llama-stack/llama_stack/distribution/start_venv.sh
Charlie Doern 025f615868
feat: add support for running in a venv (#1018)
# What does this PR do?

add --image-type to `llama stack run`. Which takes conda, container or
venv also add start_venv.sh which start the stack using a venv

resolves #1007

## Test Plan

running locally:

`llama stack build --template ollama --image-type venv`
`llama stack run --image-type venv
~/.llama/distributions/ollama/ollama-run.yaml`
...
```
llama stack run --image-type venv ~/.llama/distributions/ollama/ollama-run.yaml
Using run configuration: /Users/charliedoern/.llama/distributions/ollama/ollama-run.yaml
+ python -m llama_stack.distribution.server.server --yaml-config /Users/charliedoern/.llama/distributions/ollama/ollama-run.yaml --port 8321
Using config file: /Users/charliedoern/.llama/distributions/ollama/ollama-run.yaml
Run configuration:
apis:
- agents
- datasetio
...
```

Signed-off-by: Charlie Doern <cdoern@redhat.com>
2025-02-12 11:13:04 -05:00

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#!/bin/bash
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
set -euo pipefail
RED='\033[0;31m'
NC='\033[0m' # No Color
error_handler() {
echo "Error occurred in script at line: ${1}" >&2
exit 1
}
trap 'error_handler ${LINENO}' ERR
if [ $# -lt 3 ]; then
echo "Usage: $0 <venv_path> <yaml_config> <port> <script_args...>"
exit 1
fi
venv_path="$1"
shift
yaml_config="$1"
shift
port="$1"
shift
# Initialize env_vars as an empty array
env_vars=""
other_args=""
# Process environment variables from --env arguments
while [[ $# -gt 0 ]]; do
case "$1" in
--env)
if [[ -n "$2" ]]; then
env_vars="$env_vars --env $2"
shift 2
else
echo -e "${RED}Error: --env requires a KEY=VALUE argument${NC}" >&2
exit 1
fi
;;
*)
other_args="$other_args $1"
shift
;;
esac
done
# Activate virtual environment
if [ ! -d "$venv_path" ]; then
echo -e "${RED}Error: Virtual environment not found at $venv_path${NC}" >&2
exit 1
fi
source "$venv_path/bin/activate"
set -x
python -m llama_stack.distribution.server.server \
--yaml-config "$yaml_config" \
--port "$port" \
$env_vars \
$other_args