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Copy pathinfo-commands.go
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149 lines (127 loc) · 4.68 KB
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/*
* 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.
*
*/
package madmin
import (
"encoding/json"
"io/ioutil"
"net/http"
"time"
)
// BackendType - represents different backend types.
type BackendType int
// Enum for different backend types.
const (
Unknown BackendType = iota
// Filesystem backend.
FS
// Multi disk Erasure (single, distributed) backend.
Erasure
// Add your own backend.
)
// DriveInfo - represents each drive info, describing
// status, uuid and endpoint.
type DriveInfo HealDriveInfo
// StorageInfo - represents total capacity of underlying storage.
type StorageInfo struct {
Used uint64 // Total used spaced per tenant.
// Backend type.
Backend struct {
// Represents various backend types, currently on FS and Erasure.
Type BackendType
// Following fields are only meaningful if BackendType is Erasure.
OnlineDisks int // Online disks during server startup.
OfflineDisks int // Offline disks during server startup.
StandardSCData int // Data disks for currently configured Standard storage class.
StandardSCParity int // Parity disks for currently configured Standard storage class.
RRSCData int // Data disks for currently configured Reduced Redundancy storage class.
RRSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
// List of all disk status, this is only meaningful if BackendType is Erasure.
Sets [][]DriveInfo
}
}
// ServerProperties holds some of the server's information such as uptime,
// version, region, ..
type ServerProperties struct {
Uptime time.Duration `json:"uptime"`
Version string `json:"version"`
CommitID string `json:"commitID"`
Region string `json:"region"`
SQSARN []string `json:"sqsARN"`
}
// ServerConnStats holds network information
type ServerConnStats struct {
TotalInputBytes uint64 `json:"transferred"`
TotalOutputBytes uint64 `json:"received"`
}
// ServerHTTPMethodStats holds total number of HTTP operations from/to the server,
// including the average duration the call was spent.
type ServerHTTPMethodStats struct {
Count uint64 `json:"count"`
AvgDuration string `json:"avgDuration"`
}
// ServerHTTPStats holds all type of http operations performed to/from the server
// including their average execution time.
type ServerHTTPStats struct {
TotalHEADStats ServerHTTPMethodStats `json:"totalHEADs"`
SuccessHEADStats ServerHTTPMethodStats `json:"successHEADs"`
TotalGETStats ServerHTTPMethodStats `json:"totalGETs"`
SuccessGETStats ServerHTTPMethodStats `json:"successGETs"`
TotalPUTStats ServerHTTPMethodStats `json:"totalPUTs"`
SuccessPUTStats ServerHTTPMethodStats `json:"successPUTs"`
TotalPOSTStats ServerHTTPMethodStats `json:"totalPOSTs"`
SuccessPOSTStats ServerHTTPMethodStats `json:"successPOSTs"`
TotalDELETEStats ServerHTTPMethodStats `json:"totalDELETEs"`
SuccessDELETEStats ServerHTTPMethodStats `json:"successDELETEs"`
}
// ServerInfoData holds storage, connections and other
// information of a given server
type ServerInfoData struct {
StorageInfo StorageInfo `json:"storage"`
ConnStats ServerConnStats `json:"network"`
HTTPStats ServerHTTPStats `json:"http"`
Properties ServerProperties `json:"server"`
}
// ServerInfo holds server information result of one node
type ServerInfo struct {
Error string `json:"error"`
Addr string `json:"addr"`
Data *ServerInfoData `json:"data"`
}
// ServerInfo - Connect to a minio server and call Server Info Management API
// to fetch server's information represented by ServerInfo structure
func (adm *AdminClient) ServerInfo() ([]ServerInfo, error) {
resp, err := adm.executeMethod("GET", requestData{relPath: "/v1/info"})
defer closeResponse(resp)
if err != nil {
return nil, err
}
// Check response http status code
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp)
}
// Unmarshal the server's json response
var serversInfo []ServerInfo
respBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
err = json.Unmarshal(respBytes, &serversInfo)
if err != nil {
return nil, err
}
return serversInfo, nil
}