xenserver: Rename ovs-external-ids to ovs-xapi-sync.

With commit 5692e3 (xenserver: Set fail_mode on internal bridges.), the
responsibilities of ovs-external-ids got expanded beyond just monitoring
external-ids.  This commit renames the script to more accurately
describe its job.

Signed-off-by: Justin Pettit <jpettit@nicira.com>

xenserver/README

@@ -46,10 +46,11 @@ files are:
 
         Open vSwitch-aware replacement for Citrix script of the same name.
 
-    usr_share_openvswitch_scripts_ovs-external-ids
+    usr_share_openvswitch_scripts_ovs-xapi-sync
 
         Daemon to monitor the external_ids columns of the Bridge and
-        Interface OVSDB tables.
+        Interface OVSDB tables for changes that require interrogating
+        XAPI.
 
     usr_share_openvswitch_scripts_sysconfig.template
 

xenserver/automake.mk

@@ -23,6 +23,6 @@ EXTRA_DIST += \
 	xenserver/opt_xensource_libexec_interface-reconfigure \
 	xenserver/usr_lib_xsconsole_plugins-base_XSFeatureVSwitch.py \
 	xenserver/usr_sbin_xen-bugtool \
-	xenserver/usr_share_openvswitch_scripts_ovs-external-ids \
+	xenserver/usr_share_openvswitch_scripts_ovs-xapi-sync \
 	xenserver/usr_share_openvswitch_scripts_sysconfig.template \
 	xenserver/uuid.py

xenserver/etc_init.d_openvswitch

@@ -125,8 +125,8 @@ else
 fi
 
 function hup_monitor_external_ids {
-    if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
-        action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-external-ids.pid`
+    if [ -e /var/run/openvswitch/ovs-xapi-sync.pid ]; then
+        action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-xapi-sync.pid`
     fi
 }
 
@@ -364,7 +364,7 @@ function start {
     if [ -f /etc/xensource-inventory ]; then
         # Start daemon to monitor external ids
         PYTHONPATH=/usr/share/openvswitch/python \
-                   /usr/share/openvswitch/scripts/ovs-external-ids \
+                   /usr/share/openvswitch/scripts/ovs-xapi-sync \
                    --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
     fi
 
@@ -374,8 +374,8 @@ function start {
 function stop {
     stop_daemon VSWITCHD "$vswitchd"
     stop_daemon OVSDB_SERVER "$ovsdb_server"
-    if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
-        kill `cat /var/run/openvswitch/ovs-external-ids.pid`
+    if [ -e /var/run/openvswitch/ovs-xapi-sync.pid ]; then
+        kill `cat /var/run/openvswitch/ovs-xapi-sync.pid`
     fi
     rm -f /var/lock/subsys/openvswitch
 }
@@ -444,7 +444,7 @@ case "$1" in
         ;;
     reload|force-reload)
         # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
-        # configuration up-to-date all the time.  HUP ovs-external-ids so it
+        # configuration up-to-date all the time.  HUP ovs-xapi-sync so it
         # re-runs.
         hup_monitor_external_ids
         ;;

xenserver/openvswitch-xen.spec

@@ -73,8 +73,8 @@ install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigureVswitch.py \
              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigureVswitch.py
 install -m 755 xenserver/etc_xensource_scripts_vif \
              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/vif
-install -m 755 xenserver/usr_share_openvswitch_scripts_ovs-external-ids \
-               $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/ovs-external-ids
+install -m 755 xenserver/usr_share_openvswitch_scripts_ovs-xapi-sync \
+               $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/ovs-xapi-sync
 install -m 755 xenserver/usr_sbin_xen-bugtool \
              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/xen-bugtool
 install -m 755 xenserver/usr_share_openvswitch_scripts_sysconfig.template \
@@ -305,7 +305,7 @@ fi
 /usr/share/openvswitch/python/ovs/timeval.py
 /usr/share/openvswitch/python/ovs/util.py
 /usr/share/openvswitch/python/uuid.py
-/usr/share/openvswitch/scripts/ovs-external-ids
+/usr/share/openvswitch/scripts/ovs-xapi-sync
 /usr/share/openvswitch/scripts/interface-reconfigure
 /usr/share/openvswitch/scripts/InterfaceReconfigure.py
 /usr/share/openvswitch/scripts/InterfaceReconfigureBridge.py

xenserver/usr_share_openvswitch_scripts_ovs-xapi-sync

@@ -15,9 +15,12 @@
 
 
 # A daemon to monitor the external_ids columns of the Bridge and
-# Interface OVSDB tables.  Its primary responsibility is to set the
-# "bridge-id" and "iface-id" keys in the Bridge and Interface tables,
-# respectively.
+# Interface OVSDB tables for changes that require interrogating XAPI.
+# Its responsibilities include:
+#
+#   - Set the "bridge-id" key in the Bridge table.
+#   - Set the "iface-id" key in the Interface table.
+#   - Set the fail-mode on internal bridges.
 
 import getopt
 import logging, logging.handlers
@@ -35,9 +38,9 @@ import ovs.util
 import ovs.daemon
 import ovs.db.idl
 
-s_log     = logging.getLogger("ovs-external-ids")
+s_log     = logging.getLogger("ovs-xapi-sync")
 l_handler = logging.handlers.RotatingFileHandler(
-        "/var/log/openvswitch/ovs-external-ids.log")
+        "/var/log/openvswitch/ovs-xapi-sync.log")
 l_formatter = logging.Formatter('%(filename)s: %(levelname)s: %(message)s')
 l_handler.setFormatter(l_formatter)
 s_log.addHandler(l_handler)
@@ -124,6 +127,8 @@ def set_external_id(table, record, key, value):
     col = 'external-ids:"' + key + '"="' + value + '"'
     call_vsctl(["set", table, record, col])
 
+# XenServer does not call interface-reconfigure on internal networks,
+# which is where the fail-mode would normally be set.
 def update_fail_mode(name):
     rec = get_network_by_bridge(name)