github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/cmd/notification-summary.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package cmd
    19  
    20  import (
    21  	"github.com/minio/madmin-go/v3"
    22  )
    23  
    24  // GetTotalCapacity gets the total capacity in the cluster.
    25  func GetTotalCapacity(diskInfo []madmin.Disk) (capacity uint64) {
    26  	for _, disk := range diskInfo {
    27  		capacity += disk.TotalSpace
    28  	}
    29  	return
    30  }
    31  
    32  // GetTotalUsableCapacity gets the total usable capacity in the cluster.
    33  func GetTotalUsableCapacity(diskInfo []madmin.Disk, s StorageInfo) (capacity uint64) {
    34  	for _, disk := range diskInfo {
    35  		// Ignore invalid.
    36  		if disk.PoolIndex < 0 || len(s.Backend.StandardSCData) <= disk.PoolIndex {
    37  			// https://github.com/minio/minio/issues/16500
    38  			continue
    39  		}
    40  		// Ignore parity disks
    41  		if disk.DiskIndex < s.Backend.StandardSCData[disk.PoolIndex] {
    42  			capacity += disk.TotalSpace
    43  		}
    44  	}
    45  	return
    46  }
    47  
    48  // GetTotalCapacityFree gets the total capacity free in the cluster.
    49  func GetTotalCapacityFree(diskInfo []madmin.Disk) (capacity uint64) {
    50  	for _, d := range diskInfo {
    51  		capacity += d.AvailableSpace
    52  	}
    53  	return
    54  }
    55  
    56  // GetTotalUsableCapacityFree gets the total usable capacity free in the cluster.
    57  func GetTotalUsableCapacityFree(diskInfo []madmin.Disk, s StorageInfo) (capacity uint64) {
    58  	for _, disk := range diskInfo {
    59  		// Ignore invalid.
    60  		if disk.PoolIndex < 0 || len(s.Backend.StandardSCData) <= disk.PoolIndex {
    61  			// https://github.com/minio/minio/issues/16500
    62  			continue
    63  		}
    64  		// Ignore parity disks
    65  		if disk.DiskIndex < s.Backend.StandardSCData[disk.PoolIndex] {
    66  			capacity += disk.AvailableSpace
    67  		}
    68  	}
    69  	return
    70  }