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[Unit]
Description=LocalAI server
# "%C" Cache directory root: /var/cache (system) or "$XDG_CACHE_HOME" (user)
# "%E" Configuration directory root: /etc/ (system) or "$XDG_CONFIG_HOME" (user)
# "%S" State directory root: /var/lib (system) or $XDG_STATE_HOME (user)
# "%T" Directory for temporary files: /tmp or the path "$TMPDIR", "$TEMP" or "$TMP"
# "%N" Full unit name Same as "%n", but with the type suffix removed
[Service]
User=localai
Group=localai
Type=exec
WorkingDirectory=%S/%N
Restart=on-failure
# PrivateTmp=yes
# python_backends, default environment and local env
EnvironmentFile=-%E/%N/python_backends.conf
EnvironmentFile=%E/%N/%N.conf
EnvironmentFile=-%S/%N/.env
# start server
ExecStart==bash -c '\
python_backends=""; \
if test -n "$ARCH_LOCALAI_PYTHON_BACKENDS"; then \
python_backends=(${(f)"$(echo $ARCH_LOCALAI_PYTHON_BACKENDS)"}); \
for line in "${python_backends[@]}"; do \
entry="${line%% *}:%S/%N/backend-assets/grpc/python/${line%% *}/run.sh"; \
if test -z "python_backends"; then \
python_backends="--external-grpc-backends=$entry"; \
else \
python_backends="$python_backends,$entry"; \
fi; \
done; \
fi; \
/usr/bin/localai run \
--audio-path="%T/%N/audio" \
--backend-assets-path="%S/%N" \
--config-path="%S/%N" \
$python_backends \
--image-path="%T/%N/images" \
--localai-config-dir="%S/%N/config" \
--models-path="%S/%N/models" \
--upload-path="%T/%N/upload" \
'
# create virtualenvs for python backends, recreate if localai is newer than venv
ExecStartPost=bash -c 'sleep 3;\
if test -n "$ARCH_LOCALAI_PYTHON_BACKENDS"; then \
python_backends=(${(f)"$(echo $ARCH_LOCALAI_PYTHON_BACKENDS)"}); \
for line in "${python_backends[@]}"; do \
backend="${line%% *}"; dependencies=""; \
if test "$backend" != "$line"; then dependencies="${line#* }"; fi; \
bedir="%S/%N/backend-assets/grpc/python/$backend"; \
if test /usr/bin/localai -nt $bedir/venv; then rm -r $bedir/venv; fi; \
if test ! -d $bedir/venv; then \
echo "re/creating $bedir"; \
uv venv --system-site-packages $bedir/venv; \
if test -n "$dependencies"; then uv pip install $dependencies; fi \
fi; \
done; \
fi'
# make some time for virtualenvs to be installed
TimeoutStartSec=180
[Install]
WantedBy=default.target
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