Install alpine linux on xhyve VM

README

# curl -LO http://wiki.alpinelinux.org/cgi-bin/dl.cgi/v3.3/releases/x86_64/alpine-3.3.1-x86_64.iso
curl -LO http://wiki.alpinelinux.org/cgi-bin/dl.cgi/v3.3/releases/x86/alpine-3.3.1-x86.iso

# create hdd image (8GB)
dd if=/dev/zero of=hdd.img bs=1g count=8

# extract kernel and initramfs
brew install cdrtools
isoinfo -i alpine-3.3.1-x86.iso -J -x /boot/initramfs-grsec > initramfs-grsec
isoinfo -i alpine-3.3.1-x86.iso -J -x /boot/vmlinuz-grsec > vmlinuz-grsec

sudo ./install.sh 
# login: root (no password)
setup-alpine # follow instructions

mkdir /mnt/vda1
mount -t ext4 /dev/vda1 /mnt/vda1

cat /mnt/vda1/extlinux.conf | grep APPEND
# e.g. result:
# APPEND root=UUID=19023208-f0f5-4c34-b27c-9f011ba78c5e modules=sd-mod,usb-storage,ext4 quiet
halt

# replace {UUID} in run.sh with UUID from above

sudo ./run.sh

install.sh

#!/bin/sh

# Linux
KERNEL="vmlinuz-grsec"
INITRD="initramfs-grsec"
CMDLINE="modules=sd-mod,ext4,console quiet console=ttyS0"

MEM="-m 1G"
#SMP="-c 2"
NET="-s 2:0,virtio-net"
IMG_CD="-s 3,ahci-cd,alpine-3.3.1-x86.iso"
IMG_HDD="-s 4,virtio-blk,hdd.img"
PCI_DEV="-s 0:0,hostbridge -s 31,lpc"
LPC_DEV="-l com1,stdio"
ACPI="-A"
# UUID="-U deadbeef-dead-dead-dead-deaddeafbeef"

# Linux
xhyve $ACPI $MEM $SMP $PCI_DEV $LPC_DEV $NET $IMG_CD $IMG_HDD $UUID -f kexec,$KERNEL,$INITRD,"$CMDLINE"

run.sh

#!/bin/sh

# Linux
KERNEL="vmlinuz-grsec"
INITRD="initramfs-grsec"
CMDLINE="root=UUID={UUID} modules=sd-mod,ext4,console quiet console=ttyS0 acpi=on"

MEM="-m 1G"
#SMP="-c 2"
NET="-s 2:0,virtio-net"
# IMG_CD="-s 3,ahci-cd,alpine-3.3.1-x86.iso"
IMG_HDD="-s 4,virtio-blk,hdd.img"
PCI_DEV="-s 0:0,hostbridge -s 31,lpc"
LPC_DEV="-l com1,stdio"
ACPI="-A"
# UUID="-U deadbeef-dead-dead-dead-deaddeafbeef"

# Linux
xhyve $ACPI $MEM $SMP $PCI_DEV $LPC_DEV $NET $IMG_CD $IMG_HDD $UUID -f kexec,$KERNEL,$INITRD,"$CMDLINE"

I have problem with dhcp networking. It gave me this error message when starting the network:-

udhcpc: socket(AF_PACKET,2,8): Address family not supported by protocol

Using 3.3.3 release seem do not have this issue:-

isoinfo -i alpine-3.3.3-x86.iso -J -x /boot/initramfs-grsec > initramfs-grsec
isoinfo -i alpine-3.3.3-x86.iso -J -x /boot/vmlinuz-grsec > vmlinuz-grsec

Hello,
Is it possible to avoid unpacking the files vmlinuz-grsec and initramfs-grsec into host FS?
These files are located in iso in case of install.sh and should be located in /boot which is inside hdd.img after alpine installation in case of run.sh.

They are needed to bootstrap the system. xhyve doesn't really have much of an idea of BIOS, instead it comes with firmware for booting either linux or bad, and one could presume you could have other firmware to do different things... but right now there is no generic BIOS forward to find devices, boot from CD-ROM, etc...

So instead of just fire up the Linux kernel and RAM disk and then it will do it's thing and find the CD-ROM, mount it, etc...