140 lines
2.9 KiB
Go
140 lines
2.9 KiB
Go
package resource
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import (
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"strings"
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"github.com/derailed/k9s/internal/k8s"
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"github.com/rs/zerolog/log"
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v1 "k8s.io/api/core/v1"
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"k8s.io/api/extensions/v1beta1"
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)
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// Ingress tracks a kubernetes resource.
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type Ingress struct {
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*Base
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instance *v1beta1.Ingress
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}
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// NewIngressList returns a new resource list.
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func NewIngressList(ns string) List {
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return NewIngressListWithArgs(ns, NewIngress())
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}
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// NewIngressListWithArgs returns a new resource list.
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func NewIngressListWithArgs(ns string, res Resource) List {
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return newList(ns, "ing", res, AllVerbsAccess|DescribeAccess)
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}
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// NewIngress instantiates a new Endpoint.
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func NewIngress() *Ingress {
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return NewIngressWithArgs(k8s.NewIngress())
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}
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// NewIngressWithArgs instantiates a new Endpoint.
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func NewIngressWithArgs(r k8s.Res) *Ingress {
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ep := &Ingress{
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Base: &Base{
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caller: r,
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},
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}
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ep.creator = ep
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return ep
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}
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// NewInstance builds a new Endpoint instance from a k8s resource.
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func (*Ingress) NewInstance(i interface{}) Columnar {
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cm := NewIngress()
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switch i.(type) {
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case *v1beta1.Ingress:
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cm.instance = i.(*v1beta1.Ingress)
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case v1beta1.Ingress:
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ii := i.(v1beta1.Ingress)
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cm.instance = &ii
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default:
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log.Fatal().Msgf("Unknown %#v", i)
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}
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cm.path = cm.namespacedName(cm.instance.ObjectMeta)
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return cm
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}
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// Marshal resource to yaml.
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func (r *Ingress) Marshal(path string) (string, error) {
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ns, n := namespaced(path)
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i, err := r.caller.Get(ns, n)
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if err != nil {
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return "", err
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}
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ing := i.(*v1beta1.Ingress)
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ing.TypeMeta.APIVersion = "extensions/v1beta1"
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ing.TypeMeta.Kind = "Ingress"
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return r.marshalObject(ing)
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}
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// Header return resource header.
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func (*Ingress) Header(ns string) Row {
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hh := Row{}
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if ns == AllNamespaces {
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hh = append(hh, "NAMESPACE")
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}
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return append(hh, "NAME", "HOSTS", "ADDRESS", "PORT", "AGE")
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}
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// Fields retrieves displayable fields.
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func (r *Ingress) Fields(ns string) Row {
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ff := make([]string, 0, len(r.Header(ns)))
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i := r.instance
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if ns == AllNamespaces {
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ff = append(ff, i.Namespace)
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}
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return append(ff,
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i.Name,
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r.toHosts(i.Spec.Rules),
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r.toAddress(i.Status.LoadBalancer),
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r.toPorts(i.Spec.TLS),
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toAge(i.ObjectMeta.CreationTimestamp),
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)
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}
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// ExtFields returns extended fields in relation to headers.
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func (*Ingress) ExtFields() Properties {
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return Properties{}
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}
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// Helpers...
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func (*Ingress) toAddress(lbs v1.LoadBalancerStatus) string {
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ings := lbs.Ingress
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res := make([]string, 0, len(ings))
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for _, lb := range ings {
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if len(lb.IP) > 0 {
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res = append(res, lb.IP)
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} else if len(lb.Hostname) != 0 {
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res = append(res, lb.Hostname)
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}
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}
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return strings.Join(res, ",")
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}
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func (*Ingress) toPorts(tls []v1beta1.IngressTLS) string {
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if len(tls) != 0 {
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return "80, 443"
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}
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return "80"
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}
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func (*Ingress) toHosts(rr []v1beta1.IngressRule) string {
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var s string
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var i int
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for _, r := range rr {
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s += r.Host
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if i < len(rr)-1 {
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s += ","
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}
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i++
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}
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return s
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}
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