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Direktori : /backups/router/usr/local/share/kea/scripts/mysql/ |
Current File : //backups/router/usr/local/share/kea/scripts/mysql/wipe_data.sh |
#!/bin/sh # Copyright (C) 2019-2024 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/. # 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. # 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 . "${prefix}/share/kea/scripts/admin-utils.sh" fi # First argument must be the expected schema version <major>.<minor> # Check if it's passed at all. if [ "$#" -lt "1" ]; then printf "Required at least one parameter: schema version number, e.g. 7.0\n" exit 1 fi exp_version="$1" shift # Remaining arguments are used as mysql command line arguments # If the existing schema doesn't match, the fail VERSION=$(mysql_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. Per MySQL documentation TRUNCATE # destroys and there recreates tables. As schema updates are typically # very slow, we're use deletes here. We turn off foreign key checks to # worrying about table order. We also set the session variable # disable_audit to turn off Back audit procedures, to avoid attempting # to create entries for deleted records. mysql "$@" <<EOF START TRANSACTION; SET SESSION FOREIGN_KEY_CHECKS = 0; SET @disable_audit = 1; 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; # preserve special server "all" DELETE FROM dhcp4_server WHERE tag != "all"; DELETE FROM dhcp4_shared_network; DELETE FROM dhcp4_shared_network_server; DELETE FROM dhcp4_subnet; DELETE FROM dhcp4_subnet_server; DELETE FROM dhcp4_audit_revision; DELETE FROM dhcp4_audit; DELETE FROM dhcp4_client_class; DELETE FROM dhcp4_client_class_order; DELETE FROM dhcp4_client_class_dependency; DELETE FROM dhcp4_client_class_server; 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_pd_pool; DELETE FROM dhcp6_pool; # preserve special server "all" DELETE FROM dhcp6_server WHERE tag != "all"; DELETE FROM dhcp6_shared_network; DELETE FROM dhcp6_shared_network_server; DELETE FROM dhcp6_subnet; DELETE FROM dhcp6_subnet_server; DELETE FROM dhcp6_audit; DELETE FROM dhcp6_audit_revision; DELETE FROM dhcp6_client_class; DELETE FROM dhcp6_client_class_order; DELETE FROM dhcp6_client_class_dependency; DELETE FROM dhcp6_client_class_server; DELETE FROM hosts; DELETE FROM ipv6_reservations; DELETE FROM lease4; DELETE FROM lease4_stat; DELETE FROM lease4_pool_stat; DELETE FROM lease6; DELETE FROM lease6_stat; DELETE FROM lease6_pool_stat; DELETE FROM logs; DELETE FROM lease4_stat_by_client_class; DELETE FROM lease6_stat_by_client_class; DELETE FROM lease6_relay_id; DELETE FROM lease6_remote_id; COMMIT; EOF