move kernel under rest of build and pull through aufs tools

Signed-off-by: Justin Cormack <justin.cormack@unikernel.com>

kernel/.gitignore

@@ -1,2 +0,0 @@
-vmlinuz64
-aufs-utils.tar

kernel/Dockerfile

@@ -1,73 +0,0 @@
-FROM debian:jessie
-
-ENV KERNEL_VERSION 4.1.12
-
-RUN apt-get update && apt-get -y upgrade && apt-get -y install \
-  unzip \
-  xz-utils \
-  curl \
-  bc \
-  build-essential \
-  cpio \
-  gcc libc6 libc6-dev \
-  kmod \
-  squashfs-tools \
-  genisoimage \
-  xorriso \
-  syslinux \
-  isolinux \
-  automake \
-  pkg-config \
-  git \
-  ncurses-dev \
-  p7zip-full
-
-ADD https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz .
-
-RUN cat linux-${KERNEL_VERSION}.tar.xz | tar --absolute-names -xJ &&  mv /linux-${KERNEL_VERSION} /linux
-
-# http://aufs.sourceforge.net/
-ENV AUFS_REPO       https://github.com/sfjro/aufs4-standalone
-ENV AUFS_BRANCH     aufs4.1
-ENV AUFS_COMMIT     4912d6da07e3e24d7a8484e0e8a4c1315adbc8fd
-# we use AUFS_COMMIT to get stronger repeatability guarantees
-
-# Download AUFS and patch kernel
-RUN git clone -b "$AUFS_BRANCH" "$AUFS_REPO" /aufs && \
-    cd /aufs && \
-    git checkout -q "$AUFS_COMMIT" && \
-    cd /linux && \
-    cp -r /aufs/Documentation /linux && \
-    cp -r /aufs/fs /linux && \
-    cp -r /aufs/include/uapi/linux/aufs_type.h /linux/include/uapi/linux/ && \
-    set -e && for patch in \
-        /aufs/aufs*-kbuild.patch \
-        /aufs/aufs*-base.patch \
-        /aufs/aufs*-mmap.patch \
-        /aufs/aufs*-standalone.patch \
-        /aufs/aufs*-loopback.patch \
-    ; do \
-        patch -p1 < "$patch"; \
-    done
-
-COPY kernel_config /linux/.config
-
-RUN jobs=$(nproc); \
-    cd /linux && \
-    make -j ${jobs} oldconfig && \
-    make -j ${jobs} bzImage && \
-    make INSTALL_HDR_PATH=/tmp/kernel-headers headers_install
-
-# Build aufs tools, do this here as they need kernel headers and to match aufs
-# Fortunately they are build statically linked
-
-ENV AUFS_TOOLS_COMMIT 5e0c348bd8b1898beb1e043b026bcb0e0c7b0d54
-
-RUN git clone https://github.com/Distrotech/aufs-util.git && \
-    cd /aufs-util && \
-    git checkout "$AUFS_TOOLS_COMMIT" && \
-    CPPFLAGS="-I/tmp/kernel-headers/include" CLFAGS=$CPPFLAGS LDFLAGS=$CPPFLAGS make && \
-    DESTDIR=/tmp/aufs-utils make install && \
-    rm -rf /tmp/aufs-utils/usr/lib /tmp/aufs-utils/usr/share && \
-    cd /tmp/aufs-utils && tar cf /aufs-utils.tar .
-

kernel/Makefile

@@ -1,13 +0,0 @@
-all:	vmlinuz64 aufs-utils.tar
-
-kernel: kernel_config Dockerfile
-	docker build -t mobykernel:build .
-
-vmlinuz64: kernel
-	docker run mobykernel:build cat /linux/arch/x86_64/boot/bzImage > vmlinuz64
-
-aufs-utils.tar: kernel
-	docker run mobykernel:build cat /aufs-utils.tar > aufs-utils.tar
-
-clean:
-	rm -f vmlinuz64 aufs-utils.tar

kernel/README.md

@@ -1,3 +0,0 @@
-Temporary non modular kernel config for pinata alpha
-
-TODO: build with Alpine and/or use Alpine kernels - needs some patches.