117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
package bolt
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import (
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"github.com/boltdb/bolt"
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"github.com/influxdata/chronograf"
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"github.com/influxdata/chronograf/bolt/internal"
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"golang.org/x/net/context"
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)
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// Ensure SourcesStore implements chronograf.SourcesStore.
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var _ chronograf.SourcesStore = &SourcesStore{}
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var SourcesBucket = []byte("Sources")
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type SourcesStore struct {
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client *Client
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}
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// All returns all known sources
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func (s *SourcesStore) All(ctx context.Context) ([]chronograf.Source, error) {
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var srcs []chronograf.Source
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if err := s.client.db.View(func(tx *bolt.Tx) error {
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if err := tx.Bucket(SourcesBucket).ForEach(func(k, v []byte) error {
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var src chronograf.Source
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if err := internal.UnmarshalSource(v, &src); err != nil {
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return err
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}
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srcs = append(srcs, src)
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return nil
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}); err != nil {
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return err
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}
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return nil
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}); err != nil {
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return nil, err
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}
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return srcs, nil
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}
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// Add creates a new Source in the SourceStore.
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func (s *SourcesStore) Add(ctx context.Context, src chronograf.Source) (chronograf.Source, error) {
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if err := s.client.db.Update(func(tx *bolt.Tx) error {
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b := tx.Bucket(SourcesBucket)
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seq, err := b.NextSequence()
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if err != nil {
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return err
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}
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src.ID = int(seq)
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if v, err := internal.MarshalSource(src); err != nil {
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return err
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} else if err := b.Put(itob(src.ID), v); err != nil {
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return err
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}
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return nil
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}); err != nil {
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return chronograf.Source{}, err
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}
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return src, nil
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}
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// Delete removes the Source from the SourcesStore
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func (s *SourcesStore) Delete(ctx context.Context, src chronograf.Source) error {
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if err := s.client.db.Update(func(tx *bolt.Tx) error {
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if err := tx.Bucket(SourcesBucket).Delete(itob(src.ID)); err != nil {
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return err
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}
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return nil
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}); err != nil {
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return err
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}
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return nil
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}
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// Get returns a Source if the id exists.
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func (s *SourcesStore) Get(ctx context.Context, id int) (chronograf.Source, error) {
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var src chronograf.Source
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if err := s.client.db.View(func(tx *bolt.Tx) error {
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if v := tx.Bucket(SourcesBucket).Get(itob(id)); v == nil {
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return chronograf.ErrSourceNotFound
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} else if err := internal.UnmarshalSource(v, &src); err != nil {
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return err
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}
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return nil
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}); err != nil {
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return chronograf.Source{}, err
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}
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return src, nil
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}
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// Update a Source
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func (s *SourcesStore) Update(ctx context.Context, src chronograf.Source) error {
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if err := s.client.db.Update(func(tx *bolt.Tx) error {
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// Get an existing soource with the same ID.
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b := tx.Bucket(SourcesBucket)
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if v := b.Get(itob(src.ID)); v == nil {
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return chronograf.ErrSourceNotFound
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}
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if v, err := internal.MarshalSource(src); err != nil {
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return err
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} else if err := b.Put(itob(src.ID), v); err != nil {
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return err
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}
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return nil
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}); err != nil {
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return err
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}
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return nil
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}
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