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Docker: load kernelmodules: loop, binfmt_misc #373

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Docker: load kernelmodules: loop, binfmt_misc #373

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bf656ca
ensure binfmt-support is installed
rpier1 Jan 8, 2020
8451d87
Docker: load kernelmodules: loop, binfmt_misc
rpier1 Jan 8, 2020
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37 changes: 33 additions & 4 deletions build-docker.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,40 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

BUILD_OPTS="$*"

DOCKER="docker"

if ! ${DOCKER} ps >/dev/null 2>&1; then
DOCKER="sudo docker"
SUDO=''
if [ $EUID != 0 ]; then
SUDO='sudo'
fi

function install_binfmt_support {
local binfmtSupport="binfmt-support"
if ! dpkg -s $binfmtSupport &>/dev/null; then
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Since the docker build is especially made to be run on other distros like Fedora & CentOS this should be taken into consideration here. So please also support rpm or ignore OSes other than Ubuntu & Debian.

echo "please install $binfmtSupport with this command: $SUDO apt-get install $binfmtSupport"
exit 1
fi
}

function load_kernelmodule {
local kernelMod="$1"
if ! $SUDO modinfo $kernelMod &>/dev/null; then
echo "missing this kernel modul: $kernelMod"
exit 1
else
if $SUDO modprobe -n --first-time $kernelMod &>/dev/null; then
echo "loading kernel module $kernelMod"
$SUDO modprobe $kernelMod
fi
fi
}

install_binfmt_support

load_kernelmodule loop
load_kernelmodule binfmt_misc


DOCKER="$SUDO docker"

if ! ${DOCKER} ps >/dev/null; then
echo "error connecting to docker:"
${DOCKER} ps
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