Merge "Add init-scripts directory support"
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commit
9ac258f028
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dib-init-system
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===============
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A simple element that provides a script to tell what the init system is.
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Installs a script (dib-init-system) which outputs the type of init system in
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use on the target image. Also sets an environment variable ``DIB_INIT_SYSTEM``
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to this value.
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Any files placed in a ``init-scripts/INIT_SYSTEM`` directory inside the
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element will be copied into the appropriate directory if ``INIT_SYSTEM``
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is in use on the host.
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Environment Variables
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---------------------
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DIB_INIT_SYSTEM
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:Description: One of upstart, systemd, or sysv depending on the init system
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in use for the target image.
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26
elements/dib-init-system/install.d/20-install-init-scripts
Executable file
26
elements/dib-init-system/install.d/20-install-init-scripts
Executable file
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#!/bin/bash
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# Note that this relies on the detail that all elements share one dir inside
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# the chroot. This will copy all the files that elements have added to
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# element/static into the image. Mode, symlinks etc will be respected.
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if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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scripts_dir="$(dirname $0)../init-scripts/$DIB_INIT_SYSTEM/"
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if [ -d "$scripts_dir" ]; then
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dest=
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case $DIB_INIT_SYSTEM in
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upstart) dest=/etc/init/ ;;
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systemd) dest=/usr/lib/systemd/system/ ;;
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sysv) dest=/etc/init.d/ ;;
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esac
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if [ -z "$dest" ]; then
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echo "ERROR: DIB_INIT_SYSTEM ($DIB_INIT_SYSTEM) is not an unknown type"
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exit 1
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fi
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rsync -lCr "$scripts_dir" $dest
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fi
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