configure

#!/bin/bash

#
# Configure script
#


#
# Parse config.yml
#

parse_yaml() {
   local prefix=$2
   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
   awk -F$fs '{
      indent = length($1)/2;
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
         printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
      }
   }'
}

if [[ ! -d "src/config" ]]; then
  mkdir src/config 
fi

#
# Generate gunicorn.cnf
#

eval $(parse_yaml config.yml "config_")

echo "bind = $config_gunicorn_bind" > src/config/gunicorn-cfg.py
echo "workers = $config_gunicorn_workers" >> src/config/gunicorn-cfg.py
echo "accesslog = $config_gunicorn_accesslog" >> src/config/gunicorn-cfg.py
echo "loglevel = $config_gunicorn_loglevel" >> src/config/gunicorn-cfg.py
echo "capture_output = $config_gunicorn_capture_output" >> src/config/gunicorn-cfg.py
echo "enable_stdio_inheritance = $config_gunicorn_enable_stdio_inheritance" >> src/config/gunicorn-cfg.py

#
# Generate api.keys
#

printf "{\n  $config_api_example_key : \"example_key\"\n}" > src/api.keys

#
# Generate config.ini
#

cp .config/config.ini src/config/config.ini
sed -i "s/secret_key = /secret_key = ${config_app_secret_key}/" src/config/config.ini


#
# Generate traefik config
#

sed -i -e "s/- \"--certificatesresolvers.myresolver.acme.email=.*\"/- \"--certificatesresolvers.myresolver.acme.email=${config_traefik_letsencrypt_email}\"/" docker-compose-traefik.yml