config

type AESConfiguration struct {
	// keys is a list of keys to be used for creating the AES transformer.
	// Each key has to be 32 bytes long for AES-CBC and 16, 24 or 32 bytes for AES-GCM.
	Keys []Key `yaml:"keys,omitempty"`
}

type EncryptionConfiguration struct {
	Kind       string `yaml:"kind,omitempty"`
	APIVersion string `yaml:"apiVersion,omitempty"`
	// resources is a list containing resources, and their corresponding encryption providers.
	Resources []ResourceConfiguration `yaml:"resources,omitempty"`
}

type IdentityConfiguration struct{}

type KMSConfiguration struct {
	// name is the name of the KMS plugin to be used.
	Name string `yaml:"name"`
	// cacheSize is the maximum number of secrets which are cached in memory. The default value is 1000.
	// +optional
	CacheSize int32 `yaml:"cache_size"`
	// endpoint is the gRPC server listening address, for example "unix:///var/run/kms-provider.sock".
	Endpoint string `yaml:"endpoint"`
	// Timeout for gRPC calls to kms-plugin (ex. 5s). The default is 3 seconds.
	// +optional
	Timeout *metav1.Duration `yaml:"timeout,omitempty"`
}

type Key struct {
	// name is the name of the key to be used while storing data to disk.
	Name string `yaml:"name"`
	// secret is the actual key, encoded in base64.
	Secret string `yaml:"secret"`
}

type ProviderConfiguration struct {
	// aesgcm is the configuration for the AES-GCM transformer.
	AESGCM *AESConfiguration `yaml:"aesgcm,omitempty"`
	// aescbc is the configuration for the AES-CBC transformer.
	AESCBC *AESConfiguration `yaml:"aescbc,omitempty"`
	// secretbox is the configuration for the Secretbox based transformer.
	Secretbox *SecretboxConfiguration `yaml:"secretbox,omitempty"`
	// identity is the (empty) configuration for the identity transformer.
	Identity *IdentityConfiguration `yaml:"identity,omitempty"`
	// kms contains the name, cache size and path to configuration file for a KMS based envelope transformer.
	KMS *KMSConfiguration `yaml:"kms,omitempty"`
}

type ResourceConfiguration struct {
	// resources is a list of kubernetes resources which have to be encrypted.
	Resources []string `yaml:"resources,omitempty"`
	// providers is a list of transformers to be used for reading and writing the resources to disk.
	// eg: aesgcm, aescbc, secretbox, identity.
	Providers []ProviderConfiguration `yaml:"providers,omitempty"`
}

type SecretboxConfiguration struct {
	// keys is a list of keys to be used for creating the Secretbox transformer.
	// Each key has to be 32 bytes long.
	Keys []Key `yaml:"keys,omitempty"`
}