influxdb/chronograf/bolt/config.go

72 lines
1.7 KiB
Go

package bolt
import (
"context"
"fmt"
"github.com/influxdata/influxdb/v2/chronograf"
"github.com/influxdata/influxdb/v2/chronograf/bolt/internal"
bolt "go.etcd.io/bbolt"
)
// Ensure ConfigStore implements chronograf.ConfigStore.
var _ chronograf.ConfigStore = &ConfigStore{}
// ConfigBucket is used to store chronograf application state
var ConfigBucket = []byte("ConfigV1")
// configID is the boltDB key where the configuration object is stored
var configID = []byte("config/v1")
// ConfigStore uses bolt to store and retrieve global
// application configuration
type ConfigStore struct {
client *Client
}
func (s *ConfigStore) Migrate(ctx context.Context) error {
if _, err := s.Get(ctx); err != nil {
return s.Initialize(ctx)
}
return nil
}
func (s *ConfigStore) Initialize(ctx context.Context) error {
cfg := chronograf.Config{
Auth: chronograf.AuthConfig{
SuperAdminNewUsers: false,
},
}
return s.Update(ctx, &cfg)
}
func (s *ConfigStore) Get(ctx context.Context) (*chronograf.Config, error) {
var cfg chronograf.Config
err := s.client.db.View(func(tx *bolt.Tx) error {
v := tx.Bucket(ConfigBucket).Get(configID)
if v == nil {
return chronograf.ErrConfigNotFound
}
return internal.UnmarshalConfig(v, &cfg)
})
if err != nil {
return nil, err
}
return &cfg, nil
}
func (s *ConfigStore) Update(ctx context.Context, cfg *chronograf.Config) error {
if cfg == nil {
return fmt.Errorf("config provided was nil")
}
return s.client.db.Update(func(tx *bolt.Tx) error {
if v, err := internal.MarshalConfig(cfg); err != nil {
return err
} else if err := tx.Bucket(ConfigBucket).Put(configID, v); err != nil {
return err
}
return nil
})
}