preload.sh

scripts/dockerimages/scripts/preload.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+set -e
+
+BASE=${1:-${PRELOAD_DIR}}
+BASE=${BASE:-/mnt/preload}
+
+if [ -d ${BASE} ]; then
+    echo Preloading docker images from ${BASE}...
+
+    for file in $(ls ${BASE}); do
+        if [ -f ${BASE}/${file} ]; then
+            CAT="cat ${BASE}/${file}"
+            if [[ ${file} =~ \.t?gz$ ]]; then CAT="${CAT} | gunzip"; fi
+            if [[ ${file} =~ \.t?xz$ ]]; then CAT="${CAT} | unxz"; fi
+            CAT="${CAT} | docker load"
+            echo loading from ${BASE}/${file}
+            eval ${CAT} || :
+        fi
+    done
+
+    echo Done.
+else
+    echo Can not preload images from ${BASE}: not a dir or does not exist.
+fi
+