feat: machine performance indicators

migrations/1626275844773-add-machine-network-performance.js

@@ -0,0 +1,26 @@
+const db = require('./db')
+
+exports.up = function (next) {
+  var sql = [
+    'drop table if exists machine_network_heartbeat',
+    'drop table if exists machine_network_performance',
+    `create table machine_network_performance (
+        device_id text PRIMARY KEY,
+        download_speed numeric NOT NULL,
+        created timestamptz NOT NULL default now()
+      )`,
+    `create table machine_network_heartbeat (
+        id uuid PRIMARY KEY,
+        device_id text not null,
+        average_response_time numeric NOT NULL,
+        average_packet_loss numeric NOT NULL,
+        created timestamptz NOT NULL default now()
+      )`
+  ]
+
+  db.multi(sql, next)
+}
+
+exports.down = function (next) {
+  next()
+}