Create etherpad database

src/freedombone-app-etherpad

@@ -52,6 +52,35 @@ etherpad_variables=(ETHERPAD_COMMIT
                     DDNS_PROVIDER
                     MY_USERNAME)
 
+function get_mariadb_etherpad_admin_password {
+    if [ -f /home/$MY_USERNAME/README ]; then
+        if grep -q "MariaDB etherpad admin password" /home/$MY_USERNAME/README; then
+            ETHERPAD_ADMIN_PASSWORD=$(cat /home/$MY_USERNAME/README | grep "MariaDB etherpad admin password" | awk -F ':' '{print $2}' | sed 's/^ *//')
+        fi
+        if grep -q "etherpad administrator password" /home/$MY_USERNAME/README; then
+            ETHERPAD_ADMIN_PASSWORD=$(cat /home/$MY_USERNAME/README | grep "etherpad administrator password" | awk -F ':' '{print $2}' | sed 's/^ *//')
+        fi
+    fi
+}
+
+function etherpad_create_database {
+    function_check get_mariadb_etherpad_admin_password
+    get_mariadb_etherpad_admin_password
+    if [ ! $ETHERPAD_ADMIN_PASSWORD ]; then
+        if [ -f $IMAGE_PASSWORD_FILE ]; then
+            ETHERPAD_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
+        else
+            ETHERPAD_ADMIN_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
+        fi
+    fi
+    if [ ! $ETHERPAD_ADMIN_PASSWORD ]; then
+        return
+    fi
+
+    function_check create_database
+    create_database etherpad "$ETHERPAD_ADMIN_PASSWORD" $MY_USERNAME
+}
+
 function create_etherpad_settings {
     echo '{' > /var/www/$ETHERPAD_DOMAIN_NAME/htdocs/settings.json
     echo "  \"title\": \"${ETHERPAD_TITLE}\"," >> /var/www/$ETHERPAD_DOMAIN_NAME/htdocs/settings.json