[Bug 1939732] Re: report availability of Ubuntu Advantage ESM services on unattached machines

[Launchpad Bug Tracker]

This bug was fixed in the package software-properties - 0.99.15

---------------
software-properties (0.99.15) jammy; urgency=medium

  * utils: prefer /var/lib/ubuntu-advantage/status.json over ua status
    - Handle absent /var/lib/ubuntu-advantage/status.json for non-root
      users (LP: #1939732)
    - print unexcepted errors and if _schema_version not equal to 0.1

 -- Chad Smith <chad.smith at canonical.com>  Fri, 29 Oct 2021 15:46:58
-0600

** Changed in: software-properties (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1939732

Title:
  report availability of Ubuntu Advantage ESM services on unattached
  machines

Status in software-properties package in Ubuntu:
  Fix Released
Status in software-properties source package in Bionic:
  New
Status in software-properties source package in Focal:
  Fix Committed
Status in software-properties source package in Hirsute:
  Fix Committed
Status in software-properties source package in Impish:
  Fix Committed

Bug description:
  [Impact]

    * Error messages emitted to software-properties-gtk console "[Errno 2] No such file or directory: '/var/lib/ubuntu-advantage/status.json'" due to incorrect expectation that status.json file is written when non-root runs `ua status`
    * This logic results in multiple `ua status` calls which each result in a network-egress to https://contracts.canonical.com on unattached machines which could result in delays in rendering  the GTK dialogs while awaiting a response.

  [Test Case]
  1. Install latest version of software-properties-gtk from -proposed
  cat > setup_proposed.sh <<EOF
  #!/bin/bash
  mirror=http://archive.ubuntu.com/ubuntu
  echo deb \$mirror \$(lsb_release -sc)-proposed main | tee /etc/apt/sources.list.d/proposed.list
  apt-get update -q
  apt-get install -qy software-properties-gtk software-properties-common python3-software-properties
  EOF

  IP=`uvt-kvm ip ${DESKTOP_VM}`
  scp setup_proposed.sh ubuntu@$IP:.
  ssh ubuntu@$IP -- sudo bash ./setup_proposed.sh

  2. run software-properties-gtk on the commandline
  ssh ubuntu@$IP -- software-properties-gtk

  # Validate no error messages on launch
  3. Click Updates tab and validate
  Basic Security Maintenance   "Extend..."
  Active until 04/23/2025

  (Extend.. is a link that will spawn a browser to
  ubuntu.com/security/esm)

  4. Click Cancel button

  5. Attach to a UA contract and re-run Software and updates UX
  ssh ubuntu@$IP -- sudo ua attach $MY_TOKEN
  ssh ubuntu@$IP -- software-properties-gtk
  # validate no error messages

  6. Click Updates tab and validate:
  Extended Security Maintenance
  Active until 12/31/1999

  # Note no "Extend..." text or link

  [Where problems could occur]
   * invalid parsing of UA contract information or missing /var/lib/ubuntu-advantage/status.json will print messages to the console in the event of errors or warnings.
   * failures and tracebacks in this code will result in invalid representation of system defaults in the Updates tab about whether or not a machine is attached to a contract or whether the contract is expired.
   * Other than user-facing documentation about the state of the UA subscription this does not prevent the dialogs from functioning.
   * limited network environments could have a delay of UX rendering due to `ua status` calls timing out on attempts to reach contracts.canonical.com

  [Original Description]

  Release: bionic/focal
  Version: 0.96.24.32 (bionic)

  Issue:
  Software & Updates GTK UI doesn't report availability of Ubuntu Advantage ESM Infra or ESM Apps services on unattached machines

  Steps to repropduce:

  Launch software-properties-gtk from the commandline.
  See unexpected errors on the terminal

   No ua status file written:
  [Errno 2] No such file or directory: '/var/lib/ubuntu-advantage/status.json'

  Navigation to the "Updates" tab
  See only:
  Basic Security Maintenance
  04/26/2023

  Expected results:
  See no error messages on terminal
  See a link to the right of Basic Security Maintenance on the "Updates" tab that points to ESM info
  Basic Security Maintenance                      Extend...(links to  ubuntu.com/security/esm)

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