コード例 #1
0
        private static async Task executeS3(string[] args, Credentials credentials)
        {
            var nArgs  = CLIHelper.GetNamedArguments(args);
            var helper = new S3Helper(credentials);

            switch (args[1]?.ToLower())
            {
            case "upload-text":
            {
                var keyId  = nArgs.GetValueOrDefault("key");
                var result = await helper.UploadTextAsync(
                    bucketName : nArgs["bucket"],
                    key : nArgs["path"],
                    text : nArgs["text"],
                    keyId : keyId,
                    encoding : Encoding.UTF8);

                WriteLine($"SUCCESS, Text Saved, Bucket {nArgs["bucket"]}, Path {nArgs["path"]}, Encryption Key {keyId}, ETag: {result}");
            }
                ; break;

            case "upload-object":
            {
                var file = nArgs["input"].ToFileInfo();
                if (!file.Exists)
                {
                    throw new Exception($"Can't upload file '{file}' because it doesn't exists.");
                }

                using (var stream = file.OpenRead())
                {
                    var keyId  = nArgs.GetValueOrDefault("key");
                    var result = await helper.UploadStreamAsync(
                        bucketName : nArgs["bucket"],
                        key : nArgs["path"],
                        inputStream : stream,
                        keyId : keyId);

                    WriteLine($"SUCCESS, File was uploaded, result: {result}");
                }
            }
                ; break;

            case "upload-folder":
            {
                var bucket       = nArgs["bucket"];
                var path         = nArgs["path"];
                var directory    = nArgs["input"].ToDirectoryInfo();
                var excludeFiles = nArgs.GetValueOrDefault("exclude-files", "")
                                   .EscapedSplit(',').Where(x => !x.IsNullOrWhitespace()).Select(x => x.ToFileInfo()).ToArray();
                var excludeDirectories = nArgs.GetValueOrDefault("exclude-directories", "")
                                         .EscapedSplit(',').Where(x => !x.IsNullOrWhitespace()).Select(x => x.ToDirectoryInfo()).ToArray();
                var excludePatterns = nArgs.GetValueOrDefault("exclude-file-patterns", "")
                                      .EscapedSplit(',').Where(x => !x.IsNullOrWhitespace()).ToArray();
                var includePatterns = nArgs.GetValueOrDefault("include-file-patterns", "*")
                                      .EscapedSplit(',').Where(x => !x.IsNullOrWhitespace()).ToArray();
                var recursive = nArgs.GetValueOrDefault("recursive").ToBoolOrDefault();     //default false
                var force     = nArgs.GetValueOrDefault("force").ToBoolOrDefault(true);     //upload even if exists

                if (!directory.Exists)
                {
                    throw new Exception($"Can't upload directory '{directory?.FullName}' because it doesn't exists.");
                }

                var files = directory.GetFiles(recursive: recursive,
                                               inclusivePatterns: includePatterns,
                                               exclusivePatterns: excludePatterns);

                var directories = directory.GetDirectories(recursive: recursive).Merge(directory);

                if (files.IsNullOrEmpty())
                {
                    WriteLine($"No files were found in directory '{directory?.FullName}'");
                }

                if (directories.IsNullOrEmpty())
                {
                    WriteLine($"No sub-directories were found in directory '{directory?.FullName}'");
                }

                var prefix              = directory.FullName;
                int uploadedFiles       = 0;
                int uploadedDirectories = 0;

                WriteLine("Uploading Files...");
                files.ParallelForEach(file =>
                    {
                        if (excludeFiles.Any(x => x.FullName == file.FullName) || excludeDirectories.Any(x => file.HasSubDirectory(x)))
                        {
                            WriteLine($"Skipping following File Upload due to exclude-files/directories parameter: '{file.FullName}'");
                            return;
                        }

                        var destination = (path.StartsWith("/") ? path.TrimStart("/") : path).TrimEnd("/") + "/" +
                                          file.FullName.TrimStartSingle(prefix).TrimStart('/', '\\').Replace("\\", "/");
                        destination = destination.TrimStart("/");     //in case path was null or '/'

                        WriteLine($"Uploading '{file.FullName}' => '{bucket}/{destination}' ...");

                        using (var stream = file.OpenRead())
                        {
                            var result = helper.UploadStreamAsync(
                                bucketName: bucket,
                                key: destination,
                                inputStream: stream,
                                keyId: null,
                                throwIfAlreadyExists: !force).Result;

                            ++uploadedFiles;
                            WriteLine($"SUCCESS, File '{destination}' was uploaded, result: {result}");
                        }
                    });

                if (nArgs.GetValueOrDefault("create-directories").ToBoolOrDefault(false))
                {
                    WriteLine("Creating Directories...");

                    directories.ParallelForEach(dir =>
                        {
                            if (excludeDirectories.Any(x => x.FullName == dir.FullName) || excludeDirectories.Any(x => dir.HasSubDirectory(x)))
                            {
                                WriteLine($"Skipping following Directory Creation due to exclude-files/directories parameter: '{dir.FullName}'");
                                return;
                            }

                            var destination = (path.StartsWith("/") ? path.TrimStart("/") : path).TrimEnd("/") + "/" +
                                              dir.FullName.TrimStartSingle(prefix).Trim('/', '\\').Replace("\\", "/");
                            destination = destination.TrimStart("/");     //in case path was null or '/'

                            if (destination.IsNullOrEmpty() || helper.ObjectExistsAsync(bucket, key: destination + "/").Result)
                            {
                                WriteLine($"Directory '{destination}' already exists or is an empty destination.");
                                return;
                            }

                            helper.CreateDirectory(bucketName: bucket, path: destination).Await();
                            ++uploadedDirectories;
                            WriteLine($"Created empty directory '{destination}'.");
                        });
                }

                WriteLine($"SUCCESS, uploaded {uploadedFiles} files and {uploadedDirectories} directories.");
            }
                ; break;

            case "download-text":
            {
                var result = await helper.DownloadTextAsync(
                    bucketName : nArgs["bucket"],
                    key : nArgs["path"],
                    eTag : nArgs.GetValueOrDefault("etag"),
                    version : nArgs.GetValueOrDefault("version"),
                    throwIfNotFound : nArgs.GetValueOrDefault("throw-if-not-found").ToBoolOrDefault(true),
                    encoding : Encoding.UTF8);

                WriteLine($"SUCCESS, Text Read, Bucket: {nArgs["bucket"]}, Path: {nArgs.GetValueOrDefault("path")}, Version: {nArgs.GetValueOrDefault("version")}, eTag: {nArgs.GetValueOrDefault("etag")}, Read: {result?.Length ?? 0} [characters], Result:");
                Console.WriteLine(result ?? "");
            }
                ; break;

            case "delete-object":
            {
                var bucket = nArgs["bucket"];
                var path   = nArgs["path"];
                var result = await helper.DeleteVersionedObjectAsync(
                    bucketName : bucket,
                    key : path,
                    throwOnFailure : nArgs.GetValueOrDefault("throw-on-failure").ToBoolOrDefault(true));

                if (!result && nArgs.GetValueOrDefault("throw-if-not-deleted").ToBoolOrDefault(false))
                {
                    throw new Exception($"File was NOT deleted, Bucket: {bucket}, Path: {path}");
                }

                WriteLine($"SUCCESS, Text Read, Bucket: {bucket}, Path: {path}, Deleted: '{(result ? "true" : "false")}'");
            }
                ; break;

            case "object-exists":
            {
                var throwIfNotFound = nArgs.GetValueOrDefault("throw-if-not-found").ToBoolOrDefault(false);
                var exists          = await helper.ObjectExistsAsync(
                    bucketName : nArgs["bucket"],
                    key : nArgs["path"]);

                if (!exists && throwIfNotFound)
                {
                    throw new Exception($"File Does NOT exists, Bucket: {nArgs["bucket"]}, Path: {nArgs["path"]}");
                }

                WriteLine($"SUCCESS, Object Exists Check, Bucket: {nArgs["bucket"]}, Path: {nArgs["path"]}, Exists: {(exists ? "true" : "false")}");
                if (!throwIfNotFound)
                {
                    Console.WriteLine(exists);
                }
            }
                ; break;

            case "download-object":
            {
                var bucket = nArgs["bucket"];
                var path   = nArgs["path"];
                var output = nArgs["output"];

                if (Directory.Exists(output))
                {
                    output = Path.Combine(output, path.Contains("/") ? path.SplitByLast('/')[1] : path);
                }

                WriteLine($"Started Download '{bucket}' -> '{output}'...");

                var result = await helper.DownloadObjectAsync(
                    bucketName : nArgs["bucket"],
                    key : path,
                    eTag : nArgs.GetValueOrDefault("etag"),
                    version : nArgs.GetValueOrDefault("version"),
                    outputFile : output,
                    @override : nArgs.GetValueOrDefault("override").ToBoolOrDefault(false));

                WriteLine($"SUCCESS, Text Read, Bucket: {bucket}, Path: {path}, Version: {nArgs.GetValueOrDefault("version")}, eTag: {nArgs.GetValueOrDefault("etag")}, Read: {result?.Length ?? 0} [B], Result: {result}");
            }
                ; break;

            case "download-folder":
            {
                var bucket    = nArgs["bucket"];
                var path      = nArgs["path"].TrimEnd('/') + "/";    //path must contain '/'
                var output    = nArgs["output"].ToDirectoryInfo();
                var @override = nArgs.GetValueOrDefault("override").ToBoolOrDefault();
                var recursive = nArgs.GetValueOrDefault("recursive").ToBoolOrDefault(false);
                var exclude   = nArgs.GetValueOrDefault("exclude", "")
                                .EscapedSplit(',').Where(x => !(x?.TrimStart('/')).IsNullOrWhitespace()).Select(x => x.TrimStart('/')).ToArray();

                if (!output.Exists)
                {
                    if (nArgs.GetValueOrDefault("create-output").ToBoolOrDefault(false))
                    {
                        output.Create();
                    }
                    else
                    {
                        throw new Exception($"Can't download S3 objects, because output directory '{output?.FullName}' does NOT exists.");
                    }
                }

                var list = helper.ListObjectsAsync(bucket, prefix: path == "/" ? null : path).Result;

                if (list.IsNullOrEmpty())
                {
                    WriteLine($"Coudn't find any object in bucket '{bucket}' with prefix '{path}'.");
                }

                list.ParallelForEach(o =>
                    {
                        var baseKey = o.Key.TrimStart('/').TrimStart(path.Trim('/')).TrimStart('/');

                        var excludeMatch = exclude?.FirstOrDefault(ex => baseKey.IsWildcardMatch(ex));
                        if (excludeMatch != null)
                        {
                            WriteLine($"Skipping download of object: '{o.Key}' due to exclude of '{excludeMatch}'.");
                            return;
                        }

                        var destination          = Path.Combine(output.FullName, baseKey).ToFileInfo();
                        var nonRecursivefileName = o.Key.TrimStart('/').TrimStart(path);

                        if (!recursive && nonRecursivefileName.Count("/") > 0)
                        {
                            WriteLine($"Object '{o.Key}' will NOT be downloaded, because processing has non recursive mode.");
                            return;
                        }

                        if (!@override && destination.Exists)
                        {
                            throw new Exception($"Override not allowed and file already fxists: '{destination?.FullName}'");
                        }

                        if (o.Key.EndsWith("/"))
                        {
                            WriteLine($"Found Directory, not a file: '{o.BucketName}/{o.Key}', no need to download, created direcory '{destination.Directory.FullName}'.");
                            return;
                        }

                        if (!destination.Directory.Exists)
                        {
                            WriteLine($"Creating missing directory '{destination.Directory.FullName}'...");
                            destination.Directory.Create();
                        }

                        WriteLine($"Started Download '{bucket}/{o.Key}' -> '{destination?.FullName}'...");

                        var result = helper.DownloadObjectAsync(
                            bucketName: bucket,
                            key: o.Key,
                            eTag: o.ETag,
                            version: null,
                            outputFile: destination.FullName,
                            @override: @override).Result;

                        WriteLine($"SUCCESS, File '{destination.FullName}' was saved.");
                    });
            }
                ; break;

            case "delete-folder":
            {
                var bucket    = nArgs["bucket"];
                var path      = nArgs["path"].Trim('/') + "/";
                var recursive = nArgs.GetValueOrDefault("recursive").ToBoolOrDefault(false);

                var list = await helper.ListObjectsAsync(bucket, prefix : path);

                WriteLine($"Found '{list.Length}' objects with '{path}' prefix in bucket '{bucket}'.");

                var rootPathCount = path.Trim('/').Count("/") + 1;
                int counter       = 0;
                list.ParallelForEach(o =>
                    {
                        if (!recursive && o.Key.Trim('/').Count("/") > rootPathCount)
                        {
                            WriteLine($"Object '{o.Key}' will NOT be removed from bucket '{bucket}', due to NON recursive execution mode.");
                            return;
                        }

                        WriteLine($"Removing '{o.Key}' from bucket '{bucket}'...");
                        var success = helper.DeleteObjectAsync(bucketName: bucket, key: o.Key, throwOnFailure: true).Result;
                        ++counter;
                        WriteLine($"Sucesfully removed '{o.Key}' from bucket '{bucket}', response: {success}.");
                    });

                list = await helper.ListObjectsAsync(bucket, prefix : path);

                if (list.IsNullOrEmpty() && await helper.ObjectExistsAsync(bucket, key: path))
                {
                    WriteLine($"Removing root directory '{path}' from bucket '{bucket}'...");
                    var success = await helper.DeleteObjectAsync(bucketName : bucket, key : path, throwOnFailure : true);

                    ++counter;
                    WriteLine($"Sucesfully removed root directory '{path}' from bucket '{bucket}', response: {success}.");
                }

                WriteLine($"SUCCESS, removed {counter} files.");
            }
                ; break;

            case "hash-download":
            {
                var sync = nArgs.GetOrThrow("sync")?.ToDirectoryInfo();

                if (sync?.TryCreate() != true)
                {
                    throw new Exception($"Sync directory '{sync?.FullName ?? "undefined"}' was not found or could not be created.");
                }

                var st = new SyncTarget()
                {
                    id                    = nArgs.GetValueOrDefault("id", GuidEx.SlimUID()),
                    source                = nArgs.GetOrThrow("source"),
                    status                = nArgs.GetOrThrow("status"),
                    destination           = nArgs.GetOrThrow("destination"),
                    sync                  = sync.FullName,
                    verbose               = nArgs.GetValueOrDefault("verbose").ToBoolOrDefault(true),
                    verify                = nArgs.GetValueOrDefault("verify").ToBoolOrDefault(false),
                    profile               = nArgs.GetValueOrDefault("profile", ""),
                    parallelism           = nArgs.GetValueOrDefault("parallelism").ToIntOrDefault(2),
                    maxTimestamp          = nArgs.GetValueOrDefault("maxTimestamp").ToLongOrDefault(20991230121314),
                    minTimestamp          = nArgs.GetValueOrDefault("minTimestamp").ToLongOrDefault(0),
                    wipe                  = nArgs.GetOrThrow("wipe").ToBoolOrDefault(false),
                    compress              = nArgs.GetValueOrDefault("compress").ToBoolOrDefault(false),
                    retry                 = nArgs.GetValueOrDefault("retry").ToIntOrDefault(5),
                    timeout               = nArgs.GetValueOrDefault("timeout").ToIntOrDefault(60000),
                    type                  = SyncTarget.types.download,
                    throwIfSourceNotFound = nArgs.GetValueOrDefault("throwIfSourceNotFound").ToBoolOrDefault(true),
                };

                var s3hs   = new S3HashStore(st);
                var result = await s3hs.Process();

                Console.Write(result.JsonSerialize());
            }
                ; break;

            case "hash-upload":
            {
                var sync = nArgs.GetOrThrow("sync")?.ToDirectoryInfo();

                if (sync?.TryCreate() != true)
                {
                    throw new Exception($"Sync directory '{sync?.FullName ?? "undefined"}' was not found or could not be created.");
                }

                var st = new SyncTarget()
                {
                    id                    = nArgs.GetValueOrDefault("id", GuidEx.SlimUID()),
                    source                = nArgs.GetOrThrow("source"),
                    status                = nArgs.GetOrThrow("status"),
                    sync                  = sync.FullName,
                    destination           = nArgs.GetOrThrow("destination"),
                    profile               = nArgs.GetValueOrDefault("profile", ""),
                    verbose               = nArgs.GetValueOrDefault("verbose").ToBoolOrDefault(true),
                    recursive             = nArgs.GetOrThrow("recursive").ToBoolOrDefault(false),
                    parallelism           = nArgs.GetValueOrDefault("parallelism").ToIntOrDefault(2),
                    retry                 = nArgs.GetValueOrDefault("retry").ToIntOrDefault(5),
                    rotation              = nArgs.GetOrThrow("rotation").ToInt32(),
                    retention             = nArgs.GetValueOrDefault("retention").ToIntOrDefault(1),    // retention 1 second
                    compress              = nArgs.GetValueOrDefault("compress").ToBoolOrDefault(false),
                    timeout               = nArgs.GetValueOrDefault("timeout").ToIntOrDefault(180000), // 3 minutes
                    type                  = SyncTarget.types.upload,
                    throwIfSourceNotFound = nArgs.GetValueOrDefault("throwIfSourceNotFound").ToBoolOrDefault(true),
                };

                var s3hs   = new S3HashStore(st);
                var result = await s3hs.Process();

                Console.Write(result.JsonSerialize());
            }
                ; break;

            case "help":
            case "--help":
            case "-help":
            case "-h":
            case "h":
                HelpPrinter($"{args[0]}", "Amazon S3",
                            ("upload-text", "Accepts params: bucket, path, key, text"),
                            ("download-text", "Accepts params: bucket, path, etag (optional), version (optional)"),
                            ("delete-object", "Accepts params: bucket, path"),
                            ("object-exists", "Accepts params: bucket, path"),
                            ("hash-upload", "Accepts params: id (optional-UID), profile, sourc, status, sync, verbose (optional), parallelism (optional), maxTimestamp (optional), minTimestamp (optional), retry (optional), compress (optional:false), wipe, verify (optional:false), timeout (optional: 60000), throwIfSourceNotFound (optional: true)"),
                            ("hash-download", "Accepts params: id (optional), profile, sourc, status, sync, destination, recursive, verbose (optional), parallelism (optional), wipe, timeout (optional: 180000), retention, rotation, compress (optional:false), throwIfSourceNotFound (optional: true)"));
                break;

            default:
            {
                Console.WriteLine($"Try '{args[0]} help' to find out list of available commands.");
                throw new Exception($"Unknown S3 command: '{args[0]} {args[1]}'");
            }
            }
        }