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metrics: Use StorageInfo() instead to have consistent info (#9006)

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Metrics used to have its own code to calculate offline disks.
StorageInfo() was avoided because it is an expensive operation
by sending calls to all nodes.

To make metrics & server info share the same code, a new
argument `local` is added to StorageInfo() so it will only
query local disks when needed.

Metrics now calls StorageInfo() as server info handler does
but with the local flag set to false.

Co-authored-by: Praveen raj Mani <praveen@minio.io>
Co-authored-by: Harshavardhana <harsha@minio.io>
This commit is contained in:
Anis Elleuch
2020-02-20 04:51:33 +01:00
committed by GitHub
parent 02a59a04d1
commit d4dcf1d722
19 changed files with 89 additions and 106 deletions
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cmd/admin-handlers.go
+3 -3
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@@ -276,7 +276,7 @@ func (a adminAPIHandlers) StorageInfoHandler(w http.ResponseWriter, r *http.Requ
return
}
storageInfo := objectAPI.StorageInfo(ctx)
storageInfo := objectAPI.StorageInfo(ctx, false)
// Marshal API response
jsonBytes, err := json.Marshal(storageInfo)
@@ -897,7 +897,7 @@ func (a adminAPIHandlers) HealHandler(w http.ResponseWriter, r *http.Request) {
}
// find number of disks in the setup
info := objectAPI.StorageInfo(ctx)
info := objectAPI.StorageInfo(ctx, false)
numDisks := info.Backend.OfflineDisks.Sum() + info.Backend.OnlineDisks.Sum()
healPath := pathJoin(hip.bucket, hip.objPrefix)
@@ -1410,7 +1410,7 @@ func (a adminAPIHandlers) ServerInfoHandler(w http.ResponseWriter, r *http.Reque
notifyTarget := fetchLambdaInfo(cfg)
// Fetching the Storage information
storageInfo := objectAPI.StorageInfo(ctx)
storageInfo := objectAPI.StorageInfo(ctx, false)
var OnDisks int
var OffDisks int