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Only modprobe ip6_tables if it's necessary

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If the kernel was built with support for ip6tables, there's no need to load the module. This is the case when running
balenaOS in a container in Mac OS, which also can't do modprobes easily.

Change-type: patch
Signed-off-by: Pablo Carranza Velez <pablo@balena.io>
This commit is contained in:
Pablo Carranza Velez 2019-03-07 17:19:02 -08:00
parent efdd3e817b
commit de05165316
1 changed files with 3 additions and 1 deletions
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4
entry.sh
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@ -52,6 +52,8 @@ if [ ! -d /lib/modules ]; then
ln -s /mnt/root/lib/modules /lib/modules
fi
# Now load the ip6_tables kernel module, so we can do filtering on ipv6 addresses
modprobe ip6_tables
if [ -z "$(cat /proc/config.gz | gunzip | grep CONFIG_IP6_NF_IPTABLES=y || true)" ]; then
modprobe ip6_tables
fi
exec node /usr/src/app/dist/app.js