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ae062151cd
* RemoveTmpDirs function to tsdbutil * Refactor db to use RemoveTmpDirs and no longer cleanup checkpoint tmp dirs * Use RemoveTmpDirs in wlog checkpoint to cleanup all checkpoint tmp folders * Add tests for RemoveTmpDirs * Ensure db.Open will still cleanup extra temporary checkpoints Signed-off-by: Kyle Eckhart <kgeckhart@users.noreply.github.com>
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
// Copyright 2018 The Prometheus Authors
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package tsdbutil
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import (
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"io/fs"
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"log/slog"
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"os"
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"path/filepath"
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)
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// RemoveTmpDirs attempts to remove directories in the specified directory which match the isTmpDir predicate.
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// Errors encountered during reading the directory that other than non-existence are returned. All other errors
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// encountered during removal of tmp directories are logged but do not cause early termination.
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func RemoveTmpDirs(l *slog.Logger, dir string, isTmpDir func(fi fs.DirEntry) bool) error {
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files, err := os.ReadDir(dir)
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if os.IsNotExist(err) {
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return nil
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}
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if err != nil {
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return err
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}
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for _, f := range files {
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if isTmpDir(f) {
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if err := os.RemoveAll(filepath.Join(dir, f.Name())); err != nil {
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l.Error("failed to delete tmp dir", "dir", filepath.Join(dir, f.Name()), "err", err)
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continue
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}
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l.Info("Found and deleted tmp dir", "dir", filepath.Join(dir, f.Name()))
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}
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}
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return nil
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}
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