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#!/bin/sh
# Copyright (C) 2019-2022 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/.
# This script is primarily used for MySQL unit tests, which need to
# ensure an empty, but schema correct database for each test. It
# deletes ALL transient data from an existing Kea MySQL schema,
# including leases, reservations, etc... Use at your own peril.
# Reference tables will be left in-tact.
# shellcheck disable=SC1091
# SC1091: Not following: ... was not specified as input (see shellcheck -x).
# 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="@prefix@"
# Include utilities. Use installed version if available and
# use build version if it isn't.
if [ -e @datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh ]; then
. "@datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh"
else
. "@abs_top_builddir@/src/bin/admin/admin-utils.sh"
fi
# First argument must be the expected schema version <major>.<minor>
# Check if it's passed at all.
if [ "$#" -lt "1" ]; then
printf "Required at least one parameter: schema version number, e.g. 7.0\n"
exit 1
fi
exp_version="$1"
shift
# Remaining arguments are used as pgsql command line arguments
# If the existing schema doesn't match, the fail
VERSION=$(pgsql_version "$@")
if [ "$VERSION" = "" ]; then
printf "Cannot wipe data, schema version could not be detected.\n"
exit 1
fi
if [ "$VERSION" != "$exp_version" ]; then
printf 'Cannot wipe data, wrong schema version. '
printf 'Expected version %s, found %s.\n' "${exp_version}" "${VERSION}"
exit 1
fi
# Delete transient data from tables. We're using delete instead
# of truncate because it is much faster since our unit tests
# create very little data.
# Note we disable revision auditing to avoid issues with delete
# triggers.
psql "$@" >/dev/null <<EOF
SELECT set_config('kea.disable_audit', 'true', false);
START TRANSACTION;
DELETE FROM hosts CASCADE;
DELETE FROM dhcp4_options;
DELETE FROM ipv6_reservations;
DELETE FROM dhcp6_options;
DELETE FROM lease4;
DELETE FROM lease4_stat;
DELETE FROM lease6;
DELETE FROM lease6_stat;
DELETE FROM logs;
-- Config Backend tables
DELETE FROM dhcp4_audit;
DELETE FROM dhcp4_audit_revision;
DELETE FROM dhcp4_global_parameter;
DELETE FROM dhcp4_global_parameter_server;
DELETE FROM dhcp4_option_def;
DELETE FROM dhcp4_option_def_server;
DELETE FROM dhcp4_options;
DELETE FROM dhcp4_options_server;
DELETE FROM dhcp4_pool;
DELETE FROM dhcp4_server WHERE tag != 'all'; -- preserve the special tag
DELETE FROM dhcp4_shared_network;
DELETE FROM dhcp4_shared_network_server;
DELETE FROM dhcp4_subnet;
DELETE FROM dhcp4_subnet_server;
DELETE FROM dhcp6_audit;
DELETE FROM dhcp6_audit_revision;
DELETE FROM dhcp6_global_parameter;
DELETE FROM dhcp6_global_parameter_server;
DELETE FROM dhcp6_option_def;
DELETE FROM dhcp6_option_def_server;
DELETE FROM dhcp6_options;
DELETE FROM dhcp6_options_server;
DELETE FROM dhcp6_pool;
DELETE FROM dhcp6_pd_pool;
DELETE FROM dhcp6_server WHERE tag != 'all'; -- preserve the special tag
DELETE FROM dhcp6_shared_network;
DELETE FROM dhcp6_subnet;
COMMIT;
EOF
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