105 lines
3.9 KiB
Bash
Executable File
105 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
function error_handler() {
|
|
>&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
|
|
exit "$2"
|
|
}
|
|
trap 'error_handler ${LINENO} $?' ERR
|
|
set -o errtrace -o errexit -o nounset -o pipefail
|
|
|
|
# run migrations
|
|
export FLASK_APP=/app/src/spiffworkflow_backend
|
|
|
|
if [[ "${SPIFFWORKFLOW_BACKEND_WAIT_FOR_DB_TO_BE_READY:-}" == "true" ]]; then
|
|
echo 'Waiting for db to be ready...'
|
|
poetry run python ./bin/wait_for_db_to_be_ready.py
|
|
fi
|
|
|
|
if [[ "${SPIFFWORKFLOW_BACKEND_DOWNGRADE_DB:-}" == "true" ]]; then
|
|
echo 'Downgrading database...'
|
|
poetry run flask db downgrade
|
|
fi
|
|
|
|
if [[ "${SPIFFWORKFLOW_BACKEND_UPGRADE_DB:-}" == "true" ]]; then
|
|
echo 'Upgrading database...'
|
|
poetry run flask db upgrade
|
|
fi
|
|
|
|
if [[ -z "${GUNICORN_LOG_LEVEL:-}" ]]; then
|
|
GUNICORN_LOG_LEVEL=debug
|
|
fi
|
|
|
|
if [[ -z "${GUNICORN_TIMEOUT_SECONDS:-}" ]]; then
|
|
GUNICORN_TIMEOUT_SECONDS=90
|
|
fi
|
|
|
|
port="${SPIFFWORKFLOW_BACKEND_PORT:-}"
|
|
if [[ -z "$port" ]]; then
|
|
port=7000
|
|
fi
|
|
|
|
additional_args=""
|
|
|
|
app_root="${SPIFFWORKFLOW_BACKEND_APPLICATION_ROOT:-}"
|
|
if [[ -n "$app_root" ]] && [[ "${app_root}" != "/" ]]; then
|
|
additional_args="${additional_args} -e SCRIPT_NAME=${app_root}"
|
|
fi
|
|
|
|
# HACK: if loading fixtures for acceptance tests when we do not need multiple workers
|
|
# it causes issues with attempting to add duplicate data to the db
|
|
worker_count=4
|
|
if [[ "${SPIFFWORKFLOW_BACKEND_LOAD_FIXTURE_DATA:-}" == "true" ]]; then
|
|
worker_count=1
|
|
fi
|
|
|
|
if [[ "${SPIFFWORKFLOW_BACKEND_RUN_DATA_SETUP:-}" != "false" ]]; then
|
|
SPIFFWORKFLOW_BACKEND_FAIL_ON_INVALID_PROCESS_MODELS=false poetry run python bin/save_all_bpmn.py
|
|
fi
|
|
|
|
if [[ -n "${SPIFFWORKFLOW_BACKEND_GIT_SSH_PRIVATE_KEY:-}" ]]; then
|
|
if [[ -z "${SPIFFWORKFLOW_BACKEND_GIT_SSH_PRIVATE_KEY_PATH:-}" ]]; then
|
|
export SPIFFWORKFLOW_BACKEND_GIT_SSH_PRIVATE_KEY_PATH=$(mktemp /tmp/ssh_private_key.XXXXXX)
|
|
fi
|
|
chmod 600 "${SPIFFWORKFLOW_BACKEND_GIT_SSH_PRIVATE_KEY_PATH}"
|
|
echo "${SPIFFWORKFLOW_BACKEND_GIT_SSH_PRIVATE_KEY}" >"${SPIFFWORKFLOW_BACKEND_GIT_SSH_PRIVATE_KEY_PATH}"
|
|
fi
|
|
|
|
# Assure that the the Process Models Directory is initialized as a git repo
|
|
git init "${SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR}"
|
|
git config --global --add safe.directory "${SPIFFWORKFLOW_BACKEND_BPMN_SPEC_ABSOLUTE_DIR}"
|
|
|
|
if [[ -z "${SPIFFWORKFLOW_BACKEND_THREADS_PER_WORKER:-}" ]]; then
|
|
# default to 3 * 2 = 6 threads per worker
|
|
# you may want to configure threads_to_use_per_core based on whether your workload is more cpu intensive or more I/O intensive:
|
|
# cpu heavy, make it smaller
|
|
# I/O heavy, make it larger
|
|
threads_to_use_per_core=3
|
|
|
|
# https://stackoverflow.com/a/55423170/6090676
|
|
# if we had access to python (i'm not sure i want to run another python script here),
|
|
# we could do something like this (on linux) to get the number of cores available to this process and a better estimate of a
|
|
# reasonable num_cores_multiple_for_threads
|
|
# if hasattr(os, 'sched_getaffinity')
|
|
# number_of_available_cores = os.sched_getaffinity(0)
|
|
# BUT the python solution isn't even as portable as this one, which is mostly posix compliant and works on linux/mac/freebsd.
|
|
num_cores_multiple_for_threads=$(getconf _NPROCESSORS_ONLN 2>/dev/null || getconf NPROCESSORS_ONLN 2>/dev/null || echo 1)
|
|
|
|
SPIFFWORKFLOW_BACKEND_THREADS_PER_WORKER=$((threads_to_use_per_core * num_cores_multiple_for_threads))
|
|
export SPIFFWORKFLOW_BACKEND_THREADS_PER_WORKER
|
|
fi
|
|
|
|
# --worker-class is not strictly necessary, since setting threads will automatically set the worker class to gthread, but meh
|
|
export IS_GUNICORN="true"
|
|
# THIS MUST BE THE LAST COMMAND!
|
|
exec poetry run gunicorn ${additional_args} \
|
|
--bind "0.0.0.0:$port" \
|
|
--preload \
|
|
--worker-class "gthread" \
|
|
--workers="$worker_count" \
|
|
--threads "$SPIFFWORKFLOW_BACKEND_THREADS_PER_WORKER" \
|
|
--limit-request-line 8192 \
|
|
--timeout "$GUNICORN_TIMEOUT_SECONDS" \
|
|
--capture-output \
|
|
--access-logfile '-' \
|
|
--log-level "$GUNICORN_LOG_LEVEL" wsgi:app
|