3 files changed, 126 insertions, 0 deletions
diff --git a/networking-odl/networking_odl/cmd/__init__.py b/networking-odl/networking_odl/cmd/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/networking-odl/networking_odl/cmd/__init__.py
diff --git a/networking-odl/networking_odl/cmd/set_ovs_hostconfigs.py b/networking-odl/networking_odl/cmd/set_ovs_hostconfigs.py
new file mode 100644
index 0000000..8b8b1d3
--- /dev/null
+++ b/networking-odl/networking_odl/cmd/set_ovs_hostconfigs.py
@@ -0,0 +1,123 @@
+# Copyright (c) 2016 OpenStack Foundation
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from oslo_config import cfg
+from oslo_log import log
+from oslo_serialization import jsonutils
+
+from neutron._i18n import _
+from neutron._i18n import _LE
+from neutron._i18n import _LI
+from neutron.agent.common import utils
+from neutron.common import config
+
+LOG = log.getLogger(__name__)
+
+
+class SetOvsHostconfigs(object):
+
+    # Refer below for ovs ext-id strings
+    # https://review.openstack.org/#/c/309630/
+    extid_str = 'external_ids:{}={}'
+    odl_os_hconf_str = 'odl_os_hostconfig_config_{}'
+    odl_os_hostid_str = 'odl_os_hostconfig_hostid'
+    odl_os_hosttype_str = 'odl_os_hostconfig_hosttype'
+
+    # TODO(mzmalick): use neutron.agent.ovsdb instead of subprocess.Popen
+    ovs_cmd_get_uuid = ['ovs-vsctl', 'get', 'Open_vSwitch', '.', '_uuid']
+    ovs_cmd_set_extid = ['ovs-vsctl', 'set', 'Open_vSwitch', '', '']
+
+    UUID = 3
+    EXTID = 4
+
+    def __init__(self):
+        self.ovs_uuid = self.get_ovs_uuid()
+
+    def ovs_exec_cmd(self, cmd):
+        LOG.info(_LI("SET-HOSTCONFIGS: Executing cmd: %s"), ' '.join(cmd))
+        return utils.execute(cmd, return_stderr=True, run_as_root=True)
+
+    def get_ovs_uuid(self):
+        return self.ovs_exec_cmd(self.ovs_cmd_get_uuid)[0].strip()
+
+    def set_extid_hostname(self, hname):
+        self.ovs_cmd_set_extid[self.UUID] = self.ovs_uuid
+        self.ovs_cmd_set_extid[self.EXTID] = self.extid_str.format(
+            self.odl_os_hostid_str, hname)
+        return self.ovs_exec_cmd(self.ovs_cmd_set_extid)
+
+    def set_extid_hosttype(self, htype):
+        self.ovs_cmd_set_extid[self.UUID] = self.ovs_uuid
+        self.ovs_cmd_set_extid[self.EXTID] = self.extid_str.format(
+            self.odl_os_hosttype_str, htype)
+        return self.ovs_exec_cmd(self.ovs_cmd_set_extid)
+
+    def set_extid_hostconfig(self, htype, hconfig):
+        ext_htype = self.odl_os_hconf_str.format(
+            htype.lower().replace(' ', '_'))
+        self.ovs_cmd_set_extid[self.UUID] = self.ovs_uuid
+        self.ovs_cmd_set_extid[self.EXTID] = self.extid_str.format(
+            ext_htype, jsonutils.dumps(hconfig))
+        return self.ovs_exec_cmd(self.ovs_cmd_set_extid)
+
+    def set_ovs_extid_hostconfigs(self, conf):
+        if not conf.ovs_hostconfigs:
+            LOG.error(_LE("ovs_hostconfigs argument needed!"))
+            return
+
+        json_str = cfg.CONF.ovs_hostconfigs
+        json_str.replace("\'", "\"")
+        LOG.debug("SET-HOSTCONFIGS: JSON String %s", json_str)
+
+        self.set_extid_hostname(cfg.CONF.host)
+        htype_config = jsonutils.loads(json_str)
+
+        for htype in htype_config.keys():
+            self.set_extid_hostconfig(htype, htype_config[htype])
+
+
+def setup_conf():
+    """setup cmdline options."""
+    cli_opts = [
+        cfg.StrOpt('ovs_hostconfigs', help=_(
+            "OVS hostconfiguration for OpenDaylight "
+            "as a JSON string"))
+    ]
+
+    conf = cfg.CONF
+    conf.register_cli_opts(cli_opts)
+    conf.import_opt('host', 'neutron.common.config')
+    conf()
+    return conf
+
+
+def main():
+
+    conf = setup_conf()
+    config.setup_logging()
+    SetOvsHostconfigs().set_ovs_extid_hostconfigs(conf)
+
+#
+# command line example (run without line breaks):
+#
+# set_ovs_hostconfigs.py  --ovs_hostconfigs='{"ODL L2": {
+# "supported_vnic_types":[{"vnic_type":"normal", "vif_type":"ovs",
+# "vif_details":{}}], "allowed_network_types":["local","vlan",
+# "vxlan","gre"], "bridge_mappings":{"physnet1":"br-ex"}},
+# "ODL L3": {}}' --debug
+#
+
+if __name__ == '__main__':
+    main()
diff --git a/networking-odl/networking_odl/cmd/test_setup_hostconfig.sh b/networking-odl/networking_odl/cmd/test_setup_hostconfig.sh
new file mode 100755
index 0000000..1651d0e
--- /dev/null
+++ b/networking-odl/networking_odl/cmd/test_setup_hostconfig.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+python set_ovs_hostconfigs.py  --debug --ovs_hostconfigs='{"ODL L2": {"supported_vnic_types":[{"vnic_type":"normal", "vif_type":"ovs", "vif_details":{}}], "allowed_network_types":["local","vlan", "vxlan","gre"], "bridge_mappings":{"physnet1":"br-ex"}}, "ODL L3": {"some_details": "dummy_details"}}'