first commit

api/database/migrations/1770000000001_create_metrics_table.ts

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+import { BaseSchema } from '@adonisjs/lucid/schema'
+
+/**
+ * One row per minute with the averaged host metrics.
+ */
+export default class extends BaseSchema {
+  protected tableName = 'metrics'
+
+  async up() {
+    this.schema.createTable(this.tableName, (table) => {
+      table.increments('id')
+      table.integer('ts').notNullable().index()
+      table.float('cpu').notNullable()
+      table.float('load1').nullable()
+      table.bigInteger('mem_used').notNullable()
+      table.bigInteger('mem_total').notNullable()
+      table.bigInteger('disk_used').notNullable()
+      table.bigInteger('disk_total').notNullable()
+      table.float('net_rx').nullable()
+      table.float('net_tx').nullable()
+    })
+  }
+
+  async down() {
+    this.schema.dropTable(this.tableName)
+  }
+}