Allow 'url-like' connection string

lib/mysqldb.js

@@ -63,20 +63,32 @@ class MysqlDb {
 
 
     /**
-     * Return connection parameters used to connect to MySQL (obtained from the
-     * DB_MYSQL_CONNECTION environment variable which should be a connection string in the format
-     * "host=my.host.com; user=my-un; password=my-pw; database=my-db").
+     * Return connection parameters used to connect to MySQL. Parameters are obtained from the
+     * DB_MYSQL_CONNECTION environment variable which should be a connection string either in the
+     * 'URI-Like' format
+     *   mysql://my-un:my-pw@my.host.com/my-db
+     * or the 'Key-Value Pairs' format
+     *   host=my.host.com; user=my-un; password=my-pw; database=my-db
+     * (dev.mysql.com/doc/refman/8.0/en/connecting-using-uri-or-key-value-pairs.html).
      *
      * @returns Object with host, user, password, database properties.
      */
     static connectionParams() {
         const connectionString = process.env.DB_MYSQL_CONNECTION;
         if (!connectionString) throw new Error('No DB_MYSQL_CONNECTION available');
 
-        const dbConfigKeyVal = connectionString.split(';').map(v => v.trim().split('='));
-        const dbConfig = dbConfigKeyVal.reduce((config, v) => { config[v[0].toLowerCase()] = v[1]; return config; }, {});
+        const urlLikeConnectionString = connectionString.match(/mysql:\/\/(.+):(.+)@(.+)\/(.+)/);
+
+        if (urlLikeConnectionString) {
+            const [ , user, password, host, database ] = urlLikeConnectionString;
+            const dbConfig = { user, password, host, database };
+            return dbConfig;
+        } else {
+            const dbConfigKeyVal = connectionString.split(';').map(v => v.trim().split('='));
+            const dbConfig = dbConfigKeyVal.reduce((config, v) => { config[v[0].toLowerCase()] = v[1]; return config; }, {});
+            return dbConfig;
+        }
 
-        return dbConfig;
     }