X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=database_utils%2Fmigrate_mano_db.sh;h=2d3f1bcff2ceb98669c84db9ef0aecc6630075c6;hb=fc7df372047d3e16f8e3779544d175175e33bef3;hp=3970a7ca2df8aa9b748fcb050c1bf515c2b73bcc;hpb=89aada4f5e6bd52afd284ed8b2a27a5b36e677bb;p=osm%2FRO.git diff --git a/database_utils/migrate_mano_db.sh b/database_utils/migrate_mano_db.sh index 3970a7ca..2d3f1bcf 100755 --- a/database_utils/migrate_mano_db.sh +++ b/database_utils/migrate_mano_db.sh @@ -33,6 +33,8 @@ DBHOST="" DBPORT="3306" DBNAME="mano_db" QUIET_MODE="" +BACKUP_DIR="" +BACKUP_FILE="" #TODO update it with the last database version LAST_DB_VERSION=36 @@ -51,11 +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" @@ -72,6 +75,9 @@ while getopts ":u:p:P:h:d:q-:" o; do h) DBHOST="$OPTARG" ;; + b) + BACKUP_DIR="$OPTARG" + ;; q) export QUIET_MODE=yes ;; @@ -143,7 +149,6 @@ done DBCMD="mysql $DEF_EXTRA_FILE_PARAM $DBNAME" #echo DBCMD $DBCMD -#GET DATABASE VERSION #check that the database seems a openmano database if ! echo -e "show create table vnfs;\nshow create table scenarios" | $DBCMD >/dev/null 2>&1 then @@ -151,22 +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-fi - -[ "$DATABASE_VER_NUM" -gt "$LAST_DB_VERSION" ] && - echo "Database has been upgraded with a newer version of this script.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 #[ $OPENMANO_VER_NUM -ge 2002 ] && DB_VERSION=1 #0.2.2 => 1 @@ -1360,19 +1349,31 @@ function downgrade_from_36(){ #TODO ... put functions here -# echo "db version = "${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 set_schema_version_process() +{ + echo "INSERT INTO schema_version (version_int, version, openmano_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() { - cat $TEMPFILE2 | mysql $DEF_EXTRA_FILE_PARAM && echo " Aborted! Rollback database OK" || - echo " Aborted! Rollback database FAIL" - exit 1 + 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 @@ -1381,27 +1382,86 @@ 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