mirror of
https://github.com/aquasecurity/trivy.git
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ac5f313129
* refactor: wrap errors * feat(db): add the metadata file * test(db): re-generate mocks * fix(app): read metadata from the file in showVersion * fix: open the database after downloading it * fix(operation): use UpdateMetadata * chore(mod): update dependency * test(integration): fix tests * fix(conf): rename TRIVY_NONSSL to TRIVY_NON_SSL
94 lines
2.4 KiB
Go
94 lines
2.4 KiB
Go
package operation
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import (
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"context"
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"os"
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"github.com/spf13/afero"
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"github.com/google/wire"
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"golang.org/x/xerrors"
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"github.com/aquasecurity/fanal/cache"
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"github.com/aquasecurity/trivy/pkg/db"
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"github.com/aquasecurity/trivy/pkg/log"
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"github.com/aquasecurity/trivy/pkg/utils"
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)
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var SuperSet = wire.NewSet(
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cache.NewFSCache,
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wire.Bind(new(cache.LocalImageCache), new(cache.FSCache)),
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NewCache,
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)
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type Cache struct {
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client cache.LocalImageCache
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}
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func NewCache(client cache.LocalImageCache) Cache {
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return Cache{client: client}
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}
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func (c Cache) Reset() (err error) {
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if err := c.ClearDB(); err != nil {
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return xerrors.Errorf("failed to clear the database: %w", err)
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}
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if err := c.ClearImages(); err != nil {
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return xerrors.Errorf("failed to clear the image cache: %w", err)
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}
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return nil
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}
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func (c Cache) ClearDB() (err error) {
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log.Logger.Info("Removing DB file...")
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if err = os.RemoveAll(utils.CacheDir()); err != nil {
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return xerrors.Errorf("failed to remove the directory (%s) : %w", utils.CacheDir(), err)
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}
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return nil
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}
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func (c Cache) ClearImages() error {
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log.Logger.Info("Removing image caches...")
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if err := c.client.Clear(); err != nil {
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return xerrors.Errorf("failed to remove the cache: %w", err)
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}
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return nil
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}
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func DownloadDB(appVersion, cacheDir string, quiet, light, skipUpdate bool) error {
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client := initializeDBClient(cacheDir, quiet)
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ctx := context.Background()
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needsUpdate, err := client.NeedsUpdate(appVersion, light, skipUpdate)
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if err != nil {
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return xerrors.Errorf("database error: %w", err)
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}
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if needsUpdate {
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log.Logger.Info("Need to update DB")
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log.Logger.Info("Downloading DB...")
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if err := client.Download(ctx, cacheDir, light); err != nil {
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return xerrors.Errorf("failed to download vulnerability DB: %w", err)
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}
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if err = client.UpdateMetadata(cacheDir); err != nil {
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return xerrors.Errorf("unable to update database metadata: %w", err)
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}
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}
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// for debug
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if err := showDBInfo(cacheDir); err != nil {
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return xerrors.Errorf("failed to show database info: %w", err)
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}
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return nil
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}
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func showDBInfo(cacheDir string) error {
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m := db.NewMetadata(afero.NewOsFs(), cacheDir)
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metadata, err := m.Get()
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if err != nil {
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return xerrors.Errorf("something wrong with DB: %w", err)
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}
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log.Logger.Debugf("DB Schema: %d, Type: %d, UpdatedAt: %s, NextUpdate: %s",
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metadata.Version, metadata.Type, metadata.UpdatedAt, metadata.NextUpdate)
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return nil
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}
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