DUNE-DAQ / DUNE-DAQ/drunc

[Discussion] Do we want to support systems without the Connectivity Service?

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bug enhancement
Dominant language
Python
Stars
3
Forks
5
Avg merge
2d 11h
Merged PRs (30d)
10

Description

The listrev Single-App integration test case did not use the Connectivity Service because the whole system was contained in a single app, and no network connections were needed. drunc, however, has grown a dependency on the CS for its own control channels.

Two items:

  1. Should drunc support systems that do not use the Connectivity Service? What functionality do these systems implement that make running a CS (even if only for drunc processes) problematic?
  2. In the case that a Connectivity Service server is not found, we may want to improve the log messages (error boxes) printed by drunc, to make it more clear that this is what is happening.

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Research direction

Start by reviewing drunc's dependency on the Connectivity Service for control channels and compare it with the listrev Single-App integration test, which runs without that service. Determine which no-CS systems need support and what clearer error boxes should communicate when a server is unavailable. Done requires an agreed scope and corresponding validation approach.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
distributed-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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