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// This file is part of MinIO Console Server
// Copyright (c) 2021 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"
"encoding/json"
"net/http"
"time"
"errors"
"github.com/gorilla/websocket"
madmin "github.com/minio/madmin-go"
)
// startHealthInfo starts fetching mc.ServerHealthInfo and
// sends messages with the corresponding data on the websocket connection
func startHealthInfo(ctx context.Context, conn WSConn, client MinioAdmin, deadline *time.Duration) error {
if deadline == nil {
return errors.New("duration can't be nil on startHealthInfo")
}
// Fetch info of all servers (cluster or single server)
healthDataTypes := []madmin.HealthDataType{
madmin.HealthDataTypePerfDrive,
madmin.HealthDataTypePerfNet,
madmin.HealthDataTypeMinioInfo,
madmin.HealthDataTypeMinioConfig,
madmin.HealthDataTypeSysCPU,
madmin.HealthDataTypeSysDriveHw,
madmin.HealthDataTypeSysDocker,
madmin.HealthDataTypeSysOsInfo,
madmin.HealthDataTypeSysLoad,
madmin.HealthDataTypeSysMem,
madmin.HealthDataTypeSysNet,
madmin.HealthDataTypeSysProcess,
}
healthInfo, _, err := client.serverHealthInfo(ctx, healthDataTypes, *deadline)
if err != nil {
return err
}
// Serialize message to be sent
bytes, err := json.Marshal(healthInfo)
if err != nil {
return err
}
// Send Message through websocket connection
return conn.writeMessage(websocket.TextMessage, bytes)
}
// getHealthInfoOptionsFromReq gets duration for startHealthInfo request
// path come as : `/health-info?deadline=2h`
func getHealthInfoOptionsFromReq(req *http.Request) (*time.Duration, error) {
deadlineDuration, err := time.ParseDuration(req.FormValue("deadline"))
if err != nil {
return nil, err
}
return &deadlineDuration, nil
}
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