#!/bin/bash

#
# This can be invoked either from the commandline of a fedora 25 vm, or as user-data
# either way, the part inside the "if" needs to be run by hand from the console atmA
#
# The most experimental way, is to use the ./scripts/hosting/digitalocean/host.sh script to modify this one for the current build
# push the rancher/os:sha image to hub, and then use
#   doctl.exe compute droplet create --enable-ipv6 --enable-private-networking --image fedora-25-x64 --region sfo1 --size 2gb --ssh-keys 6956055 --ssh-keys 7170404 --user-data-file digitalocean.yml sven
#  where:
#$ cat digitalocean.yml
##include
#http://<IPaddress>:2115/digitalocean.sh
#
#

ROS_VERSION="v1.0.1-rc1"
URL_BASE="https://github.com/rancher/os/releases/download/${ROS_VERSION}"
VMLINUX="vmlinuz-4.9.22-rancher"
INITRD="initrd

cd /tmp
echo "downloading ${URL_BASE}/${VMLINUX}" > /dev/kmsg
curl -O -L "${URL_BASE}/${VMLINUX}"
echo "downloading ${URL_BASE}/${INITRD}" > /dev/kmsg
curl -O -L "${URL_BASE}/${INITRD}"

if type ros 2>/dev/null; then
	if [ "$(ros config get rancher.environment.installer)" == "true" ] && ros --version &>/dev/null; then
		# This stuff isn't called automatically atm, need to ru manually
		#FIXME removing the grub dir stops `ros os upgrade` from re-installing syslinux, which seems to cause havoc
		system-docker run -dit --privileged --name stuff alpine top
		system-docker exec -it stuff mount /dev/vda1 /mnt
		system-docker exec -it stuff rm -rf /mnt/boot/grub /mnt/boot/*fc25* /mnt/var /mnt/usr /mnt/dev /mnt/proc /mnt/sys /mnt/tmp
		system-docker exec -it stuff umount /mnt
		system-docker rm -f stuff


		ros config set rancher.debug true
		ros install -f --no-reboot \
		         -d /dev/vda -p /dev/vda1 \
        	        --statedir ros -t noformat \
               	 --append "rancher.state.dev=LABEL=DOROOT rancher.state.directory=ros rancher.debug=true printk.devkmsg=on notsc clocksource=kvm-clock rancher.network.interfaces.eth0.ipv4ll rancher.cloud_init.datasources=[digitalocean] rancher.autologin=tty1 rancher.autologin=ttyS0"
	        exit 0
	fi
fi

echo "installing kexec" > /dev/kmsg
#apt-get update && apt-get install -y kexec-tools ipcalc
#dnf update
dnf install -y kexec-tools ipcalc

echo "running kexec" > /dev/kmsg

kexec --initrd=${INITRD} -l ${VMLINUX} -f --command-line="rancher.debug=true printk.devkmsg=on notsc clocksource=kvm-clock rancher.network.interfaces.eth0.ipv4ll rancher.cloud_init.datasources=[digitalocean] rancher.autologin=tty1 rancher.autologin=ttyS0 rancher.environment.installer=true"