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feat(blender-run): --cpu runs with no GPU attached (modelling/IO jobs stay off GPU 3)

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vh
2026-09-28 14:23:12 -07:00
parent 5e6a6f3b26
commit a51188c76a
2 changed files with 16 additions and 4 deletions
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scripts/blender-run
+11 -4
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@@ -2,7 +2,7 @@
# blender-run — one-shot HEADLESS Blender on fv-ml1 GPU 3, for scripted/CLI callers (draupnir etc.).
# The agent-driven, interactive path is scripts/blender-mcp; this is the batch path.
#
# scripts/blender-run [--job DIR] [--extensions] -- <blender args after -b>
# scripts/blender-run [--job DIR] [--extensions] [--cpu] -- <blender args after -b>
# scripts/blender-run --job /mnt/smithy/draupnir/j42 -- --python render.py -- --out out.png
# scripts/blender-run --extensions -- --python-expr 'import bpy; print(bpy.app.version_string)'
#
@@ -30,6 +30,12 @@
# per distinct DIR (small files, on /tank). Without --job, the only paths Blender sees are under
# /work (= fv-ml1:/tank/blender).
#
# --cpu: no GPU attached at all (no nvidia runtime), so the run never touches GPU 3. For modelling,
# add-on work, import/export and Cycles on CPU (the 2026-09-28 extension acceptance ran this way).
# EEVEE and Workbench render through EGL on the GPU and are expected to fail here (untested). It is
# also the shape of the fallback if GPU 3 goes back to vLLM. Asked for by draupnir, whose design
# stage never renders (2026-09-28).
#
# The container's hostname is fixed as fv-ml1-blender, so socket.gethostname() is stable across
# runs (callers record it as provenance; draupnir, 2026-09-28). Without it, it is the container id.
#
@@ -42,6 +48,7 @@ HOST=${BLENDER_SSH_HOST:-infra-ops@10.251.50.54}
ENV_FILE=/opt/docker/compose/blender/.env
JOB=""
EXT=""
GPU="--runtime nvidia -e NVIDIA_VISIBLE_DEVICES=3 -e NVIDIA_DRIVER_CAPABILITIES=all"
while [ $# -gt 0 ]; do
case "$1" in
--job) JOB=${2:?--job needs a directory}; shift 2 ;;
@@ -51,8 +58,9 @@ while [ $# -gt 0 ]; do
EXT="--mount type=bind,src=/tank/blender-extensions/5.2/system,dst=/blender/5.2/extensions/system,readonly \
--mount type=bind,src=/opt/docker/conf/blender/scripts/startup/fleet_extensions.py,dst=/fleet/fleet_extensions.py,readonly"
shift ;;
--cpu) GPU=""; shift ;;
--) shift; break ;;
-h|--help) sed -n 2,38p "$0"; exit 0 ;;
-h|--help) sed -n 2,43p "$0"; exit 0 ;;
*) echo "blender-run: unknown option $1 (blender args go after --)" >&2; exit 2 ;;
esac
done
@@ -79,8 +87,7 @@ PRE=""
[ -n "$EXT" ] && PRE="--python /fleet/fleet_extensions.py"
set +e
ssh -n -o BatchMode=yes "$HOST" "IMG=\$(grep '^IMAGE=' $ENV_FILE | cut -d= -f2) && \
exec docker run --rm --name blender-run-\$\$ --hostname fv-ml1-blender --runtime nvidia \
-e NVIDIA_VISIBLE_DEVICES=3 -e NVIDIA_DRIVER_CAPABILITIES=all \
exec docker run --rm --name blender-run-\$\$ --hostname fv-ml1-blender $GPU \
--user 1002:1003 -e HOME=/tmp -e USER=infra-ops -e LOGNAME=infra-ops --memory 64g --cpus 48 \
-v /tank/blender:/work $EXT -w $WORKDIR --entrypoint /blender/blender \"\$IMG\" \
-b --factory-startup --python-exit-code 1 $PRE $ARGS"