92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
// This file is part of MinIO Console Server
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// Copyright (c) 2021 MinIO, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package restapi
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import (
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"context"
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"encoding/json"
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"strings"
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"time"
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"github.com/gorilla/websocket"
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"github.com/minio/madmin-go"
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)
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const logTimeFormat string = "15:04:05 MST 01/02/2006"
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// startConsoleLog starts log of the servers
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func startConsoleLog(ctx context.Context, conn WSConn, client MinioAdmin) error {
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// TODO: accept parameters as variables
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// name of node, default = "" (all)
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node := ""
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// number of log lines
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lineCount := 100
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// type of logs "minio"|"application"|"all" default = "all"
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logKind := "all"
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// Start listening on all Console Log activity.
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logCh := client.getLogs(ctx, node, lineCount, logKind)
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for {
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select {
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case <-ctx.Done():
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return nil
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case logInfo, ok := <-logCh:
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// zero value returned because the channel is closed and empty
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if !ok {
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return nil
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}
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if logInfo.Err != nil {
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LogError("error on console logs: %v", logInfo.Err)
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return logInfo.Err
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}
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// Serialize message to be sent
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bytes, err := json.Marshal(serializeConsoleLogInfo(&logInfo))
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if err != nil {
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LogError("error on json.Marshal: %v", err)
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return err
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}
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// Send Message through websocket connection
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err = conn.writeMessage(websocket.TextMessage, bytes)
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if err != nil {
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LogError("error writeMessage: %v", err)
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return err
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}
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}
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}
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}
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func serializeConsoleLogInfo(l *madmin.LogInfo) (logInfo madmin.LogInfo) {
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logInfo = *l
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if logInfo.ConsoleMsg != "" {
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logInfo.ConsoleMsg = strings.TrimPrefix(logInfo.ConsoleMsg, "\n")
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}
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if logInfo.Time != "" {
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logInfo.Time = getLogTime(logInfo.Time)
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}
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return logInfo
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}
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func getLogTime(lt string) string {
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tm, err := time.Parse(time.RFC3339Nano, lt)
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if err != nil {
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return lt
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}
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return tm.Format(logTimeFormat)
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}
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