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7e42505083
These new scripts are streamlined such that, for example, "contrib/mkimage/debootstrap" is _only_ responsible for filling a directory with the results of running debootstrap, and it can accept any arbitrary arguments. Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
125 lines
3.5 KiB
Bash
Executable file
125 lines
3.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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rootfsDir="$1"
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shift
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# we have to do a little fancy footwork to make sure "rootfsDir" becomes the second non-option argument to debootstrap
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before=()
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while [ $# -gt 0 ] && [[ "$1" == -* ]]; do
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before+=( "$1" )
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shift
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done
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suite="$1"
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shift
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(
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set -x
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debootstrap "${before[@]}" "$suite" "$rootfsDir" "$@"
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)
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# now for some Docker-specific tweaks
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# prevent init scripts from running during install/update
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echo >&2 "+ cat > '$rootfsDir/usr/sbin/policy-rc.d'"
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cat > "$rootfsDir/usr/sbin/policy-rc.d" <<'EOF'
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#!/bin/sh
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exit 101
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EOF
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chmod +x "$rootfsDir/usr/sbin/policy-rc.d"
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# prevent upstart scripts from running during install/update
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(
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set -x
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chroot "$rootfsDir" dpkg-divert --local --rename --add /sbin/initctl
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ln -sf /bin/true "$rootfsDir/sbin/initctl"
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)
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# shrink the image, since apt makes us fat (wheezy: ~157.5MB vs ~120MB)
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( set -x; chroot "$rootfsDir" apt-get clean )
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# Ubuntu 10.04 sucks... :)
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if strings "$rootfsDir/usr/bin/dpkg" | grep -q unsafe-io; then
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# force dpkg not to call sync() after package extraction (speeding up installs)
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echo >&2 "+ echo force-unsafe-io > '$rootfsDir/etc/dpkg/dpkg.cfg.d/docker-apt-speedup'"
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echo 'force-unsafe-io' > "$rootfsDir/etc/dpkg/dpkg.cfg.d/docker-apt-speedup"
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fi
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if [ -d /etc/apt/apt.conf.d ]; then
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# _keep_ us lean by effectively running "apt-get clean" after every install
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aptGetClean='"rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true";'
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echo >&2 "+ cat > '$rootfsDir/etc/apt/apt.conf.d/docker-clean'"
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cat > "$rootfsDir/etc/apt/apt.conf.d/docker-clean" <<-EOF
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DPkg::Post-Invoke { ${aptGetClean} };
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APT::Update::Post-Invoke { ${aptGetClean} };
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Dir::Cache::pkgcache "";
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Dir::Cache::srcpkgcache "";
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EOF
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# remove apt-cache translations for fast "apt-get update"
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echo >&2 "+ cat > '$rootfsDir/etc/apt/apt.conf.d/docker-no-languages'"
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echo 'Acquire::Languages "none";' > "$rootfsDir/etc/apt/apt.conf.d/docker-no-languages"
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fi
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if [ -z "$DONT_TOUCH_SOURCES_LIST" ]; then
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# tweak sources.list, where appropriate
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lsbDist=
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if [ -z "$lsbDist" -a -r "$rootfsDir/etc/os-release" ]; then
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lsbDist="$(. "$rootfsDir/etc/os-release" && echo "$ID")"
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fi
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if [ -z "$lsbDist" -a -r "$rootfsDir/etc/lsb-release" ]; then
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lsbDist="$(. "$rootfsDir/etc/lsb-release" && echo "$DISTRIB_ID")"
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fi
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if [ -z "$lsbDist" -a -r "$rootfsDir/etc/debian_version" ]; then
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lsbDist='Debian'
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fi
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case "$lsbDist" in
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debian|Debian)
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# updates and security!
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if [ "$suite" != 'sid' -a "$suite" != 'unstable' ]; then
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(
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set -x
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sed -i "p; s/ $suite main$/ ${suite}-updates main/" "$rootfsDir/etc/apt/sources.list"
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echo "deb http://security.debian.org $suite/updates main" >> "$rootfsDir/etc/apt/sources.list"
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)
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fi
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;;
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ubuntu|Ubuntu)
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# add the universe, updates, and security repositories
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(
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set -x
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sed -i "
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s/ $suite main$/ $suite main universe/; p;
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s/ $suite main/ ${suite}-updates main/; p;
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s/ $suite-updates main/ ${suite}-security main/
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" "$rootfsDir/etc/apt/sources.list"
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)
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;;
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tanglu|Tanglu)
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# add the updates repository
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if [ "$suite" != 'devel' ]; then
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(
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set -x
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sed -i "p; s/ $suite main$/ ${suite}-updates main/" "$rootfsDir/etc/apt/sources.list"
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)
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fi
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;;
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steamos|SteamOS)
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# add contrib and non-free
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(
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set -x
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sed -i "s/ $suite main$/ $suite main contrib non-free/" "$rootfsDir/etc/apt/sources.list"
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)
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;;
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esac
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fi
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# make sure we're fully up-to-date, too
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(
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set -x
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chroot "$rootfsDir" apt-get update
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chroot "$rootfsDir" apt-get dist-upgrade -y
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)
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