mirror of https://github.com/hashicorp/consul
69 lines
3.2 KiB
Go
69 lines
3.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: BUSL-1.1
|
|
|
|
package extensioncommon
|
|
|
|
import (
|
|
envoy_cluster_v3 "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
|
|
envoy_endpoint_v3 "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"
|
|
envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
|
|
envoy_route_v3 "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
|
|
)
|
|
|
|
// BasicExtensionAdapter is an adapter that provides default implementations for all of the EnvoyExtension
|
|
// interface functions. Extension implementations can extend the adapter and implement only the functions
|
|
// they are interested in. At a minimum, extensions must override the adapter's CanApply and Validate
|
|
// functions.
|
|
type BasicExtensionAdapter struct{}
|
|
|
|
// CanApply provides a default implementation of the CanApply interface that always returns false.
|
|
func (BasicExtensionAdapter) CanApply(_ *RuntimeConfig) bool { return false }
|
|
|
|
// PatchCluster provides a default implementation of the PatchCluster interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchCluster(p ClusterPayload) (*envoy_cluster_v3.Cluster, bool, error) {
|
|
return p.Message, false, nil
|
|
}
|
|
|
|
// PatchClusters provides a default implementation of the PatchClusters interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchClusters(_ *RuntimeConfig, c ClusterMap) (ClusterMap, error) {
|
|
return c, nil
|
|
}
|
|
|
|
// PatchClusterLoadAssignment provides a default implementation of the PatchClusterLoadAssignment interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchClusterLoadAssignment(p ClusterLoadAssignmentPayload) (*envoy_endpoint_v3.ClusterLoadAssignment, bool, error) {
|
|
return p.Message, false, nil
|
|
}
|
|
|
|
// PatchListener provides a default implementation of the PatchListener interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchListener(p ListenerPayload) (*envoy_listener_v3.Listener, bool, error) {
|
|
return p.Message, false, nil
|
|
}
|
|
|
|
// PatchListeners provides a default implementation of the PatchListeners interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchListeners(_ *RuntimeConfig, l ListenerMap) (ListenerMap, error) {
|
|
return l, nil
|
|
}
|
|
|
|
// PatchFilter provides a default implementation of the PatchFilter interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchFilter(p FilterPayload) (*envoy_listener_v3.Filter, bool, error) {
|
|
return p.Message, false, nil
|
|
}
|
|
|
|
// PatchFilters provides a default implementation of the PatchFilters interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchFilters(_ *RuntimeConfig, f []*envoy_listener_v3.Filter, _ bool) ([]*envoy_listener_v3.Filter, error) {
|
|
return f, nil
|
|
}
|
|
|
|
// PatchRoute provides a default implementation of the PatchRoute interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchRoute(p RoutePayload) (*envoy_route_v3.RouteConfiguration, bool, error) {
|
|
return p.Message, false, nil
|
|
}
|
|
|
|
// PatchRoutes provides a default implementation of the PatchRoutes interface that does nothing.
|
|
func (BasicExtensionAdapter) PatchRoutes(_ *RuntimeConfig, r RouteMap) (RouteMap, error) {
|
|
return r, nil
|
|
}
|
|
|
|
// Validate provides a default implementation of the Validate interface that always returns nil.
|
|
func (BasicExtensionAdapter) Validate(_ *RuntimeConfig) error { return nil }
|