@@ -84,7 +84,10 @@
<p>
<code>external_ids:ovn-bridge</code> specifies the
integration bridge to which logical ports are attached.
- The default is <code>br-int</code>.
+ The default is <code>br-int</code>. If this bridge does
+ not exist when ovn-controller starts, it will be created
+ automatically with the default configuration suggested in
+ <code>ovn-architecture</code>(7).
</p>
</li>
<li>
@@ -70,9 +70,53 @@ get_bridge(struct ovsdb_idl *ovs_idl, const char *br_name)
}
static const struct ovsrec_bridge *
-get_br_int(struct ovsdb_idl *ovs_idl)
+create_br_int(struct controller_ctx *ctx,
+ const struct ovsrec_open_vswitch *cfg,
+ const char *bridge_name)
{
- const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(ovs_idl);
+ if (!ctx->ovs_idl_txn) {
+ return NULL;
+ }
+
+ ovsdb_idl_txn_add_comment(ctx->ovs_idl_txn,
+ "ovn-controller: creating integration bridge '%s'", bridge_name);
+
+ struct ovsrec_interface *iface;
+ iface = ovsrec_interface_insert(ctx->ovs_idl_txn);
+ ovsrec_interface_set_name(iface, bridge_name);
+ ovsrec_interface_set_type(iface, "internal");
+
+ struct ovsrec_port *port;
+ port = ovsrec_port_insert(ctx->ovs_idl_txn);
+ ovsrec_port_set_name(port, bridge_name);
+ ovsrec_port_set_interfaces(port, &iface, 1);
+
+ struct ovsrec_bridge *bridge;
+ bridge = ovsrec_bridge_insert(ctx->ovs_idl_txn);
+ ovsrec_bridge_set_name(bridge, bridge_name);
+ ovsrec_bridge_set_fail_mode(bridge, "secure");
+ struct smap other_config = SMAP_INITIALIZER(&other_config);
+ smap_add(&other_config, "disable-in-band", "true");
+ ovsrec_bridge_set_other_config(bridge, &other_config);
+ smap_destroy(&other_config);
+ ovsrec_bridge_set_ports(bridge, &port, 1);
+
+ struct ovsrec_bridge **bridges;
+ size_t bytes = sizeof *bridges * cfg->n_bridges;
+ bridges = xmalloc(bytes + sizeof *bridges);
+ memcpy(bridges, cfg->bridges, bytes);
+ bridges[cfg->n_bridges] = bridge;
+ ovsrec_open_vswitch_verify_bridges(cfg);
+ ovsrec_open_vswitch_set_bridges(cfg, bridges, cfg->n_bridges + 1);
+
+ return bridge;
+}
+
+static const struct ovsrec_bridge *
+get_br_int(struct controller_ctx *ctx)
+{
+ const struct ovsrec_open_vswitch *cfg;
+ cfg = ovsrec_open_vswitch_first(ctx->ovs_idl);
if (!cfg) {
return NULL;
}
@@ -83,14 +127,11 @@ get_br_int(struct ovsdb_idl *ovs_idl)
}
const struct ovsrec_bridge *br;
- br = get_bridge(ovs_idl, br_int_name);
- if (br) {
- return br;
+ br = get_bridge(ctx->ovs_idl, br_int_name);
+ if (!br) {
+ return create_br_int(ctx, cfg, br_int_name);
}
-
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
- VLOG_WARN_RL(&rl, "%s: integration bridge does not exist", br_int_name);
- return NULL;
+ return br;
}
static const char *
@@ -374,6 +415,7 @@ main(int argc, char *argv[])
ovsdb_idl_add_table(ovs_idl_loop.idl, &ovsrec_table_open_vswitch);
ovsdb_idl_add_column(ovs_idl_loop.idl,
&ovsrec_open_vswitch_col_external_ids);
+ ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_open_vswitch_col_bridges);
ovsdb_idl_add_table(ovs_idl_loop.idl, &ovsrec_table_interface);
ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_interface_col_name);
ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_interface_col_type);
@@ -384,6 +426,9 @@ main(int argc, char *argv[])
ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_port_col_external_ids);
ovsdb_idl_add_table(ovs_idl_loop.idl, &ovsrec_table_bridge);
ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_bridge_col_ports);
+ ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_bridge_col_name);
+ ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_bridge_col_fail_mode);
+ ovsdb_idl_add_column(ovs_idl_loop.idl, &ovsrec_bridge_col_other_config);
chassis_register_ovs_idl(ovs_idl_loop.idl);
encaps_register_ovs_idl(ovs_idl_loop.idl);
binding_register_ovs_idl(ovs_idl_loop.idl);
@@ -406,7 +451,7 @@ main(int argc, char *argv[])
.ovnsb_idl_txn = ovsdb_idl_loop_run(&ovnsb_idl_loop),
};
- const struct ovsrec_bridge *br_int = get_br_int(ctx.ovs_idl);
+ const struct ovsrec_bridge *br_int = get_br_int(&ctx);
const char *chassis_id = get_chassis_id(ctx.ovs_idl);
/* Map bridges to local nets from ovn-bridge-mappings */
@@ -462,7 +507,7 @@ main(int argc, char *argv[])
.ovnsb_idl_txn = ovsdb_idl_loop_run(&ovnsb_idl_loop),
};
- const struct ovsrec_bridge *br_int = get_br_int(ctx.ovs_idl);
+ const struct ovsrec_bridge *br_int = get_br_int(&ctx);
const char *chassis_id = get_chassis_id(ctx.ovs_idl);
/* Run all of the cleanup functions, even if one of them returns false.
@@ -205,8 +205,10 @@
<p>
Each chassis in an OVN deployment must be configured with an Open vSwitch
bridge dedicated for OVN's use, called the <dfn>integration bridge</dfn>.
- System startup scripts create this bridge prior to starting
- <code>ovn-controller</code>. The ports on the integration bridge include:
+ System startup scripts may create this bridge prior to starting
+ <code>ovn-controller</code> if desired. If this bridge does not exist when
+ ovn-controller starts, it will be created automatically with the default
+ configuration suggested below. The ports on the integration bridge include:
</p>
<ul>
@@ -248,6 +250,8 @@
<code>ovs-vswitchd.conf.db</code>(5):
</p>
+ <!-- Keep the following in sync with create_br_int() in
+ ovn/controller/ovn-controller.c. -->
<dl>
<dt><code>fail-mode=secure</code></dt>
<dd>
@@ -347,8 +347,6 @@ if $ovn; then
ovs-vsctl set open . external-ids:ovn-remote=unix:"$sandbox"/db.sock
ovs-vsctl set open . external-ids:ovn-encap-type=geneve
ovs-vsctl set open . external-ids:ovn-encap-ip=127.0.0.1
- ovs-vsctl add-br br-int \
- -- set bridge br-int fail-mode=secure other-config:disable-in-band=true
rungdb $gdb_ovn_northd $gdb_ovn_northd_ex ovn-northd --detach --no-chdir --pidfile -vconsole:off --log-file
rungdb $gdb_ovn_controller $gdb_ovn_controller_ex ovn-controller --detach --no-chdir --pidfile -vconsole:off --log-file
ovn-controller previously required the integration bridge to be created before running ovn-controller. This patch makes ovn-controller automatically create it if it doesn't already exist. Signed-off-by: Russell Bryant <rbryant@redhat.com> --- ovn/controller/ovn-controller.8.xml | 5 ++- ovn/controller/ovn-controller.c | 67 +++++++++++++++++++++++++++++++------ ovn/ovn-architecture.7.xml | 8 +++-- tutorial/ovs-sandbox | 2 -- 4 files changed, 66 insertions(+), 16 deletions(-)