#!/usr/bin/env sh set -ex cd $(dirname $0) CLUSTER="$1" if [ -z "$CLUSTER" ] || [ ! -d "cluster/$CLUSTER" ]; then echo "Usage: $0 <cluster name>" echo "The cluster name must be the name of a subdirectory of cluster/" exit 1 fi PREFIX="deuxfleurs/cluster/$CLUSTER" YEAR=$(date +%Y) for APP in consul nomad; do # 1. Create certificate authority if ! pass $PREFIX/$APP-ca.key >/dev/null; then echo "Generating $APP CA keys..." openssl genrsa 4096 | pass insert -m $PREFIX/$APP-ca.key openssl req -x509 -new -nodes \ -key <(pass $PREFIX/$APP-ca.key) -sha256 \ -days 3650 -subj "/C=FR/O=Deuxfleurs/CN=$APP" \ | pass insert -m -f $PREFIX/$APP-ca.crt fi CERT="${APP}${YEAR}" # 2. Create and sign certificates for inter-node communication if ! pass $PREFIX/$CERT.crt >/dev/null; then echo "Generating $CERT agent keys..." if ! pass $PREFIX/$CERT.key >/dev/null; then openssl genrsa 4096 | pass insert -m $PREFIX/$CERT.key fi openssl req -new -sha256 -key <(pass $PREFIX/$CERT.key) \ -subj "/C=FR/O=Deuxfleurs/CN=$APP" \ -out /tmp/tmp-$CLUSTER-$CERT.csr openssl req -in /tmp/tmp-$CLUSTER-$CERT.csr -noout -text openssl x509 -req -in /tmp/tmp-$CLUSTER-$CERT.csr \ -extensions v3_req \ -extfile <(cat <<EOF [req] distinguished_name = req_distinguished_name req_extensions = v3_req prompt = no [req_distinguished_name] C = FR O = Deuxfleurs CN = $APP [v3_req] keyUsage = keyEncipherment, keyCertSign, dataEncipherment extendedKeyUsage = serverAuth, clientAuth subjectAltName = @alt_names [alt_names] DNS.1 = server.$CLUSTER.$APP DNS.2 = client.$CLUSTER.$APP DNS.3 = $APP.service.$CLUSTER.consul DNS.4 = localhost DNS.5 = 127.0.0.1 EOF ) \ -CA <(pass $PREFIX/$APP-ca.crt) \ -CAkey <(pass $PREFIX/$APP-ca.key) -CAcreateserial \ -CAserial /tmp/tmp-$CLUSTER-$CERT.srl \ -days 700 \ | pass insert -m $PREFIX/$CERT.crt rm /tmp/tmp-$CLUSTER-$CERT.{csr,srl} fi # 3. Create client-only certificate used for the CLI if ! pass $PREFIX/$CERT-client.crt >/dev/null; then echo "Generating $CERT client keys..." if ! pass $PREFIX/$CERT-client.key >/dev/null; then openssl genrsa 4096 | pass insert -m $PREFIX/$CERT-client.key fi openssl req -new -sha256 -key <(pass $PREFIX/$CERT-client.key) \ -subj "/C=FR/O=Deuxfleurs/CN=$APP-client" \ -out /tmp/tmp-$CLUSTER-$CERT-client.csr openssl req -in /tmp/tmp-$CLUSTER-$CERT-client.csr -noout -text openssl x509 -req -in /tmp/tmp-$CLUSTER-$CERT-client.csr \ -extensions v3_req \ -extfile <(cat <<EOF [req] distinguished_name = req_distinguished_name req_extensions = v3_req prompt = no [req_distinguished_name] C = FR O = Deuxfleurs CN = $APP-client [v3_req] keyUsage = keyEncipherment, keyCertSign, dataEncipherment extendedKeyUsage = clientAuth subjectAltName = @alt_names [alt_names] DNS.1 = client.$CLUSTER.$APP EOF ) \ -CA <(pass $PREFIX/$APP-ca.crt) \ -CAkey <(pass $PREFIX/$APP-ca.key) \ -CAcreateserial -days 700 \ -CAserial /tmp/tmp-$CLUSTER-$CERT-client.srl \ | pass insert -m $PREFIX/$CERT-client.crt rm /tmp/tmp-$CLUSTER-$CERT-client.{csr,srl} fi #if [ ! -f $CERT-client.p12 ]; then # openssl pkcs12 -export -out $CERT-client.p12 \ # -in $APP-ca.pem -in $CERT-client.crt -inkey $CERT-client.key #fi done