[Bug 1879305] Re: [UBUNTU 20.04] Subiquity installer cannot find dasd device

[Dimitri John Ledkov]

** Changed in: subiquity (Ubuntu)
       Status: Confirmed => Fix Released

** Changed in: subiquity (Ubuntu Focal)
       Status: New => Fix Released

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Title:
  [UBUNTU 20.04] Subiquity installer cannot find dasd device

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in subiquity package in Ubuntu:
  Fix Released
Status in subiquity source package in Focal:
  Fix Released

Bug description:
  I'm installing Ubuntu 20.04 with a nocloud-net installation source on
  a z/VM guest. I'm currently limited to seeing installation output only
  through webhook reporter, because I cannot access shell on the target
  system during installation.

  Installation stops at trying to find a dasd disk. I tried following
  Curtin documentation on dasd and examples from
  https://github.com/canonical/curtin/blob/master/examples/tests/basic-
  dasd.yaml with different options, but had no success.

  Kernel command-line:
  cio_ignore=all,!condev,!0.0.3695,!0.0.bdf0-0.0.bdf2 url=http://bistro.lnxne.boe/ubuntu/UBUNTU20.04/ubuntu-20.04-live-server-s390x.iso ip=172.18.76.38::172.18.0.1:255.254.0.0:m8330038.lnxne.boe:encbdf0:none:172.18.0.1 autoinstall ds=nocloud-net;s=http://t35lp37.lnxne.boe:8080/cfg/

  #cloud-config
  autoinstall:
    version: 1
    reporting:
      remote:
        type: webhook
        endpoint: http://t35lp37.lnxne.boe:8080/log/
        level: DEBUG
    refresh-installer:
      update: yes
    apt:
      primary:
      - arches: [s390x]
        uri: http://us.ports.ubuntu.com/ubuntu-ports
    identity: {hostname: m8330038, password: .ueYA4yxzICWX9/.wxG7epPimsn.FM/CuMQMqjgbBbawyn5T3zYyGc5Io4ZNRcvItBWojzpO1S8bkTpthJRPc4Q.,
      realname: user, username: user}
    keyboard: {layout: us, variant: ''}
    locale: en_US
    ssh:
      allow-pw: true
      authorized-keys: []
      install-server: true
    storage:
      config:
        - {device_id: 0.0.3695, blocksize: 4096, disk_layout: cdl, mode: quick, preserve: false, type: dasd, id: dasd-dasda}
        - {ptable: vtoc, serial: 0X3695, path: /dev/dasda, wipe: superblock-recursive, preserve: false, name: '', grub_device: false, device_id: 0.0.3695, type: disk, id: disk-dasda}
        - {device: disk-dasda, size: 22153265152, wipe: superblock, flag: '', number: 1, preserve: false, type: partition, id: partition-0}
        - {fstype: ext4, volume: partition-0, preserve: false, type: format, id: format-0}
        - {device: format-0, path: /, type: mount, id: mount-0}

  
  I get the following output on the webhook:
  curtin start subiquity/Filesystem/apply_autoinstall_config:
  curtin start subiquity/Filesystem/apply_autoinstall_config/convert_autoinstall_config:
  curtin finish subiquity/Filesystem/apply_autoinstall_config/convert_autoinstall_config: {'device_id': '0.0.3695', 'grub_device': False, 'id': 'disk-dasda', 'name': '', 'path': '/dev/dasda', 'preserve': False, 'ptable': 'vtoc', 'serial': '0X3695', 'type': 'disk', 'wipe': 'superblock-recursive'} matched no disk
  curtin finish subiquity/Filesystem/apply_autoinstall_config: {'device_id': '0.0.3695', 'grub_device': False, 'id': 'disk-dasda', 'name': '', 'path': '/dev/dasda', 'preserve': False, 'ptable': 'vtoc', 'serial': '0X3695', 'type': 'disk', 'wipe': 'superblock-recursive'} matched no disk
  curtin start subiquity/Error/1589794065.193394184.ui/add_info:
  curtin finish subiquity/Error/1589794065.193394184.ui/add_info: written to /var/crash/1589794065.193394184.ui.crash

  
  When I use a simple configuration described in Ubuntu Wiki ( https://wiki.ubuntu.com/FoundationsTeam/AutomatedServerInstalls/ConfigReference#storage ), I get a different output:

    storage:
      layout:
        name: direct

  curtin start subiquity/Filesystem/apply_autoinstall_config:
  curtin finish subiquity/Filesystem/_probe/probe_once: restricted=False
  curtin finish subiquity/Filesystem/_probe:
  curtin start subiquity/Filesystem/apply_autoinstall_config/convert_autoinstall_config:
  curtin finish subiquity/Filesystem/apply_autoinstall_config/convert_autoinstall_config: 'None                                                                                                Type' object has no attribute 'grub_device'
  curtin finish subiquity/Filesystem/apply_autoinstall_config: 'NoneType' object has no attribu                                                                                                te 'grub_device'

  (same with layout "lvm")

  Manual installation works fine, but I need to enable the DASD in the
  menu.

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