chronograf/bolt/roles.go

139 lines
3.1 KiB
Go

package bolt
import (
"context"
"github.com/boltdb/bolt"
"github.com/influxdata/chronograf"
"github.com/influxdata/chronograf/bolt/internal"
)
// Ensure RolesStore implements chronograf.RolesStore.
var _ chronograf.RolesStore = &RolesStore{}
// RolesBucket is used to store roles local to chronograf
var RolesBucket = []byte("RolesV1")
// RolesStore uses bolt to store and retrieve roles
type RolesStore struct {
client *Client
}
// get searches the RolesStore for role with name and returns the chronograf representation
func (s *RolesStore) get(ctx context.Context, name string) (*chronograf.Role, error) {
found := false
var role *chronograf.Role
err := s.client.db.View(func(tx *bolt.Tx) error {
err := tx.Bucket(RolesBucket).ForEach(func(k, v []byte) error {
var r chronograf.Role
if err := internal.UnmarshalRole(v, &r); err != nil {
return err
} else if role.Name != name {
return nil
}
found = true
role = &r
return nil
})
if err != nil {
return err
}
if found == false {
return chronograf.ErrRoleNotFound
}
return nil
})
if err != nil {
return nil, err
}
return role, nil
}
// Get searches the RolesStore for role with name
func (s *RolesStore) Get(ctx context.Context, name string) (*chronograf.Role, error) {
r, err := s.get(ctx, name)
if err != nil {
return nil, err
}
return r, nil
}
// Add a new Roles in the RolesStore.
func (s *RolesStore) Add(ctx context.Context, r *chronograf.Role) (*chronograf.Role, error) {
if err := s.client.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(RolesBucket)
if v, err := internal.MarshalRole(r); err != nil {
return err
} else if err := b.Put([]byte(r.Name), v); err != nil {
return err
}
return nil
}); err != nil {
return nil, err
}
return r, nil
}
// Delete the roles from the RolesStore
func (s *RolesStore) Delete(ctx context.Context, role *chronograf.Role) error {
r, err := s.get(ctx, role.Name)
if err != nil {
return err
}
if err := s.client.db.Update(func(tx *bolt.Tx) error {
if err := tx.Bucket(RolesBucket).Delete([]byte(r.Name)); err != nil {
return err
}
return nil
}); err != nil {
return err
}
return nil
}
// Update a role
func (s *RolesStore) Update(ctx context.Context, role *chronograf.Role) error {
r, err := s.get(ctx, role.Name)
if err != nil {
return err
}
if err := s.client.db.Update(func(tx *bolt.Tx) error {
r.Name = role.Name
if v, err := internal.MarshalRole(r); err != nil {
return err
} else if err := tx.Bucket(RolesBucket).Put([]byte(r.Name), v); err != nil {
return err
}
return nil
}); err != nil {
return err
}
return nil
}
// All returns all roles
func (s *RolesStore) All(ctx context.Context) ([]chronograf.Role, error) {
var roles []chronograf.Role
if err := s.client.db.View(func(tx *bolt.Tx) error {
if err := tx.Bucket(RolesBucket).ForEach(func(k, v []byte) error {
var role chronograf.Role
if err := internal.UnmarshalRole(v, &role); err != nil {
return err
}
roles = append(roles, role)
return nil
}); err != nil {
return err
}
return nil
}); err != nil {
return nil, err
}
return roles, nil
}