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docker-entrypoint.sh
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docker-entrypoint.sh
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#!/bin/bash
command_args=""
# ======= Helper Functions =======
get_boolean_str() {
if [ "$1" = "true" ]; then
echo "true"
else
echo "false"
fi
}
is_in_cmd_with_value() {
CMD_ARG=$1
for arg in "${@:1}"
do
if [[ "$arg" == "$CMD_ARG"* ]] && [ -n "${arg#*=}" ]; then
echo "true"
return
fi
done
echo "false"
}
set_value() {
VAR_NAME=$1
CMD_ARG=$2
DEFAULT_VALUE=$3
# if command line argument is preset, use it
if [ "$(is_in_cmd_with_value "$CMD_ARG" ${@:3})" = "true" ]; then
command_args+=" $CMD_ARG$(get_cmd_value "$CMD_ARG" ${@:3})"
return
fi
# if environment variable is preset, use it
if [ -n "${!VAR_NAME}" ]; then
command_args+=" $CMD_ARG${!VAR_NAME}"
return
fi
# if default value is not '@@NULL@@', use it
if [ "$DEFAULT_VALUE" != "@@NULL@@" ]; then
command_args+=" $CMD_ARG$DEFAULT_VALUE"
fi
}
is_in_cmd() {
CMD_ARG=$1
for arg in "${@:2}"
do
if [[ "$arg" == "$CMD_ARG" ]]; then
echo "true"
return
fi
done
echo "false"
}
set_switch() {
VAR_NAME=$1
CMD_ARG=$2
DEFAULT_VALUE=$3
# if command line argument is preset, use it
if [ "$(is_in_cmd "$CMD_ARG" ${@:3})" = "true" ]; then
command_args+=" $CMD_ARG"
return
fi
# if environment variable is preset, use it
if [ -n "${!VAR_NAME}" ]; then
if [ "${!VAR_NAME}" = "true" ]; then
command_args+=" $CMD_ARG"
fi
return
fi
# use default value
if [ "$DEFAULT_VALUE" = "true" ]; then
command_args+=" $CMD_ARG"
fi
}
get_cmd_value() {
CMD_ARG=$1
for arg in "${@:2}"
do
if [[ "$arg" == "$CMD_ARG"* ]]; then
echo "${arg#*=}"
return
fi
done
echo ""
}
get_mongodb_configuration() {
CMD=$@
CONNECTION_STRING="mongodb://"
if [ "$(is_in_cmd_with_value "--db_connection_string=" $CMD)" = "true" ]; then
CONNECTION_STRING=$(get_cmd_value "--db_connection_string=" $CMD)
else
if [ "$(is_in_cmd_with_value "--db_user=" $CMD)" = "true" ]; then
CONNECTION_STRING+="$(get_cmd_value "--db_user=" $CMD):************@"
fi
CONNECTION_STRING+="$(get_cmd_value "--db_host=" $CMD):$(get_cmd_value "--db_port=" $CMD)/$(get_cmd_value "--collection_name=" $CMD)"
if [ "$(is_in_cmd_with_value "--db_options=" $CMD)" = "true" ]; then
CONNECTION_STRING+="?$(get_cmd_value "--db_options=" $CMD)"
fi
fi
echo $CONNECTION_STRING
}
# ================================
# ======= Environment Variables =======
declare -A valueMap=(
[PORT]="value,--port=,2333"
[DEMO]="switch,--demo,false"
[ALLOWED_ORIGINS]="value,--allowed_origins=,localhost"
[CONFIG_PATH]="value,--config_path=,@@NULL@@"
# DB
[DB_COLLECTION_NAME]="value,--collection_name=,mx-space"
[DB_HOST]="value,--db_host=,127.0.0.1"
[DB_PORT]="value,--db_port=,27017"
[DB_USER]="value,--db_user=,@@NULL@@"
[DB_PASSWORD]="value,--db_password=,@@NULL@@"
[DB_OPTIONS]="value,--db_options=,@@NULL@@"
[DB_CONNECTION_STRING]="value,--db_connection_string=,@@NULL@@"
# Redis
[REDIS_HOST]="value,--redis_host=,127.0.0.1"
[REDIS_PORT]="value,--redis_port=,6379"
[REDIS_PASSWORD]="value,--redis_password=,@@NULL@@"
[DISABLE_CACHE]="switch,--disable_cache,false"
# JWT
[JWT_SECRET]="value,--jwt_secret=,@@NULL@@"
[JWT_EXPIRE]="value,--jwt_expire=,@@NULL@@"
# Cluster
[CLUSTER]="switch,--cluster,false"
[CLUSTER_WORKERS]="value,--cluster_workers=,@@NULL@@"
# Debug
[DEBUG]="switch,--http_request_verbose,false"
[DEBUG_MEMORY_DUMP]="switch,--debug_memory_dump,false"
# Cache
[CACHE_TTL]="value,--http_cache_ttl=,@@NULL@@"
[CACHE_CDN_HEADER]="switch,--http_cache_enable_cdn_header=,false"
[CACHE_FORCE_HEADER]="switch,--http_cache_enable_force_cache_header,false"
# Security
[ENCRYPT_ENABLE]="switch,--encrypt_enable,false"
[ENCRYPT_KEY]="value,--encrypt_key=,@@NULL@@"
[ENCRYPT_ALGORITHM]="value,--encrypt_algorithm=,@@NULL@@"
# Throttle
[THROTTLE_TTL]="value,--throttle_ttl=,@@NULL@@"
[THROTTLE_LIMIT]="value,--throttle_limit=,@@NULL@@"
# Color
[COLOR]="switch,--color,true"
)
for key in "${!valueMap[@]}"; do
IFS=',' read -ra tuple <<< "${valueMap[$key]}"
TYPE=${tuple[0]}
CMD_ARG=${tuple[1]}
DEFAULT=${tuple[2]}
if [ "$TYPE" = "value" ]; then
set_value $key $CMD_ARG $DEFAULT $@
elif [ "$TYPE" = "switch" ]; then
set_switch $key $CMD_ARG $DEFAULT $@
fi
done
# ====================================
echo "Starting Mix Space"
echo "============== Configurations =============="
echo "Listen Port: $(get_cmd_value "--port=" $command_args)"
echo "MongoDB: $(get_mongodb_configuration $command_args)"
echo "Redis: $(get_cmd_value "--redis_host=" $command_args):$(get_cmd_value "--redis_port=" $command_args)"
echo "Allowed Origins: $(get_cmd_value "--allowed_origins=" $command_args)"
echo "Config Path: $(if [ -z "$(get_cmd_value "--config_path=" $command_args)" ]; then echo "NULL"; else echo "$(get_cmd_value "--config_path=" $command_args)"; fi)"
echo "Encryption: $(get_boolean_str $(is_in_cmd "--encrypt_enable" $command_args))"
echo "Cluster: $(get_boolean_str $(is_in_cmd "--cluster" $command_args))"
echo "============================================"
command="node index.js $command_args"
exec $command