A configuration management service with support for secrets.
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#!/bin/bash
#
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -ex
# Define port
PORT=${PORT:-9000}
# How long uWSGI should wait for each deckhand response
DECKHAND_API_TIMEOUT=${DECKHAND_API_TIMEOUT:-"600"}
# NOTE(fmontei): Deckhand's database is not configured to work with
# multiprocessing. Currently there is a data race on acquiring shared
# SQLAlchemy engine pooled connection strings when workers > 1. As a
# workaround, we use multiple threads but only 1 worker. For more
# information, see: https://github.com/att-comdev/deckhand/issues/20
# Number of uWSGI workers to handle API requests
DECKHAND_API_WORKERS=${DECKHAND_API_WORKERS:-"1"}
# Threads per worker
DECKHAND_API_THREADS=${DECKHAND_API_THREADS:-"16"}
# The Deckhand configuration directory containing deckhand.conf
DECKHAND_CONFIG_DIR=${DECKHAND_CONFIG_DIR:-"/etc/deckhand"}
echo "Command: $1 with arguments $@"
# Start deckhand application
if [ "$1" = 'server' ]; then
exec uwsgi \
-b 32768 \
--callable deckhand_callable \
--die-on-term \
--enable-threads \
--http :${PORT} \
--http-timeout ${DECKHAND_API_TIMEOUT} \
-L \
--lazy-apps \
--master \
--pyargv "--config-file ${DECKHAND_CONFIG_DIR}/deckhand.conf" \
--threads ${DECKHAND_API_THREADS} \
--workers ${DECKHAND_API_WORKERS} \
--strict \
--vacuum \
--need-app \
-w deckhand.cmd
elif [ "$1" = 'alembic' ]; then
exec alembic ${@:2}
else
echo "Valid commands are 'alembic <command>' and 'server'"
fi