diff options
Diffstat (limited to 'src/share/database/scripts/pgsql/upgrade_001.0_to_002.0.sh.in')
| -rw-r--r-- | src/share/database/scripts/pgsql/upgrade_001.0_to_002.0.sh.in | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/share/database/scripts/pgsql/upgrade_001.0_to_002.0.sh.in b/src/share/database/scripts/pgsql/upgrade_001.0_to_002.0.sh.in new file mode 100644 index 0000000..658c92e --- /dev/null +++ b/src/share/database/scripts/pgsql/upgrade_001.0_to_002.0.sh.in @@ -0,0 +1,173 @@ +#!/bin/sh + +# Copyright (C) 2016-2022 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 [ "$VERSION" != "1.0" ]; then + printf 'This script upgrades 1.0 to 2.0. ' + printf 'Reported version is %s. Skipping upgrade.\n' "${VERSION}" + exit 0 +fi + +psql "$@" >/dev/null <<EOF +-- Add state column to the lease4 table. +ALTER TABLE lease4 + ADD COLUMN state INT8 DEFAULT 0; + +-- Add state column to the lease6 table. +ALTER TABLE lease6 + ADD COLUMN state INT8 DEFAULT 0; + +-- Create indexes for querying leases in a given state and segregated +-- by the expiration time. One of the applications is to retrieve all +-- expired leases. However, these indexes can be also used to retrieve +-- leases in a given state regardless of the expiration time. +CREATE INDEX lease4_by_state_expire ON lease4 (state ASC, expire ASC); +CREATE INDEX lease6_by_state_expire ON lease6 (state ASC, expire ASC); + +-- Create table holding mapping of the lease states to their names. +-- This is not used in queries from the DHCP server but rather in +-- direct queries from the lease database management tools. +CREATE TABLE lease_state ( + state INT8 PRIMARY KEY NOT NULL, + name VARCHAR(64) NOT NULL); + +-- Insert currently defined state names. +START TRANSACTION; +INSERT INTO lease_state VALUES (0, 'default'); +INSERT INTO lease_state VALUES (1, 'declined'); +INSERT INTO lease_state VALUES (2, 'expired-reclaimed'); +COMMIT; + +-- Add a constraint that any state value added to the lease4 must +-- map to a value in the lease_state table. +ALTER TABLE lease4 + ADD CONSTRAINT fk_lease4_state FOREIGN KEY (state) + REFERENCES lease_state (state); + +-- Add a constraint that any state value added to the lease6 must +-- map to a value in the lease_state table. +ALTER TABLE lease6 + ADD CONSTRAINT fk_lease6_state FOREIGN KEY (state) + REFERENCES lease_state (state); + +-- Add a constraint that lease type in the lease6 table must map +-- to a lease type defined in the lease6_types table. +ALTER TABLE lease6 + ADD CONSTRAINT fk_lease6_type FOREIGN KEY (lease_type) + REFERENCES lease6_types (lease_type); + +-- +-- FUNCTION that returns a result set containing the column names for lease4 dumps +DROP FUNCTION IF EXISTS lease4DumpHeader(); +CREATE FUNCTION lease4DumpHeader() RETURNS text AS \$\$ + select cast('address,hwaddr,client_id,valid_lifetime,expire,subnet_id,fqdn_fwd,fqdn_rev,hostname,state' as text) as result; +\$\$ LANGUAGE SQL; +-- + +-- +-- FUNCTION that returns a result set containing the data for lease4 dumps +DROP FUNCTION IF EXISTS lease4DumpData(); +CREATE FUNCTION lease4DumpData() RETURNS + table (address inet, + hwaddr text, + client_id text, + valid_lifetime bigint, + expire timestamp with time zone, + subnet_id bigint, + fqdn_fwd int, + fqdn_rev int, + hostname text, + state text + ) as \$\$ + SELECT ('0.0.0.0'::inet + l.address), + encode(l.hwaddr,'hex'), + encode(l.client_id,'hex'), + l.valid_lifetime, + l.expire, + l.subnet_id, + l.fqdn_fwd::int, + l.fqdn_rev::int, + l.hostname, + s.name + FROM lease4 l + left outer join lease_state s on (l.state = s.state); +\$\$ LANGUAGE SQL; +-- + +-- +-- FUNCTION that returns a result set containing the column names for lease6 dumps +DROP FUNCTION IF EXISTS lease6DumpHeader(); +CREATE FUNCTION lease6DumpHeader() RETURNS text AS \$\$ + select cast('address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,state' as text) as result; +\$\$ LANGUAGE SQL; +-- + +-- +-- FUNCTION that returns a result set containing the data for lease6 dumps +DROP FUNCTION IF EXISTS lease6DumpData(); +CREATE FUNCTION lease6DumpData() RETURNS + TABLE ( + address text, + duid text, + valid_lifetime bigint, + expire timestamp with time zone, + subnet_id bigint, + pref_lifetime bigint, + name text, + iaid integer, + prefix_len smallint, + fqdn_fwd int, + fqdn_rev int, + hostname text, + state text + ) AS \$\$ + SELECT (l.address, + encode(l.duid,'hex'), + l.valid_lifetime, + l.expire, + l.subnet_id, + l.pref_lifetime, + t.name, + l.iaid, + l.prefix_len, + l.fqdn_fwd::int, + l.fqdn_rev::int, + l.hostname, + s.name) + FROM lease6 l + left outer join lease6_types t on (l.lease_type = t.lease_type) + left outer join lease_state s on (l.state = s.state); +\$\$ LANGUAGE SQL; +-- + +-- Set 2.0 schema version. +START TRANSACTION; +UPDATE schema_version + SET version = '2', minor = '0'; +COMMIT; +EOF |