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ingress.go
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ingress.go
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// Copyright 2018 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package convert
import (
"strings"
"k8s.io/api/extensions/v1beta1"
"istio.io/istio/pilot/pkg/config/kube/ingress"
"istio.io/istio/pilot/pkg/model"
)
// IstioIngresses converts K8s extensions/v1beta1 Ingresses with Istio rules to v1alpha3 gateway and virtual service
func IstioIngresses(ingresses []*v1beta1.Ingress, domainSuffix string) ([]model.Config, error) {
if len(ingresses) == 0 {
return make([]model.Config, 0), nil
}
if len(domainSuffix) == 0 {
domainSuffix = "cluster.local"
}
ingressByHost := map[string]*model.Config{}
for _, ingrezz := range ingresses {
ingress.ConvertIngressVirtualService(*ingrezz, domainSuffix, ingressByHost)
}
out := make([]model.Config, 0, len(ingressByHost))
for _, vs := range ingressByHost {
// Ensure name is valid; ConvertIngressVirtualService will create a name that doesn't start with alphanumeric
if strings.HasPrefix(vs.Name, "-") {
vs.Name = "wild" + vs.Name
}
out = append(out, *vs)
}
return out, nil
}