========== iscsi-boot ========== Handles configuration for the disk to be capable of serving as a remote root filesystem through iSCSI. Currently, this element can configure Ubuntu/Debian images and CentOS images. It performs the following actions: For Ubuntu/Debian images: * Installs the ``open-iscsi`` package. * Creates the ``etc/iscsi/iscsi.initramfs`` configuration file and sets ``ISCSI_AUTO=true`` within it. * Updates the initramfs to apply the changes. For CentOS images: * Required ``dracut-regenerate`` element when performs ``disk-image-create``. * Updates ``network`` and ``iscsi`` into ``dracut-regenerate`` during pre-installs. * Updates ``GRUB_CMDLINE_LINUX_DEFAULT`` into ``/etc/default/grub``.