diff options
| -rwxr-xr-x | ctdb/config/events.d/13.per_ip_routing | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ctdb/config/events.d/13.per_ip_routing b/ctdb/config/events.d/13.per_ip_routing index ea3cffea80..9f71669e51 100755 --- a/ctdb/config/events.d/13.per_ip_routing +++ b/ctdb/config/events.d/13.per_ip_routing @@ -293,6 +293,31 @@ add_missing_routes () } || exit $? } +# Remove rules/routes for addresses that we're not hosting. If a +# releaseip event failed in an earlier script then we might not have +# had a chance to remove the corresponding rules/routes. +remove_bogus_routes () +{ + # Get a IPs current hosted by this node, each anchored with '@'. + _ips=$(ctdb ip -v -Y | awk -F: 'NR > 1 && $4 != "" {printf "@%s@\n", $2}') + + ip rule show | + while read _p _x _i _x _t ; do + # Remove trailing colon after priority/preference. + _p="${_p%:}" + # Only remove rules that match our priority/preference. + [ "$CTDB_PER_IP_ROUTING_RULE_PREF" = "$_p" ] || continue + # Only remove rules for which we don't have an IP. This could + # be done with grep, but let's do it with shell prefix removal + # to avoid unnecessary processes. This falls through if + # "@${_i}@" isn't present in $_ips. + [ "$_ips" = "${_ips#*@${_i}@}" ] || continue + + echo "Removing ip rule/routes for unhosted public address $_i" + del_routing_for_ip "$_i" + done +} + ###################################################################### ctdb_check_args "$@" @@ -354,6 +379,7 @@ case "$1" in ipreallocated) add_missing_routes + remove_bogus_routes ;; *) |