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https://github.com/optim-enterprises-bv/vault.git
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e768b73403
* Allow more complex errors from plugins This enables more complex types to be registered and returned from plugins. * Register common error types This is a slightly less drastic change, which keeps the HTTPCodedError as an interface. * Remove replication error from list
139 lines
2.8 KiB
Go
139 lines
2.8 KiB
Go
package plugin
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import (
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"net/rpc"
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"github.com/hashicorp/vault/logical"
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)
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// StorageClient is an implementation of logical.Storage that communicates
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// over RPC.
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type StorageClient struct {
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client *rpc.Client
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}
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func (s *StorageClient) List(prefix string) ([]string, error) {
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var reply StorageListReply
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err := s.client.Call("Plugin.List", prefix, &reply)
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if err != nil {
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return reply.Keys, err
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}
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if reply.Error != nil {
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return reply.Keys, reply.Error
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}
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return reply.Keys, nil
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}
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func (s *StorageClient) Get(key string) (*logical.StorageEntry, error) {
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var reply StorageGetReply
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err := s.client.Call("Plugin.Get", key, &reply)
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if err != nil {
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return nil, err
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}
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if reply.Error != nil {
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return nil, reply.Error
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}
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return reply.StorageEntry, nil
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}
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func (s *StorageClient) Put(entry *logical.StorageEntry) error {
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var reply StoragePutReply
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err := s.client.Call("Plugin.Put", entry, &reply)
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if err != nil {
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return err
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}
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if reply.Error != nil {
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return reply.Error
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}
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return nil
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}
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func (s *StorageClient) Delete(key string) error {
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var reply StorageDeleteReply
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err := s.client.Call("Plugin.Delete", key, &reply)
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if err != nil {
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return err
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}
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if reply.Error != nil {
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return reply.Error
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}
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return nil
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}
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// StorageServer is a net/rpc compatible structure for serving
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type StorageServer struct {
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impl logical.Storage
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}
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func (s *StorageServer) List(prefix string, reply *StorageListReply) error {
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keys, err := s.impl.List(prefix)
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*reply = StorageListReply{
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Keys: keys,
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Error: wrapError(err),
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}
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return nil
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}
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func (s *StorageServer) Get(key string, reply *StorageGetReply) error {
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storageEntry, err := s.impl.Get(key)
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*reply = StorageGetReply{
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StorageEntry: storageEntry,
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Error: wrapError(err),
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}
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return nil
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}
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func (s *StorageServer) Put(entry *logical.StorageEntry, reply *StoragePutReply) error {
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err := s.impl.Put(entry)
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*reply = StoragePutReply{
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Error: wrapError(err),
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}
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return nil
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}
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func (s *StorageServer) Delete(key string, reply *StorageDeleteReply) error {
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err := s.impl.Delete(key)
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*reply = StorageDeleteReply{
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Error: wrapError(err),
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}
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return nil
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}
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type StorageListReply struct {
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Keys []string
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Error error
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}
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type StorageGetReply struct {
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StorageEntry *logical.StorageEntry
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Error error
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}
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type StoragePutReply struct {
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Error error
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}
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type StorageDeleteReply struct {
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Error error
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}
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// NOOPStorage is used to deny access to the storage interface while running a
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// backend plugin in metadata mode.
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type NOOPStorage struct{}
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func (s *NOOPStorage) List(prefix string) ([]string, error) {
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return []string{}, nil
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}
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func (s *NOOPStorage) Get(key string) (*logical.StorageEntry, error) {
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return nil, nil
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}
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func (s *NOOPStorage) Put(entry *logical.StorageEntry) error {
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return nil
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}
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func (s *NOOPStorage) Delete(key string) error {
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return nil
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}
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