2018-07-25 20:56:14 +00:00
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// +build !windows
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/*
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Copyright 2018 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"io/ioutil"
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"log/syslog"
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"os"
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2019-02-10 01:43:59 +00:00
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"github.com/gravitational/trace"
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2018-07-25 20:56:14 +00:00
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log "github.com/sirupsen/logrus"
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logrusSyslog "github.com/sirupsen/logrus/hooks/syslog"
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)
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// SwitchLoggingtoSyslog tells the logger to send the output to syslog. This
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// code is behind a build flag because Windows does not support syslog.
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2019-02-10 01:43:59 +00:00
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func SwitchLoggingtoSyslog() error {
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2018-07-25 20:56:14 +00:00
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log.StandardLogger().SetHooks(make(log.LevelHooks))
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hook, err := logrusSyslog.NewSyslogHook("", "", syslog.LOG_WARNING, "")
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if err != nil {
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2019-02-10 01:43:59 +00:00
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// syslog is not available
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2018-07-25 20:56:14 +00:00
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log.SetOutput(os.Stderr)
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2019-02-10 01:43:59 +00:00
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return trace.Wrap(err)
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2018-07-25 20:56:14 +00:00
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}
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2019-02-10 01:43:59 +00:00
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log.AddHook(hook)
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// ... and disable stderr:
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log.SetOutput(ioutil.Discard)
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return nil
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2018-07-25 20:56:14 +00:00
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}
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