resource.go

// Copyright Envoy Gateway Authors
// SPDX-License-Identifier: Apache-2.0
// The full text of the Apache license is available in the LICENSE file at
// the root of the repo.

package gatewayapi

import (
	v1 "k8s.io/api/core/v1"
	"sigs.k8s.io/gateway-api/apis/v1alpha2"
	"sigs.k8s.io/gateway-api/apis/v1beta1"

	egcfgv1a1 "github.com/envoyproxy/gateway/api/config/v1alpha1"
	egv1a1 "github.com/envoyproxy/gateway/api/v1alpha1"
	"github.com/envoyproxy/gateway/internal/ir"
)

type XdsIRMap map[string]*ir.Xds
type InfraIRMap map[string]*ir.Infra

// Resources holds the Gateway API and related
// resources that the translators needs as inputs.
// +k8s:deepcopy-gen=true
type Resources struct {
	Gateways         []*v1beta1.Gateway
	HTTPRoutes       []*v1beta1.HTTPRoute
	GRPCRoutes       []*v1alpha2.GRPCRoute
	TLSRoutes        []*v1alpha2.TLSRoute
	TCPRoutes        []*v1alpha2.TCPRoute
	UDPRoutes        []*v1alpha2.UDPRoute
	ReferenceGrants  []*v1alpha2.ReferenceGrant
	Namespaces       []*v1.Namespace
	Services         []*v1.Service
	Secrets          []*v1.Secret
	AuthenFilters    []*egv1a1.AuthenticationFilter
	RateLimitFilters []*egv1a1.RateLimitFilter
	EnvoyProxy       *egcfgv1a1.EnvoyProxy
}

func NewResources() *Resources {
	return &Resources{
		Gateways:         []*v1beta1.Gateway{},
		HTTPRoutes:       []*v1beta1.HTTPRoute{},
		GRPCRoutes:       []*v1alpha2.GRPCRoute{},
		TLSRoutes:        []*v1alpha2.TLSRoute{},
		Services:         []*v1.Service{},
		Secrets:          []*v1.Secret{},
		ReferenceGrants:  []*v1alpha2.ReferenceGrant{},
		Namespaces:       []*v1.Namespace{},
		AuthenFilters:    []*egv1a1.AuthenticationFilter{},
		RateLimitFilters: []*egv1a1.RateLimitFilter{},
		EnvoyProxy:       new(egcfgv1a1.EnvoyProxy),
	}
}

func (r *Resources) GetNamespace(name string) *v1.Namespace {
	for _, ns := range r.Namespaces {
		if ns.Name == name {
			return ns
		}
	}

	return nil
}

func (r *Resources) GetService(namespace, name string) *v1.Service {
	for _, svc := range r.Services {
		if svc.Namespace == namespace && svc.Name == name {
			return svc
		}
	}

	return nil
}

func (r *Resources) GetSecret(namespace, name string) *v1.Secret {
	for _, secret := range r.Secrets {
		if secret.Namespace == namespace && secret.Name == name {
			return secret
		}
	}

	return nil
}