postgres/example/prep.d/10-postgres-rand-pwd.sh

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#!/bin/sh
set -euo pipefail
# vim: syntax=sh
export LC_ALL=C
VAULT_KV_PATH=kv/service/postgres
RAND_CMD="tr -dc A-Za-z0-9\-_\/=~\.+ < /dev/urandom | head -c 50"
if ! vault kv list $(dirname ${VAULT_KV_PATH}) 2>/dev/null | grep -q -E "^$(basename ${VAULT_KV_PATH})\$"; then
vault kv put ${VAULT_KV_PATH} \
pg_pwd="$(sh -c "${RAND_CMD}")" \
api_pwd="$(sh -c "${RAND_CMD}")" \
monitor_pwd="$(sh -c "${RAND_CMD}")" \
replicator_pwd="$(sh -c "${RAND_CMD}")" \
rewind_pwd="$(sh -c "${RAND_CMD}")" \
vault_initial_pwd="$(sh -c "${RAND_CMD}")" \
fi
for SECRET in pg_pwd api_pwd monitor_pwd replicator_pwd rewind_pwd vault_initial_pwd; do
if ! vault kv get -field ${SECRET} ${VAULT_KV_PATH} >/dev/null 2>&1; then
vault kv patch ${VAULT_KV_PATH} \
${SECRET}=$(sh -c "${RAND_CMD}")
fi
done