# - Set the fail-mode on internal bridges.
import getopt
-import logging, logging.handlers
+import logging
+import logging.handlers
import os
import signal
import subprocess
import ovs.db.idl
s_log = logging.getLogger("ovs-xapi-sync")
-vsctl="/usr/bin/ovs-vsctl"
+vsctl = "/usr/bin/ovs-vsctl"
session = None
force_run = False
+
# Set up a session to interact with XAPI.
#
# On system start-up, OVS comes up before XAPI, so we can't log into the
return True
+
def get_network_by_bridge(br_name):
if not init_session():
s_log.warning("Failed to get bridge id %s because"
return None
+
# By default, the "bridge-id" external id in the Bridge table is the
# same as "xs-network-uuids". This may be overridden by defining a
# "nicira-bridge-id" key in the "other_config" field of the network
return rec['other_config'].get('nicira-bridge-id', default)
return None
+
# By default, the "iface-id" external id in the Interface table is the
# same as "xs-vif-uuid". This may be overridden by defining a
# "nicira-iface-id" key in the "other_config" field of the VIF
s_log.warning("Could not find XAPI entry for VIF %s" % if_name)
return xs_vif_uuid
+
def call_vsctl(args):
cmd = [vsctl, "--timeout=30", "-vANY:console:off"] + args
exitcode = subprocess.call(cmd)
if exitcode != 0:
s_log.warning("Couldn't call ovs-vsctl")
+
def set_or_delete(d, key, value):
if value is None:
if key in d:
return True
return False
+
def set_external_id(row, key, value):
external_ids = row.external_ids
if set_or_delete(external_ids, key, value):
row.external_ids = external_ids
+
# XenServer does not call interface-reconfigure on internal networks,
# which is where the fail-mode would normally be set.
def update_fail_mode(row):
pools = session.xenapi.pool.get_all()
if len(pools) == 1:
prec = session.xenapi.pool.get_record(pools[0])
- fail_mode = prec['other_config'].get('vswitch-controller-fail-mode')
+ fail_mode = prec['other_config'].get(
+ 'vswitch-controller-fail-mode')
if fail_mode not in ['standalone', 'secure']:
fail_mode = 'standalone'
if row.fail_mode != fail_mode:
row.fail_mode = fail_mode
+
def update_in_band_mgmt(row):
rec = get_network_by_bridge(row.name)
if not rec:
elif set_or_delete(other_config, 'disable-in-band', dib):
row.other_config = other_config
+
def update_bridge_id(row):
id_ = get_bridge_id(row.name, row.external_ids.get("xs-network-uuids"))
if not id_:
set_external_id(row, "bridge-id", id_.split(";")[0])
+
def keep_table_columns(schema, table_name, columns):
table = schema.tables.get(table_name)
if not table:
table.columns = new_columns
return table
+
def prune_schema(schema):
new_tables = {}
new_tables["Bridge"] = keep_table_columns(
schema, "Interface", ("name", "external_ids"))
schema.tables = new_tables
+
def usage():
print "usage: %s [OPTIONS] DATABASE" % sys.argv[0]
print "where DATABASE is a socket on which ovsdb-server is listening."
print " -h, --help display this help message"
sys.exit(0)
+
def handler(signum, _):
global force_run
if (signum == signal.SIGHUP):
force_run = True
+
def main(argv):
global force_run
signal.signal(signal.SIGHUP, handler)
bridges = {} # Map from bridge name to xs_network_uuids
- interfaces = {} # Map from interface name to
+ interfaces = {} # Map from interface name to xs-vif-uuid
while True:
if not force_run and not idl.run():
poller = ovs.poller.Poller()
if force_run:
s_log.info("Forced to re-run as the result of a SIGHUP")
- bridges = {}
+ bridges = {}
interfaces = {}
- force_run = False
+ force_run = False
txn = ovs.db.idl.Transaction(idl)
txn.commit_block()
+
if __name__ == '__main__':
try:
main(sys.argv)