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refactor: remove broken NUT/UPS plugin and managed-NUT startup

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The UPS plugin's default driver was snmp-ups, so NUT was just translating
network SNMP back into its own protocol — no value over polling the UPS
directly through the existing snmp plugin. The managed-NUT entrypoint path
also broke container startup when config was incomplete.

Deletes nut_setup.py, the NUT block from entrypoint.sh, NUT packages from
the Dockerfile, the ups entry from the plugin catalog example, and the
ups wiring in alerts METRIC_CATALOG, widgets, settings routes, and the
rules form. The plugins/ups source tree (untracked) is also removed from
the working copy. Existing ups_* DB tables are orphaned but harmless in
dev; a drop migration isn't needed.

Follow-up: rebuild "on battery → Ansible shutdown" automation on top of
the alerts system as a new action type that runs a playbook.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Bryan Van Deusen
2026-04-13 22:41:08 -04:00
parent 0596f1d9c1
commit d6e094bbb5
8 changed files with 6 additions and 263 deletions
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entrypoint.sh
+3 -47
View File
@@ -1,54 +1,10 @@
#!/bin/sh
# Roundtable container entrypoint.
#
# When NUT_MANAGED=1:
# - Generates /etc/nut/*.conf from environment variables
# - Starts NUT driver (upsdrvctl) and network daemon (upsd)
# - Connects to the UPS over the network — no USB passthrough required
# - Then drops to 'app' user via gosu to run roundtable
#
# When NUT_MANAGED=0 (default):
# - Drops directly to 'app' user and runs the command
#
# Required env vars when NUT_MANAGED=1:
# NUT_UPS_HOST IP or hostname of the UPS management card (required)
# NUT_DRIVER NUT driver — snmp-ups (default) or netxml-ups for Eaton
# NUT_UPS_NAME UPS name in NUT (default: ups) — must match UPS plugin setting
# NUT_SNMP_COMMUNITY SNMP community string (default: public) [snmp-ups only]
# NUT_SNMP_VERSION SNMP version: v1, v2c (default: v1) [snmp-ups only]
# NUT_USERNAME Optional upsd auth username
# NUT_PASSWORD Optional upsd auth password
# Drops from root to the 'app' user via gosu, then runs the command.
# The container starts as root only so /data permissions can be fixed up
# if needed before handing off to the unprivileged user.
set -e
NUT_MANAGED_JSON="/data/nut_managed.json"
if [ "${NUT_MANAGED:-0}" = "1" ] || [ -f "$NUT_MANAGED_JSON" ]; then
NUT_OK=1
if [ -f "$NUT_MANAGED_JSON" ]; then
echo "[entrypoint] Found $NUT_MANAGED_JSON — configuring NUT from settings..."
python3 /app/roundtable/nut_setup.py --from-file "$NUT_MANAGED_JSON" || {
echo "[entrypoint] Warning: NUT config failed — UPS host may not be set yet. Skipping NUT startup."
NUT_OK=0
}
else
echo "[entrypoint] NUT_MANAGED=1 — configuring NUT from environment..."
python3 /app/roundtable/nut_setup.py || {
echo "[entrypoint] Warning: NUT config failed — check NUT_UPS_HOST. Skipping NUT startup."
NUT_OK=0
}
fi
if [ "$NUT_OK" = "1" ]; then
echo "[entrypoint] Starting NUT driver..."
/sbin/upsdrvctl start || echo "[entrypoint] Warning: upsdrvctl returned non-zero"
echo "[entrypoint] Starting NUT daemon..."
/sbin/upsd || echo "[entrypoint] Warning: upsd returned non-zero"
sleep 1
echo "[entrypoint] NUT ready on 127.0.0.1:3493."
fi
fi
exec gosu app "$@"