etcd

Documentation

Index

• Variables
• func DeleteKey(ctx context.Context, db *clientv3.Client, key string) error
• func GetKey(ctx context.Context, db *clientv3.Client, key string, value interface{}) error
• func TxnCreate(ctx context.Context, db *clientv3.Client, key string, value interface{}) error
• func TxnUpdate(ctx context.Context, db *clientv3.Client, key string, ...) error

Variables

var (
	// ErrNotFound is the error returned by storages if a resource cannot be found.
	ErrNotFound = errors.New("not found")
	// ErrAlreadyExists is the error returned by storages if a resource ID is taken during a create.
	ErrAlreadyExists = errors.New("ID already exists")
)

Functions

func DeleteKey

func DeleteKey(ctx context.Context, db *clientv3.Client, key string) error

DeleteKey delete a existing object from etcd with given key

func GetKey

func GetKey(ctx context.Context, db *clientv3.Client, key string, value interface{}) error

GetKey get a existing object from etcd with given key

func TxnCreate

func TxnCreate(ctx context.Context, db *clientv3.Client, key string, value interface{}) error

TxnCreate creates a new object into etcd with given key and value and ensure transaction consistency.

func TxnUpdate

func TxnUpdate(ctx context.Context, db *clientv3.Client, key string, update func(current []byte) ([]byte, error)) error

TxnUpdate updates a existing object into etcd with given key and update function and ensure transaction consistency.