#!/bin/bash set -eu die() { echo $1 1>&2; exit 1; } usage() { echo "USAGE: $SCRIPT NAME SERVICE [JOURNALCTL_OPTIONS...]"; exit 0; } SCRIPT=${0##*/} [ $# -lt 2 ] && usage case "$1" in --help|-h) usage ;; *) CONTAINER=$1; shift SERVICE=$1; shift ;; esac CONTAINER_PATH="/data/containers/$CONTAINER" [ $EUID -eq 0 ] || die "Needs root permission" [ -d "$CONTAINER_PATH" ] || die "No such container found: $CONTAINER" SYSTEMD_CGROUP="/system.slice/system-lxc.slice/lxc@${CONTAINER}.service/system.slice/${SERVICE}.service" journalctl _SYSTEMD_CGROUP=${SYSTEMD_CGROUP} "$@"