fix: heal multiple buckets in bulk (#11029)

makes server startup, orders of magnitude
faster with large number of buckets

pkg/madmin/examples/heal-buckets-list.go

@@ -1,61 +0,0 @@
-// +build ignore
-
-package main
-
-/*
- * MinIO Cloud Storage, (C) 2017 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.
- *
- */
-
-import (
-	"context"
-	"fmt"
-	"log"
-
-	"github.com/minio/minio/pkg/madmin"
-)
-
-func main() {
-
-	// Note: YOUR-ACCESSKEYID, YOUR-SECRETACCESSKEY are
-	// dummy values, please replace them with original values.
-
-	// API requests are secure (HTTPS) if secure=true and insecure (HTTP) otherwise.
-	// New returns an MinIO Admin client object.
-	madmClnt, err := madmin.New("your-minio.example.com:9000", "YOUR-ACCESSKEYID", "YOUR-SECRETACCESSKEY", true)
-	if err != nil {
-		log.Fatalln(err)
-	}
-
-	// List buckets that need healing
-	healBucketsList, err := madmClnt.ListBucketsHeal(context.Background())
-	if err != nil {
-		log.Fatalln(err)
-	}
-
-	for _, bucket := range healBucketsList {
-		if bucket.HealBucketInfo != nil {
-			switch healInfo := *bucket.HealBucketInfo; healInfo.Status {
-			case madmin.CanHeal:
-				fmt.Println(bucket.Name, " can be healed.")
-			case madmin.QuorumUnavailable:
-				fmt.Println(bucket.Name, " can't be healed until quorum is available.")
-			case madmin.Corrupted:
-				fmt.Println(bucket.Name, " can't be healed, not enough information.")
-			}
-		}
-		fmt.Println("bucket: ", bucket)
-	}
-}