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-rwxr-xr-xsrc/conf_mode/bridge_has_members.py85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/conf_mode/bridge_has_members.py b/src/conf_mode/bridge_has_members.py
new file mode 100755
index 000000000..712a9cc46
--- /dev/null
+++ b/src/conf_mode/bridge_has_members.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import sys
+
+import vyos.config
+
+if len(sys.argv) < 2:
+ print("Argument (bridge interface name) is required")
+ sys.exit(1)
+else:
+ bridge = sys.argv[1]
+
+c = vyos.config.Config()
+
+members = []
+
+
+# Check in ethernet and bonding interfaces
+for p in ["interfaces ethernet", "interfaces bonding"]:
+ intfs = c.list_nodes(p)
+ for i in intfs:
+ intf_bridge_path = "{0} {1} bridge-group bridge".format(p, i)
+ if c.exists(intf_bridge_path):
+ intf_bridge = c.return_value(intf_bridge_path)
+ if intf_bridge == bridge:
+ members.append(i)
+ # Walk VLANs
+ for v in c.list_nodes("{0} {1} vif".format(p, i)):
+ vif_bridge_path = "{0} {1} vif {2} bridge-group bridge".format(p, i, v)
+ if c.exists(vif_bridge_path):
+ vif_bridge = c.return_value(vif_bridge_path)
+ if vif_bridge == bridge:
+ members.append("{0}.{1}".format(i, v))
+ # Walk QinQ interfaces
+ for vs in c.list_nodes("{0} {1} vif-s".format(p, i)):
+ vifs_bridge_path = "{0} {1} vif-s {2} bridge-group bridge".format(p, i, vs)
+ if c.exists(vifs_bridge_path):
+ vifs_bridge = c.return_value(vifs_bridge_path)
+ if vifs_bridge == bridge:
+ members.append("{0}.{1}".format(i, vs))
+ for vc in c.list_nodes("{0} {1} vif-s {2} vif-c".format(p, i, vs)):
+ vifc_bridge_path = "{0} {1} vif-s {2} vif-c {3} bridge-group bridge".format(p, i, vs, vc)
+ if c.exists(vifc_bridge_path):
+ vifc_bridge = c.return_value(vifc_bridge_path)
+ if vifc_bridge == bridge:
+ members.append("{0}.{1}.{2}".format(i, vs, vc))
+
+# Check tunnel interfaces
+for t in c.list_nodes("interfaces tunnel"):
+ tunnel_bridge_path = "interfaces tunnel {0} parameters ip bridge-group bridge".format(t)
+ if c.exists(tunnel_bridge_path):
+ intf_bridge = c.return_value(tunnel_bridge_path)
+ if intf_bridge == bridge:
+ members.append(t)
+
+# Check OpenVPN interfaces
+for o in c.list_nodes("interfaces openvpn"):
+ ovpn_bridge_path = "interfaces openvpn {0} bridge-group bridge".format(o)
+ if c.exists(ovpn_bridge_path):
+ intf_bridge = c.return_value(ovpn_bridge_path)
+ if intf_bridge == bridge:
+ members.append(o)
+
+if members:
+ print("Bridge {0} cannot be deleted because some interfaces are configured as its members".format(bridge))
+ print("The following interfaces are members of {0}: {1}".format(bridge, " ".join(members)))
+ sys.exit(1)
+else:
+ sys.exit(0)