initial build

gazpar2mqtt/rootfs/scripts/99-run.sh

@@ -0,0 +1,78 @@
+#!/usr/bin/env bashio
+
+# Where is the config
+CONFIGSOURCE=$(bashio::config "CONFIG_LOCATION")
+
+# Check if config file is there, or create one from template
+if [ -f $CONFIGSOURCE ]; then
+    echo "Using config file found in $CONFIGSOURCE"
+else
+    echo "No config file, creating one from template"
+    # Create folder
+    mkdir -p "$(dirname "${CONFIGSOURCE}")"
+    # Downloading template
+    TEMPLATESOURCE="https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/gazpar2mqtt/rootfs/templates/config.yaml"
+    curl -L -f -s $TEMPLATESOURCE --output $CONFIGSOURCE
+    # Placing template in config
+    #cp config.yaml "$(dirname "${CONFIGSOURCE}")"
+    # Need to restart
+    bashio::log.fatal "Config file not found, creating a new one. Please customize the file in $CONFIGSOURCE before restarting."
+    bashio::exit.nok
+fi
+
+# Check if yaml is valid
+yamllint -d relaxed --no-warnings $CONFIGSOURCE &>ERROR
+if [ $? = 0 ]; then
+    echo "Config file is a valid yaml"
+else
+    bashio::log.fatal "Config file has an invalid yaml format. Please check the file in $CONFIGSOURCE. Errors list :"
+    cat ERROR
+fi
+
+# Create symlink
+[ -f /data/config.yaml ] && rm /data/config.yaml
+ln -s $CONFIGSOURCE /data
+echo "Symlink created"
+
+# Export all yaml entries as env variables
+# Helper function
+function parse_yaml {
+    local prefix=$2 || local prefix=""
+    local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @ | tr @ '\034')
+    sed -ne "s|^\($s\):|\1|" \
+    -e "s| #.*$||g" \
+    -e "s|#.*$||g" \
+    -e "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);
+      }
+     }'
+}
+
+# Get variables and export
+bashio::log.info "Starting the app with the variables in /config/gazpar2mqtt"
+for word in $(parse_yaml "$CONFIGSOURCE" ""); do
+    # Data validation
+    if [[ $word =~ ^.+[=].+$ ]]; then
+        export $word # Export the variable
+        bashio::log.blue "$word"
+    else
+        bashio::log.fatal "$word does not follow the structure KEY=text, it will be ignored and removed from the config"
+        sed -i "/$word/ d" ${CONFIGSOURCE}
+    fi
+done
+
+##############
+# Launch App #
+##############
+echo " "
+bashio::log.info "Starting the app"
+echo " "
+
+python -u /app/gazpar2mqtt.py || bashio::log.fatal "The app has crashed. Are you sure you entered the correct config options?"