mirror of
https://github.com/openvswitch/ovs
synced 2025-08-22 18:07:40 +00:00
bd90524550
Fixes: 1ca0323e7c29 ("Require Python 3 and remove support for Python 2.")
Reported at: https://bugzilla.redhat.com/show_bug.cgi?id=1949875
Signed-off-by: Rosemarie O'Riorden <roriorde@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
# Copyright (c) 2012 Nicira, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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vswitch module allows its callers to interact with OVS DB.
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"""
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from . import util
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def ovs_vsctl_add_bridge(bridge):
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"""
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This function creates an OVS bridge.
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"""
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ret, _out, _err = util.start_process(["ovs-vsctl", "add-br", bridge])
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return ret
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def ovs_vsctl_del_bridge(bridge):
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"""
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This function deletes the OVS bridge.
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"""
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ret, _out, _err = util.start_process(["ovs-vsctl", "del-br", bridge])
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return ret
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def ovs_vsctl_del_pbridge(bridge, iface):
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"""
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This function deletes the OVS bridge and assigns the bridge IP address
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back to the iface.
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"""
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(ip_addr, mask) = util.interface_get_ip(bridge)
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util.interface_assign_ip(iface, ip_addr, mask)
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util.interface_up(iface)
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util.move_routes(bridge, iface)
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return ovs_vsctl_del_bridge(bridge)
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def ovs_vsctl_is_ovs_bridge(bridge):
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"""
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This function verifies whether given port is an OVS bridge. If it is an
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OVS bridge then it will return True.
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"""
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ret, _out, _err = util.start_process(["ovs-vsctl", "br-exists", bridge])
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return ret == 0
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def ovs_vsctl_add_port_to_bridge(bridge, iface):
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"""
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This function adds given interface to the bridge.
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"""
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ret, _out, _err = util.start_process(["ovs-vsctl", "add-port", bridge,
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iface])
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return ret
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def ovs_vsctl_del_port_from_bridge(port):
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"""
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This function removes given port from a OVS bridge.
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"""
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ret, _out, _err = util.start_process(["ovs-vsctl", "del-port", port])
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return ret
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def ovs_vsctl_set(table, record, column, key, value):
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"""
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This function allows to alter the OVS database. If column is a map, then
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caller should also set the key, otherwise the key should be left as an
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empty string.
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"""
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if key is None:
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index = column
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else:
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index = "%s:%s" % (column, key)
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index_value = "%s=%s" % (index, value)
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ret, _out, _err = util.start_process(["ovs-vsctl", "set", table, record,
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index_value])
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return ret
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def ovs_get_physical_interface(bridge):
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"""
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This function tries to figure out which is the physical interface that
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belongs to the bridge. If there are multiple physical interfaces assigned
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to this bridge then it will return the first match.
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"""
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ret, out, _err = util.start_process(["ovs-vsctl", "list-ifaces", bridge])
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if ret == 0:
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ifaces = out.splitlines()
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for iface in ifaces:
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ret, out, _err = util.start_process(["ovs-vsctl", "get",
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"Interface", iface, "type"])
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if ret == 0:
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if ('""' in out) or ('system' in out):
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return iface # this should be the physical interface
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return None
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