gini-doctor
Answers one question: is this machine able to run GINI, and if a machine next to it can, what is different?
pipx install gini-doctor # or: pip install --user gini-doctor
gini-doctor # a menu of probe groups
It probes the container engine and which compose provider actually answers, the rootless
prerequisites that fail late (subuid mapping, XDG_RUNTIME_DIR, lingering, cgroup delegation,
and whether podman's storage still matches /etc/subuid), registries and stored credentials, the
interpreter that really runs gBuilder and the X libraries Qt needs, the GINI images, a live
container round trip, and — for the Machine Lab feeling sluggish — CPU governor, thermal
throttling and a direct measurement of how steady the lab's live feed is.
The part that matters with more than one machine
A single report says less than a comparison. --fanout collects them over ssh and prints only the
fields on which the machines disagree:
printf '%s\n' lab-01 lab-02 lab-03 > hosts.txt
gini-doctor --fanout hosts.txt reports/
gini-doctor --compare reports/*.txt
Nothing has to be installed on those hosts: --fanout pipes the script itself over ssh.
Run it as the user who runs gBuilder, not as root — subuid mappings, XDG_RUNTIME_DIR and
lingering are per-user, and a root report describes a machine nobody uses.
No dependencies, deliberately
The machine that needs a doctor is one where something is already wrong, so anything this had to
install first is a way for it to be unavailable exactly when it is wanted. It does not depend on
gini-core, and emphatically not on gini-toolkit, which carries PySide6 — checking thirty lab
machines should not mean installing Qt on them.
The engine is a POSIX shell script (sh, dash and busybox ash all run it) shipped inside the
wheel; the gini-doctor command hands it to sh. So the same file runs from a pipx install, from
a git checkout, or piped over ssh onto a machine with nothing installed at all — including
straight off the repository:
curl -fsSL https://raw.githubusercontent.com/citelab/gini/master/doctor/src/gini_doctor/gini-doctor.sh | sh
Where the rest is written up
What a differing field means and what to do about it: docs/LAB_DIAGNOSIS.md.
1 maintainer
Metadata
1 maintainer
Release files for gini-doctor 6.22.1
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