X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=database_utils%2Fmigrate_vim_db.sh;h=73e6cbd1e12362260c210691252c8cee4c3d1bca;hb=b7970ad8dac3d2e5f73654eae002e5c352964217;hp=e8415e421e9041917abdb8021a53a1450f78d43e;hpb=1b20f6629867e1f1fcdb8d6c0218869b8927a856;p=osm%2Fopenvim.git diff --git a/database_utils/migrate_vim_db.sh b/database_utils/migrate_vim_db.sh index e8415e4..73e6cbd 100755 --- a/database_utils/migrate_vim_db.sh +++ b/database_utils/migrate_vim_db.sh @@ -1,7 +1,7 @@ #!/bin/bash ## -# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U. +# Copyright 2015 Telefonica Investigacion y Desarrollo, S.A.U. # This file is part of openvim # All Rights Reserved. # @@ -24,6 +24,7 @@ # #Upgrade/Downgrade openvim database preserving the content # +DBUTILS="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" DBUSER="vim" DBPASS="" @@ -32,8 +33,10 @@ DBHOST="" DBPORT="3306" DBNAME="vim_db" QUIET_MODE="" +BACKUP_DIR="" +BACKUP_FILE="" #TODO update it with the last database version -LAST_DB_VERSION=22 +LAST_DB_VERSION=23 # Detect paths MYSQL=$(which mysql) @@ -50,11 +53,12 @@ function usage(){ echo -e " -P PORT database port. '$DBPORT' by default" echo -e " -h HOST database host. 'localhost' by default" echo -e " -d NAME database name. '$DBNAME' by default. Prompts if DB access fails" + echo -e " -b DIR backup folder where to create rollback backup file" echo -e " -q --quiet: Do not prompt for credentials and exit if cannot access to database" echo -e " --help shows this help" } -while getopts ":u:p:P:h:d:q-:" o; do +while getopts ":u:p:b:P:h:d:q-:" o; do case "${o}" in u) DBUSER="$OPTARG" @@ -71,6 +75,9 @@ while getopts ":u:p:P:h:d:q-:" o; do h) DBHOST="$OPTARG" ;; + b) + BACKUP_DIR="$OPTARG" + ;; q) export QUIET_MODE=yes ;; @@ -142,7 +149,6 @@ done DBCMD="mysql $DEF_EXTRA_FILE_PARAM $DBNAME" #echo DBCMD $DBCMD -#GET DATABASE VERSION # check that the database seems a openvim database if ! echo -e "show create table instances;\nshow create table numas" | $DBCMD >/dev/null 2>&1 then @@ -150,22 +156,6 @@ then exit 1; fi -if ! echo 'show create table schema_version;' | $DBCMD >/dev/null 2>&1 -then - DATABASE_VER="0.0" - DATABASE_VER_NUM=0 -else - DATABASE_VER_NUM=`echo "select max(version_int) from schema_version;" | $DBCMD | tail -n+2` - DATABASE_VER=`echo "select version from schema_version where version_int='$DATABASE_VER_NUM';" | $DBCMD | tail -n+2` - [ "$DATABASE_VER_NUM" -lt 0 -o "$DATABASE_VER_NUM" -gt 100 ] && - echo " Error can not get database version ($DATABASE_VER?)" >&2 && exit 1 - #echo "_${DATABASE_VER_NUM}_${DATABASE_VER}" -fi - -[ "$DATABASE_VER_NUM" -gt "$LAST_DB_VERSION" ] && - echo "Database has been upgraded with a newer version of this script. Use this version to downgrade" >&2 && - exit 1 - #GET DATABASE TARGET VERSION #DB_VERSION=0 #[ $OPENVIM_VER_NUM -gt 1091 ] && DATABASE_TARGET_VER_NUM=1 #>0.1.91 => 1 @@ -190,6 +180,7 @@ fi #[ $OPENVIM_VER_NUM -ge 5017 ] && DATABASE_TARGET_VER_NUM=20 #0.5.17 => 20 #[ $OPENVIM_VER_NUM -ge 5018 ] && DATABASE_TARGET_VER_NUM=21 #0.5.18 => 21 #[ $OPENVIM_VER_NUM -ge 5021 ] && DATABASE_TARGET_VER_NUM=22 #0.5.21 => 22 +#[ $OPENVIM_VER_NUM -ge 5024 ] && DATABASE_TARGET_VER_NUM=23 #0.5.24 => 23 # TODO ... put next versions here function upgrade_to_1(){ @@ -770,21 +761,52 @@ function downgrade_from_22(){ sql "DELETE FROM schema_version WHERE version_int = '22';" } +function upgrade_to_23(){ + echo " Add 'hypervisor' and 'os_type' column to 'instances' table" + sql "ALTER TABLE instances ADD COLUMN hypervisor enum('kvm','xen-unik','xenhvm') NOT NULL DEFAULT 'kvm' AFTER flavor_id;" + sql "ALTER TABLE instances ADD COLUMN os_image_type VARCHAR(24) NOT NULL DEFAULT 'other' AFTER hypervisor;" + echo " Add 'hypervisors' column to 'hosts' table" + sql "ALTER TABLE hosts ADD COLUMN hypervisors VARCHAR(255) NOT NULL DEFAULT 'kvm' AFTER features;" + sql "INSERT INTO schema_version (version_int, version, openvim_ver, comments, date) "\ + "VALUES (23, '0.23', '0.5.24', 'Add hypervisor, os_type to instances and add hypervisors to hosts', '2018-03-20');" +} + +function downgrade_from_23(){ + echo " Remove 'hypervisor' and 'os_type' column from 'instances' table" + sql "ALTER TABLE instances DROP COLUMN hypervisor;" + sql "ALTER TABLE instances DROP COLUMN os_image_type;" + echo " Remove 'hypervisors' column from 'hosts' table" + sql "ALTER TABLE hosts DROP COLUMN hypervisors;" + sql "DELETE FROM schema_version WHERE version_int = '23';" +} + # TODO ... put functions here -# echo "db version = "${DATABASE_VER_NUM} -[ $DB_VERSION -eq $DATABASE_VER_NUM ] && echo " current database version '$DATABASE_VER_NUM' is ok" && exit 0 -# Create a backup database content -TEMPFILE2="$(mktemp -q --tmpdir "backupdb.XXXXXX.sql")" -trap 'rm -f "$TEMPFILE2"' EXIT -mysqldump $DEF_EXTRA_FILE_PARAM --add-drop-table --add-drop-database --routines --databases $DBNAME > $TEMPFILE2 +function del_schema_version_process() +{ + echo "DELETE FROM schema_version WHERE version_int='0';" | $DBCMD || + ! echo " ERROR writing on schema_version" >&2 || exit 1 +} -function rollback_db() +function set_schema_version_process() { - cat $TEMPFILE2 | mysql $DEF_EXTRA_FILE_PARAM && echo " Aborted! Rollback database OK" || - echo " Aborted! Rollback database FAIL" - exit 1 + echo "INSERT INTO schema_version (version_int, version, openvim_ver, comments, date) VALUES "\ + "(0, '0.0', '0.0.0', 'migration from $DATABASE_VER_NUM to $DB_VERSION backup: $BACKUP_FILE',"\ + "'$(date +%Y-%m-%d)');" | $DBCMD || + ! echo " Cannot set database at migration process writing into schema_version" >&2 || exit 1 + +} + +function rollback_db() +{ + if echo $DATABASE_PROCESS | grep -q init ; then # Empty database. No backup needed + echo " Aborted! Rollback database not needed" && exit 1 + else # migration a non empty database or Recovering a migration process + cat $BACKUP_FILE | mysql $DEF_EXTRA_FILE_PARAM && echo " Aborted! Rollback database OK" && + del_schema_version_process && rm -f "$BACKUP_FILE" && exit 1 + echo " Aborted! Rollback database FAIL" && exit 1 + fi } function sql() # send a sql command @@ -793,27 +815,86 @@ function sql() # send a sql command return 0 } -#UPGRADE DATABASE step by step -while [ $DB_VERSION -gt $DATABASE_VER_NUM ] -do - echo " upgrade database from version '$DATABASE_VER_NUM' to '$((DATABASE_VER_NUM+1))'" - DATABASE_VER_NUM=$((DATABASE_VER_NUM+1)) - upgrade_to_${DATABASE_VER_NUM} - #FILE_="${DIRNAME}/upgrade_to_${DATABASE_VER_NUM}.sh" - #[ ! -x "$FILE_" ] && echo "Error, can not find script '$FILE_' to upgrade" >&2 && exit -1 - #$FILE_ || exit -1 # if fail return -done +function migrate() +{ + #UPGRADE DATABASE step by step + while [ $DB_VERSION -gt $DATABASE_VER_NUM ] + do + echo " upgrade database from version '$DATABASE_VER_NUM' to '$((DATABASE_VER_NUM+1))'" + DATABASE_VER_NUM=$((DATABASE_VER_NUM+1)) + upgrade_to_${DATABASE_VER_NUM} + #FILE_="${DIRNAME}/upgrade_to_${DATABASE_VER_NUM}.sh" + #[ ! -x "$FILE_" ] && echo "Error, can not find script '$FILE_' to upgrade" >&2 && exit -1 + #$FILE_ || exit -1 # if fail return + done -#DOWNGRADE DATABASE step by step -while [ $DB_VERSION -lt $DATABASE_VER_NUM ] -do - echo " downgrade database from version '$DATABASE_VER_NUM' to '$((DATABASE_VER_NUM-1))'" - #FILE_="${DIRNAME}/downgrade_from_${DATABASE_VER_NUM}.sh" - #[ ! -x "$FILE_" ] && echo "Error, can not find script '$FILE_' to downgrade" >&2 && exit -1 - #$FILE_ || exit -1 # if fail return - downgrade_from_${DATABASE_VER_NUM} - DATABASE_VER_NUM=$((DATABASE_VER_NUM-1)) -done + #DOWNGRADE DATABASE step by step + while [ $DB_VERSION -lt $DATABASE_VER_NUM ] + do + echo " downgrade database from version '$DATABASE_VER_NUM' to '$((DATABASE_VER_NUM-1))'" + #FILE_="${DIRNAME}/downgrade_from_${DATABASE_VER_NUM}.sh" + #[ ! -x "$FILE_" ] && echo "Error, can not find script '$FILE_' to downgrade" >&2 && exit -1 + #$FILE_ || exit -1 # if fail return + downgrade_from_${DATABASE_VER_NUM} + DATABASE_VER_NUM=$((DATABASE_VER_NUM-1)) + done +} + + +# check if current database is ok +function check_migration_needed() +{ + DATABASE_VER_NUM=`echo "select max(version_int) from schema_version;" | $DBCMD | tail -n+2` || + ! echo " ERROR cannot read from schema_version" || exit 1 + + if [[ -z "$DATABASE_VER_NUM" ]] || [[ "$DATABASE_VER_NUM" -lt 0 ]] || [[ "$DATABASE_VER_NUM" -gt 100 ]] ; then + echo " Error can not get database version ($DATABASE_VER_NUM?)" >&2 + exit 1 + fi + + [[ $DB_VERSION -eq $DATABASE_VER_NUM ]] && echo " current database version '$DATABASE_VER_NUM' is ok" && return 1 + [[ "$DATABASE_VER_NUM" -gt "$LAST_DB_VERSION" ]] && + echo "Database has been upgraded with a newer version of this script. Use this version to downgrade" >&2 && + exit 1 + return 0 +} + +DATABASE_PROCESS=`echo "select comments from schema_version where version_int=0;" | $DBCMD | tail -n+2` || + ! echo " ERROR cannot read from schema_version" || exit 1 +if [[ -z "$DATABASE_PROCESS" ]] ; then # migration a non empty database + check_migration_needed || exit 0 + # Create a backup database content + [[ -n "$BACKUP_DIR" ]] && BACKUP_FILE="$(mktemp -q "${BACKUP_DIR}/backupdb.XXXXXX.sql")" + [[ -z "$BACKUP_DIR" ]] && BACKUP_FILE="$(mktemp -q --tmpdir "backupdb.XXXXXX.sql")" + mysqldump $DEF_EXTRA_FILE_PARAM --add-drop-table --add-drop-database --routines --databases $DBNAME > $BACKUP_FILE || + ! echo "Cannot create Backup file '$BACKUP_FILE'" >&2 || exit 1 + echo " Backup file '$BACKUP_FILE' created" + # Set schema version + set_schema_version_process + migrate + del_schema_version_process + rm -f "$BACKUP_FILE" +elif echo $DATABASE_PROCESS | grep -q init ; then # Empty database. No backup needed + echo " Migrating an empty database" + if check_migration_needed ; then + migrate + fi + del_schema_version_process + +else # Recover Migration process + BACKUP_FILE=${DATABASE_PROCESS##*backup: } + [[ -f "$BACKUP_FILE" ]] || ! echo "Previous migration process fail and cannot recover backup file '$BACKUP_FILE'" >&2 || + exit 1 + echo " Previous migration was killed. Restoring database from rollback file'$BACKUP_FILE'" + cat $BACKUP_FILE | mysql $DEF_EXTRA_FILE_PARAM || ! echo " Cannot load backup file '$BACKUP_FILE'" >&2 || exit 1 + if check_migration_needed ; then + set_schema_version_process + migrate + fi + del_schema_version_process + rm -f "$BACKUP_FILE" +fi +exit 0 #echo done