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Dockerfile: switch to iptables-legacy to match the host 

CI runs on Ubuntu 16.04 machines, which use iptables (legacy), but
Debian buster uses nftables. Because of this, DNS resolution does not
work if the daemon configures iptables.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2019-07-22 17:22:13 +02:00
parent 4e3ab9e9fb
commit bb0472bd23
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@ -284,6 +284,11 @@ RUN --mount=type=cache,sharing=locked,id=moby-dev-aptlib,target=/var/lib/apt \
zip
# Switch to use iptables instead of nftables (to match the host machine)
RUN update-alternatives --set iptables /usr/sbin/iptables-legacy || true \
&& update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy || true \
&& update-alternatives --set arptables /usr/sbin/arptables-legacy || true
RUN pip3 install yamllint==1.16.0
COPY --from=dockercli /build/ /usr/local/cli