102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
package render
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import (
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"fmt"
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"strings"
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"github.com/derailed/k9s/internal/client"
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v1 "k8s.io/api/core/v1"
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"k8s.io/api/extensions/v1beta1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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)
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// Ingress renders a K8s Ingress to screen.
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type Ingress struct{}
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// ColorerFunc colors a resource row.
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func (Ingress) ColorerFunc() ColorerFunc {
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return DefaultColorer
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}
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// Header returns a header row.
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func (Ingress) Header(ns string) HeaderRow {
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var h HeaderRow
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if client.IsAllNamespaces(ns) {
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h = append(h, Header{Name: "NAMESPACE"})
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}
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return append(h,
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Header{Name: "NAME"},
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Header{Name: "HOSTS"},
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Header{Name: "ADDRESS"},
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Header{Name: "PORT"},
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Header{Name: "AGE", Decorator: AgeDecorator},
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)
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}
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// Render renders a K8s resource to screen.
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func (i Ingress) Render(o interface{}, ns string, r *Row) error {
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raw, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("Expected Ingress, but got %T", o)
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}
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var ing v1beta1.Ingress
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &ing)
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if err != nil {
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return err
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}
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r.ID = client.MetaFQN(ing.ObjectMeta)
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r.Fields = make(Fields, 0, len(i.Header(ns)))
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if client.IsAllNamespaces(ns) {
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r.Fields = append(r.Fields, ing.Namespace)
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}
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r.Fields = append(r.Fields,
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ing.Name,
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toHosts(ing.Spec.Rules),
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toAddress(ing.Status.LoadBalancer),
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toTLSPorts(ing.Spec.TLS),
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toAge(ing.ObjectMeta.CreationTimestamp),
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)
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return nil
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}
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// ----------------------------------------------------------------------------
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// Helpers...
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func 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 toTLSPorts(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 toHosts(rr []v1beta1.IngressRule) string {
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hh := make([]string, 0, len(rr))
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for _, r := range rr {
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if r.Host == "" {
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r.Host = "*"
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}
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hh = append(hh, r.Host)
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}
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return strings.Join(hh, ",")
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}
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