configpolicy/roles/docker/files/generate-docker-key.sh

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#!/bin/sh
set -ex
: ${DOCKER_SVC:=${1:-docker}}
dropin=/etc/systemd/system/${DOCKER_SVC}.service.d/protect-system.conf
systemctl stop ${DOCKER_SVC}
if [ -f ${dropin} ]; then
mv ${dropin} ${dropin}.disabled
systemctl daemon-reload
fi
systemctl start ${DOCKER_SVC}
test -f /etc/docker/key.json
systemctl stop ${DOCKER_SVC}
if [ -f ${dropin}.disabled ]; then
mv ${dropin}.disabled ${dropin}
systemctl daemon-reload
fi