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Enhance gunicorn options in NEST Server #3380

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Enhance gunicorn options in NEST Server #3380

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e9d4f1d
Fix nest-server status because of pre-commit
babsey Dec 10, 2024
a5162a3
Fix nest-server status because of pre-commit
babsey Dec 10, 2024
50495ca
Fix nest-server status because of pre-commit
babsey Dec 10, 2024
c2b356f
Fix gunicorn opts
babsey Dec 10, 2024
4932336
Fix gunicorn opts
babsey Dec 10, 2024
251b0f5
Fix gunicorn opts
babsey Dec 10, 2024
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33 changes: 19 additions & 14 deletions bin/nest-server
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,13 @@ HOST="${NEST_SERVER_HOST:-127.0.0.1}"
LOGFILE="${NEST_SERVER_LOGFILE:-/tmp/nest-server.log}"
PORT="${NEST_SERVER_PORT:-52425}"
STDOUT="${NEST_SERVER_STDOUT:-0}"
TIMEOUT="${NEST_SERVER_TIMEOUT:-30}"
WORKERS="${NEST_SERVER_WORKERS:-1}"

usage() {
echo "NEST Server"
echo "-----------"
echo "Usage: nest-server log|status|start|stop|restart [-d] [-h <HOST>] [-o] [-p <PORT>]"
echo "Usage: nest-server log|status|start|stop|restart [-d] [-h <HOST>] [-o] [-p <PORT>] [-t <TIMEOUT>] [-w <WORKERS>]"
echo ""
echo "Commands:"
echo " log display the server output log"
Expand All @@ -23,6 +25,8 @@ usage() {
echo " -h <HOST> use hostname/IP address <HOST> for the server [default: 127.0.0.1]"
echo " -o print NEST outputs to the console"
echo " -p <PORT> use port <PORT> for opening the socket [default: 52425]"
echo " -t <TIMEOUT> workers silent for more than this many seconds are killed and restarted [default: 30]"
echo " -w <WORKERS> the number of worker processes for handling requests [default: 1]"
}

log() {
Expand All @@ -38,13 +42,11 @@ pid() {
set-gunicorn_opts() {
# Set opts for gunicorn.
GUNICORN_OPTS="--bind ${HOST}:${PORT}"
if [ "${DAEMON}" -eq 1 ]; then
GUNICORN_OPTS="${GUNICORN_OPTS} --daemon"
fi
if [ "${STDOUT}" -eq 0 ]; then
GUNICORN_OPTS="${GUNICORN_OPTS} --capture-output"
fi
GUNICORN_OPTS="${GUNICORN_OPTS} --log-file ${LOGFILE}"
[[ "${DAEMON}" -eq 1 ]] && GUNICORN_OPTS="${GUNICORN_OPTS} --daemon"
[[ "${STDOUT}" -eq 0 ]] && GUNICORN_OPTS="${GUNICORN_OPTS} --capture-output"
[[ "${TIMEOUT}" -ne 30 ]] && GUNICORN_OPTS="${GUNICORN_OPTS} --timeout ${TIMEOUT}"
[[ "${WORKERS}" -gt 1 ]] && GUNICORN_OPTS="${GUNICORN_OPTS} --workers ${WORKERS}"
}

start() {
Expand All @@ -55,21 +57,21 @@ start() {
echo "NEST Server is now running at http://${HOST}:${PORT}."
if [ "${DAEMON}" -eq 0 ]; then
echo "Use CTRL + C to stop this service."
if [ "${STDOUT}" -eq 1 ]; then
echo "-----------------------------------------------------"
fi
[[ "${STDOUT}" -eq 1 ]] && echo "-----------------------------------------------------"
fi

set-gunicorn_opts
# shellcheck disable=SC2086
exec gunicorn nest.server:app ${GUNICORN_OPTS}
fi
}

status() {
# List all processes of NEST Server.
PS_AUX="$(ps aux | grep "[g]unicorn nest.server.app")"
printf "USER\t\t\tPID\t\tHTTP-SOCKET\n"
echo "${PS_AUX}" | head -n 1 | awk '{ for(i=1;i<=NF;i++) {if ( i == 1 || i == 2 || i == 15 ) printf $i"\t\t"}; printf "\n" }'
PS_AUX="$(pgrep -af "gunicorn nest.server.app")"
printf "PID\t\tHTTP-SOCKET\t\tLOGFILE\n"
echo "${PS_AUX}" | head -n 1 | awk \
'{ for(i=1;i<=NF;i++) {if ( i == 1 || i == 6 || i == 8 ) printf $i"\t\t"}; printf "\n" }'
}

stop() {
Expand All @@ -84,12 +86,15 @@ stop() {
}

CMD=$1; shift
while getopts "dh:op:" opt; do
while getopts "dh:op:t:w:" opt; do
case $opt in
d) DAEMON=1 ;;
h) HOST=$OPTARG ;;
o) STDOUT=1 ;;
p) PORT=$OPTARG ;;
t) TIMEOUT=$OPTARG ;;
w) WORKERS=$OPTARG ;;
*) echo "Invalid option"
esac
done

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