67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package log
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import (
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"bytes"
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"os"
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"github.com/sirupsen/logrus"
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)
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// New returns a new logrus logger with the specified level,
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// or an error if that level can't be parsed. It also sets
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// the output to log.outputSplitter, so you get error logs
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// on stderr and normal logs on stdout.
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func New(level string) (*logrus.Logger, error) {
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log := logrus.New()
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log.SetOutput(&outputSplitter{})
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logLevel, err := logrus.ParseLevel(level)
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if err != nil {
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return nil, err
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}
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log.SetLevel(logLevel)
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if logLevel == logrus.TraceLevel {
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log.SetReportCaller(true)
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}
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log.SetFormatter(&logrus.TextFormatter{
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DisableColors: true,
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ForceQuote: true,
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FullTimestamp: true,
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})
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return log, nil
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}
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// outputSplitter implements the io.Writer interface for use with Logrus, and simply
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// splits logs between stdout and stderr depending on their severity.
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// See: https://github.com/sirupsen/logrus/issues/403#issuecomment-346437512
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type outputSplitter struct{}
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func (splitter *outputSplitter) Write(p []byte) (n int, err error) {
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if bytes.Contains(p, []byte("level=error")) {
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return os.Stderr.Write(p)
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}
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return os.Stdout.Write(p)
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}
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