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fe55dcb6a2
* test(providers): added capacity limits to blobtesting.mapStorage * refactor(general): added mutex map which dynamically allocates and releases named mutexes * refactor(repository): refactored cache cleanup and limit enforcement * refactor(repository): plumb through cache size limits in the repository * feat(cli): added CLI options to set cache size limits * unified flag setting and field naming * Update cli/command_cache_set.go Co-authored-by: Shikhar Mall <mall.shikhar.in@gmail.com> * pr feedback --------- Co-authored-by: Shikhar Mall <mall.shikhar.in@gmail.com>
109 lines
2.8 KiB
Go
109 lines
2.8 KiB
Go
package cli
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"time"
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"github.com/pkg/errors"
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"github.com/kopia/kopia/internal/units"
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"github.com/kopia/kopia/repo"
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"github.com/kopia/kopia/repo/content"
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)
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type commandCacheInfo struct {
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onlyShowPath bool
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svc appServices
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out textOutput
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}
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func (c *commandCacheInfo) setup(svc appServices, parent commandParent) {
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cmd := parent.Command("info", "Displays cache information and statistics")
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cmd.Flag("path", "Only display cache path").BoolVar(&c.onlyShowPath)
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cmd.Action(svc.repositoryReaderAction(c.run))
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c.svc = svc
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c.out.setup(svc)
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}
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func (c *commandCacheInfo) run(ctx context.Context, _ repo.Repository) error {
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opts, err := repo.GetCachingOptions(ctx, c.svc.repositoryConfigFileName())
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if err != nil {
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return errors.Wrap(err, "error getting cache options")
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}
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if c.onlyShowPath {
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c.out.printStdout("%v\n", opts.CacheDirectory)
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return nil
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}
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entries, err := os.ReadDir(opts.CacheDirectory)
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if err != nil {
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return errors.Wrap(err, "unable to scan cache directory")
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}
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path2SoftLimit := map[string]int64{
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"contents": opts.ContentCacheSizeBytes,
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"metadata": opts.MetadataCacheSizeBytes,
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"server-contents": opts.ContentCacheSizeBytes,
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}
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path2HardLimit := map[string]int64{
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"contents": opts.ContentCacheSizeLimitBytes,
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"metadata": opts.MetadataCacheSizeLimitBytes,
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"server-contents": opts.ContentCacheSizeLimitBytes,
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}
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path2SweepAgeSeconds := map[string]time.Duration{
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"contents": opts.MinContentSweepAge.DurationOrDefault(content.DefaultDataCacheSweepAge),
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"metadata": opts.MinMetadataSweepAge.DurationOrDefault(content.DefaultMetadataCacheSweepAge),
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"indexes": opts.MinIndexSweepAge.DurationOrDefault(content.DefaultIndexCacheSweepAge),
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"server-contents": opts.MinContentSweepAge.DurationOrDefault(content.DefaultDataCacheSweepAge),
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}
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for _, ent := range entries {
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if !ent.IsDir() {
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continue
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}
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subdir := filepath.Join(opts.CacheDirectory, ent.Name())
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fileCount, totalFileSize, err := scanCacheDir(subdir)
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if err != nil {
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return err
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}
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maybeLimit := ""
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if l, ok := path2SoftLimit[ent.Name()]; ok {
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var hardLimit string
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if hl := path2HardLimit[ent.Name()]; hl > 0 {
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hardLimit = units.BytesString(hl)
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} else {
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hardLimit = "none"
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}
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maybeLimit = fmt.Sprintf(" (soft limit: %v, hard limit: %v, min sweep age: %v)",
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units.BytesString(l),
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hardLimit,
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path2SweepAgeSeconds[ent.Name()])
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}
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if ent.Name() == "blob-list" {
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maybeLimit = fmt.Sprintf(" (duration: %v)", opts.MaxListCacheDuration.DurationOrDefault(0))
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}
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c.out.printStdout("%v: %v files %v%v\n", subdir, fileCount, units.BytesString(totalFileSize), maybeLimit)
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}
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c.out.printStderr("To adjust cache sizes use 'kopia cache set'.\n")
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c.out.printStderr("To clear caches use 'kopia cache clear'.\n")
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return nil
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}
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