Add server status

Package.swift

@@ -4,16 +4,19 @@ import PackageDescription
 let package = Package(
     name: "SesameServer",
     platforms: [
-       .macOS(.v10_15)
+       .macOS(.v12)
     ],
     dependencies: [
         .package(url: "https://github.com/vapor/vapor.git", from: "4.0.0"),
+        .package(url: "https://github.com/christophhagen/clairvoyant.git", from: "0.3.0"),
     ],
     targets: [
         .target(
             name: "App",
             dependencies: [
-                .product(name: "Vapor", package: "vapor")
+                .product(name: "Vapor", package: "vapor"),
+                .product(name: "Clairvoyant", package: "Clairvoyant"),
+
             ],
             swiftSettings: [
                 // Enable better optimizations when building in Release configuration. Despite the use of

Sources/App/configure.swift

@@ -1,4 +1,5 @@
 import Vapor
+import Clairvoyant
 
 var deviceManager: DeviceManager!
 
@@ -12,10 +13,23 @@ public func configure(_ app: Application) throws {
     let storageFolder = URL(fileURLWithPath: app.directory.resourcesDirectory)
     let logFolder = storageFolder.appendingPathComponent("logs")
 
+    let accessManager = AccessTokenManager([])
+    let monitor = MetricObserver(
+        logFolder: logFolder,
+        accessManager: accessManager,
+        logMetricId: "sesame.log")
+    MetricObserver.standard = monitor
+
+    let status = Metric<ServerStatus>("sesame.status")
+    status.update(.initializing)
+
+    monitor.registerRoutes(app)
 
     let configUrl = storageFolder.appendingPathComponent("config.json")
     let config = try Config(loadFrom: configUrl)
 
+    config.authenticationTokens.map { $0.data(using: .utf8)! }.forEach(accessManager.add)
+
     app.http.server.configuration.port = config.port
 
     let keyFile = storageFolder.appendingPathComponent(config.keyFileName)
@@ -30,6 +44,8 @@ public func configure(_ app: Application) throws {
             deviceManager.removeDeviceConnection()
         }
     }
+
+    status.update(.nominal)
 }
 
 private func loadKeys(at url: URL) throws -> (deviceKey: Data, remoteKey: Data) {