bookstack/example/prep.d/20-rand-pwd.sh

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#!/bin/sh
set -euo pipefail
VAULT_KV_PATH=kv/service/bookstack
RAND_CMD="echo base64:$(openssl rand -base64 32)"
if ! vault kv list $(dirname ${VAULT_KV_PATH}) 2>/dev/null | grep -q -E "^$(basename ${VAULT_KV_PATH})\$"; then
vault kv put ${VAULT_KV_PATH} \
app_key=$(${RAND_CMD}) \
fi
for SECRET in app_key; do
if ! vault kv get -field ${SECRET} ${VAULT_KV_PATH} >/dev/null 2>&1; then
vault kv patch ${VAULT_KV_PATH} \
${SECRET}=$(${RAND_CMD})
fi
done