- ovs-vsctl --no-wait --timeout=5 "$@"
-}
-
-ovsdb_tool () {
- ovsdb-tool -vconsole:off "$@"
-}
-
-create_db () {
- action "Creating empty database $DB_FILE" ovsdb_tool create "$DB_FILE" "$DB_SCHEMA"
-}
-
-upgrade_db () {
- schemaver=`ovsdb_tool schema-version "$DB_SCHEMA"`
- if test ! -e "$DB_FILE"; then
- log_warning_msg "$DB_FILE does not exist"
- install -d -m 755 -o root -g root `dirname $DB_FILE`
- create_db
- elif test X"`ovsdb_tool needs-conversion "$DB_FILE" "$DB_SCHEMA"`" != Xno; then
- # Back up the old version.
- version=`ovsdb_tool db-version "$DB_FILE"`
- cksum=`ovsdb_tool db-cksum "$DB_FILE" | awk '{print $1}'`
- backup=$DB_FILE.backup$version-$cksum
- action "Backing up database to $backup" cp "$DB_FILE" "$backup" || return 1
-
- # Compact database. This is important if the old schema did not enable
- # garbage collection (i.e. if it did not have any tables with "isRoot":
- # true) but the new schema does. In that situation the old database
- # may contain a transaction that creates a record followed by a
- # transaction that creates the first use of the record. Replaying that
- # series of transactions against the new database schema (as "convert"
- # does) would cause the record to be dropped by the first transaction,
- # then the second transaction would cause a referential integrity
- # failure (for a strong reference).
- #
- # Errors might occur on an Open vSwitch downgrade if ovsdb-tool doesn't
- # understand some feature of the schema used in the OVSDB version that
- # we're downgrading from, so we don't give up on error.
- action "Compacting database" ovsdb_tool compact "$DB_FILE"
-
- # Upgrade or downgrade schema.
- if action "Converting database schema" ovsdb_tool convert "$DB_FILE" "$DB_SCHEMA"; then
- :
- else
- log_warning_msg "Schema conversion failed, using empty database instead"
- rm -f "$DB_FILE"
- create_db
- fi
- fi