lp:~wesley-wiedenmeier/curtin/trunk.lp1523779

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Bug #1523779: [1.9] grub-install error on power8 deployment

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329. By Wesley Wiedenmeier on 2015-12-22

Check partition flag to ensure that it is valid

328. By Wesley Wiedenmeier on 2015-12-22

Curtin will now attempt to apply any flag specified for msdos partition tables,
instead of just primary/logical/extended. This resolves LP:1523779 from
curtin's perspective because curtin can now set up PReP partitions when given a
storage config with one.

327. By Scott Moser on 2015-12-18

handle lvm devices

326. By Scott Moser on 2015-12-18

fix keyerror if no install_devices

325. By Scott Moser on 2015-12-18

some cleanup and doc and FIXME

324. By Scott Moser on 2015-12-18

explain the no-grub-dev found path a bit

323. By Scott Moser on 2015-12-18

merge with trunk

322. By Scott Moser on 2015-12-16

initial hack commit to fix

This makes my install succeed when provided with gpt and a prep partition.
partitioning_commands:
  builtin: [curtin, block-meta, custom]
storage:
  config:
  - {id: sda, model: IPR-0 5EC29C00, name: sda, ptable: gpt, serial: IBM_IPR-0_5EC29C0000000080, type: disk, wipe: superblock}
  - {device: sda, grub_device: true, id: sda-part1, name: sda-part1, number: 1, flag: prep, offset: 4194304B, size: 8388608B, type: partition, wipe: zero}
  - {device: sda, id: sda-part2, name: sda-part2, number: 2, offset: 12582912B, size: 283778220032B, type: partition, uuid: 6193de67-6b76-4cb6-bf6d-25518842d54b, wipe: superblock}
  - devices: [sda-part2]
    id: vgroot
    name: vgroot
    type: lvm_volgroup
    uuid: 93d1991a-9631-4051-81dd-c60d3267f23b
  - {id: vgroot-lvroot, name: lvroot, size: 283774025728B, type: lvm_partition, volgroup: vgroot}
  - {fstype: ext4, id: vgroot-lvroot_format, label: root, type: format, uuid: efdcbb0b-b9ca-455f-8cf9-1dbfc820717a, volume: vgroot-lvroot}
  - {device: vgroot-lvroot_format, id: vgroot-lvroot_mount, path: /, type: mount}
  version: 1

321. By Scott Moser on 2015-12-15

support passing an integer or valid float to human2bytes

We were forcing people to pass 'size' in a config as a string.
human2bytes("100") was fine but human2bytes(100) would raise exception.

Seems to make sense for human2bytes to allow int (100) or float (100.0).
floats are allowed if int(size) == size (100.0 is ok, 100.4 is not).

320. By Ryan Harper on 2015-12-09

Use /proc/mounts to find missing mountpoints

lsblk (notably on trusty) does not find all mountpoints. Augment
block.get_mountpoints() lsblk data with mountpoints from proc/mounts.
Refactor reading proc/mounts into common function in block for reuse.

Fixes PreciseTestBasic (issues with btrfs on whole disk)
Fixes TrustyTestBasic (issues with dname and ptable)