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114 lines
4.3 KiB
114 lines
4.3 KiB
#!/usr/bin/env bash
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# shellcheck disable=SC1090
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2019 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Updates gravity.db database
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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readonly scriptPath="/etc/.pihole/advanced/Scripts/database_migration/gravity"
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upgrade_gravityDB(){
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local database piholeDir auditFile version
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database="${1}"
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piholeDir="${2}"
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auditFile="${piholeDir}/auditlog.list"
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# Get database version
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version="$(sqlite3 "${database}" "SELECT \"value\" FROM \"info\" WHERE \"property\" = 'version';")"
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if [[ "$version" == "1" ]]; then
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# This migration script upgrades the gravity.db file by
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# adding the domain_audit table
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echo -e " ${INFO} Upgrading gravity database from version 1 to 2"
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sqlite3 "${database}" < "${scriptPath}/1_to_2.sql"
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version=2
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# Store audit domains in database table
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if [ -e "${auditFile}" ]; then
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echo -e " ${INFO} Migrating content of ${auditFile} into new database"
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# database_table_from_file is defined in gravity.sh
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database_table_from_file "domain_audit" "${auditFile}"
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fi
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fi
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if [[ "$version" == "2" ]]; then
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# This migration script upgrades the gravity.db file by
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# renaming the regex table to regex_blacklist, and
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# creating a new regex_whitelist table + corresponding linking table and views
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echo -e " ${INFO} Upgrading gravity database from version 2 to 3"
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sqlite3 "${database}" < "${scriptPath}/2_to_3.sql"
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version=3
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fi
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if [[ "$version" == "3" ]]; then
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# This migration script unifies the formally separated domain
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# lists into a single table with a UNIQUE domain constraint
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echo -e " ${INFO} Upgrading gravity database from version 3 to 4"
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sqlite3 "${database}" < "${scriptPath}/3_to_4.sql"
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version=4
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fi
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if [[ "$version" == "4" ]]; then
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# This migration script upgrades the gravity and list views
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# implementing necessary changes for per-client blocking
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echo -e " ${INFO} Upgrading gravity database from version 4 to 5"
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sqlite3 "${database}" < "${scriptPath}/4_to_5.sql"
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version=5
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fi
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if [[ "$version" == "5" ]]; then
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# This migration script upgrades the adlist view
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# to return an ID used in gravity.sh
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echo -e " ${INFO} Upgrading gravity database from version 5 to 6"
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sqlite3 "${database}" < "${scriptPath}/5_to_6.sql"
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version=6
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fi
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if [[ "$version" == "6" ]]; then
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# This migration script adds a special group with ID 0
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# which is automatically associated to all clients not
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# having their own group assignments
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echo -e " ${INFO} Upgrading gravity database from version 6 to 7"
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sqlite3 "${database}" < "${scriptPath}/6_to_7.sql"
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version=7
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fi
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if [[ "$version" == "7" ]]; then
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# This migration script recreated the group table
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# to ensure uniqueness on the group name
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# We also add date_added and date_modified columns
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echo -e " ${INFO} Upgrading gravity database from version 7 to 8"
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sqlite3 "${database}" < "${scriptPath}/7_to_8.sql"
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version=8
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fi
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if [[ "$version" == "8" ]]; then
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# This migration fixes some issues that were introduced
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# in the previous migration script.
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echo -e " ${INFO} Upgrading gravity database from version 8 to 9"
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sqlite3 "${database}" < "${scriptPath}/8_to_9.sql"
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version=9
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fi
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if [[ "$version" == "9" ]]; then
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# This migration drops unused tables and creates triggers to remove
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# obsolete groups assignments when the linked items are deleted
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echo -e " ${INFO} Upgrading gravity database from version 9 to 10"
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sqlite3 "${database}" < "${scriptPath}/9_to_10.sql"
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version=10
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fi
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if [[ "$version" == "10" ]]; then
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# This adds timestamp and an optional comment field to the client table
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# These fields are only temporary and will be replaces by the columns
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# defined in gravity.db.sql during gravity swapping. We add them here
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# to keep the copying process generic (needs the same columns in both the
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# source and the destination databases).
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echo -e " ${INFO} Upgrading gravity database from version 10 to 11"
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sqlite3 "${database}" < "${scriptPath}/10_to_11.sql"
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version=11
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fi
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if [[ "$version" == "11" ]]; then
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# Rename group 0 from "Unassociated" to "Default"
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echo -e " ${INFO} Upgrading gravity database from version 11 to 12"
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sqlite3 "${database}" < "${scriptPath}/11_to_12.sql"
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version=12
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fi
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}
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