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Remove legacy iptables configuration from init scripts (#2834) 

With newer version of k8s, anything using iptables could use iptables-wrappers
to figure out the backend is legacy or nft. Force the iptable to use legacy is not necessary anymore.

Signed-off-by: liyi huang <pdshly@gmail.com>
This commit is contained in:
Liyi Huang 2025-11-02 22:30:16 -05:00 committed by GitHub
parent 4c71311fe2
commit 1843ff66b2
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2 changed files with 0 additions and 20 deletions
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10
builtin/capkk/roles/init/init-os/templates/init-os.sh
View File

@ -256,13 +256,3 @@ EOF
sync
# echo 3 > /proc/sys/vm/drop_caches
# Make sure the iptables utility doesn't use the nftables backend.
{{- if .internal_ipv4 | empty | not }}
update-alternatives --set iptables /usr/sbin/iptables-legacy >/dev/null 2>&1 || true
{{- end }}
{{- if .internal_ipv6 | empty | not }}
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy >/dev/null 2>&1 || true
{{- end }}
update-alternatives --set arptables /usr/sbin/arptables-legacy >/dev/null 2>&1 || true
update-alternatives --set ebtables /usr/sbin/ebtables-legacy >/dev/null 2>&1 || true

10
builtin/core/roles/native/init/templates/init-os.sh
View File

@ -203,13 +203,3 @@ sysctl -p
sync
echo 3 > /proc/sys/vm/drop_caches
# Make sure the iptables utility doesn't use the nftables backend.
{{- if .internal_ipv4 | empty | not }}
update-alternatives --set iptables /usr/sbin/iptables-legacy >/dev/null 2>&1 || true
{{- end }}
{{- if .internal_ipv6 | empty | not }}
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy >/dev/null 2>&1 || true
{{- end }}
update-alternatives --set arptables /usr/sbin/arptables-legacy >/dev/null 2>&1 || true
update-alternatives --set ebtables /usr/sbin/ebtables-legacy >/dev/null 2>&1 || true