&1
openssl req -new -key typha-server.key -out typha-server.csr -subj "/CN=typha-server" -config ${CONFIG} > /dev/null 2>&1
openssl x509 -req -in typha-server.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out typha-server.crt -days {{certificates_duration}} -extensions ssl_client -extfile ${CONFIG} > /dev/null 2>&1
# Typha client
openssl genrsa -out typha-client.key {{certificates_key_size}} > /dev/null 2>&1
openssl req -new -key typha-client.key -out typha-client.csr -subj "/CN=typha-client" -config ${CONFIG} > /dev/null 2>&1
openssl x509 -req -in typha-client.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out typha-client.crt -days {{certificates_duration}} -extensions ssl_client -extfile ${CONFIG} > /dev/null 2>&1
elif [ $SERVICE == "apiserver" ]; then
# calico-apiserver
openssl genrsa -out apiserver.key {{certificates_key_size}} > /dev/null 2>&1
openssl req -new -key apiserver.key -out apiserver.csr -subj "/CN=calico-apiserver" -config ${CONFIG} > /dev/null 2>&1
openssl x509 -req -in apiserver.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out apiserver.crt -days {{certificates_duration}} -extensions ssl_client -extfile ${CONFIG} > /dev/null 2>&1
else
echo "ERROR: the openssl configuration file is missing. option -s"
exit 1
fi
# Install certs
if [ -e "$CADIR/ca.key" ]; then
# No pass existing CA
rm -f ca.crt ca.key
fi
mv {*.crt,*.key} ${SSLDIR}/