Files
object-browser/restapi/admin_info.go
Lenin Alevski 0ba1e76400 centralize errors on a single error function (#266)
prepareError receives an array of errors and return *model.Error object
with a message and error code, we can extend this function to add more
error types/code
2020-09-04 20:32:57 -07:00

96 lines
3.0 KiB
Go

// This file is part of MinIO Console Server
// Copyright (c) 2020 MinIO, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package restapi
import (
"context"
"time"
"github.com/go-openapi/runtime/middleware"
"github.com/minio/console/models"
"github.com/minio/console/restapi/operations"
"github.com/minio/console/restapi/operations/admin_api"
)
func registerAdminInfoHandlers(api *operations.ConsoleAPI) {
// return usage stats
api.AdminAPIAdminInfoHandler = admin_api.AdminInfoHandlerFunc(func(params admin_api.AdminInfoParams, session *models.Principal) middleware.Responder {
infoResp, err := getAdminInfoResponse(session)
if err != nil {
return admin_api.NewAdminInfoDefault(int(err.Code)).WithPayload(err)
}
return admin_api.NewAdminInfoOK().WithPayload(infoResp)
})
}
type usageInfo struct {
Buckets int64
Objects int64
Usage int64
DisksUsage int64
}
// getAdminInfo invokes admin info and returns a parsed `usageInfo` structure
func getAdminInfo(ctx context.Context, client MinioAdmin) (*usageInfo, error) {
serverInfo, err := client.serverInfo(ctx)
if err != nil {
return nil, err
}
// we are trimming uint64 to int64 this will report an incorrect measurement for numbers greater than
// 9,223,372,036,854,775,807
var usedSpace int64
for _, serv := range serverInfo.Servers {
for _, disk := range serv.Disks {
usedSpace += int64(disk.UsedSpace)
}
}
return &usageInfo{
Buckets: int64(serverInfo.Buckets.Count),
Objects: int64(serverInfo.Objects.Count),
Usage: int64(serverInfo.Usage.Size),
DisksUsage: usedSpace,
}, nil
}
// getAdminInfoResponse returns the response containing total buckets, objects and usage.
func getAdminInfoResponse(session *models.Principal) (*models.AdminInfoResponse, *models.Error) {
mAdmin, err := newMAdminClient(session)
if err != nil {
return nil, prepareError(err)
}
// create a minioClient interface implementation
// defining the client to be used
adminClient := adminClient{client: mAdmin}
// 20 seconds timeout
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
// serialize output
usage, err := getAdminInfo(ctx, adminClient)
if err != nil {
return nil, prepareError(err)
}
sessionResp := &models.AdminInfoResponse{
Buckets: usage.Buckets,
Objects: usage.Objects,
Usage: usage.Usage,
}
return sessionResp, nil
}