mirror of
https://github.com/minio/minio.git
synced 2024-12-27 07:35:55 -05:00
87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package madmin
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"net/url"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/minio/minio/cmd/logger/message/log"
|
|
)
|
|
|
|
// LogInfo holds console log messages
|
|
type LogInfo struct {
|
|
log.Entry
|
|
ConsoleMsg string
|
|
NodeName string `json:"node"`
|
|
Err error `json:"-"`
|
|
}
|
|
|
|
// SendLog returns true if log pertains to node specified in args.
|
|
func (l LogInfo) SendLog(node string) bool {
|
|
return node == "" || strings.EqualFold(node, l.NodeName)
|
|
}
|
|
|
|
// GetLogs - listen on console log messages.
|
|
func (adm AdminClient) GetLogs(node string, lineCnt int, doneCh <-chan struct{}) <-chan LogInfo {
|
|
logCh := make(chan LogInfo, 1)
|
|
|
|
// Only success, start a routine to start reading line by line.
|
|
go func(logCh chan<- LogInfo) {
|
|
defer close(logCh)
|
|
urlValues := make(url.Values)
|
|
urlValues.Set("node", node)
|
|
urlValues.Set("limit", strconv.Itoa(lineCnt))
|
|
for {
|
|
reqData := requestData{
|
|
relPath: "/v1/log",
|
|
queryValues: urlValues,
|
|
}
|
|
// Execute GET to call log handler
|
|
resp, err := adm.executeMethod("GET", reqData)
|
|
if err != nil {
|
|
closeResponse(resp)
|
|
return
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
logCh <- LogInfo{Err: httpRespToErrorResponse(resp)}
|
|
return
|
|
}
|
|
dec := json.NewDecoder(resp.Body)
|
|
for {
|
|
var info LogInfo
|
|
if err = dec.Decode(&info); err != nil {
|
|
break
|
|
}
|
|
select {
|
|
case <-doneCh:
|
|
return
|
|
case logCh <- info:
|
|
}
|
|
}
|
|
|
|
}
|
|
}(logCh)
|
|
|
|
// Returns the log info channel, for caller to start reading from.
|
|
return logCh
|
|
}
|