forked from TrueCloudLab/frostfs-node
75 lines
1.5 KiB
Go
75 lines
1.5 KiB
Go
package private
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
|
|
"github.com/nspcc-dev/neofs-node/pkg/services/private"
|
|
)
|
|
|
|
// Server is an entity that serves
|
|
// Private service on storage node.
|
|
type Server struct {
|
|
*cfg
|
|
}
|
|
|
|
// HealthChecker is component interface for calculating
|
|
// the current health status of a node.
|
|
type HealthChecker interface {
|
|
// Must calculate and return current node health status.
|
|
//
|
|
// If status can not be calculated for any reason,
|
|
// private.HealthStatus_STATUS_UNDEFINED should be returned.
|
|
HealthStatus() private.HealthStatus
|
|
}
|
|
|
|
// Option of the Server's constructor.
|
|
type Option func(*cfg)
|
|
|
|
type cfg struct {
|
|
key *ecdsa.PrivateKey
|
|
|
|
allowedKeys [][]byte
|
|
|
|
healthChecker HealthChecker
|
|
}
|
|
|
|
func defaultCfg() *cfg {
|
|
return &cfg{}
|
|
}
|
|
|
|
// New creates, initializes and returns new Server instance.
|
|
func New(opts ...Option) *Server {
|
|
c := defaultCfg()
|
|
|
|
for _, opt := range opts {
|
|
opt(c)
|
|
}
|
|
|
|
return &Server{
|
|
cfg: c,
|
|
}
|
|
}
|
|
|
|
// WithKey returns option to set private key
|
|
// used for signing responses.
|
|
func WithKey(key *ecdsa.PrivateKey) Option {
|
|
return func(c *cfg) {
|
|
c.key = key
|
|
}
|
|
}
|
|
|
|
// WithAllowedKeys returns option to add list of public
|
|
// keys that have rights to use private service.
|
|
func WithAllowedKeys(keys [][]byte) Option {
|
|
return func(c *cfg) {
|
|
c.allowedKeys = append(c.allowedKeys, keys...)
|
|
}
|
|
}
|
|
|
|
// WithHealthChecker returns option to set component
|
|
// to calculate node health status.
|
|
func WithHealthChecker(hc HealthChecker) Option {
|
|
return func(c *cfg) {
|
|
c.healthChecker = hc
|
|
}
|
|
}
|