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authorAlex Auvolat <alex@adnab.me>2022-04-20 15:03:04 +0200
committerAlex Auvolat <alex@adnab.me>2022-04-20 15:03:04 +0200
commit7c1444b7143710066f5173119a529c3b5e101300 (patch)
treeec5206aa0986e070b2ebae5fdbea8b385fa01875 /gen_pki
parenta8717f9bf5dbc9b102d872678f4e5d3d2790a408 (diff)
downloadnixcfg-7c1444b7143710066f5173119a529c3b5e101300.tar.gz
nixcfg-7c1444b7143710066f5173119a529c3b5e101300.zip
Move pki to pass
Diffstat (limited to 'gen_pki')
-rwxr-xr-xgen_pki118
1 files changed, 118 insertions, 0 deletions
diff --git a/gen_pki b/gen_pki
new file mode 100755
index 0000000..57da699
--- /dev/null
+++ b/gen_pki
@@ -0,0 +1,118 @@
+#!/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 = localhost
+DNS.4 = 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