62 lines
1.6 KiB

#!/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"