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728c4a5e38* start implementing trimming hook * add test with very long test * test syslog w/ unix socket + long (trimmed) msg * trim long entries with trimhook * trim to 1700 chars instead
53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 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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"github.com/sirupsen/logrus"
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)
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// trimHook is a wrapper round a logrus hook that trims the *entry.Message
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// to no more than 1700 characters before sending it through to the wrapped hook,
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// to avoid spamming syslog with messages that are too long for it.
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type trimHook struct {
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wrappedHook logrus.Hook
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}
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func (t *trimHook) Fire(e *logrus.Entry) error {
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// only copy/truncate if we need to
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if len(e.Message) < 1700 {
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return t.wrappedHook.Fire(e)
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}
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// it's too long, truncate + fire a copy of the entry so we don't meddle with the original
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return t.wrappedHook.Fire(&logrus.Entry{
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Logger: e.Logger,
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Data: e.Data,
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Time: e.Time,
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Level: e.Level,
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Caller: e.Caller,
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Message: e.Message[:1696] + "...", // truncate
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Buffer: e.Buffer,
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Context: e.Context,
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})
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}
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func (t *trimHook) Levels() []logrus.Level {
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return t.wrappedHook.Levels()
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}
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