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82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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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 madmin
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import (
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"context"
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"encoding/json"
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"net/http"
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"net/url"
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"strconv"
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)
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// LogInfo holds console log messages
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type LogInfo struct {
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logEntry
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ConsoleMsg string
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NodeName string `json:"node"`
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Err error `json:"-"`
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}
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// GetLogs - listen on console log messages.
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func (adm AdminClient) GetLogs(ctx context.Context, node string, lineCnt int, logKind string) <-chan LogInfo {
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logCh := make(chan LogInfo, 1)
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// Only success, start a routine to start reading line by line.
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go func(logCh chan<- LogInfo) {
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defer close(logCh)
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urlValues := make(url.Values)
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urlValues.Set("node", node)
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urlValues.Set("limit", strconv.Itoa(lineCnt))
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urlValues.Set("logType", logKind)
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for {
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reqData := requestData{
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relPath: adminAPIPrefix + "/log",
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queryValues: urlValues,
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}
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// Execute GET to call log handler
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resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
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if err != nil {
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closeResponse(resp)
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return
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}
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if resp.StatusCode != http.StatusOK {
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logCh <- LogInfo{Err: httpRespToErrorResponse(resp)}
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return
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}
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dec := json.NewDecoder(resp.Body)
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for {
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var info LogInfo
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if err = dec.Decode(&info); err != nil {
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break
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}
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select {
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case <-ctx.Done():
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return
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case logCh <- info:
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}
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}
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}
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}(logCh)
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// Returns the log info channel, for caller to start reading from.
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return logCh
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}
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