Adding Ubuntu Focal.

Author: pauldotknopf

Makefile

@@ -12,11 +12,15 @@ build:
 	@cd arch && ./build $(TAG)
 	@echo "building ubuntu bionic"
 	@cd ubuntu/bionic && ./build $(TAG)
+	@echo "building ubuntu focal"
+	@cd ubuntu/focal && ./build $(TAG)
 deploy:
 	@echo "logging into docker"
 	@docker login -u $(LOGIN_USERNAME) -p $(LOGIN_PASSWORD)
 	@echo "deplying arch"
 	@cd arch && ./deploy $(TAG)
 	@echo "deplying ubuntu bionic"
 	@cd ubuntu/bionic && ./deploy $(TAG)
+	@echo "deplying ubuntu focal"
+	@cd ubuntu/focal && ./deploy $(TAG)
 ci: build deploy

ubuntu/focal/Dockerfile

@@ -0,0 +1,25 @@
+FROM scratch
+
+ADD root.x86_64.tar.gz /
+
+# The --with-new-pkgs will also update the kernel as well.
+RUN apt-get update && apt-get --with-new-pkgs upgrade -y
+
+# Some common packages
+RUN apt-get -y install lvm2
+
+ADD helpers/darch-extract /darch-extract
+ADD helpers/darch-prepare /darch-prepare
+ADD helpers/darch-runrecipe /darch-runrecipe
+ADD helpers/darch-teardown /darch-teardown
+
+# Add the Darch repo for initramfs tools.
+RUN apt-get -y install curl gnupg software-properties-common
+RUN curl -L https://raw.githubusercontent.com/godarch/debian-repo/master/key.pub | apt-key add -
+RUN add-apt-repository 'deb https://raw.githubusercontent.com/godarch/debian-repo/master/darch testing main'
+RUN apt-get update
+RUN apt-get -y install darch-initramfs-tools
+RUN update-initramfs -u
+
+# Clean up
+RUN apt-get clean

ubuntu/focal/build

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+if [ ! -e root.x86_64 ]; then
+    mkdir root.x86_64
+    debootstrap --include=linux-image-generic focal root.x86_64 http://archive.ubuntu.com/ubuntu/
+fi
+
+if [ ! -e root.x86_64.tar.gz ]; then
+    cd root.x86_64
+    tar -czpf ../root.x86_64.tar.gz *
+    cd ..
+fi
+
+docker build --squash -t godarch/ubuntu:focal .
+docker tag godarch/ubuntu:focal godarch/ubuntu:focal-$TAG

ubuntu/focal/deploy

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -e
+
+TAG="$1"
+
+docker push godarch/ubuntu:focal
+docker push godarch/ubuntu:focal-$TAG

ubuntu/focal/helpers/darch-extract

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -e
+
+# TODO: Only install if needed, and if we install it, remove it when we are done.
+apt-get install -y squashfs-tools
+
+# Make the directory that will be extracted
+mkdir /extract
+
+# Build/copy all files to extract directory
+mksquashfs / /extract/rootfs.squash -e /extract -e /sys -e /proc
+KERNEL=`find /boot -name "vmlinuz*generic"`
+INITRAMFS=`find /boot -name "initrd*generic"`
+cp $KERNEL /extract/vmlinuz
+cp $INITRAMFS /extract/init.img
+
+# Stamp a json file which tells people what files are for what.
+json='{"kernel": "vmlinuz", "kernelparams": "boot=darch root=dummy", "initramfs": "init.img", "rootfs": "rootfs.squash", "nodoublemount": false}'
+echo $json > /extract/image.json

ubuntu/focal/helpers/darch-prepare

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+set -e
+
+echo "preparing..."

ubuntu/focal/helpers/darch-runrecipe

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -e
+
+RECIPE_NAME="$1"
+
+/usr/bin/env bash -c "cd /recipes/$RECIPE_NAME/ && ./script"

ubuntu/focal/helpers/darch-teardown

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -e
+
+echo "tearing down..."
+
+apt-get clean