addhost

#!/bin/bash

cmd_hostname=""
cmd_do_bootstrap="no"
cmd_fqdn=""

function usage() {
	echo "Usage: $0 [-h] [-b] [-n fqdn] [--] [<host>]"
	echo "  -h  show help"
	echo "  -b  bootstrap <host> (using ssh)"
	echo "  -n  specify FQDN (if not the same as <host>)"
	echo ""
	echo "  <host> can be an IP number, or something that resolves to one"
}

while getopts "bhn:p:" this; do
	case "${this}" in
	h)
		usage
		exit 0
		;;
	b) cmd_do_bootstrap="yes" ;;
	n) cmd_fqdn="${OPTARG}" ;;
	p) cmd_proxy="${OPTARG}" ;;
	*)
		echo "Unknown option ${this}"
		echo ""
		usage
		exit 1
		;;
	esac
done
shift $((OPTIND - 1))

if [[ ! $cmd_hostname ]]; then
	cmd_hostname="$1"
fi

if [[ ! $cmd_fqdn ]]; then
	cmd_fqdn="$cmd_hostname"
fi

if test -z "$cmd_hostname"; then
	usage
	exit 1
fi

proxyjump=()
if [[ -n $cmd_proxy ]]; then
	proxyjump+=("-o")
	proxyjump+=("ProxyJump=${cmd_proxy}i")
fi

# shellcheck source=/dev/null
test -f cosmos.conf && . ./cosmos.conf

_remote=${remote:='ro'}
defrepo=$(git remote get-url "${_remote}" 2>/dev/null)
rrepo=${repo:="$defrepo"}
rtag=${tag:="changeme"}

if [[ ! $rrepo ]]; then
	echo "$0: repo not set in cosmos.conf and no git remote named '${_remote}' found"
	exit 1
fi

if [ ! -d "$cmd_fqdn" ]; then
	cp -pr default "$cmd_fqdn"
	git add "$cmd_fqdn"
	git commit -m "$cmd_fqdn added" "$cmd_fqdn"
	./bump-tag
fi

if [ "$cmd_do_bootstrap" = "yes" ]; then
	cosmos_deb=$(find apt/ -maxdepth 1 -name 'cosmos_*.deb' | sort -V | tail -1)
	scp "${proxyjump[@]}" "$cosmos_deb" apt/bootstrap-cosmos.sh root@"$cmd_hostname":
	# We want to expand the variables on clientside - shellcheck ignore
	# shellcheck disable=SC2029
	ssh root@"$cmd_hostname" "${proxyjump[@]}" ./bootstrap-cosmos.sh "$cmd_fqdn" "$rrepo" "$rtag"
	ssh root@"$cmd_hostname" "${proxyjump[@]}" cosmos update
	ssh root@"$cmd_hostname" "${proxyjump[@]}" cosmos apply
fi