feat(service): use slurm sinfo command to improve "cluster load" indicator

[MartinBelthle]

The branch name does not have anything to do with this PR, my bad.

There's a PR linked to it on antares-cd which includes the partition in the application.yaml file.
This PR has been merged.

[commit-lint]

Features

• service: add sinfo command to retrieve cluster load (3905bcf)

Bug Fixes

• config: add default value for partition (26a7c21)

Contributors

MartinBelthle

Commit-Lint commands

You can trigger Commit-Lint actions by commenting on this PR:

• @Commit-Lint merge patch will merge dependabot PR on "patch" versions (X.X.Y - Y change)
• @Commit-Lint merge minor will merge dependabot PR on "minor" versions (X.Y.Y - Y change)
• @Commit-Lint merge major will merge dependabot PR on "major" versions (Y.Y.Y - Y change)
• @Commit-Lint merge disable will desactivate merge dependabot PR
• @Commit-Lint review will approve dependabot PR
• @Commit-Lint stop review will stop approve dependabot PR

[laurent-laporte-pro]

Curieusement, en intégration, l'indicateur donne :

{
  "allocatedCpuRate": 0,
  "clusterLoadRate": 0.6666666666666667,
  "nbQueuedJobs": 2,
  "launcherStatus": "SUCCESS"
}

Alors qu'a priori, il n'y a rien qui tourne sur ce serveur…

[laurent-laporte-pro]

Mise à jour de la documentation pour le nouveau paramètre partition.

Meilleure gestion du paramètre partition lorsqu'il est vide.

Gestion des erreurs lorsque la partition n'existe pas.