feat: add vms count

app/core/modules/info/get-vms-count.ts

@@ -0,0 +1,63 @@
+/*!
+ * Copyright 2019-2020 Lime Technology Inc. All rights reserved.
+ * Written by: Alexis Tyler
+ */
+
+import { ConnectListAllDomainsFlags } from '@vmngr/libvirt';
+import { CoreResult, CoreContext } from '../../types';
+import { ensurePermission, getHypervisor } from '../../utils';
+
+/**
+ * Two arrays containing the installed and started VMs.
+ *
+ * @param installed The amount of installed VMs.
+ * @param started The amount of running VMs.
+ * @interface Result
+ * @extends {CoreResult}
+ */
+interface Result extends CoreResult {
+	json: {
+		installed: number;
+		started: number;
+	};
+}
+
+/**
+ * Get count of VMs.
+ */
+export const getVmsCount = async function (context: CoreContext): Promise<Result> {
+	const { user } = context;
+
+	// Check permissions
+	ensurePermission(user, {
+		resource: 'vms',
+		action: 'read',
+		possession: 'any'
+	});
+
+	try {
+		const hypervisor = await getHypervisor();
+		const activeDomains = await hypervisor.connectListAllDomains(ConnectListAllDomainsFlags.ACTIVE) as [];
+		const inactiveDomains = await hypervisor.connectListAllDomains(ConnectListAllDomainsFlags.INACTIVE) as [];
+		const installed = activeDomains.length + inactiveDomains.length;
+		const started = activeDomains.length;
+
+		return {
+			text: `Installed: ${installed} \nStarted: ${started}`,
+			json: {
+				installed,
+				started
+			}
+		};
+	} catch {
+		const installed = 0;
+		const started = 0;
+		return {
+			text: `Installed: ${installed} \nStarted: ${started}`,
+			json: {
+				installed,
+				started
+			}
+		}
+	}
+};

app/core/modules/info/index.ts

@@ -1,5 +1,3 @@
-// Created from 'create-ts-index'
-
 export * from './get-all-devices';
 export * from './get-app-count';
 export * from './get-baseboard';
@@ -11,3 +9,4 @@ export * from './get-os';
 export * from './get-software-versions';
 export * from './get-unraid-version';
 export * from './get-versions';
+export * from './get-vms-count';

app/core/types/global.ts

@@ -26,7 +26,7 @@ export interface CoreContext {
  * Result object
  */
 export interface CoreResult {
-	json?: Record<string, unknown> | Array<Record<string, unknown>>;
+	json?: Record<string, unknown> | Array<Record<string, unknown>> | null;
 	text?: string;
 	html?: string;
 }