Improve handling of root disk in GRUB
Since vdX names become sdX names inside VMs, use the same setup as the fstab in order to map this onto a static SCSI ID.
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@ -109,6 +109,7 @@ def install(**kwargs):
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# The root, var, and log volumes have specific values
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if disk['mountpoint'] == "/":
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root_disk['scsi_id'] = disk_id
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dump = 0
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cpass = 1
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elif disk['mountpoint'] == '/var' or disk['mountpoint'] == '/var/log':
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@ -184,12 +185,12 @@ interface "ens2" {
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GRUB_DEFAULT=0
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GRUB_TIMEOUT=1
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GRUB_DISTRIBUTOR="PVC Virtual Machine"
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GRUB_CMDLINE_LINUX_DEFAULT="root=/dev/{root_disk} console=tty0 console=ttyS0,115200n8"
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GRUB_CMDLINE_LINUX_DEFAULT="root=/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-{root_disk} console=tty0 console=ttyS0,115200n8"
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GRUB_CMDLINE_LINUX=""
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GRUB_TERMINAL=console
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GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
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GRUB_DISABLE_LINUX_UUID=false
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""".format(root_disk=root_disk['disk_id'])
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""".format(root_disk=root_disk['scsi_id'])
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fh.write(data)
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# Chroot, do some in-root tasks, then exit the chroot
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