2019-09-03 20:10:48 +02:00
|
|
|
/*
|
|
|
|
* 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 (
|
2020-03-20 23:00:44 +01:00
|
|
|
"context"
|
2019-09-03 20:10:48 +02:00
|
|
|
"encoding/json"
|
|
|
|
"net/http"
|
|
|
|
"net/url"
|
|
|
|
"strconv"
|
|
|
|
)
|
|
|
|
|
|
|
|
// LogInfo holds console log messages
|
|
|
|
type LogInfo struct {
|
2020-03-20 23:00:44 +01:00
|
|
|
logEntry
|
2019-09-22 10:24:32 +02:00
|
|
|
ConsoleMsg string
|
|
|
|
NodeName string `json:"node"`
|
|
|
|
Err error `json:"-"`
|
2019-09-03 20:10:48 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// GetLogs - listen on console log messages.
|
2020-03-20 23:00:44 +01:00
|
|
|
func (adm AdminClient) GetLogs(ctx context.Context, node string, lineCnt int, logKind string) <-chan LogInfo {
|
2019-09-03 20:10:48 +02:00
|
|
|
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))
|
2019-10-12 03:50:54 +02:00
|
|
|
urlValues.Set("logType", logKind)
|
2019-09-03 20:10:48 +02:00
|
|
|
for {
|
|
|
|
reqData := requestData{
|
2019-10-23 06:01:14 +02:00
|
|
|
relPath: adminAPIPrefix + "/log",
|
2019-09-03 20:10:48 +02:00
|
|
|
queryValues: urlValues,
|
|
|
|
}
|
|
|
|
// Execute GET to call log handler
|
2020-03-20 23:00:44 +01:00
|
|
|
resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
|
2019-09-03 20:10:48 +02:00
|
|
|
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 {
|
2020-03-20 23:00:44 +01:00
|
|
|
case <-ctx.Done():
|
2019-09-03 20:10:48 +02:00
|
|
|
return
|
|
|
|
case logCh <- info:
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}(logCh)
|
|
|
|
|
|
|
|
// Returns the log info channel, for caller to start reading from.
|
|
|
|
return logCh
|
|
|
|
}
|