launch coreos with software TPM

run.sh

#!/bin/bash -xe

i=0
while [ -d /tmp/mytpm$i ]; do
let i=i+1
done
tpm=/tmp/tpm$i
disk=coreos_production_qemu_image.img

mkdir $tpm
echo "Starting $tpm"
sudo swtpm socket --tpmstate dir=$tpm --tpm2 \
             --ctrl type=unixio,path=/$tpm/swtpm-sock &
sleep 2 # this should be changed to a netstat query

sudo kvm -hda ${disk} \
    -chardev socket,id=chrtpm,path=/$tpm/swtpm-sock \
    -tpmdev emulator,id=tpm0,chardev=chrtpm \
    -device tpm-tis,tpmdev=tpm0 \
    -nographic \
    -serial telnet:127.0.0.1:4444,server,nowait \
    -m 1024