mirror of
https://github.com/wahyd4/s6-builder.git
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Initial with a working Dockerfile and README
Signed-off-by: kfei <kfei@kfei.net>
This commit is contained in:
kfei
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FROM base/archlinux
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MAINTAINER kfei <kfei@kfei.net>
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RUN pacman -Syy && \
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pacman -S --noconfirm --quiet --needed base-devel curl libunistring && \
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pacman -S --noconfirm --quiet --needed --asdeps git jshon expac
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ADD build.sh /build.sh
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ENTRYPOINT ["/build.sh"]
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VOLUME /dist
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# s6-builder
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This repository is just for building a Docker image which builds
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[s6](http://skarnet.org/software/s6/). Also a place to store the built binaries
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so that I can easily add them to other images.
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## Build
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Build the Docker image:
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```bash
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git clone https://github.com/kfei/s6-builder
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cd s6-builder
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docker build -t s6-builder .
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```
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Use that image to build s6 and its dependencies:
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```bash
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mkdir dist
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docker run -it --rm -v $PWD/dist:/dist s6-builder
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```
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## Usage
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Once you have the s6 compiled, copy the tar ball
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`dist/s6-${s6_version}-musl-static.tar.xz` to your image's repository. Use the
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`ADD` instruction in Dockerfile to layer s6 binaries onto it, e.g.,
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```bash
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ADD s6-1.1.3.2-musl-static.tar /
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```
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Then you can set you image's entrypoint to s6:
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```bash
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ENTRYPOINT ["/usr/bin/s6-svscan","/service"]
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```
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Where the `/service` is the *service directory* for s6.
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#!/usr/bin/env bash
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#
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# This script is a fork from:
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# https://github.com/jprjr/docker-misc/blob/s6-builder/dockerfiles/arch-s6-builder/build.sh
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#
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# Official build instructions are available at:
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# http://www.skarnet.org/software/s6/install.html
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set -e
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set -x
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musl_version=1.0.4
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skalibs_version=1.6.0.0
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execline_version=1.3.1.1
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s6_version=1.1.3.2
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function build_skarnet_package {
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echo musl-gcc > conf-compile/conf-cc
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echo musl-gcc -static > conf-compile/conf-ld
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echo musl-gcc > conf-compile/conf-dynld
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echo /usr/bin > conf-compile/conf-install-command
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rm -f conf-compile/flag-slashpackage
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touch conf-compile/flag-allstatic
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package/compile
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rm -f package/library.so.exported
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}
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function install_skarnet_package {
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for i in package/*.exported
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do
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case $(basename $i) in
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library.so.exported) d=/lib ;;
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include.exported) d=/usr/include/skalibs ;;
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sysdeps.exported) d=/usr/lib/skalibs/sysdeps;;
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library.exported) d=/usr/lib/skalibs ;;
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command.exported) d=/usr/bin ;;
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esac
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f=$(basename $i|sed 's/.exported//')
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mkdir -p $1$d
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install -D `sed s,^,$f/, $i` "$1$d"
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done
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}
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mkdir /package
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mkdir -p /build && cd /build
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# install musl
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curl -R -L -O http://www.musl-libc.org/releases/musl-${musl_version}.tar.gz
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tar xf musl-${musl_version}.tar.gz
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cd musl-${musl_version}
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CFLAGS="-fno-toplevel-reorder -fno-stack-protector" ./configure --prefix=/usr/musl --exec-prefix=/usr --disable-shared
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make
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make install
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# install skalibs
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cd /build
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curl -R -L -O http://skarnet.org/software/skalibs/skalibs-${skalibs_version}.tar.gz
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tar xf skalibs-${skalibs_version}.tar.gz
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cd prog/skalibs-${skalibs_version}
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# configure skalibs-specific items
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echo /usr/lib/skalibs > conf-compile/conf-install-library
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echo /usr/include/skalibs > conf-compile/conf-install-include
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echo /usr/lib/skalibs/sysdeps > conf-compile/conf-install-sysdeps
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build_skarnet_package
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install_skarnet_package
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install -D -m644 etc/leapsecs.dat /etc/leapsecs.dat
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#install execline
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cd /build
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curl -R -L -O http://skarnet.org/software/execline/execline-${execline_version}.tar.gz
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tar xf execline-${execline_version}.tar.gz
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cd admin/execline-${execline_version}
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# configure execline-specific items
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echo /usr/lib/skalibs/sysdeps > conf-compile/import
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echo /usr/libexec/execline > conf-compile/conf-install-command
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echo /usr/lib/execline > conf-compile/conf-install-library
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echo /usr/include/execline > conf-compile/conf-install-include
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echo /usr/include/skalibs > conf-compile/path-include
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echo /usr/lib/skalibs > conf-compile/path-library
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build_skarnet_package
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install_skarnet_package
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install_skarnet_package /package
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rm -rf /package/usr/lib
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rm -rf /package/usr/include
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XZ_OPT=-9 tar -Jcf /dist/execline-${execline_version}-musl-static.tar -C /package .
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rm -rf /package/*
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# install s6
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cd /build
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curl -R -L -O http://www.skarnet.org/software/s6/s6-${s6_version}.tar.gz
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tar xf s6-${s6_version}.tar.gz
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cd admin/s6-${s6_version}
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echo /usr/lib > conf-compile/conf-install-library
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echo /usr/include > conf-compile/conf-install-include
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echo /usr/lib/skalibs/sysdeps > conf-compile/import
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echo /usr/include/skalibs > conf-compile/path-include
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echo /usr/include/execline >>conf-compile/path-include
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echo /usr/lib/skalibs > conf-compile/path-library
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echo /usr/lib/execline >>conf-compile/path-library
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build_skarnet_package
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install_skarnet_package /package
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install -D -m644 /etc/leapsecs.dat /package/etc/leapsecs.dat
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rm -rf /package/usr/lib
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rm -rf /package/usr/include
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XZ_OPT=-9 tar -Jcf /dist/s6-${s6_version}-musl-static.tar.xz -C /package .
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