Introduce --skip-resource-checks parameter

[eflumerf]

Description

Implement resource checking and test skipping as a fixture required before generating a configuration.
With this set of changes, tests specify their recommended and required system resources via a "resource_validator" object, which the check_system_resources fixture uses to determine if sufficient resources are present on the system. The user can, however, pass the --skip-resource-checks parameter to pytest, forcing the tests to run regardless.

Type of change

• New feature or enhancement (non-breaking change which adds functionality)

Testing checklist

• Minimal system quicktest passes (pytest -s minimal_system_quick_test.py)
• Full set of integration tests pass (dunedaq_integtest_bundle.sh)

On a virtual machine with dynamic memory (so the free memory is always a low value):
daqsystemtest_integtest_bundle.sh

...
🔵 Starting test 9 of 9... 🔵
⮕ Running example_system_test.py ⬅
============================= test session starts ==============================
platform linux -- Python 3.12.12, pytest-9.0.2, pluggy-1.6.0
rootdir: /home/eflumerf/Desktop/dune-daq-base/dev-recommendedspecs-260213/sourcecode/daqsystemtest
configfile: pytest.ini
plugins: anyio-4.12.1, integrationtest-3.6.0

DEBUG: CPU count is 32, required number is 30, recommended number is 60
DEBUG: Free memory is 1.25 GB, required amount is 15, recommended amount is 24
DEBUG: Free disk space on "/tmp" is 65.87333679199219 GB, required amount is 1
collected 6 items

sourcecode/daqsystemtest/integtest/example_system_test.py
🟡 This computer (ironvirt9) does not have enough resources to run this test.
 * Free memory is 1.25 GB, required amount is 15.
ssssss

============================== 6 skipped in 0.35s ==============================


+++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++ SUMMARY ++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++

Fri Feb 13 03:35:49 PM CST 2026
Log file is: /tmp/pytest-of-eflumerf/daqsystemtest_integtest_bundle_20260213153542.log

⮕ Running minimal_system_quick_test.py ⬅
============================== 4 skipped 🟡 in 1.01s ==============================
⮕ Running readout_type_scan_test.py ⬅
============================= 27 skipped 🟡 in 0.36s ==============================
⮕ Running 3ru_3df_multirun_test.py ⬅
============================== 6 skipped 🟡 in 0.35s ==============================
⮕ Running small_footprint_quick_test.py ⬅
============================== 3 skipped 🟡 in 0.35s ==============================
⮕ Running fake_data_producer_test.py ⬅
============================== 6 skipped 🟡 in 0.35s ==============================
⮕ Running long_window_readout_test.py ⬅
============================== 4 skipped 🟡 in 0.33s ==============================
⮕ Running 3ru_1df_multirun_test.py ⬅
============================== 6 skipped 🟡 in 0.37s ==============================
⮕ Running tpstream_writing_test.py ⬅
============================== 4 skipped 🟡 in 0.38s ==============================
⮕ Running example_system_test.py ⬅
============================== 6 skipped 🟡 in 0.35s ==============================

daqsystemtest_integtest_bundle.sh --skip-resource-checks -f0 -l0

...
========================= 4 passed in 60.89s (0:01:00) =========================


+++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++ SUMMARY ++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++

Fri Feb 13 03:37:56 PM CST 2026
Log file is: /tmp/pytest-of-eflumerf/daqsystemtest_integtest_bundle_20260213153654.log

⮕ Running minimal_system_quick_test.py ⬅
========================= 4 passed ✅ in 60.89s (0:01:00) =========================
((dbt) ) [eflumerf@ironvirt9 dev-recommendedspecs-260213]$

[eflumerf]

I also added "require_host_match" and "require_host_connectivity" tests for later inclusion in tests like "sample_ehn1_multihost_test.py"