mirror of
https://github.com/gravitational/teleport.git
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rosstimothy
05be924ae0
This only converts the places in the utils package that were logging with logrus, but it does not fully remove the logrus package as a dependency. The package is home to the logrus text formatter which needs to exist until slog is the only logging mechanism in use.
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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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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*
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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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*
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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 utils
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import (
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"context"
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"log/slog"
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"os"
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"path/filepath"
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"strings"
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"github.com/gravitational/trace"
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)
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// TryReadValueAsFile is a utility function to read a value
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// from the disk if it looks like an absolute path,
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// otherwise, treat it as a value.
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// It only support absolute paths to avoid ambiguity in interpretation of the value
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func TryReadValueAsFile(value string) (string, error) {
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if !filepath.IsAbs(value) {
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return value, nil
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}
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// treat it as an absolute filepath
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contents, err := os.ReadFile(value)
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if err != nil {
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return "", trace.ConvertSystemError(err)
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}
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// trim newlines as tokens in files tend to have newlines
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out := strings.TrimSpace(string(contents))
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if out == "" {
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slog.WarnContext(context.Background(), "Empty config value file", "file", value)
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}
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return out, nil
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}
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