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mc/cmd/admin-heal-result-item.go

118 lines
2.9 KiB
Go

/*
* MinIO Client (C) 2018 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"fmt"
"github.com/minio/minio/pkg/madmin"
)
type hri struct {
*madmin.HealResultItem
}
func newHRI(i *madmin.HealResultItem) *hri {
return &hri{i}
}
// getObjectHCCChange - returns before and after color change for
// objects
func (h hri) getObjectHCCChange() (b, a col, err error) {
parityShards := h.ParityBlocks
dataShards := h.DataBlocks
onlineBefore, onlineAfter := h.GetOnlineCounts()
surplusShardsBeforeHeal := onlineBefore - dataShards
surplusShardsAfterHeal := onlineAfter - dataShards
b, err = getHColCode(surplusShardsBeforeHeal, parityShards)
if err != nil {
return
}
a, err = getHColCode(surplusShardsAfterHeal, parityShards)
return
}
// getReplicatedFileHCCChange - fetches health color code for metadata
// files that are replicated.
func (h hri) getReplicatedFileHCCChange() (b, a col, err error) {
getColCode := func(numAvail int) (c col, err error) {
// calculate color code for replicated object similar
// to erasure coded objects
quorum := h.DiskCount/h.SetCount/2 + 1
surplus := numAvail/h.SetCount - quorum
parity := h.DiskCount/h.SetCount - quorum
c, err = getHColCode(surplus, parity)
return
}
onlineBefore, onlineAfter := h.GetOnlineCounts()
b, err = getColCode(onlineBefore)
if err != nil {
return
}
a, err = getColCode(onlineAfter)
return
}
func (h hri) makeHealEntityString() string {
switch h.Type {
case madmin.HealItemObject:
return h.Bucket + "/" + h.Object
case madmin.HealItemBucket:
return h.Bucket
case madmin.HealItemMetadata:
return "[disk-format]"
case madmin.HealItemBucketMetadata:
return fmt.Sprintf("[bucket-metadata]%s/%s", h.Bucket, h.Object)
}
return "** unexpected **"
}
func (h hri) getHRTypeAndName() (typ, name string) {
name = fmt.Sprintf("%s/%s", h.Bucket, h.Object)
switch h.Type {
case madmin.HealItemMetadata:
typ = "system"
name = h.Detail
case madmin.HealItemBucketMetadata:
typ = "system"
name = "bucket-metadata:" + name
case madmin.HealItemBucket:
typ = "bucket"
case madmin.HealItemObject:
typ = "object"
default:
typ = fmt.Sprintf("!! Unknown heal result record %#v !!", h)
name = typ
}
return
}
func (h hri) getHealResultStr() string {
typ, name := h.getHRTypeAndName()
switch h.Type {
case madmin.HealItemMetadata, madmin.HealItemBucketMetadata:
return typ + ":" + name
default:
return name
}
}