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