Ta-Ching ChenandGitHub
b5341edec0
This PR aims to add the Ingress TLS support by specifying the
TLS secret when creating/updating the HTTP trigger.
Command example:
fission route create --name foo \
--url /foo/{bar} --function foofn --createingress \
--ingressannotation "nginx.ingress.kubernetes.io/ssl-redirect=false" \
--ingressannotation "nginx.ingress.kubernetes.io/use-regex=true" \
--ingressrule "*=/foo/*"
--ingresstls "foobartls"
99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
/*
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Copyright 2019 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"k8s.io/api/extensions/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/intstr"
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fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
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)
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func GetIngressSpec(namespace string, trigger *fv1.HTTPTrigger) *v1beta1.Ingress {
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// TODO: remove backward compatibility
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host, path := trigger.Spec.Host, trigger.Spec.RelativeURL
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if len(trigger.Spec.IngressConfig.Host) > 0 && len(trigger.Spec.IngressConfig.Path) > 0 {
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host, path = trigger.Spec.IngressConfig.Host, trigger.Spec.IngressConfig.Path
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}
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// In Ingress, to accept requests from all host, the host field will
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// be an empty string instead of "*" shown in kubectl. So replace it
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// with empty string
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if host == "*" {
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host = "" // wildcard Ingress host
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}
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var ingTLS []v1beta1.IngressTLS
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if len(trigger.Spec.IngressConfig.TLS) > 0 {
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ingTLS = []v1beta1.IngressTLS{
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{
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Hosts: []string{
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trigger.Spec.IngressConfig.Host,
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},
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SecretName: trigger.Spec.IngressConfig.TLS,
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},
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}
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}
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ing := &v1beta1.Ingress{
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ObjectMeta: metav1.ObjectMeta{
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Labels: GetDeployLabels(trigger),
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Name: trigger.Metadata.Name,
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// The Ingress NS MUST be same as Router NS, check long discussion:
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// https://github.com/kubernetes/kubernetes/issues/17088
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// We need to revisit this in future, once Kubernetes supports cross namespace ingress
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Namespace: namespace,
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Annotations: trigger.Spec.IngressConfig.Annotations,
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},
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Spec: v1beta1.IngressSpec{
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TLS: ingTLS,
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Rules: []v1beta1.IngressRule{
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{
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Host: host,
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IngressRuleValue: v1beta1.IngressRuleValue{
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HTTP: &v1beta1.HTTPIngressRuleValue{
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Paths: []v1beta1.HTTPIngressPath{
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{
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Backend: v1beta1.IngressBackend{
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ServiceName: "router",
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ServicePort: intstr.IntOrString{
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Type: intstr.Int,
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IntVal: 80,
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},
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},
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Path: path,
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},
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},
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},
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},
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},
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},
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},
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}
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return ing
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}
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func GetDeployLabels(trigger *fv1.HTTPTrigger) map[string]string {
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// TODO: support function weight
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return map[string]string{
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"triggerName": trigger.Metadata.Name,
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"functionName": trigger.Spec.FunctionReference.Name,
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"triggerNamespace": trigger.Metadata.Namespace,
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}
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}
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