Error running new site.yml playbook

[pierrepo]

On an Ubuntu 24.04 system (updated from 22.04 and 20.04), running the site.yml playbook fails with this error message:

$ ansible-playbook site.yml -i hosts.plasma -u ubuntu --limit uracile

--- snip ---

TASK [Download the TLJH installer] *****************************************************************************************************************
ok: [81.194.XX.XX]

TASK [Check if the tljh-plasma is already installed] ***********************************************************************************************
ok: [81.194.XX.XX]

TASK [Upgrade the tljh-plasma plugin first if it is already installed] *****************************************************************************
skipping: [81.194.XX.XX]

TASK [Run the TLJH installer] **********************************************************************************************************************
fatal: [81.194.XX.XX]: FAILED! => changed=true 
  cmd: |-
    /usr/bin/python3 /srv/tljh-installer.py  --version 1.0.0  --plugin git+https://github.com/plasmabio/plasma@master#"egg=tljh-plasma&subdirectory=tljh-plasma" tljh-repo2docker==1.0.2
  delta: '0:00:00.167622'
  end: '2025-06-17 21:29:19.816125'
  msg: non-zero return code
  rc: 1
  start: '2025-06-17 21:29:19.648503'
  stderr: |-
    Existing TLJH installation detected, upgrading...
    Upgrading pip...
    Ran /opt/tljh/hub/bin/pip install --upgrade pip with exit code 1
    Traceback (most recent call last):
      File "/opt/tljh/hub/bin/pip", line 5, in <module>
        from pip._internal.cli.main import main
    ModuleNotFoundError: No module named 'pip'
  
    Traceback (most recent call last):
      File "/srv/tljh-installer.py", line 516, in <module>
        main()
      File "/srv/tljh-installer.py", line 480, in main
        run_subprocess([hub_env_pip, "install", "--upgrade", "pip"])
      File "/srv/tljh-installer.py", line 172, in run_subprocess
        raise subprocess.CalledProcessError(cmd=cmd, returncode=proc.returncode)
    subprocess.CalledProcessError: Command '['/opt/tljh/hub/bin/pip', 'install', '--upgrade', 'pip']' returned non-zero exit status 1.
  stderr_lines: <omitted>
  stdout: ''
  stdout_lines: <omitted>

pip is installed system-wide:

$ pip --version
pip 22.0.2 from /usr/lib/python3/dist-packages/pip (python 3.10)

but indeed missing with tljh:

$ /opt/tljh/hub/bin/pip --version
Traceback (most recent call last):
  File "/opt/tljh/hub/bin/pip", line 5, in <module>
    from pip._internal.cli.main import main
ModuleNotFoundError: No module named 'pip'

[pierrepo]

Do you have any idea @jtpio ?

[jtpio]

Existing TLJH installation detected, upgrading...

Maybe it could be worth trying to uninstall a previous installation of TLJH with the playbook? https://docs.plasmabio.org/en/latest/install/uninstall.html

[pierrepo]

Thanks @jtpio
I ran the uninstall.yml playbook followed by the site.yml one and I got now this error:

--- snip ---


TASK [Wait for service to stop] *************************************************************************************
fatal: [81.194.28.250]: FAILED! => changed=false 
  elapsed: 30
  msg: Timeout when waiting for 127.0.0.1:80 to stop.
...ignoring

TASK [Check for any remaining JupyterHub processes] *****************************************************************
fatal: [81.194.28.250]: FAILED! => changed=true 
  cmd: pkill -f jupyterhub || true
  delta: '0:00:00.054974'
  end: '2025-06-18 09:38:41.639931'
  msg: non-zero return code
  rc: -15
  start: '2025-06-18 09:38:41.584957'
  stderr: ''
  stderr_lines: <omitted>
  stdout: ''
  stdout_lines: <omitted>
...ignoring


--- snip ---

[pierrepo]

The web server / hub is not up.

[jtpio]

Hmm it says "ignoring" but does not continue with the next tasks?

Otherwise maybe try to remove that task from the playbook locally? https://github.com/plasmabio/plasma/blob/master/ansible/tljh.yml

And the re-run the playbook?