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- #!/bin/bash
- # Copyright 2017 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.
- # A script encapsulating a common Dockerimage pattern for installing packages
- # and then cleaning up the unnecessary install artifacts.
- # e.g. clean-install iptables ebtables conntrack
- set -o errexit
- # 1. Install & configure dependencies.
- # 2. Install fluentd via ruby.
- # 3. Remove build dependencies.
- # 4. Cleanup leftover caches & files.
- BUILD_DEPS="make gcc g++ libc6-dev ruby-dev libffi-dev"
- # apt install
- apt-get update
- echo "${BUILD_DEPS} ca-certificates libjemalloc2 ruby" | xargs apt-get install -y --no-install-recommends
- # ruby install
- echo 'gem: --no-document' >> /etc/gemrc
- gem install --file Gemfile
- # cleanup
- echo "${BUILD_DEPS}" | xargs apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
- apt-get clean -y
- rm -rf \
- /var/cache/debconf/* \
- /var/lib/apt/lists/* \
- /var/log/* \
- /var/tmp/*
- # Ensure fluent has enough file descriptors
- ulimit -n 65536
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