// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

Klaus Post <******@****.***> 1759093161 +0200

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

Klaus Post <******@****.***> 1759093161 +0200

    created: "2025-01-02T21:34:25.234658257-08:00"
    description: High Performance Object Storage
    digest: 25fa2740480d1ebc9e64340854a6c42d3a7bc39c2a77378da91b21f144faa9af
    home: https://min.io
    icon: https://min.io/resources/img/logo/MINIO_wordmark.png
    keywords:
    - minio
    - storage
    - object-storage
    - s3
    - cluster
    maintainers:
    - email: ******@****.***
      name: MinIO, Inc

	h.Write(data)
	hashBytes := h.Sum(nil)
	if err := storage.WriteAll(t.Context(), volName, fileName, data); err != nil {
		t.Fatal(err)
	}
	if err := storage.storage.bitrotVerify(t.Context(), pathJoin(path, volName, fileName), size, algo, hashBytes, 0); err != nil {
		t.Fatal(err)
	}

	// 2) Whole-file bitrot check on corrupted file
	if err := storage.AppendFile(t.Context(), volName, fileName, []byte("a")); err != nil {

## Downloads for v1.3.10


filename | sha256 hash
-------- | -----------
[kubernetes.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.3.10/kubernetes.tar.gz) | `0f61517fbab1feafbe1024da0b88bfe16e61fed7e612285d70e3ecb53ce518cf`
[kubernetes-src.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.3.10/kubernetes-src.tar.gz) | `7b1be0dcc12ae1b0cb1928b770c1025755fd0858ce7520907bacda19e5bfa53f`

	}

	return nil
}

// IAMStoreSys contains IAMStorageAPI to add higher-level methods on the storage
// layer.
type IAMStoreSys struct {
	IAMStorageAPI

	group  *singleflight.Group
	policy *singleflight.Group
}

// HasWatcher - returns if the storage system has a watcher.
func (store *IAMStoreSys) HasWatcher() bool {
	_, ok := store.IAMStorageAPI.(iamStorageWatcher)
	return ok

	disks := er.getDisks()
	// Assume (N/2 + 1) quorum for Delete()
	// this is a theoretical assumption such that
	// for delete's we do not need to honor storage
	// class for objects that have reduced quorum
	// due to storage class - this only needs to be honored
	// for Read() requests alone that we already do.
	writeQuorum := len(disks)/2 + 1

	g := errgroup.WithNErrs(len(disks))

type IAMUserType int

const (
	unknownIAMUserType IAMUserType = iota - 1
	regUser
	stsUser
	svcUser
)

// LoadGroup - loads a specific group from storage, and updates the
// memberships cache. If the specified group does not exist in
// storage, it is removed from in-memory maps as well - this
// simplifies the implementation for group removal. This is called
// only via IAM notifications.