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- # Copyright 2016 The Kubernetes Authors.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- FROM BASEIMAGE
- # Install latest iptables package from buster-backports
- RUN echo deb http://deb.debian.org/debian buster-backports main >> /etc/apt/sources.list; \
- apt-get update; \
- apt-get -t buster-backports -y --no-install-recommends install iptables
- # Install other dependencies and then clean up apt caches
- RUN clean-install \
- conntrack \
- ebtables \
- ipset \
- kmod \
- netbase
- # Install iptables wrapper scripts to detect the correct iptables mode
- # the first time any of them is run
- COPY iptables-wrapper /usr/sbin/iptables-wrapper
- RUN update-alternatives \
- --install /usr/sbin/iptables iptables /usr/sbin/iptables-wrapper 100 \
- --slave /usr/sbin/iptables-restore iptables-restore /usr/sbin/iptables-wrapper \
- --slave /usr/sbin/iptables-save iptables-save /usr/sbin/iptables-wrapper
- RUN update-alternatives \
- --install /usr/sbin/ip6tables ip6tables /usr/sbin/iptables-wrapper 100 \
- --slave /usr/sbin/ip6tables-restore ip6tables-restore /usr/sbin/iptables-wrapper \
- --slave /usr/sbin/ip6tables-save ip6tables-save /usr/sbin/iptables-wrapper
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