Mutiple run of Ignition

cmd

# Upload an WMware Image to the Datastore, Boot up the image:
at boot 'e'
coreos.autologin=tty1
set user/pass

# Set password
$ sudo passwd core

# To update if needed
$ update_engine_client -check_for_update

# Manually add enter kernel parameter to grub for ifgnition multi-run
$ cd /usr/share/oem

$ vim grub.cfg
# CoreOS GRUB settings
set oem_id="vmware"
set linux_append="$linux_append coreos.first_boot=1"

# A sample ignition file
$ vim config.ign
{
  "ignition": { "version": "2.2.0" },
  "storage": {
    "files": [{
      "filesystem": "root",
      "path": "/etc/hostname",
      "mode": 420,
      "contents": { "source": "data:,hostname-test1" }
    }]
  }
}

$reboot


# TODO
(The template is connecting to network and is sshachable (DHCP is non-existence))
packer can clone the template to do the modofication based on what suggested in L12-32 and create custom coreos.