forked from Deuxfleurs/nixcfg
119 lines
2.8 KiB
Bash
Executable file
119 lines
2.8 KiB
Bash
Executable file
#!/bin/bash
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set -xe
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# Enter proper cluster subdirectory
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cd $(dirname $0)
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CLUSTER="$1"
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if [ ! -d "cluster/$CLUSTER" ]; then
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echo "Usage: $0 <cluster name>"
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echo "The cluster name must be the name of a subdirectory of cluster/"
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exit 1
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fi
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cd cluster/$CLUSTER
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mkdir -p secrets/pki
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cd secrets/pki
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# Do actual stuff
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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 [ ! -f $APP-ca.key ]; then
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echo "Generating $APP CA keys..."
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#openssl genpkey -algorithm ED25519 -out $APP-ca.key
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openssl genrsa -out $APP-ca.key 4096
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openssl req -x509 -new -nodes -key $APP-ca.key -sha256 -days 3650 -out $APP-ca.crt -subj "/C=FR/O=Deuxfleurs/CN=$APP"
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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 [ ! -f $CERT.crt ]; then
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echo "Generating $CERT agent keys..."
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if [ ! -f $CERT.key ]; then
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#openssl genpkey -algorithm ED25519 -out $CERT.key
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openssl genrsa -out $CERT.key 4096
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fi
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openssl req -new -sha256 -key $CERT.key \
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-subj "/C=FR/O=Deuxfleurs/CN=$APP" \
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-out $CERT.csr
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openssl req -in $CERT.csr -noout -text
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openssl x509 -req -in $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 = localhost
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DNS.4 = 127.0.0.1
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EOF
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) \
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-CA $APP-ca.crt -CAkey $APP-ca.key -CAcreateserial \
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-out $CERT.crt -days 700
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rm $CERT.csr
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fi
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# 3. Create client-only certificate used for the CLI
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if [ ! -f $CERT-client.crt ]; then
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echo "Generating $CERT client keys..."
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if [ ! -f $CERT-client.key ]; then
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#openssl genpkey -algorithm ED25519 -out $CERT-client.key
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openssl genrsa -out $CERT-client.key 4096
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fi
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openssl req -new -sha256 -key $CERT-client.key \
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-subj "/C=FR/O=Deuxfleurs/CN=$APP-client" \
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-out $CERT-client.csr
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openssl req -in $CERT-client.csr -noout -text
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openssl x509 -req -in $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 $APP-ca.crt -CAkey $APP-ca.key -CAcreateserial \
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-out $CERT-client.crt -days 700
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rm $CERT-client.csr
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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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