init

download-images.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+list="vcluster-images.txt"
+images="vcluster-images.tar.gz"
+
+usage () {
+    echo "USAGE: $0 [--image-list vcluster-images.txt] [--images vcluster-images.tar.gz]"
+    echo "  [-l|--image-list path] text file with list of images; one image per line."
+    echo "  [-i|--images path] tar.gz generated by docker save."
+    echo "  [-h|--help] Usage message"
+}
+
+POSITIONAL=()
+while [[ $# -gt 0 ]]; do
+    key="$1"
+    case $key in
+        -i|--images)
+        images="$2"
+        shift # past argument
+        shift # past value
+        ;;
+        -l|--image-list)
+        list="$2"
+        shift # past argument
+        shift # past value
+        ;;
+        -h|--help)
+        help="true"
+        shift
+        ;;
+        *)
+        usage
+        exit 1
+        ;;
+    esac
+done
+
+if [[ $help ]]; then
+    usage
+    exit 0
+fi
+
+pulled=""
+while IFS= read -r i; do
+    [ -z "${i}" ] && continue
+    if docker pull "${i}" > /dev/null 2>&1; then
+        echo "Image pull success: ${i}"
+        pulled="${pulled} ${i}"
+    else
+        if docker inspect "${i}" > /dev/null 2>&1; then
+            pulled="${pulled} ${i}"
+        else
+            echo "Image pull failed: ${i}"
+        fi
+    fi
+done < "${list}"
+
+echo "Creating ${images} with $(echo ${pulled} | wc -w | tr -d '[:space:]') images"
+docker save $(echo ${pulled}) | gzip --stdout > ${images}