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The prometheus metrics refractoring (#8003)

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The measures are consolidated to the following metrics

- `disk_storage_used` : Disk space used by the disk.
- `disk_storage_available`: Available disk space left on the disk.
- `disk_storage_total`: Total disk space on the disk.
- `disks_offline`: Total number of offline disks in current MinIO instance.
- `disks_total`: Total number of disks in current MinIO instance.
- `s3_requests_total`: Total number of s3 requests in current MinIO instance.
- `s3_errors_total`: Total number of errors in s3 requests in current MinIO instance.
- `s3_requests_current`: Total number of active s3 requests in current MinIO instance.
- `internode_rx_bytes_total`: Total number of internode bytes received by current MinIO server instance.
- `internode_tx_bytes_total`: Total number of bytes sent to the other nodes by current MinIO server instance.
- `s3_rx_bytes_total`: Total number of s3 bytes received by current MinIO server instance.
- `s3_tx_bytes_total`: Total number of s3 bytes sent by current MinIO server instance.
- `minio_version_info`: Current MinIO version with commit-id.
- `s3_ttfb_seconds_bucket`: Histogram that holds the latency information of the requests.

And this PR also modifies the current StorageInfo queries

- Decouples StorageInfo from ServerInfo .
- StorageInfo is enhanced to give endpoint information.

NOTE: ADMIN API VERSION IS BUMPED UP IN THIS PR

Fixes #7873
This commit is contained in:
Praveen raj Mani
2019-10-23 09:31:14 +05:30
committed by Harshavardhana
parent f01d53b20f
commit 8836d57e3c
49 changed files with 938 additions and 658 deletions
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11
cmd/xl-sets.go
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@@ -322,11 +322,12 @@ func (s *xlSets) StorageInfo(ctx context.Context) StorageInfo {
g.Wait()
for _, lstorageInfo := range storageInfos {
storageInfo.Used += lstorageInfo.Used
storageInfo.Total += lstorageInfo.Total
storageInfo.Available += lstorageInfo.Available
storageInfo.Backend.OnlineDisks += lstorageInfo.Backend.OnlineDisks
storageInfo.Backend.OfflineDisks += lstorageInfo.Backend.OfflineDisks
storageInfo.Used = append(storageInfo.Used, lstorageInfo.Used...)
storageInfo.Total = append(storageInfo.Total, lstorageInfo.Total...)
storageInfo.Available = append(storageInfo.Available, lstorageInfo.Available...)
storageInfo.MountPaths = append(storageInfo.MountPaths, lstorageInfo.MountPaths...)
storageInfo.Backend.OnlineDisks = storageInfo.Backend.OnlineDisks.Merge(lstorageInfo.Backend.OnlineDisks)
storageInfo.Backend.OfflineDisks = storageInfo.Backend.OfflineDisks.Merge(lstorageInfo.Backend.OfflineDisks)
}
scfg := globalServerConfig.GetStorageClass()