Merge pull request #1116 from justincormack/iso-cleanup

Cleanup BIOS ISO builds

base/mkimage-iso-bios/Dockerfile

@@ -1,16 +1,13 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 RUN \
   apk update && apk upgrade && \
   apk add --no-cache \
+  libarchive-tools \
   cdrkit \
   syslinux \
   && true
 
-WORKDIR /tmp/iso
+COPY . .
 
-COPY isolinux.cfg ./isolinux/
-
-COPY make-iso /usr/bin
-
-CMD [ "/usr/bin/make-iso" ]
+CMD [ "/make-iso" ]

base/mkimage-iso-bios/Makefile

@@ -1,14 +1,14 @@
 .PHONY: tag push
 
-BASE=alpine:3.4
+BASE=alpine:3.5
 IMAGE=mkimage-iso-bios
 
 default: push
 
-hash:
+hash: Dockerfile make-iso
 	DOCKER_CONTENT_TRUST=1 docker pull $(BASE)
-	tar cf - Dockerfile make-iso isolinux.cfg | docker build --no-cache -t $(IMAGE):build -
-	docker run --rm $(IMAGE):build sha1sum /lib/apk/db/installed | sed 's/ .*//' > hash
+	tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
+	docker run --rm --entrypoint /bin/sh $(IMAGE):build -c 'cat $^ /lib/apk/db/installed | sha1sum' | sed 's/ .*//' > $@
 
 push: hash
 	docker pull mobylinux/$(IMAGE):$(shell cat hash) || \

base/mkimage-iso-bios/isolinux.cfg

@@ -1,5 +0,0 @@
-DEFAULT linux
-LABEL linux
-    KERNEL /vmlinuz64
-    INITRD /initrd.img
-    APPEND earlyprintk=serial console=ttyS0 console=tty1

base/mkimage-iso-bios/make-iso

@@ -1,12 +1,38 @@
 #!/bin/sh
 
+set -e
+
+mkdir -p /tmp/iso
+cd /tmp/iso
+
 # input is a tarball of vmlinuz64 and initrd.img on stdin
 # output is an iso on stdout
 
+# extract. BSD tar auto recognises compression, unlike GNU tar
+# only if stdin is a tty, if so need files volume mounted...
+[ -t 0 ] || bsdtar xzf -
+
+INITRD="$(find . -name '*.img')"
+KERNEL="$(find . -name vmlinuz64 -or -name bzImage)"
+
+[ "$KERNEL" = "vmlinuz64" ] || mv "$KERNEL" vmlinuz64
+[ "$INITRD" = "initrd.img" ] || mv "$INITRD" initrd.img
+
+# clean up subdirectories
+find . -mindepth 1 -maxdepth 1 -type d | xargs rm -rf
+
+mkdir -p isolinux
 cp /usr/share/syslinux/isolinux.bin ./isolinux/
 cp /usr/share/syslinux/ldlinux.c32 ./isolinux/
 
-tar xf -
+CFG="DEFAULT linux
+LABEL linux
+    KERNEL /vmlinuz64
+    INITRD /initrd.img
+    APPEND earlyprintk=serial console=ttyS0 console=tty1 $*
+"
+
+printf "$CFG" > isolinux/isolinux.cfg
 
 genisoimage -o ../mobylinux-bios.iso -l -J -R \
                 -c isolinux/boot.cat  \

base/mkimage-iso-efi/Dockerfile

@@ -3,8 +3,13 @@ FROM alpine:3.5
 RUN \
   apk update && apk upgrade && \
   apk add --no-cache \
+  libarchive-tools \
   binutils \
   gummiboot \
   mtools \
   xorriso \
   && true
+
+COPY . .
+
+CMD [ "/make-efi" ]

base/mkimage-iso-efi/Makefile

@@ -1,14 +1,14 @@
 .PHONY: tag push
 
 BASE=alpine:3.5
-IMAGE=alpine-efi
+IMAGE=mkimage-iso-efi
 
 default: push
 
-hash:
+hash: Dockerfile make-efi
 	DOCKER_CONTENT_TRUST=1 docker pull $(BASE)
-	tar cf - Dockerfile | docker build --no-cache -t $(IMAGE):build -
-	docker run --rm $(IMAGE):build sha1sum /lib/apk/db/installed | sed 's/ .*//' > hash
+	tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
+	docker run --rm --entrypoint /bin/sh $(IMAGE):build -c 'cat $^ /lib/apk/db/installed | sha1sum' | sed 's/ .*//' > $@
 
 push: hash
 	docker pull mobylinux/$(IMAGE):$(shell cat hash) || \

base/mkimage-iso-efi/make-efi

@@ -0,0 +1,73 @@
+#!/bin/sh
+
+set -e
+
+mkdir -p /tmp/efi
+cd /tmp/efi
+
+# input is a tarball of vmlinuz64 and initrd.img on stdin
+# output is an iso on stdout
+
+# extract. BSD tar auto recognises compression, unlike GNU tar
+# only if stdin is a tty, if so need files volume mounted...
+[ -t 0 ] || bsdtar xzf -
+
+INITRD="$(find . -name '*.img')"
+KERNEL="$(find . -name vmlinuz64 -or -name bzImage)"
+
+[ "$KERNEL" = "vmlinuz64" ] || mv "$KERNEL" vmlinuz64
+[ "$INITRD" = "initrd.img" ] || mv "$INITRD" initrd.img
+
+# clean up subdirectories
+find . -mindepth 1 -maxdepth 1 -type d | xargs rm -rf
+
+# Docker for Windows specific options, should be moved
+WINDOWS_OPTIONS="mobyplatform=windows vsyscall=emulate panic=1 rootdelay=300 noautodetect"
+
+# Create a EFI boot file with kernel and initrd. From:
+# https://github.com/haraldh/mkrescue-uefi/blob/master/mkrescue-uefi.sh
+cp /usr/lib/gummiboot/linuxx64.efi.stub .
+echo "earlyprintk=ttyS0,115200 console=ttyS0,115200 $WINDOWS_OPTIONS" > cmdline.txt
+
+objcopy \
+	--add-section .osrel=/etc/os-release --change-section-vma .osrel=0x20000 \
+	--add-section .cmdline=./cmdline.txt --change-section-vma .cmdline=0x30000 \
+	--add-section .linux=./vmlinuz64 --change-section-vma .linux=0x40000 \
+	--add-section .initrd=initrd.img --change-section-vma .initrd=0x3000000 \
+	./linuxx64.efi.stub \
+	mobylinux.efi
+
+# create a ISO with a EFI boot partition
+mkdir -p iso
+dd if=/dev/zero of=iso/efi.raw bs=1024 count=78000
+mkfs.vfat iso/efi.raw
+
+echo "mtools_skip_check=1" >> /etc/mtools.conf && \
+mmd -i iso/efi.raw ::/EFI
+mmd -i iso/efi.raw ::/EFI/BOOT
+mcopy -i iso/efi.raw mobylinux.efi ::/EFI/BOOT/BOOTX64.EFI
+
+xorriso -as mkisofs \
+	-R -f -e efi.raw -no-emul-boot -o mobylinux-efi.iso iso
+
+tar cf - mobylinux-efi.iso mobylinux.efi
+
+# How to build a VHDX. Commented out because we are currently not using it
+# Don't delete: It took too long to figure out how to do this...
+# # create a disk image (150MB)
+# # This is a little odd, as we run this as part of the default command.
+# # Can't run this during the build step as it requires privilege.
+# # The Magic numbers in losetup are startsector (2048) times 512 and
+# # (endsector - startsector) * 512
+# CMD cd /tmp/efi && \
+#     dd if=/dev/zero of=disk.raw bs=1024 count=51200 && \
+#     sgdisk -N 1 -t 1:ef00 disk.raw && \
+#     losetup -o 1048576 --sizelimit 51362816 /dev/loop/1 disk.raw && \
+#     mkfs.vfat /dev/loop/1 && \
+#     echo "drive c: file=\"/dev/loop/1\" mtools_skip_check=1" > /etc/mtools.conf && \
+#     mmd c:/EFI && \
+#     mmd c:/EFI/BOOT && \
+#     mcopy mobylinux.efi c:/EFI/BOOT/BOOTX64.EFI && \
+#     losetup -d /dev/loop/1 && \
+#     qemu-img convert -O vhdx disk.raw mobylinux-boot.vhdx && \
+#     cp /tmp/efi/mobylinux.efi /tmp/efi/mobylinuxefi.iso /tmp/efi/mobylinux-boot.vhdx /mnt/