download-kernel

kernel-builder/Dockerfile

@@ -11,4 +11,6 @@ RUN apt-get update && apt-get install -y \
 
 WORKDIR /usr/src
 
-ENTRYPOINT [ "bash" ]
+COPY ./download-kernel /usr/local/bin/download-kernel
+
+CMD [ "bash" ]

kernel-builder/download-kernel

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+VERSION=$1
+
+if [[ -z $VERSION ]]; then
+	echo "Please specify a kernel version."
+	exit 1
+fi
+
+curl -sSL https://www.kernel.org/pub/linux/kernel/v3.x/linux-${VERSION}.tar.xz | tar -v -C /usr/src -xJ