Current File : //backups/router/usr/local/share/kea/scripts/mysql/upgrade_011_to_012.sh
#!/bin/sh
# Copyright (C) 2021-2024 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Exit with error if commands exit with non-zero and if undefined variables are
# used.
set -eu
# shellcheck disable=SC2034
# SC2034: ... appears unused. Verify use (or export if used externally).
prefix="/usr/local"
# Include utilities based on location of this script. Check for sources first,
# so that the unexpected situations with weird paths fall on the default
# case of installed.
script_path=$(cd "$(dirname "${0}")" && pwd)
if test "${script_path}" = "/usr/obj/usr/ports/net/kea/work/kea-2.6.1/src/share/database/scripts/mysql"; then
# shellcheck source=./src/bin/admin/admin-utils.sh.in
. "/usr/obj/usr/ports/net/kea/work/kea-2.6.1/src/bin/admin/admin-utils.sh"
else
# shellcheck source=./src/bin/admin/admin-utils.sh.in
. "${prefix}/share/kea/scripts/admin-utils.sh"
fi
# Check version.
version=$(mysql_version "${@}")
if test "${version}" != "11.0"; then
printf 'This script upgrades 11.0 to 12.0. '
printf 'Reported version is %s. Skipping upgrade.\n' "${version}"
exit 0
fi
# Get the schema name from database argument. We need this to
# query information_schema for the right database.
for arg in "${@}"
do
if ! printf '%s' "${arg}" | grep -Eq -- '^--'
then
schema="$arg"
break
fi
done
# Make sure we have the schema.
if [ -z "$schema" ]
then
printf "Could not find database schema name in cmd line args: %s\n" "${*}"
exit 255
fi
mysql "$@" <<EOF
-- This line starts the schema upgrade to version 12.0.
-- Ensure that dhcp_client_class is NULL when an option does not
-- belong to any client class. Later, we will add foreign keys for
-- the dhcp_client_class columns, and it requires that the columns
-- are NULL when there are no corresponding client classes.
SET @disable_audit = 1;
UPDATE dhcp4_options SET dhcp_client_class = NULL
WHERE scope_id <> 2;
UPDATE dhcp6_options SET dhcp_client_class = NULL
WHERE scope_id <> 2;
SET @disable_audit = 0;
-- Add a foreign keys referencing a client classes. If an option is
-- associated with a client class, the option will be deleted
-- along with the deleted client class.
ALTER TABLE dhcp4_options
ADD CONSTRAINT fk_dhcp4_options_client_class
FOREIGN KEY (dhcp_client_class)
REFERENCES dhcp4_client_class (name)
ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE dhcp6_options
ADD CONSTRAINT fk_dhcp6_options_client_class
FOREIGN KEY (dhcp_client_class)
REFERENCES dhcp6_client_class (name)
ON DELETE CASCADE ON UPDATE CASCADE;
-- Update the schema version number.
UPDATE schema_version
SET version = '12', minor = '0';
-- This line concludes the schema upgrade to version 12.0.
EOF
Mini Shell