initial commit

machinectl-oci-import.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+mkdir -p /run/nspawn-oci
+
+skopeo_output=$(echo /run/nspawn-oci/$1 | sed s.://./.g)
+mkdir -p $skopeo_output
+skopeo copy $1 oci:$skopeo_output:latest
+
+umoci_output=/run/nspawn-oci/$2
+rm -rf $umoci_output
+umoci --verbose unpack --image $skopeo_output $umoci_output
+
+mkdir -p /etc/systemd/nspawn
+oci_config=$umoci_output/config.json
+nspawn_config=/etc/systemd/nspawn/$2.nspawn
+
+cat << end > $nspawn_config
+[Exec]
+ProcessTwo=true
+end
+
+for environment in $(jq --compact-output '.process.env' $oci_config | sed "s/[][]//g;s/\"//g;s/,/ /g")
+do
+echo $environment
+cat << end >> $nspawn_config
+Environment=$environment
+end
+done
+
+cat << end >> $nspawn_config
+WorkingDirectory=$(jq --compact-output '.process.cwd' $oci_config | sed "s/[][]//g;s/\"//g;s/,/ /g")
+Parameters=$(jq --compact-output '.process.args' $oci_config | sed "s/[][]//g;s/,/ /g")
+end
+
+machinectl import-fs $umoci_output/rootfs $2
+echo "$2 created from $1. start/enable via systemd-nspawn@$2.service"