move kms definitions to the sdk package

This is the first step to make the sdk a separate module

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

kms/basesecret.go

@@ -1,67 +0,0 @@
-package kms
-
-// BaseSecret defines the base struct shared among all the secret providers
-type BaseSecret struct {
-	Status         SecretStatus `json:"status,omitempty"`
-	Payload        string       `json:"payload,omitempty"`
-	Key            string       `json:"key,omitempty"`
-	AdditionalData string       `json:"additional_data,omitempty"`
-	// 1 means encrypted using a master key
-	Mode int `json:"mode,omitempty"`
-}
-
-// GetStatus returns the secret's status
-func (s *BaseSecret) GetStatus() SecretStatus {
-	return s.Status
-}
-
-// GetPayload returns the secret's payload
-func (s *BaseSecret) GetPayload() string {
-	return s.Payload
-}
-
-// GetKey returns the secret's key
-func (s *BaseSecret) GetKey() string {
-	return s.Key
-}
-
-// GetMode returns the encryption mode
-func (s *BaseSecret) GetMode() int {
-	return s.Mode
-}
-
-// GetAdditionalData returns the secret's additional data
-func (s *BaseSecret) GetAdditionalData() string {
-	return s.AdditionalData
-}
-
-// SetKey sets the secret's key
-func (s *BaseSecret) SetKey(value string) {
-	s.Key = value
-}
-
-// SetAdditionalData sets the secret's additional data
-func (s *BaseSecret) SetAdditionalData(value string) {
-	s.AdditionalData = value
-}
-
-// SetStatus sets the secret's status
-func (s *BaseSecret) SetStatus(value SecretStatus) {
-	s.Status = value
-}
-
-func (s *BaseSecret) isEmpty() bool {
-	if s.Status != "" {
-		return false
-	}
-	if s.Payload != "" {
-		return false
-	}
-	if s.Key != "" {
-		return false
-	}
-	if s.AdditionalData != "" {
-		return false
-	}
-	return true
-}