Dane LeBlanc b45a406aca Fix kube-proxy to use proper iptables commands for IPv6 operation ...

For iptables save and restore operations, kube-proxy currently uses
the IPv4 versions of the iptables save and restore utilities
(iptables-save and iptables-restore, respectively). For IPv6 operation,
the IPv6 versions of these utilities needs to be used
(ip6tables-save and ip6tables-restore, respectively).

Both this change and PR #48551 are needed to get Kubernetes services
to work in an IPv6-only Kubernetes cluster (along with setting
'--bind-address ::0' on the kube-proxy command line. This change
was alluded to in a discussion on services for issue #1443.

fixes #50474

2017-08-10 19:24:44 -04:00

21 KiB

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