64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
/*
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Copyright 2016 The Kubernetes 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 rewrite
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import (
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"errors"
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"k8s.io/ingress/core/pkg/ingress/annotations/parser"
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"k8s.io/ingress/core/pkg/ingress/defaults"
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"k8s.io/kubernetes/pkg/apis/extensions"
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)
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const (
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rewriteTo = "ingress.kubernetes.io/rewrite-target"
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addBaseURL = "ingress.kubernetes.io/add-base-url"
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sslRedirect = "ingress.kubernetes.io/ssl-redirect"
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)
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// Redirect describes the per location redirect config
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type Redirect struct {
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// Target URI where the traffic must be redirected
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Target string
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// AddBaseURL indicates if is required to add a base tag in the head
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// of the responses from the upstream servers
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AddBaseURL bool
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// SSLRedirect indicates if the location section is accessible SSL only
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SSLRedirect bool
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}
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// ParseAnnotations parses the annotations contained in the ingress
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// rule used to rewrite the defined paths
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func ParseAnnotations(cfg defaults.Backend, ing *extensions.Ingress) (*Redirect, error) {
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if ing.GetAnnotations() == nil {
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return &Redirect{}, errors.New("no annotations present")
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}
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sslRe, err := parser.GetBoolAnnotation(sslRedirect, ing)
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if err != nil {
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sslRe = cfg.SSLRedirect
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}
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rt, _ := parser.GetStringAnnotation(rewriteTo, ing)
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abu, _ := parser.GetBoolAnnotation(addBaseURL, ing)
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return &Redirect{
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Target: rt,
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AddBaseURL: abu,
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SSLRedirect: sslRe,
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}, nil
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}
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