[Bug 2000594] [NEW] swapfile not created if user selects 'something else' during install

[Matthew Eaton]

Public bug reported:

A swapfile is not created when the user selects 'something else' and
creates a custom partition layout during installation. A swapfile is
created using the 'erase disk and install ubuntu' option.

Steps to reproduce:
Boot to Ubuntu 22.04.1 installer
Select 'Something else" during installation
Create EFI system partition
Create root ext4 partition
Finish installation and reboot

ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ ls -l /swapfile
ls: cannot access '/swapfile': No such file or directory

ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ free -h
               total        used        free      shared  buff/cache   available
Mem:            31Gi       1.2Gi        27Gi       493Mi       2.0Gi        29Gi
Swap:             0B          0B          0B

ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ cat /etc/fstab 
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda2 during installation
UUID=54c4ff2f-6029-49dd-8548-53755871011f /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda1 during installation
UUID=2E7B-F985  /boot/efi       vfat    umask=0077      0       1

ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ lsb_release -rd
Description:	Ubuntu 22.04.1 LTS
Release:	22.04

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 5.15.0-56.62-generic 5.15.64
Uname: Linux 5.15.0-56-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Dec 27 11:28:48 2022
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
InstallationDate: Installed on 2022-12-27 (0 days ago)
InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy ubiquity-22.04.17 wayland-session

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https://bugs.launchpad.net/bugs/2000594

Title:
  swapfile not created if user selects 'something else' during install

Status in ubiquity package in Ubuntu:
  New

Bug description:
  A swapfile is not created when the user selects 'something else' and
  creates a custom partition layout during installation. A swapfile is
  created using the 'erase disk and install ubuntu' option.

  Steps to reproduce:
  Boot to Ubuntu 22.04.1 installer
  Select 'Something else" during installation
  Create EFI system partition
  Create root ext4 partition
  Finish installation and reboot

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ ls -l /swapfile
  ls: cannot access '/swapfile': No such file or directory

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ free -h
                 total        used        free      shared  buff/cache   available
  Mem:            31Gi       1.2Gi        27Gi       493Mi       2.0Gi        29Gi
  Swap:             0B          0B          0B

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ cat /etc/fstab 
  # /etc/fstab: static file system information.
  #
  # Use 'blkid' to print the universally unique identifier for a
  # device; this may be used with UUID= as a more robust way to name devices
  # that works even if disks are added and removed. See fstab(5).
  #
  # <file system> <mount point>   <type>  <options>       <dump>  <pass>
  # / was on /dev/sda2 during installation
  UUID=54c4ff2f-6029-49dd-8548-53755871011f /               ext4    errors=remount-ro 0       1
  # /boot/efi was on /dev/sda1 during installation
  UUID=2E7B-F985  /boot/efi       vfat    umask=0077      0       1

  ubuntu2 at ubuntu2-Z690-AORUS-PRO:~$ lsb_release -rd
  Description:	Ubuntu 22.04.1 LTS
  Release:	22.04

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.15.0-56.62-generic 5.15.64
  Uname: Linux 5.15.0-56-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Dec 27 11:28:48 2022
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2022-12-27 (0 days ago)
  InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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