|
| 1 | +using FaasNet.CLI.Helpers; |
| 2 | +using System; |
| 3 | +using System.Collections.Generic; |
| 4 | +using System.IO; |
| 5 | +using System.Linq; |
| 6 | + |
| 7 | +namespace FaasNet.CLI.Commands |
| 8 | +{ |
| 9 | + public class FunctionCreateDockerFileCommand : IMenuItemCommand |
| 10 | + { |
| 11 | + public string Command => "-df"; |
| 12 | + public string Description => "Create a docker file for the function"; |
| 13 | + |
| 14 | + public void Execute(IEnumerable<string> args) |
| 15 | + { |
| 16 | + if (!args.Any()) |
| 17 | + { |
| 18 | + Console.WriteLine("A directory must be specified"); |
| 19 | + return; |
| 20 | + } |
| 21 | + |
| 22 | + var projectName = GetProjectName(args.First()); |
| 23 | + if (string.IsNullOrWhiteSpace(projectName)) |
| 24 | + { |
| 25 | + return; |
| 26 | + } |
| 27 | + |
| 28 | + var dockerFileContent = GetDockerFile(projectName); |
| 29 | + if (string.IsNullOrWhiteSpace(dockerFileContent)) |
| 30 | + { |
| 31 | + return; |
| 32 | + } |
| 33 | + |
| 34 | + WriteDockerFile(args.First(), dockerFileContent); |
| 35 | + } |
| 36 | + |
| 37 | + protected static string GetProjectName(string directory) |
| 38 | + { |
| 39 | + if (!DockerHelper.CheckDockerExists()) |
| 40 | + { |
| 41 | + Console.WriteLine("Docker is not installed"); |
| 42 | + return null; |
| 43 | + } |
| 44 | + |
| 45 | + var projectName = ExtractProjectName(directory); |
| 46 | + if (string.IsNullOrWhiteSpace(projectName)) |
| 47 | + { |
| 48 | + return null; |
| 49 | + } |
| 50 | + |
| 51 | + return projectName; |
| 52 | + } |
| 53 | + |
| 54 | + protected static string ExtractProjectName(string directory) |
| 55 | + { |
| 56 | + if (!Directory.Exists(directory)) |
| 57 | + { |
| 58 | + Console.WriteLine($"The Directory '{directory}' doesn't exist"); |
| 59 | + return null; |
| 60 | + } |
| 61 | + |
| 62 | + var files = Directory.GetFiles(directory, "*.csproj"); |
| 63 | + if (!files.Any()) |
| 64 | + { |
| 65 | + Console.WriteLine($"The Directory '{directory}' doesn't contain .csproj"); |
| 66 | + return null; |
| 67 | + } |
| 68 | + |
| 69 | + if (files.Count() > 1) |
| 70 | + { |
| 71 | + Console.WriteLine($"The Directory '{directory}' contains more than one .csproj"); |
| 72 | + return null; |
| 73 | + } |
| 74 | + |
| 75 | + return Path.GetFileName(files.First()).Replace(".csproj", string.Empty); |
| 76 | + } |
| 77 | + |
| 78 | + protected static string GetDockerFile(string projectName) |
| 79 | + { |
| 80 | + var dockerFilePath = Path.Combine(Directory.GetCurrentDirectory(), "Files", "Dockerfile.txt"); |
| 81 | + if(!File.Exists(dockerFilePath)) |
| 82 | + { |
| 83 | + Console.WriteLine("The Dockerfile doesn't exist"); |
| 84 | + return null; |
| 85 | + } |
| 86 | + |
| 87 | + var txt = File.ReadAllText(dockerFilePath); |
| 88 | + return txt.Replace("{{ProjectName}}", projectName); |
| 89 | + } |
| 90 | + |
| 91 | + protected static void WriteDockerFile(string directory, string content) |
| 92 | + { |
| 93 | + var dockerFileTargetPath = DockerHelper.GetDockefilePath(directory); |
| 94 | + if (File.Exists(dockerFileTargetPath)) |
| 95 | + { |
| 96 | + File.Delete(dockerFileTargetPath); |
| 97 | + } |
| 98 | + |
| 99 | + File.WriteAllText(dockerFileTargetPath, content); |
| 100 | + Console.WriteLine($"The dockerfile has been written into '{dockerFileTargetPath}'"); |
| 101 | + } |
| 102 | + } |
| 103 | +} |
0 commit comments