diff options
Diffstat (limited to 'src/share/database/scripts/pgsql/upgrade_011_to_012.sh.in')
| -rw-r--r-- | src/share/database/scripts/pgsql/upgrade_011_to_012.sh.in | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/share/database/scripts/pgsql/upgrade_011_to_012.sh.in b/src/share/database/scripts/pgsql/upgrade_011_to_012.sh.in new file mode 100644 index 0000000..00a02dc --- /dev/null +++ b/src/share/database/scripts/pgsql/upgrade_011_to_012.sh.in @@ -0,0 +1,106 @@ +#!/bin/sh + +# Copyright (C) 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/. + +# 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 + +VERSION=$(pgsql_version "$@") + +if [ "$VERSION" != "11.0" ]; then + printf 'This script upgrades 11.0 to 12.0. ' + printf 'Reported version is %s. Skipping upgrade.\n' "${VERSION}" + exit 0 +fi + +psql "$@" >/dev/null <<EOF +START TRANSACTION; + +-- This line starts the schema upgrade to version 12. + +-- Modify shared-network-name foreign key constraint on dhcp4_subnet to not perform +-- the update when the network is deleted the cascaded update will not execute +-- dhcp4_subnet update trigger leaving the updated subnets without audit_entries. +ALTER TABLE dhcp4_subnet + DROP CONSTRAINT fk_dhcp4_subnet_shared_network, + ADD CONSTRAINT fk_dhcp4_subnet_shared_network FOREIGN KEY (shared_network_name) + REFERENCES dhcp4_shared_network (name) + ON DELETE NO ACTION ON UPDATE NO ACTION; + +-- Modify BEFORE delete trigger function on dhcp4_shared_network to explicitly +-- update dhcp4_subnets. This ensures there are audit entries for updated +-- subnets. +-- Trigger function for dhcp4_shared_network_BDEL called BEFORE DELETE on dhcp4_shared_network +CREATE OR REPLACE FUNCTION func_dhcp4_shared_network_BDEL() RETURNS TRIGGER AS \$dhcp4_shared_network_BDEL\$ +BEGIN + PERFORM createAuditEntryDHCP4('dhcp4_shared_network', OLD.id, 'delete'); + -- Explicitly update subnets now rather than via foreign key constraint, this ensures the + -- audit entries for subnets will preceded that of the shared-network, keeping the order + -- of the entries the same as they are for MySQL. + UPDATE dhcp4_subnet SET shared_network_name = NULL WHERE shared_network_name = OLD.name; + DELETE FROM dhcp4_options WHERE shared_network_name = OLD.name; + RETURN OLD; +END; +\$dhcp4_shared_network_BDEL\$ +LANGUAGE plpgsql; + +-- Modify shared-network-name foreign key constraint on dhcp6_subnet to not perform +-- the update when the network is deleted the cascaded update will not execute +-- dhcp6_subnet update trigger leaving the updated subnets without audit_entries. +ALTER TABLE dhcp6_subnet + DROP CONSTRAINT fk_dhcp6_subnet_shared_network, + ADD CONSTRAINT fk_dhcp6_subnet_shared_network FOREIGN KEY (shared_network_name) + REFERENCES dhcp6_shared_network (name) + ON DELETE NO ACTION ON UPDATE NO ACTION; + +-- Modify BEFORE delete trigger function on dhcp6_shared_network to explicitly +-- update dhcp6_subnets. This ensures there are audit entries for updated +-- subnets. +-- Trigger function for dhcp6_shared_network_BDEL called BEFORE DELETE on dhcp6_shared_network +CREATE OR REPLACE FUNCTION func_dhcp6_shared_network_BDEL() RETURNS TRIGGER AS \$dhcp6_shared_network_BDEL\$ +BEGIN + PERFORM createAuditEntryDHCP6('dhcp6_shared_network', OLD.id, 'delete'); + -- Explicitly update subnets now rather than via foreign key constraint, this ensures the + -- audit entries for subnets will preceded that of the shared-network, keeping the order + -- of the entries the same as they are for MySQL. + UPDATE dhcp6_subnet SET shared_network_name = NULL WHERE shared_network_name = OLD.name; + DELETE FROM dhcp6_options WHERE shared_network_name = OLD.name; + RETURN OLD; +END; +\$dhcp6_shared_network_BDEL\$ +LANGUAGE plpgsql; + +-- Add user_context column to client class tables. +ALTER TABLE dhcp4_client_class ADD COLUMN user_context JSON DEFAULT NULL; +ALTER TABLE dhcp6_client_class ADD COLUMN user_context JSON DEFAULT NULL; + +-- Update the schema version number. +UPDATE schema_version + SET version = '12', minor = '0'; + +-- This line concludes the schema upgrade to version 12. + +-- Commit the script transaction. +COMMIT; + +EOF |