129 lines
3.0 KiB
Go
129 lines
3.0 KiB
Go
package bolt
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/boltdb/bolt"
|
|
"github.com/influxdata/chronograf"
|
|
"github.com/influxdata/chronograf/bolt/internal"
|
|
)
|
|
|
|
// Ensure MappingsStore implements chronograf.MappingsStore.
|
|
var _ chronograf.MappingsStore = &MappingsStore{}
|
|
|
|
var (
|
|
// MappingsBucket is the bucket where organizations are stored.
|
|
MappingsBucket = []byte("MappingsV1")
|
|
)
|
|
|
|
// MappingsStore uses bolt to store and retrieve Mappings
|
|
type MappingsStore struct {
|
|
client *Client
|
|
}
|
|
|
|
// Migrate sets the default organization at runtime
|
|
func (s *MappingsStore) Migrate(ctx context.Context) error {
|
|
return nil
|
|
}
|
|
|
|
// Add creates a new Mapping in the MappingsStore
|
|
func (s *MappingsStore) Add(ctx context.Context, o *chronograf.Mapping) (*chronograf.Mapping, error) {
|
|
err := s.client.db.Update(func(tx *bolt.Tx) error {
|
|
b := tx.Bucket(MappingsBucket)
|
|
seq, err := b.NextSequence()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
o.ID = fmt.Sprintf("%d", seq)
|
|
|
|
v, err := internal.MarshalMapping(o)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return b.Put([]byte(o.ID), v)
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return o, nil
|
|
}
|
|
|
|
// All returns all known organizations
|
|
func (s *MappingsStore) All(ctx context.Context) ([]chronograf.Mapping, error) {
|
|
var mappings []chronograf.Mapping
|
|
err := s.each(ctx, func(m *chronograf.Mapping) {
|
|
mappings = append(mappings, *m)
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return mappings, nil
|
|
}
|
|
|
|
// Delete the organization from MappingsStore
|
|
func (s *MappingsStore) Delete(ctx context.Context, o *chronograf.Mapping) error {
|
|
_, err := s.get(ctx, o.ID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if err := s.client.db.Update(func(tx *bolt.Tx) error {
|
|
return tx.Bucket(MappingsBucket).Delete([]byte(o.ID))
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *MappingsStore) get(ctx context.Context, id string) (*chronograf.Mapping, error) {
|
|
var o chronograf.Mapping
|
|
err := s.client.db.View(func(tx *bolt.Tx) error {
|
|
v := tx.Bucket(MappingsBucket).Get([]byte(id))
|
|
if v == nil {
|
|
return chronograf.ErrMappingNotFound
|
|
}
|
|
return internal.UnmarshalMapping(v, &o)
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &o, nil
|
|
}
|
|
|
|
func (s *MappingsStore) each(ctx context.Context, fn func(*chronograf.Mapping)) error {
|
|
return s.client.db.View(func(tx *bolt.Tx) error {
|
|
return tx.Bucket(MappingsBucket).ForEach(func(k, v []byte) error {
|
|
var m chronograf.Mapping
|
|
if err := internal.UnmarshalMapping(v, &m); err != nil {
|
|
return err
|
|
}
|
|
fn(&m)
|
|
return nil
|
|
})
|
|
})
|
|
}
|
|
|
|
// Get returns a Mapping if the id exists.
|
|
func (s *MappingsStore) Get(ctx context.Context, id string) (*chronograf.Mapping, error) {
|
|
return s.get(ctx, id)
|
|
}
|
|
|
|
// Update the organization in MappingsStore
|
|
func (s *MappingsStore) Update(ctx context.Context, o *chronograf.Mapping) error {
|
|
return s.client.db.Update(func(tx *bolt.Tx) error {
|
|
if v, err := internal.MarshalMapping(o); err != nil {
|
|
return err
|
|
} else if err := tx.Bucket(MappingsBucket).Put([]byte(o.ID), v); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
}
|