entrypoint.sh

#!/bin/bash
# Copyright (c) 2021 aasaam software development group

set -e

ADDON_OUTPUT=/usr/local/openresty/addon-generated/sites-enabled
NGINX_DOT_CONF_PATH=/usr/local/openresty/nginx/conf/nginx.conf
GOMPLATE_PATH=/usr/local/openresty/nginx/addon/gomplates/sites-enabled

# ensure gomplates sites-enabled created
mkdir -p /usr/local/openresty/nginx/addon/gomplates/sites-enabled

NGINX_DOT_CONF_GOMPLATE=/usr/local/openresty/nginx/addon/gomplates/nginx.tmpl
GOMPLATE_TEMPLATES=$(find $GOMPLATE_PATH -type f -name "*.tmpl")
GOMPLATE_CONFIGS=$(find $GOMPLATE_PATH -type f -name "*.toml")

SSL_PROFILE="intermediate"
if [[ ! -z "$ASM_SSL_PROFILE" ]]; then
  SSL_PROFILE=$ASM_SSL_PROFILE
fi
echo "SSL profile '$SSL_PROFILE' will used for tls layer"
cp /usr/local/openresty/nginx/defaults/server_http2_$SSL_PROFILE.conf /usr/local/openresty/nginx/defaults/server_http2_default.conf

if [ -f "$NGINX_DOT_CONF_GOMPLATE" ]; then
  echo "Using gomplate for $NGINX_DOT_CONF_GOMPLATE"
  gomplate -f $NGINX_DOT_CONF_GOMPLATE > $NGINX_DOT_CONF_PATH
else
  echo "Template $NGINX_DOT_CONF_GOMPLATE not found"
  exit 2
fi

if [[ ! -z "$GOMPLATE_TEMPLATES" ]]; then
  for T_PATH in $GOMPLATE_TEMPLATES; do
    T_CONFIG=${T_PATH/.tmpl/.toml}
    if [ -f "$T_CONFIG" ]; then
      T_NAME=$(basename -- $T_PATH)
      T_NGINX_OUT=${T_NAME/tmpl/conf}
      T_OUT=$ADDON_OUTPUT/$T_NGINX_OUT
      echo "# Generated on $(date)" > $T_OUT
      echo "# Template      : $T_PATH" >> $T_OUT
      echo "# Configuration : $T_CONFIG" >> $T_OUT
      gomplate -c config=$T_CONFIG -f $T_PATH >> $T_OUT
    else
      echo "Config file for $T_PATH on $T_CONFIG not exists."
      exit 2
    fi
  done
fi

exec "$@"