From 8ecfa95fff384ed047fd804016abdbbdcdd96d27 Mon Sep 17 00:00:00 2001 From: Keisuke MORI Date: Wed, 11 Sep 2019 15:33:37 +0900 Subject: [PATCH] Low: IPaddr2: fix to work properly with unsanitized IPv6 addresses `ip route get` shows the sanitized address at $1 or $2 depending on the address is already assigned to the node or not. ``` [root@centos73-1 ~]# /sbin/ip route get 2001:db8:101::0001 2001:db8:101::1 dev eth1 proto ra src 2001:db8:101:0:XXXX:XXXX:XXXX:XXXX metric 100 [root@centos73-1 ~]# /sbin/ip addr add 2001:db8:101::0001/64 dev eth1 [root@centos73-1 ~]# /sbin/ip route get 2001:db8:101::0001 local 2001:db8:101::1 dev lo table local proto none src 2001:db8:101::1 metric 0 ``` It can not be sanitized if the address is unreachable and on the recent distributions (probably depending on the iproute package version) ``` [root@centos73-1 ~]# /sbin/ip route get 2001:db8:201::0001 unreachable 2001:db8:201::1 dev lo table unspec proto kernel src 2001:db8:101:0:XXXX:XXXX:XXXX:XXXX metric 429496 ``` ``` [root@rhel80-1 ~]# /sbin/ip route get 200:db8:201::0001 RTNETLINK answers: Network is unreachable ``` --- heartbeat/IPaddr2 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/heartbeat/IPaddr2 b/heartbeat/IPaddr2 index 041ace3a2..4f28ddab6 100755 --- a/heartbeat/IPaddr2 +++ b/heartbeat/IPaddr2 @@ -477,6 +477,12 @@ ip_init() { fi else FAMILY=inet6 + # address sanitization defined in RFC5952 + SANITIZED_IP=$($IP2UTIL route get $OCF_RESKEY_ip | awk '$1~/:/ {print $1} $2~/:/ {print $2}') + if [ -n "$SANITIZED_IP" ]; then + OCF_RESKEY_ip="$SANITIZED_IP" + fi + if ocf_is_true $OCF_RESKEY_lvs_support ;then ocf_exit_reason "The IPv6 does not support lvs_support" exit $OCF_ERR_CONFIGURED