@@ -7,6 +7,7 @@ Post-v2.8.0
"ovsdb-client convert".
* ovsdb-server now always hosts a built-in database named _Server. See
ovsdb-server(5) for more details.
+ * ovsdb-client: New "get-schema-cksum" command.
- ovs-vsctl and other commands that display data in tables now support a
--max-column-width option to limit column width.
- OVN:
@@ -156,6 +156,11 @@ If \fIdatabase\fR was created before schema versioning was introduced,
then it will not have a version number and this command will print a
blank line.
.
+.IP "\fBget\-schema\-cksum\fI \fR[\fIserver\fR] \fR[\fIdatabase\fR]"
+Connects to \fIserver\fR, retrieves the schema for \fIdatabase\fR, and
+prints its checksum on stdout. If \fIdatabase\fR does not include a
+checksum, prints a blank line.
+.
.SS "Data Management Commands"
.PP
These commands read or modify the data in a database.
@@ -274,6 +274,9 @@ usage(void)
"\n get-schema-version [SERVER] [DATABASE]\n"
" retrieve schema for DATABASE from SERVER and report only its\n"
" version number on stdout\n"
+ "\n get-schema-cksum [SERVER] [DATABASE]\n"
+ " retrieve schema for DATABASE from SERVER and report only its\n"
+ " checksum on stdout\n"
"\n list-tables [SERVER] [DATABASE]\n"
" list tables for DATABASE on SERVER\n"
"\n list-columns [SERVER] [DATABASE] [TABLE]\n"
@@ -473,6 +476,15 @@ do_get_schema_version(struct jsonrpc *rpc, const char *database,
}
static void
+do_get_schema_cksum(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
+ puts(schema->cksum);
+ ovsdb_schema_destroy(schema);
+}
+
+static void
do_list_tables(struct jsonrpc *rpc, const char *database,
int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
@@ -1666,6 +1678,7 @@ static const struct ovsdb_client_command all_commands[] = {
{ "list-dbs", NEED_RPC, 0, 0, do_list_dbs },
{ "get-schema", NEED_DATABASE, 0, 0, do_get_schema },
{ "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version },
+ { "get-schema-cksum", NEED_DATABASE, 0, 0, do_get_schema_cksum },
{ "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
{ "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
{ "transact", NEED_RPC, 1, 1, do_transact },
I don't have a particular use for this but it allows ovsdb-client to do all the things with schemas that ovsdb-tool can. Signed-off-by: Ben Pfaff <blp@ovn.org> --- NEWS | 1 + ovsdb/ovsdb-client.1.in | 5 +++++ ovsdb/ovsdb-client.c | 13 +++++++++++++ 3 files changed, 19 insertions(+)