Ekaterina Lebedeva
8a81af5a3b
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Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>
46 lines
936 B
Go
46 lines
936 B
Go
package meta
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import (
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"context"
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
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)
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// SetMode sets the metabase mode of operation.
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// If the mode assumes no operation metabase, the database is closed.
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func (db *DB) SetMode(m mode.Mode) error {
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db.modeMtx.Lock()
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defer db.modeMtx.Unlock()
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if db.mode == m {
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return nil
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}
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if !db.mode.NoMetabase() {
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if err := db.Close(); err != nil {
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return fmt.Errorf("can't set metabase mode (old=%s, new=%s): %w", db.mode, m, err)
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}
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}
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var err error
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switch {
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case m.NoMetabase():
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db.boltDB = nil
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case m.ReadOnly():
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err = db.Open(context.TODO(), true)
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default:
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err = db.Open(context.TODO(), false)
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}
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if err == nil && !m.NoMetabase() && !m.ReadOnly() {
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err = db.Init()
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}
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if err != nil {
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return fmt.Errorf("can't set metabase mode (old=%s, new=%s): %w", db.mode, m, err)
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}
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db.mode = m
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db.metrics.SetMode(m)
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return nil
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}
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