111 lines
2.1 KiB
Go
111 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/gdamore/tcell"
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)
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// Forwarder represents a port forwarder.
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type Forwarder interface {
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// Path returns a resource FQN.
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Path() string
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// Container returns a container name.
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Container() string
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// Ports returns container exposed ports.
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Ports() []string
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// Active returns forwarder current state.
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Active() bool
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// Age returns forwarder age.
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Age() string
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}
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// Forward renders a portforwards to screen.
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type Forward struct{}
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// ColorerFunc colors a resource row.
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func (Forward) ColorerFunc() ColorerFunc {
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return func(ns string, re RowEvent) tcell.Color {
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return tcell.ColorSkyblue
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}
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}
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// Header returns a header row.
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func (Forward) Header(ns string) HeaderRow {
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return HeaderRow{
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Header{Name: "NAMESPACE"},
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Header{Name: "NAME"},
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Header{Name: "CONTAINER"},
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Header{Name: "PORTS"},
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Header{Name: "URL"},
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Header{Name: "C"},
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Header{Name: "N"},
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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 (f Forward) Render(o interface{}, gvr string, r *Row) error {
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pf, ok := o.(PortForwarder)
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if !ok {
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return fmt.Errorf("expecting a portforward but got %T", o)
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}
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ports := strings.Split(pf.Ports()[0], ":")
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ns, na := Namespaced(pf.Path())
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r.ID = pf.Path()
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r.Fields = Fields{
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ns,
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na,
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pf.Container(),
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strings.Join(pf.Ports(), ","),
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UrlFor(pf.Host(), pf.HttpPath(), ports[0]),
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asNum(pf.C()),
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asNum(pf.N()),
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pf.Age(),
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}
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return nil
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}
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// Helpers...
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type PortForwarder interface {
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Forwarder
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BenchConfigurator
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}
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type BenchConfigurators map[string]BenchConfigurator
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type BenchConfigurator interface {
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// C returns the number of concurent connections.
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C() int
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// N returns the number of requests.
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N() int
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// Host returns the forward host address.
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Host() string
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// Path returns the http path.
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HttpPath() string
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}
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// UrlFor computes fq url for a given benchmark configuration.
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func UrlFor(host, path, port string) string {
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if host == "" {
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host = "localhost"
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}
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if path == "" {
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path = "/"
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}
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return "http://" + host + ":" + port + path
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}
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