cfg/config.sh

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#!/bin/sh
: "${HOSTNAME:=$(hostname -f || uname -n)}"
: "${DESTDIR=/host}"
: "${KEYSERV_URL:=https://keyserv.pyrocufflink.blue}"
: "${SSH_CERT:=${DESTDIR}/etc/ssh/ssh_host_ed25519_key-cert.pub}"
: "${SSH_KEY:=${SSH_CERT%-cert.pub}}"
: "${GIT_URL:=https://git.pyrocufflink.net/infra/cfg.git}"
: "${GIT_BRANCH:=master}"
printf 'Applying configuration policy for %s ...\n' "${HOSTNAME}"
cd "$(mktemp -d)" || exit
git clone --depth 1 "${GIT_URL}" -b "${GIT_BRANCH}" . || exit
if [ -f host/"${HOSTNAME}".pre.sh ]; then
. host/"${HOSTNAME}".pre.sh
fi
curl -fsSL \
"${KEYSERV_URL}"/keys \
-H "Authorization: $(cat "${SSH_CERT}")" \
-o keys.age
age -d -i "${SSH_KEY}" -o keys.txt keys.age
if [ -f host/"${HOSTNAME}".k ] && [ -f host/"${HOSTNAME}".yaml ]; then
kcl run host/"${HOSTNAME}".k -o instructions.yaml || exit
kcl run -Y host/"${HOSTNAME}".yaml -o values.yaml || exit
tmpl instructions.yaml values.yaml -d "${DESTDIR}" || exit
fi
if [ -f host/"${HOSTNAME}".post.sh ]; then
. host/"${HOSTNAME}".post.sh
fi