74 lines
2.1 KiB
Swift
74 lines
2.1 KiB
Swift
import Foundation
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struct Config: Codable {
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/// The port where the server runs
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let port: Int
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/// The maximum size of the request body
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let maxBodySize: String
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/// The path to the folder where the metric logs are stored
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///
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/// If no path is provided, then a folder `logs` in the resources directory is created
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/// If the path is relative, then it is assumed relative to the resources directory
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let logPath: String?
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/// Serve files in the Public directory using Vapor
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let serveFiles: Bool
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/// Authentication tokens for remotes allowed to write
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let writers: [String]
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/**
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The folder where the data should be stored.
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If the folder is set to `nil`, then the `Resources` folder is used.
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*/
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let dataDirectory: String?
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func customDataDirectory(or publicDirectory: String) -> URL {
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guard let dataDirectory else {
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return URL(fileURLWithPath: publicDirectory)
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}
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return URL(fileURLWithPath: dataDirectory)
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}
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func logURL(possiblyRelativeTo resourcesDirectory: URL) -> URL {
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guard let logPath else {
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return resourcesDirectory.appendingPathComponent("logs")
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}
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guard !logPath.hasPrefix("/") else {
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return .init(fileURLWithPath: logPath)
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}
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return resourcesDirectory.appendingPathComponent(logPath)
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}
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}
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extension Config {
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private static func file(in directory: URL) -> URL {
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directory.appendingPathComponent("config.json")
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}
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init(loadFrom directory: URL) {
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let configFileUrl = Config.file(in: directory)
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guard FileManager.default.fileExists(atPath: configFileUrl.path) else {
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print("No configuration found at \(configFileUrl.path)")
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exit(-1)
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}
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self.init(loadAt: configFileUrl)
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}
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private init(loadAt url: URL) {
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do {
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let configData = try Data(contentsOf: url)
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self = try JSONDecoder().decode(Config.self, from: configData)
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} catch {
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print("Failed to load configuration from \(url.path): \(error)")
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exit(-1)
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}
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}
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}
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