Added make download-packages

.gitignore

@@ -1,3 +1,3 @@
-dev/
+packages/
 out/
 .swp

README.md

@@ -4,6 +4,9 @@ Kubernetes image for Mono Gateway Development Kit
 
 https://docs.mono.si/gateway-development-kit/getting-started
 
+## DISCLAIMER
+I used ChatGPT a lot for this. I also tested them thoroughly enough that until confident that's what we need.
+
 ### The device's dts files are located at here
 https://github.com/we-are-mono/OpenWRT-ASK/tree/mono-25.12.0-rc3/target/linux/layerscape/files/arch/arm64/boot/dts/freescale
 * We need both `mono-gateway-dk-sdk.dts` and `mono-gateway-dk.dts` since the sdk one includes the non-sdk one.
@@ -12,13 +15,16 @@ https://github.com/we-are-mono/OpenWRT-ASK/tree/mono-25.12.0-rc3/target/linux/la
 
 ## Build
 
-To avoid frequent downloading on rebuild. Find and download the latest packages
+To avoid frequent downloading on rebuild. Find the latest packages and update build.env
- * [kernel](https://github.com/nxp-qoriq/linux/archive/refs/tags/) - `dev/nxplinux.tar.gz`
+ * [kernel](https://github.com/nxp-qoriq/linux/archive/refs/tags/)
- * [busybox](https://github.com/mirror/busybox/archive/refs/tags/) (for initramfs) - `dev/busybox.tar.gz`
+ * [busybox](https://github.com/mirror/busybox/archive/refs/tags/)
- * [CRI-O](https://github.com/cri-o/cri-o/releases) - `dev/crio.tar.gz`
+ * [CRI-O](https://github.com/cri-o/cri-o/releases)
- * [Kubelet](https://kubernetes.io/releases/download/) - `dev/kubelet.tar.gz`
+ * [Kubelet](https://kubernetes.io/releases/download/)
 
-Put them into the `dev/` directory
+Then run
+```
+make download-packages
+```
 
 ```bash
 make itb # for out/board.itb (contains the kernel and the initramfs)

alpine/build-rootfs.sh

@@ -17,3 +17,13 @@ chroot "$ROOTFS" /bin/sh -c "ln -s /var/cache/apk /etc/apk/cache"
 chroot "$ROOTFS" /bin/sh -c "apk add bash curl"
 cp "/install-packages.sh" "$ROOTFS/install-packages.sh"
 chroot "$ROOTFS" /bin/bash /install-packages.sh
+
+umount "$ROOTFS/var/cache/apk"
+umount "$ROOTFS/dev"
+umount "$ROOTFS/proc"
+umount "$ROOTFS/sys"
+umount "$ROOTFS/run"
+
+rm -r "$ROOTFS/build"
+
+# Begin making full disk image for the device

alpine/install-packages.sh

@@ -16,8 +16,6 @@ if [ $? -ne 0 ]; then
 	exit $?
 fi
 
-#grep -nE 'conmon|default_runtime|runtime_path|monitor-path|pinns_path' /etc/crio/crio.conf.d/10-crio.conf
-#crio config | grep -E 'conmon|default_runtime|runtime_path|pinns_path|network_dir|plugin_dirs|cgroup_manager'
 echo "--------------"
 sed -i "s/default_runtime = \"crun\"/\0\ncgroup_manager = \"cgroupfs\"/g" /etc/crio/crio.conf.d/10-crio.conf
 cat /etc/crio/crio.conf.d/10-crio.conf
@@ -29,5 +27,3 @@ mkdir -p /etc/cni/net.d
 mkdir -p /opt/cni/bin
 mkdir -p /run/crun
 mkdir -p /run/runc
-
-crio --log-level debug

build.env

@@ -5,6 +5,7 @@ TAG=dev
 
 # The Linux kernel, from NXP
 NXP_VERSION=lf-6.18.2-1.0.0
+CRIO_VERSION=cri-o.arm64.v1.35.1
 
 # Mono's tutorial said fsl-ls1046a-rdb.dtb but our shipped board is not that one
 # We need fsl-ls1046a-rdb-sdk.dtb here

docker/alpine.Dockerfile

@@ -4,19 +4,12 @@ FROM --platform=linux/amd64 ${DOCKER_IMAGE_ROOT}/build-base:${TAG} AS build-base
 
 ARG ALPINE_ARCH
 ARG ALPINE_VER
-
+ARG CRIO_VERSION
-RUN apt-get update && apt-get install -y qemu-user-static --no-install-recommends
 
 RUN mkdir -p "/out/rootfs"
 
-# RUN curl -L \
+COPY packages/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz ./alpine.tar.gz
-#   "https://dl-cdn.alpinelinux.org/alpine/v3.21/releases/${ALPINE_ARCH}/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz" \
+COPY packages/${CRIO_VERSION}.tar.gz ./crio.tar.gz
-#   -o alpine-minirootfs.tar.gz
-# RUN tar -xzf alpine-minirootfs.tar.gz -C "/out/rootfs"
-
-# Dev-only shortcut
-COPY dev/alpine.tar.gz ./
-COPY dev/crio.tar.gz ./
 
 RUN tar -xf alpine.tar.gz -C "/out/rootfs"
 

docker/build-base.Dockerfile

@@ -12,6 +12,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     cpio \
     curl \
     file \
+	fdisk \
     flex \
     git \
     gettext-base \
@@ -22,6 +23,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     pahole \
     perl \
     python3 \
+	qemu-user-static \
     rsync \
     tar \
     xz-utils \

docker/fit-build.Dockerfile

@@ -19,12 +19,8 @@ RUN test -n "${BUSYBOX_VERSION}" || (echo "Please specify BUSYBOX_VERSION" >&2;
     test -n "${ARCH}" || (echo "Please specify ARCH" >&2; exit 1); \
     test -n "${CROSS_COMPILE}" || (echo "Please specify CROSS_COMPILE" >&2; exit 1)
 
-COPY dev/busybox.tar.gz ./
+COPY packages/busybox-${BUSYBOX_VERSION}.tar.gz ./
-RUN tar -xf busybox.tar.gz && mv "busybox-${BUSYBOX_VERSION}" busybox
+RUN tar -xf busybox-${BUSYBOX_VERSION}.tar.gz && mv "busybox-${BUSYBOX_VERSION}" busybox
-
-# RUN curl -L https://github.com/mirror/busybox/archive/refs/tags/${BUSYBOX_VERSION}.tar.gz -o busybox.tar.gz \
-#  && tar -xf busybox.tar.gz \
-#  && mv "busybox-${BUSYBOX_VERSION}" busybox
 
 WORKDIR /build/busybox
 

docker/kernel-build.Dockerfile

@@ -14,17 +14,10 @@ RUN test -n "${NXP_VERSION}" || (echo "Please specify NXP_VERSION" >&2; exit 1);
     test -n "${CROSS_COMPILE}" || (echo "Please specify CROSS_COMPILE" >&2; exit 1); \
     test -n "${DEVICE_TREE_TARGET}" || (echo "Please specify DEVICE_TREE_TARGET" >&2; exit 1)
 
-# Dev-only shortcut
+COPY packages/${NXP_VERSION}.tar.gz ./
-COPY dev/nxplinux.tar.gz ./
+RUN tar -xf ${NXP_VERSION}.tar.gz \
-RUN tar -xf nxplinux.tar.gz \
  && mv "linux-${NXP_VERSION}" nxplinux \
- && rm -f nxplinux.tar.gz
+ && rm -f ${NXP_VERSION}.tar.gz
-
-# Or download directly:
-# RUN curl -L "https://github.com/nxp-qoriq/linux/archive/refs/tags/${NXP_VERSION}.tar.gz" -o nxplinux.tar.gz \
-#  && tar -xf nxplinux.tar.gz \
-#  && mv "linux-${NXP_VERSION}" nxplinux \
-#  && rm -f nxplinux.tar.gz
 
 WORKDIR /build/nxplinux
 

kernel-extra.config

@@ -1,7 +1,5 @@
 ###############################################################################
 # Core initramfs / board support
-# These are built-in because you said initramfs needs them and you want them
-# available early during boot.
 ###############################################################################
 
 CONFIG_HWMON=y

makefile

@@ -3,6 +3,26 @@ export
 
 TAG ?= dev
 
+define fetch_if_missing
+	@if [ ! -f "$1" ]; then \
+		echo "Downloading $1"; \
+		curl -L -o "$1" "$2"; \
+	fi
+endef
+
+ALPINE_SERIES := $(word 1,$(subst ., ,${ALPINE_VER})).$(word 2,$(subst ., ,${ALPINE_VER}))
+
+download-packages:
+	@mkdir -p packages
+
+	$(call fetch_if_missing,packages/busybox-${BUSYBOX_VERSION}.tar.gz,https://github.com/mirror/busybox/archive/refs/tags/${BUSYBOX_VERSION}.tar.gz)
+
+	$(call fetch_if_missing,packages/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz,https://dl-cdn.alpinelinux.org/alpine/v$(ALPINE_SERIES)/releases/${ALPINE_ARCH}/alpine-minirootfs-${ALPINE_VER}-${ALPINE_ARCH}.tar.gz)
+
+	$(call fetch_if_missing,packages/${NXP_VERSION}.tar.gz,https://github.com/nxp-qoriq/linux/archive/refs/tags/${NXP_VERSION}.tar.gz)
+
+	$(call fetch_if_missing,packages/${CRIO_VERSION}.tar.gz,https://storage.googleapis.com/cri-o/artifacts/${CRIO_VERSION}.tar.gz)
+
 build-base:
 	docker build \
 	-f docker/build-base.Dockerfile \
@@ -47,6 +67,7 @@ buildenv-alpine: build-base
 		--build-arg TAG=$(TAG) \
 		--build-arg ALPINE_ARCH=$(ALPINE_ARCH) \
 		--build-arg ALPINE_VER=$(ALPINE_VER) \
+		--build-arg CRIO_VERSION=$(CRIO_VERSION) \
 	-t $(DOCKER_IMAGE_ROOT)/buildenv-alpine:$(TAG) .
 
 alpine-rootfs: buildenv-alpine kernel-build
@@ -55,5 +76,6 @@ alpine-rootfs: buildenv-alpine kernel-build
 		-v /cache/apk:/var/cache/apk \
 		-v /cache/artifacts:/artifacts \
 		-e ROOTFS=/out/rootfs \
+		-e ARTIFACT_DIR=/artifacts \
 		$(DOCKER_IMAGE_ROOT)/buildenv-alpine:$(TAG) \
 		bash -lc '/build-rootfs.sh'