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Kubernetes SD: Introduce ingressAdaptor
Signed-off-by: Takashi Kusumi <tkusumi@zlab.co.jp>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| // Copyright 2016 The Prometheus 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 kubernetes | ||
|
|
||
| import ( | ||
| v1 "k8s.io/api/networking/v1" | ||
| "k8s.io/api/networking/v1beta1" | ||
| ) | ||
|
|
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| // ingressAdaptor is an adaptor for the different Ingress versions | ||
| type ingressAdaptor interface { | ||
| name() string | ||
| namespace() string | ||
| labels() map[string]string | ||
| annotations() map[string]string | ||
| tlsHosts() []string | ||
| ingressClassName() *string | ||
| rules() []ingressRuleAdaptor | ||
| } | ||
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| type ingressRuleAdaptor interface { | ||
| paths() []string | ||
| host() string | ||
| } | ||
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| // Adaptor for networking.k8s.io/v1 | ||
| type ingressAdaptorV1 struct { | ||
| ingress *v1.Ingress | ||
| } | ||
|
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| func newIngressAdaptorFromV1(ingress *v1.Ingress) ingressAdaptor { | ||
| return &ingressAdaptorV1{ingress: ingress} | ||
| } | ||
|
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| func (i *ingressAdaptorV1) name() string { return i.ingress.Name } | ||
| func (i *ingressAdaptorV1) namespace() string { return i.ingress.Namespace } | ||
| func (i *ingressAdaptorV1) labels() map[string]string { return i.ingress.Labels } | ||
| func (i *ingressAdaptorV1) annotations() map[string]string { return i.ingress.Annotations } | ||
| func (i *ingressAdaptorV1) ingressClassName() *string { return i.ingress.Spec.IngressClassName } | ||
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| func (i *ingressAdaptorV1) tlsHosts() []string { | ||
| var hosts []string | ||
| for _, tls := range i.ingress.Spec.TLS { | ||
| for _, host := range tls.Hosts { | ||
| hosts = append(hosts, host) | ||
| } | ||
| } | ||
| return hosts | ||
| } | ||
|
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| func (i *ingressAdaptorV1) rules() []ingressRuleAdaptor { | ||
| var rules []ingressRuleAdaptor | ||
| for _, rule := range i.ingress.Spec.Rules { | ||
| rules = append(rules, newIngressRuleAdaptorFromV1(rule)) | ||
| } | ||
| return rules | ||
| } | ||
|
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| type ingressRuleAdaptorV1 struct { | ||
| rule v1.IngressRule | ||
| } | ||
|
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| func newIngressRuleAdaptorFromV1(rule v1.IngressRule) ingressRuleAdaptor { | ||
| return &ingressRuleAdaptorV1{rule: rule} | ||
| } | ||
|
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| func (i *ingressRuleAdaptorV1) paths() []string { | ||
| rv := i.rule.IngressRuleValue | ||
| if rv.HTTP == nil { | ||
| return nil | ||
| } | ||
| paths := make([]string, len(rv.HTTP.Paths)) | ||
| for n, p := range rv.HTTP.Paths { | ||
| paths[n] = p.Path | ||
| } | ||
| return paths | ||
| } | ||
|
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| func (i *ingressRuleAdaptorV1) host() string { return i.rule.Host } | ||
|
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| // Adaptor for networking.k8s.io/v1beta1 | ||
| type ingressAdaptorV1Beta1 struct { | ||
| ingress *v1beta1.Ingress | ||
| } | ||
|
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| func newIngressAdaptorFromV1beta1(ingress *v1beta1.Ingress) ingressAdaptor { | ||
| return &ingressAdaptorV1Beta1{ingress: ingress} | ||
| } | ||
|
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| func (i *ingressAdaptorV1Beta1) name() string { return i.ingress.Name } | ||
| func (i *ingressAdaptorV1Beta1) namespace() string { return i.ingress.Namespace } | ||
| func (i *ingressAdaptorV1Beta1) labels() map[string]string { return i.ingress.Labels } | ||
| func (i *ingressAdaptorV1Beta1) annotations() map[string]string { return i.ingress.Annotations } | ||
| func (i *ingressAdaptorV1Beta1) ingressClassName() *string { return i.ingress.Spec.IngressClassName } | ||
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| func (i *ingressAdaptorV1Beta1) tlsHosts() []string { | ||
| var hosts []string | ||
| for _, tls := range i.ingress.Spec.TLS { | ||
| for _, host := range tls.Hosts { | ||
| hosts = append(hosts, host) | ||
| } | ||
| } | ||
| return hosts | ||
| } | ||
|
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| func (i *ingressAdaptorV1Beta1) rules() []ingressRuleAdaptor { | ||
| var rules []ingressRuleAdaptor | ||
| for _, rule := range i.ingress.Spec.Rules { | ||
| rules = append(rules, newIngressRuleAdaptorFromV1Beta1(rule)) | ||
| } | ||
| return rules | ||
| } | ||
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| type ingressRuleAdaptorV1Beta1 struct { | ||
| rule v1beta1.IngressRule | ||
| } | ||
|
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| func newIngressRuleAdaptorFromV1Beta1(rule v1beta1.IngressRule) ingressRuleAdaptor { | ||
| return &ingressRuleAdaptorV1Beta1{rule: rule} | ||
| } | ||
|
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| func (i *ingressRuleAdaptorV1Beta1) paths() []string { | ||
| rv := i.rule.IngressRuleValue | ||
| if rv.HTTP == nil { | ||
| return nil | ||
| } | ||
| paths := make([]string, len(rv.HTTP.Paths)) | ||
| for n, p := range rv.HTTP.Paths { | ||
| paths[n] = p.Path | ||
| } | ||
| return paths | ||
| } | ||
|
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| func (i *ingressRuleAdaptorV1Beta1) host() string { return i.rule.Host } |