2016-12-20 17:45:17 -05:00
|
|
|
/*
|
|
|
|
* Minio Cloud Storage, (C) 2016 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 (
|
2017-01-17 17:25:59 -05:00
|
|
|
"bytes"
|
2016-12-20 17:45:17 -05:00
|
|
|
"encoding/json"
|
2017-01-17 17:25:59 -05:00
|
|
|
"encoding/xml"
|
2016-12-20 17:45:17 -05:00
|
|
|
"errors"
|
|
|
|
"io/ioutil"
|
|
|
|
"net/http"
|
|
|
|
"net/url"
|
|
|
|
)
|
|
|
|
|
|
|
|
// BackendType - represents different backend types.
|
|
|
|
type BackendType int
|
|
|
|
|
|
|
|
// Enum for different backend types.
|
|
|
|
const (
|
|
|
|
Unknown BackendType = iota
|
|
|
|
// Filesystem backend.
|
|
|
|
FS
|
2016-12-20 21:49:48 -05:00
|
|
|
// Multi disk XL (single, distributed) backend.
|
2016-12-20 17:45:17 -05:00
|
|
|
XL
|
2016-12-20 21:49:48 -05:00
|
|
|
|
2016-12-20 17:45:17 -05:00
|
|
|
// Add your own backend.
|
|
|
|
)
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
// StorageInfo - represents total capacity of underlying storage.
|
|
|
|
type StorageInfo struct {
|
2016-12-20 17:45:17 -05:00
|
|
|
// Total disk space.
|
|
|
|
Total int64
|
|
|
|
// Free available disk space.
|
|
|
|
Free int64
|
|
|
|
// Backend type.
|
|
|
|
Backend struct {
|
|
|
|
// Represents various backend types, currently on FS and XL.
|
|
|
|
Type BackendType
|
2016-12-20 21:49:48 -05:00
|
|
|
|
2016-12-20 17:45:17 -05:00
|
|
|
// Following fields are only meaningful if BackendType is XL.
|
|
|
|
OnlineDisks int // Online disks during server startup.
|
|
|
|
OfflineDisks int // Offline disks during server startup.
|
|
|
|
ReadQuorum int // Minimum disks required for successful read operations.
|
|
|
|
WriteQuorum int // Minimum disks required for successful write operations.
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
// ServerVersion - server version
|
|
|
|
type ServerVersion struct {
|
|
|
|
Version string `json:"version"`
|
|
|
|
CommitID string `json:"commitID"`
|
|
|
|
}
|
|
|
|
|
|
|
|
// ServiceStatusMetadata - contains the response of service status API
|
|
|
|
type ServiceStatusMetadata struct {
|
|
|
|
StorageInfo StorageInfo `json:"storageInfo"`
|
|
|
|
ServerVersion ServerVersion `json:"serverVersion"`
|
|
|
|
}
|
|
|
|
|
2016-12-20 17:45:17 -05:00
|
|
|
// ServiceStatus - Connect to a minio server and call Service Status Management API
|
|
|
|
// to fetch server's storage information represented by ServiceStatusMetadata structure
|
|
|
|
func (adm *AdminClient) ServiceStatus() (ServiceStatusMetadata, error) {
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
// Prepare web service request
|
2016-12-20 17:45:17 -05:00
|
|
|
reqData := requestData{}
|
|
|
|
reqData.queryValues = make(url.Values)
|
|
|
|
reqData.queryValues.Set("service", "")
|
|
|
|
reqData.customHeaders = make(http.Header)
|
|
|
|
reqData.customHeaders.Set(minioAdminOpHeader, "status")
|
|
|
|
|
|
|
|
// Execute GET on bucket to list objects.
|
2016-12-20 21:49:48 -05:00
|
|
|
resp, err := adm.executeMethod("GET", reqData)
|
2016-12-20 17:45:17 -05:00
|
|
|
defer closeResponse(resp)
|
|
|
|
if err != nil {
|
|
|
|
return ServiceStatusMetadata{}, err
|
|
|
|
}
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
// Check response http status code
|
2016-12-20 17:45:17 -05:00
|
|
|
if resp.StatusCode != http.StatusOK {
|
2017-01-25 19:01:29 -05:00
|
|
|
return ServiceStatusMetadata{}, httpRespToErrorResponse(resp)
|
2016-12-20 17:45:17 -05:00
|
|
|
}
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
// Unmarshal the server's json response
|
|
|
|
var serviceStatus ServiceStatusMetadata
|
|
|
|
|
2016-12-20 17:45:17 -05:00
|
|
|
respBytes, err := ioutil.ReadAll(resp.Body)
|
|
|
|
if err != nil {
|
|
|
|
return ServiceStatusMetadata{}, err
|
|
|
|
}
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
err = json.Unmarshal(respBytes, &serviceStatus)
|
2016-12-20 17:45:17 -05:00
|
|
|
if err != nil {
|
|
|
|
return ServiceStatusMetadata{}, err
|
|
|
|
}
|
|
|
|
|
2017-01-23 11:56:06 -05:00
|
|
|
return serviceStatus, nil
|
2016-12-20 17:45:17 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
// ServiceRestart - Call Service Restart API to restart a specified Minio server
|
|
|
|
func (adm *AdminClient) ServiceRestart() error {
|
|
|
|
//
|
|
|
|
reqData := requestData{}
|
|
|
|
reqData.queryValues = make(url.Values)
|
|
|
|
reqData.queryValues.Set("service", "")
|
|
|
|
reqData.customHeaders = make(http.Header)
|
|
|
|
reqData.customHeaders.Set(minioAdminOpHeader, "restart")
|
|
|
|
|
|
|
|
// Execute GET on bucket to list objects.
|
2016-12-20 21:49:48 -05:00
|
|
|
resp, err := adm.executeMethod("POST", reqData)
|
2016-12-20 17:45:17 -05:00
|
|
|
|
|
|
|
defer closeResponse(resp)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
2017-01-25 19:01:29 -05:00
|
|
|
return httpRespToErrorResponse(resp)
|
2016-12-20 17:45:17 -05:00
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
2017-01-17 17:25:59 -05:00
|
|
|
|
|
|
|
// setCredsReq - xml to send to the server to set new credentials
|
|
|
|
type setCredsReq struct {
|
|
|
|
Username string `xml:"username"`
|
|
|
|
Password string `xml:"password"`
|
|
|
|
}
|
|
|
|
|
|
|
|
// ServiceSetCredentials - Call Service Set Credentials API to set new access and secret keys in the specified Minio server
|
|
|
|
func (adm *AdminClient) ServiceSetCredentials(access, secret string) error {
|
|
|
|
|
|
|
|
// Disallow sending with the server if the connection is not secure
|
|
|
|
if !adm.secure {
|
|
|
|
return errors.New("setting new credentials requires HTTPS connection to the server")
|
|
|
|
}
|
|
|
|
|
|
|
|
// Setup new request
|
|
|
|
reqData := requestData{}
|
|
|
|
reqData.queryValues = make(url.Values)
|
|
|
|
reqData.queryValues.Set("service", "")
|
|
|
|
reqData.customHeaders = make(http.Header)
|
|
|
|
reqData.customHeaders.Set(minioAdminOpHeader, "set-credentials")
|
|
|
|
|
|
|
|
// Setup request's body
|
|
|
|
body, err := xml.Marshal(setCredsReq{Username: access, Password: secret})
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
reqData.contentBody = bytes.NewReader(body)
|
|
|
|
reqData.contentLength = int64(len(body))
|
|
|
|
reqData.contentMD5Bytes = sumMD5(body)
|
|
|
|
reqData.contentSHA256Bytes = sum256(body)
|
|
|
|
|
|
|
|
// Execute GET on bucket to list objects.
|
|
|
|
resp, err := adm.executeMethod("POST", reqData)
|
|
|
|
|
|
|
|
defer closeResponse(resp)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
// Return error to the caller if http response code is different from 200
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
|
|
return httpRespToErrorResponse(resp)
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|