mirror of https://github.com/minio/minio.git
142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package madmin
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import (
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"encoding/json"
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"errors"
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"io/ioutil"
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"net/http"
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"net/url"
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)
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// BackendType - represents different backend types.
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type BackendType int
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// Enum for different backend types.
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const (
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Unknown BackendType = iota
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// Filesystem backend.
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FS
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// Multi disk single node XL backend.
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XL
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// Add your own backend.
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)
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// ServiceStatusMetadata - represents total capacity of underlying storage.
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type ServiceStatusMetadata struct {
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// Total disk space.
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Total int64
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// Free available disk space.
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Free int64
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// Backend type.
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Backend struct {
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// Represents various backend types, currently on FS and XL.
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Type BackendType
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// Following fields are only meaningful if BackendType is XL.
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OnlineDisks int // Online disks during server startup.
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OfflineDisks int // Offline disks during server startup.
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ReadQuorum int // Minimum disks required for successful read operations.
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WriteQuorum int // Minimum disks required for successful write operations.
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}
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}
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// ServiceStatus - Connect to a minio server and call Service Status Management API
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// to fetch server's storage information represented by ServiceStatusMetadata structure
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func (adm *AdminClient) ServiceStatus() (ServiceStatusMetadata, error) {
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reqData := requestData{}
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reqData.queryValues = make(url.Values)
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reqData.queryValues.Set("service", "")
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reqData.customHeaders = make(http.Header)
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reqData.customHeaders.Set(minioAdminOpHeader, "status")
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// Execute GET on bucket to list objects.
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resp, err := adm.client.executeMethod("GET", reqData)
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defer closeResponse(resp)
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if err != nil {
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return ServiceStatusMetadata{}, err
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}
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if resp.StatusCode != http.StatusOK {
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return ServiceStatusMetadata{}, errors.New("Got " + resp.Status)
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}
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return ServiceStatusMetadata{}, err
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}
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var storageInfo ServiceStatusMetadata
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err = json.Unmarshal(respBytes, &storageInfo)
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if err != nil {
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return ServiceStatusMetadata{}, err
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}
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return storageInfo, nil
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}
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// ServiceStop - Call Service Stop Management API to stop a specified Minio server
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func (adm *AdminClient) ServiceStop() error {
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//
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reqData := requestData{}
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reqData.queryValues = make(url.Values)
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reqData.queryValues.Set("service", "")
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reqData.customHeaders = make(http.Header)
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reqData.customHeaders.Set(minioAdminOpHeader, "stop")
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// Execute GET on bucket to list objects.
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resp, err := adm.client.executeMethod("POST", reqData)
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defer closeResponse(resp)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return errors.New("Got " + resp.Status)
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}
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return nil
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}
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// ServiceRestart - Call Service Restart API to restart a specified Minio server
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func (adm *AdminClient) ServiceRestart() error {
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//
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reqData := requestData{}
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reqData.queryValues = make(url.Values)
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reqData.queryValues.Set("service", "")
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reqData.customHeaders = make(http.Header)
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reqData.customHeaders.Set(minioAdminOpHeader, "restart")
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// Execute GET on bucket to list objects.
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resp, err := adm.client.executeMethod("POST", reqData)
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defer closeResponse(resp)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return errors.New("Got " + resp.Status)
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}
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return nil
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}
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