ci/tiller-secret-gen/bin/cert-gen.sh

   1 #!/bin/sh
   2
   3 #   Copyright (c) 2019 AT&T Intellectual Property.
   4 #   Copyright (c) 2019 Nokia.
   5 #
   6 #   Licensed under the Apache License, Version 2.0 (the "License");
   7 #   you may not use this file except in compliance with the License.
   8 #   You may obtain a copy of the License at
   9 #
  10 #       http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 #   Unless required by applicable law or agreed to in writing, software
  13 #   distributed under the License is distributed on an "AS IS" BASIS,
  14 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 #   See the License for the specific language governing permissions and
  16 #   limitations under the License.
  17
  18 dnBase=${CERT_DN:-'/C=US/O=O-RAN Alliance/OU=O-RAN Software Community'}
  19 keyBits=${KEY_BITS:-4096}
  20
  21 CAHome=${CA_DIR:-'/pki'}
  22 CADays=${CA_CERT_EXPIRY:-9125}
  23 CAKey=${CAHome}/${CA_KEY_NAME:-ca.key.pem}
  24 CACert=${CAHome}/${CA_CERT_NAME:-ca.cert.pem}
  25 #
  26 CertHome=${CERT_DIR:-$CAHome}
  27 #
  28 TillerDays=${TILLER_CERT_EXPIRY:-3650}
  29 TillerKey=${CertHome}/${TILLER_KEY_NAME:-tiller.key.pem}
  30 TillerCert=${CertHome}/${TILLER_CERT_NAME:-tiller.cert.pem}
  31 TillerCN=${TILLER_CN:-tiller}
  32 #
  33 HelmDays=${HELM_CERT_EXPIRY:-3650}
  34 HelmKey=${CertHome}/${HELM_KEY_NAME:-helm.key.pem}
  35 HelmCert=${CertHome}/${HELM_CERT_NAME:-helm.cert.pem}
  36 HelmCN=${HELM_CN:-helm}
  37
  38 # 1. CA
  39 if [ ! -d ${CAHome} ]; then
  40   mkdir -p ${CAHome}
  41 fi
  42 if [ ! -f ${CAKey} ]; then
  43   openssl genrsa -out ${CAKey} ${keyBits}
  44 fi
  45 if [ ! -f ${CACert} ]; then
  46  openssl req -new -x509 -extensions v3_ca -sha256 -days ${CADays} \
  47   -key ${CAKey} \
  48   -out ${CACert} \
  49   -subj "${dnBase}"
  50 fi
  51
  52 # 2. tiller server cert
  53 if [ ! -f ${TillerKey} ]; then
  54  openssl genrsa -out ${TillerKey} ${keyBits}
  55 fi
  56 if [ ! -f ${TillerCert} ]; then
  57  CSR=`mktemp`
  58  openssl req -new -sha256 \
  59   -key ${TillerKey} \
  60   -out ${CSR} \
  61   -subj "${dnBase}/CN=${TillerCN}"
  62  openssl x509 -req -CAcreateserial -days ${TillerDays} \
  63   -CA ${CACert} \
  64   -CAkey ${CAKey} \
  65   -in ${CSR} \
  66   -out ${TillerCert}
  67 fi
  68
  69 # 3. helm client cert
  70 if [ ! -f ${HelmKey} ]; then
  71  openssl genrsa -out ${HelmKey} ${keyBits}
  72 fi
  73 if [ ! -f ${HelmCert} ]; then
  74  CSR=`mktemp`
  75  openssl req -new -sha256 \
  76   -key ${HelmKey} \
  77   -out ${CSR} \
  78   -subj "${dnBase}/CN=${HelmCN}"
  79  openssl x509 -req -CAcreateserial -days ${HelmDays} \
  80   -CA ${CACert} \
  81   -CAkey ${CAKey} \
  82   -in ${CSR} \
  83   -out ${HelmCert}
  84 fi