xenserver: Synchronize scripts with XenServer 6.0.0.

This commit updates the "vif" and "interface-reconfigure" scripts installed
by Open vSwitch on Citrix XenServer with those in XenServer 6.0.0.

Signed-off-by: Ben Pfaff <blp@nicira.com>

3 files changed, 57 insertions, 9 deletions

diff --git a/xenserver/etc_xensource_scripts_vif b/xenserver/etc_xensource_scripts_vif
index 06254986..78434fb6 100755
--- a/xenserver/etc_xensource_scripts_vif
+++ b/xenserver/etc_xensource_scripts_vif
@@ -150,6 +150,30 @@ remove_from_bridge()
     esac
 }
 
+call_hook_script() {
+    local domid=$1
+    local action=$2
+    # Call the VIF hotplug hook if present
+    if [ -x /etc/xapi.d/vif-hotplug ]; then
+        local vm=$(xenstore-read "/local/domain/$domid/vm" 2>/dev/null)
+        if [ $? -eq 0 -a -n "${vm}" ] ; then
+            local vm_uuid=$(xenstore-read "$vm/uuid" 2>/dev/null)
+        fi
+        if [ -n "${vm_uuid}" ] ; then
+            logger -t scripts-vif "VM UUID ${vm_uuid}"
+        fi
+
+        local vif_uuid=$(xenstore-read "${PRIVATE}/vif-uuid" 2>/dev/null)
+        if [ -n "${vif_uuid}" ] ; then
+            logger -t scripts-vif "VIF UUID ${vif_uuid}"
+        fi
+        if [ -n "${vif_uuid}" -a -n "${vm_uuid}" ] ; then
+            logger -t scripts-vif "Calling VIF hotplug hook for VM ${vm_uuid}, VIF ${vif_uuid}"
+            /etc/xapi.d/vif-hotplug -action "${action}" -vifuuid "${vif_uuid}" -vmuuid "${vm_uuid}"
+        fi
+    fi
+}
+
 NETWORK_MODE=$(cat /etc/xensource/network.conf)
 ACTION=$1
 
@@ -171,8 +195,13 @@ esac
 
 case ${TYPE} in
     vif)
-        DOMID=`echo ${XENBUS_PATH} | cut -f 3 -d '/'`
-        DEVID=`echo ${XENBUS_PATH} | cut -f 4 -d '/'`
+        if [ -z ${XENBUS_PATH} ]; then
+            DOMID=$3
+            DEVID=$4
+        else
+            DOMID=`echo ${XENBUS_PATH} | cut -f 3 -d '/'`
+            DEVID=`echo ${XENBUS_PATH} | cut -f 4 -d '/'`
+        fi
         dev=vif${DOMID}.${DEVID}
         ;;
     tap)
@@ -210,6 +239,7 @@ online)
 
         # xs-xen.pq.hq:91e986b8e49f netback-wait-for-hotplug
         xenstore-write "/local/domain/0/backend/vif/${DOMID}/${DEVID}/hotplug-status" "connected"
+        call_hook_script $DOMID "${ACTION}"
     fi
     ;;
 
@@ -222,8 +252,14 @@ add)
 remove)
     if [ "${TYPE}" = "vif" ] ;then
         xenstore-rm "${HOTPLUG}/hotplug"
+        call_hook_script $DOMID "${ACTION}"
     fi
     logger -t scripts-vif "${dev} has been removed"
     remove_from_bridge
     ;;
+
+move)
+    if [ "${TYPE}" = "vif" ] ;then
+        add_to_bridge
+    fi
 esac
diff --git a/xenserver/opt_xensource_libexec_InterfaceReconfigure.py b/xenserver/opt_xensource_libexec_InterfaceReconfigure.py
index 7a2fe4cb..22af3c22 100644
--- a/xenserver/opt_xensource_libexec_InterfaceReconfigure.py
+++ b/xenserver/opt_xensource_libexec_InterfaceReconfigure.py
@@ -508,9 +508,8 @@ class DatabaseCache(object):
                 host = session.xenapi.host.get_by_uuid(inventory['INSTALLATION_UUID'])
 
                 self.__get_pif_records_from_xapi(session, host)
-
-                self.__get_tunnel_records_from_xapi(session)
                 self.__get_pool_records_from_xapi(session)
+                self.__get_tunnel_records_from_xapi(session)
                 self.__get_vlan_records_from_xapi(session)
                 self.__get_bond_records_from_xapi(session)
                 self.__get_network_records_from_xapi(session)
@@ -576,9 +575,11 @@ class DatabaseCache(object):
         for (ref,rec) in self.__pools.items():
             self.__to_xml(xml, xml.documentElement, _POOL_XML_TAG, ref, rec, _POOL_ATTRS)
 
-        f = open(cache_file, 'w')
+        temp_file = cache_file + ".%d" % os.getpid()
+        f = open(temp_file, 'w')
         f.write(xml.toprettyxml())
         f.close()
+        os.rename(temp_file, cache_file)
 
     def get_pif_by_uuid(self, uuid):
         pifs = map(lambda (ref,rec): ref,
diff --git a/xenserver/opt_xensource_libexec_interface-reconfigure b/xenserver/opt_xensource_libexec_interface-reconfigure
index ff4b9766..6c6de9f3 100755
--- a/xenserver/opt_xensource_libexec_interface-reconfigure
+++ b/xenserver/opt_xensource_libexec_interface-reconfigure
@@ -50,6 +50,7 @@ import syslog
 import traceback
 import re
 import random
+import syslog
 
 management_pif = None
 
@@ -144,10 +145,11 @@ def netdev_remap_name(pif, already_renamed=[]):
         return None
 
     def rename_netdev(old_name, new_name):
-        log("Changing the name of %s to %s" % (old_name, new_name))
-        run_command(['/sbin/ifconfig', old_name, 'down'])
-        if not run_command(['/sbin/ip', 'link', 'set', old_name, 'name', new_name]):
-            raise Error("Could not rename %s to %s" % (old_name, new_name))
+        raise Error("Trying to rename %s to %s - This functionality has been removed" % (old_name, new_name))
+        # log("Changing the name of %s to %s" % (old_name, new_name))
+        # run_command(['/sbin/ifconfig', old_name, 'down'])
+        # if not run_command(['/sbin/ip', 'link', 'set', old_name, 'name', new_name]):
+        #     raise Error("Could not rename %s to %s" % (old_name, new_name))
 
     pifrec = db().get_pif_record(pif)
     device = pifrec['device']
@@ -197,7 +199,11 @@ def ifup(netdev):
     """Bring up a network interface"""
     if not os.path.exists(root_prefix() + "/etc/sysconfig/network-scripts/ifcfg-%s" % netdev):
         raise Error("ifup: device %s exists but ifcfg-%s does not" % (netdev,netdev))
+    d = os.getenv("DHCLIENTARGS","")
+    if os.path.exists("/etc/firstboot.d/data/firstboot_in_progress"):
+        os.putenv("DHCLIENTARGS", d + " -T 240 " )
     run_command(["/sbin/ifup", netdev])
+    os.putenv("DHCLIENTARGS", d )
 
 #
 #
@@ -269,6 +275,7 @@ def ipdev_open_ifcfg(pif):
     f.write("XEMANAGED=yes\n")
     f.write("DEVICE=%s\n" % ipdev)
     f.write("ONBOOT=no\n")
+    f.write("NOZEROCONF=yes\n")
 
     return f
 
@@ -356,6 +363,10 @@ def ipdev_configure_network(pif, dp):
 
     pifs_on_host = [p for p in db().get_all_pifs() if not p in pif_get_bond_masters(pif)]
 
+    # now prune out bond slaves as they are not connected to the IP 
+    # stack and so cannot be used as gateway or DNS devices.
+    pifs_on_host = [ p for p in pifs_on_host if len(pif_get_bond_masters(p)) == 0]
+
     # loop through all the pifs on this host looking for one with
     #   other-config:peerdns = true, and one with
     #   other-config:default-route=true