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