mirror of https://github.com/goharbor/harbor.git
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
// Copyright Project Harbor Authors
|
|
//
|
|
// 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 audit
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"log/syslog"
|
|
"os"
|
|
|
|
"github.com/goharbor/harbor/src/lib/config"
|
|
"github.com/goharbor/harbor/src/lib/log"
|
|
)
|
|
|
|
// LogMgr manage the audit log forward operations
|
|
var LogMgr = &LoggerManager{}
|
|
|
|
// LoggerManager manage the operations related to the audit log
|
|
type LoggerManager struct {
|
|
endpoint string
|
|
initialized bool
|
|
remoteLogger *log.Logger
|
|
}
|
|
|
|
// Init redirect the audit log to the forward endpoint
|
|
func (a *LoggerManager) Init(_ context.Context, logEndpoint string) {
|
|
var w io.Writer
|
|
w, err := syslog.Dial("tcp", logEndpoint,
|
|
syslog.LOG_INFO, "audit")
|
|
a.initialized = true
|
|
if err != nil {
|
|
log.Errorf("failed to create audit log, error %v", err)
|
|
w = os.Stdout
|
|
a.initialized = false
|
|
}
|
|
a.remoteLogger = log.New(w, log.NewTextFormatter(), log.InfoLevel, 3)
|
|
a.remoteLogger.SetFallback(log.DefaultLogger())
|
|
}
|
|
|
|
// DefaultLogger ...
|
|
func (a *LoggerManager) DefaultLogger(ctx context.Context) *log.Logger {
|
|
endpoint := config.AuditLogForwardEndpoint(ctx)
|
|
if a.endpoint != endpoint {
|
|
a.Init(ctx, endpoint)
|
|
a.initialized = true
|
|
}
|
|
return a.remoteLogger
|
|
}
|
|
|
|
// CheckEndpointActive check the liveliness of the endpoint
|
|
func CheckEndpointActive(address string) bool {
|
|
al, err := syslog.Dial("tcp", address,
|
|
syslog.LOG_INFO, "audit")
|
|
if al != nil {
|
|
defer al.Close()
|
|
}
|
|
if err != nil {
|
|
log.Errorf("failed to connect to audit log endpoint, error %v", err)
|
|
return false
|
|
}
|
|
return true
|
|
}
|