chronograf/bolt/users.go

147 lines
3.3 KiB
Go

package bolt
import (
"context"
"github.com/boltdb/bolt"
"github.com/influxdata/chronograf"
"github.com/influxdata/chronograf/bolt/internal"
)
// Ensure UsersStore implements chronograf.UsersStore.
var _ chronograf.UsersStore = &UsersStore{}
// UsersBucket is used to store users local to chronograf
var UsersBucket = []byte("UsersV1")
// UsersStore uses bolt to store and retrieve users
type UsersStore struct {
client *Client
}
// get searches the UsersStore for user with name and returns the bolt representation
func (s *UsersStore) get(ctx context.Context, name string) (*internal.User, error) {
found := false
var user internal.User
err := s.client.db.View(func(tx *bolt.Tx) error {
err := tx.Bucket(UsersBucket).ForEach(func(k, v []byte) error {
var u chronograf.User
if err := internal.UnmarshalUser(v, &u); err != nil {
return err
} else if u.Name != name {
return nil
}
found = true
if err := internal.UnmarshalUserPB(v, &user); err != nil {
return err
}
return nil
})
if err != nil {
return err
}
if found == false {
return chronograf.ErrUserNotFound
}
return nil
})
if err != nil {
return nil, err
}
return &user, nil
}
// Get searches the UsersStore for user with name
func (s *UsersStore) Get(ctx context.Context, name string) (*chronograf.User, error) {
u, err := s.get(ctx, name)
if err != nil {
return nil, err
}
return &chronograf.User{
Name: u.Name,
}, nil
}
// Add a new Users in the UsersStore.
func (s *UsersStore) Add(ctx context.Context, u *chronograf.User) (*chronograf.User, error) {
if err := s.client.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(UsersBucket)
seq, err := b.NextSequence()
if err != nil {
return err
}
if v, err := internal.MarshalUser(u); err != nil {
return err
} else if err := b.Put(u64tob(seq), v); err != nil {
return err
}
return nil
}); err != nil {
return nil, err
}
return u, nil
}
// Delete the users from the UsersStore
func (s *UsersStore) Delete(ctx context.Context, user *chronograf.User) error {
u, err := s.get(ctx, user.Name)
if err != nil {
return err
}
if err := s.client.db.Update(func(tx *bolt.Tx) error {
if err := tx.Bucket(UsersBucket).Delete(u64tob(u.ID)); err != nil {
return err
}
return nil
}); err != nil {
return err
}
return nil
}
// Update a user
func (s *UsersStore) Update(ctx context.Context, usr *chronograf.User) error {
u, err := s.get(ctx, usr.Name)
if err != nil {
return err
}
if err := s.client.db.Update(func(tx *bolt.Tx) error {
u.Name = usr.Name
if v, err := internal.MarshalUserPB(u); err != nil {
return err
} else if err := tx.Bucket(UsersBucket).Put(u64tob(u.ID), v); err != nil {
return err
}
return nil
}); err != nil {
return err
}
return nil
}
// All returns all users
func (s *UsersStore) All(ctx context.Context) ([]chronograf.User, error) {
var users []chronograf.User
if err := s.client.db.View(func(tx *bolt.Tx) error {
if err := tx.Bucket(UsersBucket).ForEach(func(k, v []byte) error {
var user chronograf.User
if err := internal.UnmarshalUser(v, &user); err != nil {
return err
}
users = append(users, user)
return nil
}); err != nil {
return err
}
return nil
}); err != nil {
return nil, err
}
return users, nil
}