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#!/bin/bash
## When writing relation script, remember: ## - they should be idempotents ## - they can be launched while the dockers is already up ## - they are launched from the host ## - the target of the link is launched first, and get a chance to ``relation-set`` ## - both side of the scripts get to use ``relation-get``.
DBNAME=$(relation-get dbname 2>/dev/null) || { DBNAME="$BASE_SERVICE_NAME" relation-set dbname "$DBNAME" }
USER=$(relation-get user 2>/dev/null) || { USER="$BASE_SERVICE_NAME" relation-set user "$USER" }
PASSWORD="$(relation-get password 2>/dev/null)"
. lib/common
set -e
## is there a previous password set for user $USER ?
NO_PREVIOUS_PASS= PREVIOUS_PASSWORD_PATH="$state_tmpdir/$SERVICE_NAME/pwd/$USER" PREVIOUS_PASSWORD=$(cat "$PREVIOUS_PASSWORD_PATH" 2>/dev/null) || NO_PREVIOUS_PASS=true
if PASSWORD="$(relation-get password 2>/dev/null)"; then if [ -z "$NO_PREVIOUS_PASS" -a "$PREVIOUS_PASSWORD" != "$PASSWORD" ]; then die "Inconsistent password specification for user '$USER' on ${DARKYELLOW}$TARGET_SERVICE_NAME$NORMAL." fi else if [ "$PREVIOUS_PASSWORD" ]; then PASSWORD="${PREVIOUS_PASSWORD}" else PASSWORD="$(gen_password)" info "Generated a new password for user '$USER'." fi fi
ensure_db_docker_running || exit 1 if [ "$?" == 0 ] && check_access "$DBNAME" "$USER" "$PASSWORD"; then info "Access to database '$DBNAME' from user '$USER' verified working." exit 0 fi
db_create "$DBNAME"
db_grant_rights "$DBNAME" "$USER" "$PASSWORD" info "Granted rights on database '$DBNAME' to user '$USER'."
relation-set password "$PASSWORD"
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