NSFS | versioning | calculate multipart upload version by creation time

src/api/common_api.js

@@ -1201,6 +1201,9 @@ module.exports = {
                 },
                 safeunlink: {
                     $ref: 'common_api#/definitions/op_stats_val'
+                },
+                utimensat: {
+                    $ref: 'common_api#/definitions/op_stats_val'
                 }
             }
         },

src/native/fs/fs_napi.cpp

@@ -17,6 +17,7 @@
 #include <sys/fcntl.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
+#include <sys/time.h>
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <sys/xattr.h>
@@ -1351,6 +1352,47 @@ struct GetPwName : public FSWorker
     }
 };
 
+/**
+ * Utimensat is an fs op
+ * change file times with nanosecond precision (access and modification times)
+ * see https://man7.org/linux/man-pages/man3/utimensat.3p.html
+ */
+struct Utimensat : public FSWorker
+{
+    std::string _path;
+    struct timespec _times[2];
+    Utimensat(const Napi::CallbackInfo& info)
+        : FSWorker(info)
+    {
+        _path = info[1].As<Napi::String>();
+        Napi::Object napi_times = info[2].As<Napi::Object>();
+        std::string new_atime;
+        get_time_from_info(napi_times, "actime", _times[0], new_atime);
+        std::string new_mtime;
+        get_time_from_info(napi_times, "modtime", _times[1], new_mtime);
+        Begin(XSTR() << "utimensat " << DVAL(_path) << DVAL(new_atime) << DVAL(new_mtime));
+    }
+    virtual void Work()
+    {
+        SYSCALL_OR_RETURN(utimensat(AT_FDCWD, _path.c_str(), _times, 0));
+    }
+
+   void get_time_from_info(const Napi::Object& napi_times, const std::string& time_type, struct timespec& timeval, std::string& log_str) {
+        if(napi_times.Get(time_type).IsBigInt()) {
+            const Napi::BigInt bigint = napi_times.Get(time_type).As<Napi::BigInt>();
+            //TODO: handle lossless
+            bool lossless = true;
+            const int64_t time = bigint.Int64Value(&lossless);
+            timeval.tv_sec = time / int64_t(1e9);
+            timeval.tv_nsec = time % int64_t(1e9);
+            log_str = std::to_string(time);
+        } else {
+            timeval.tv_nsec = UTIME_OMIT;
+            log_str = "UTIME_OMIT";
+        }
+    }
+};
+
 struct FileWrap : public Napi::ObjectWrap<FileWrap>
 {
     std::string _path;
@@ -1374,6 +1416,7 @@ struct FileWrap : public Napi::ObjectWrap<FileWrap>
                 InstanceMethod<&FileWrap::flock>("flock"),
                 InstanceMethod<&FileWrap::fcntllock>("fcntllock"),
                 InstanceAccessor<&FileWrap::getfd>("fd"),
+                InstanceMethod<&FileWrap::utimensat>("utimensat"),
             }));
         constructor.SuppressDestruct();
     }
@@ -1403,6 +1446,7 @@ struct FileWrap : public Napi::ObjectWrap<FileWrap>
     Napi::Value getfd(const Napi::CallbackInfo& info);
     Napi::Value flock(const Napi::CallbackInfo& info);
     Napi::Value fcntllock(const Napi::CallbackInfo& info);
+    Napi::Value utimensat(const Napi::CallbackInfo& info);
 };
 
 Napi::FunctionReference FileWrap::constructor;
@@ -2320,6 +2364,7 @@ fs_napi(Napi::Env env, Napi::Object exports)
     exports_fs["getsinglexattr"] = Napi::Function::New(env, api<GetSingleXattr>);
     exports_fs["getpwname"] = Napi::Function::New(env, api<GetPwName>);
     exports_fs["symlink"]  = Napi::Function::New(env, api<Symlink>);
+    exports_fs["utimensat"]  = Napi::Function::New(env, api<Utimensat>);
 
     FileWrap::init(env);
     exports_fs["open"] = Napi::Function::New(env, api<FileOpen>);

src/sdk/namespace_fs.js

@@ -1505,6 +1505,16 @@ class NamespaceFS {
                         await this._delete_null_version_from_versions_directory(key, fs_context);
                     }
                 }
+                //in case new version is not the latest move straight to .versions dir. can happen for multipart upload
+                const prev_version_info = latest_ver_info || await this.find_max_version_past(fs_context, key);
+                if (this._is_versioning_enabled() && prev_version_info &&
+                    this._is_version_more_recent(prev_version_info.version_id_str, new_ver_info.version_id_str)) {
+                        const new_versioned_path = this._get_version_path(key, new_ver_info.version_id_str);
+                        dbg.log1('NamespaceFS._move_to_dest_version version ID of key is not the latest move to .versions ');
+                        await native_fs_utils.safe_move(fs_context, new_ver_tmp_path, new_versioned_path, new_ver_info,
+                            gpfs_options?.move_source_to_version, bucket_tmp_dir_path);
+                        break; //since moving staight to .version, no need to change the latest version
+                }
                 if (latest_ver_info &&
                     ((this._is_versioning_enabled()) ||
                         (this._is_versioning_suspended() && latest_ver_info.version_id_str !== NULL_VERSION_ID))) {
@@ -1865,9 +1875,14 @@ class NamespaceFS {
             }
             if (!target_file) target_file = await native_fs_utils.open_file(fs_context, this.bucket_path, upload_path, open_mode);
 
+            const create_object_upload_path = path.join(params.mpu_path, 'create_object_upload');
+            const create_object_upload_stat = await nb_native().fs.stat(fs_context, create_object_upload_path);
+            //according to aws, multipart upload version time should be calculated based on creation rather then completion time.
+            //change the files mtime to match the creation time
+            await nb_native().fs.utimensat(fs_context, upload_path, {modtime: create_object_upload_stat.mtimeNsBigint});
             const { data: create_params_buffer } = await nb_native().fs.readFile(
                 fs_context,
-                path.join(params.mpu_path, 'create_object_upload')
+                create_object_upload_path
             );
 
             const upload_params = { fs_context, upload_path, open_mode, file_path, params, target_file };
@@ -2725,6 +2740,17 @@ class NamespaceFS {
         return { mtimeNsBigint: size_utils.string_to_bigint(arr[0], 36), ino: parseInt(arr[1], 36) };
     }
 
+    /**
+     * compares two version strings, and returns if ver1 time is more recent then ver2
+     * returns true if ver1 is more recent, otherwise return false
+     * if at least one of the versions is null return false
+     */
+    _is_version_more_recent(ver1, ver2) {
+        const ver1_info = this._extract_version_info_from_xattr(ver1);
+        const ver2_info = this._extract_version_info_from_xattr(ver2);
+        return ver1_info && ver2_info && ver1_info.mtimeNsBigint > ver2_info.mtimeNsBigint;
+    }
+
     _get_version_id_by_xattr(stat) {
        return (stat && stat.xattr[XATTR_VERSION_ID]) || 'null';
     }
@@ -3230,7 +3256,8 @@ class NamespaceFS {
             }
             return {
                 move_to_versions: { src_file: dst_file, dir_file },
-                move_to_dst: { src_file, dst_file, dir_file}
+                move_to_dst: { src_file, dst_file, dir_file},
+                move_source_to_version: {src_file, dir_file}
             };
         } catch (err) {
             dbg.warn('NamespaceFS._open_files_gpfs couldn\'t open files', err);

src/sdk/nb.d.ts

@@ -953,6 +953,10 @@ interface NativeFS {
     checkAccess(fs_context: NativeFSContext, path: string): Promise<void>;
     getsinglexattr(fs_context: NativeFSContext, path: string, key: string): Promise<string>;
     getpwname(fs_context: NativeFSContext, user: string): Promise<NativeFSUserObject>;
+    utimensat(fs_context: NativeFSContext, path: string, times: {
+        modtime?: bigint,
+        actime?: bigint
+    }): Promise<void>;
 
     readFile(
         fs_context: NativeFSContext,

src/test/unit_tests/test_bucketspace_versioning.js

@@ -407,7 +407,54 @@ mocha.describe('bucketspace namespace_fs - versioning', function() {
                 const exist = await version_file_exists(full_path, mpu_key1, '', prev_version_id);
                 assert.ok(exist);
             });
+
+            mocha.it('mpu object - versioning enabled - put object before running mpu complete. mpu version should move to .versions dir and not latest', async function() {
+                const mpu_res = await s3_uid6.createMultipartUpload({ Bucket: bucket_name, Key: mpu_key1 });
+                const upload_id = mpu_res.UploadId;
+                const part1 = await s3_uid6.uploadPart({
+                    Bucket: bucket_name, Key: mpu_key1, Body: body1, UploadId: upload_id, PartNumber: 1 });
+                const res_put_object = await s3_uid6.putObject({Bucket: bucket_name, Key: mpu_key1, Body: body1});
+                const res = await s3_uid6.completeMultipartUpload({
+                    Bucket: bucket_name,
+                    Key: mpu_key1,
+                    UploadId: upload_id,
+                    MultipartUpload: {
+                        Parts: [{
+                            ETag: part1.ETag,
+                            PartNumber: 1
+                        }]
+                    }
+                });
+                const exist = await version_file_exists(full_path, mpu_key1, '', res.VersionId);
+                assert.ok(exist);
+                const comp_res = await compare_version_ids(full_path, mpu_key1, res_put_object.VersionId, res.VersionId);
+                assert.ok(comp_res);
+            });
+
+            mocha.it('mpu object - versioning enabled - create delete marker before running mpu complete. mpu should move to .versions dir and not latest', async function() {
+                const mpu_res = await s3_uid6.createMultipartUpload({ Bucket: bucket_name, Key: mpu_key1 });
+                const upload_id = mpu_res.UploadId;
+                const part1 = await s3_uid6.uploadPart({
+                    Bucket: bucket_name, Key: mpu_key1, Body: body1, UploadId: upload_id, PartNumber: 1 });
+                await s3_uid6.deleteObject({Bucket: bucket_name, Key: mpu_key1});
+                const res = await s3_uid6.completeMultipartUpload({
+                    Bucket: bucket_name,
+                    Key: mpu_key1,
+                    UploadId: upload_id,
+                    MultipartUpload: {
+                        Parts: [{
+                            ETag: part1.ETag,
+                            PartNumber: 1
+                        }]
+                    }
+                });
+                const exist = await version_file_exists(full_path, mpu_key1, '', res.VersionId);
+                assert.ok(exist);
+                const latest_version_dont_exist = fs_utils.file_not_exists(path.join(full_path, mpu_key1));
+                assert.ok(latest_version_dont_exist);
+            });
         });
+
     });
 
     // The res of putBucketVersioning is different depends on the versioning state:

src/test/unit_tests/test_nb_native_fs.js

@@ -444,6 +444,31 @@ mocha.describe('nb_native fs', async function() {
                 await fs_utils.file_delete(tmp_mv_path);
             }
         });
+
+        mocha.describe('Utimensat', async function() {
+            mocha.it('Utimensat - change both atime and mtime', async function() {
+                const { utimensat } = nb_native().fs;
+                const PATH1 = `/tmp/utimensat${Date.now()}_1`;
+                await create_file(PATH1);
+                const new_time = BigInt(Date.now());
+                await utimensat(DEFAULT_FS_CONFIG, PATH1, {modtime: new_time, actime: new_time});
+                const res = await nb_native().fs.stat(DEFAULT_FS_CONFIG, PATH1);
+                assert.equal(res.atimeNsBigint, new_time);
+                assert.equal(res.mtimeNsBigint, new_time);
+            });
+
+            mocha.it('Utimensat - change only mtime', async function() {
+                const { utimensat } = nb_native().fs;
+                const PATH1 = `/tmp/utimensat${Date.now()}_1`;
+                await create_file(PATH1);
+                const new_time = BigInt(Date.now());
+                const res0 = await nb_native().fs.stat(DEFAULT_FS_CONFIG, PATH1);
+                await utimensat(DEFAULT_FS_CONFIG, PATH1, {modtime: new_time});
+                const res1 = await nb_native().fs.stat(DEFAULT_FS_CONFIG, PATH1);
+                assert.equal(res1.atimeNsBigint, res0.atimeNsBigint);
+                assert.equal(res1.mtimeNsBigint, new_time);
+            });
+        });
     });
 });