Inital commit.

images/linux/scripts/helpers/containercache.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+source $HELPER_SCRIPTS/apt.sh
+source $HELPER_SCRIPTS/document.sh
+
+# Check prereqs
+echo "Checking prereqs for image pulls"
+if ! command -v docker; then
+    echo "Docker is not installed, cant pull images"
+    exit 1
+fi
+
+# Information output
+systemctl status docker --no-pager
+
+# Pull images
+images=(
+    docker.io/jekyll/builder
+    mcr.microsoft.com/azure-pipelines/node8-typescript
+)
+
+for image in "${images[@]}"; do
+    docker pull "$image"
+done
+
+## Add container information to the metadata file
+ DocumentInstalledItem "Cached container images"
+
+while read -r line; do
+    DocumentInstalledItemIndent "$line"
+done <<< "$(docker images --digests --format '{{.Repository}}:{{.Tag}} (Digest: {{.Digest}})')"