Provide machine name on logs snapshots batch

lib/logs.js

@@ -58,19 +58,22 @@ function update (deviceId, logLines) {
 
 /**
  * Get all logs by machine id
+ * and timestamp
  *
  * @name list
  * @function
  *
  * @param {string} deviceId Machine id to fetch the logs for
+ * @param {date} until Show the logs until the date provided, defaults to now
  *
  * @returns {array} Array of logs for the requested machinej
  */
-function getMachineLogs (deviceId) {
+function getMachineLogs (deviceId, until = new Date().toISOString()) {
   const sql = `select id, log_level, timestamp, message from logs
   where device_id=$1
-  order by timestamp desc limit $2`
-  return Promise.all([db.any(sql, [ deviceId, NUM_RESULTS ]), getMachineName(deviceId)])
+  and timestamp <= $3
+  order by timestamp asc limit $2`
+  return Promise.all([db.any(sql, [ deviceId, NUM_RESULTS, until ]), getMachineName(deviceId)])
   .then(([logs, machineName]) => ({
     logs: _.map(_.mapKeys(_.camelCase), logs),
     currentMachine: {deviceId, name: machineName}