88 lines
1.8 KiB
Go
88 lines
1.8 KiB
Go
package resource
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import (
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"github.com/derailed/k9s/internal/k8s"
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"github.com/rs/zerolog/log"
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)
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type (
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// Switchable represents a switchable resource.
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Switchable interface {
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Switch(ctx string) error
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MustCurrentContextName() string
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}
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// SwitchableCruder represents a resource that can be switched.
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SwitchableCruder interface {
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Cruder
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Switchable
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}
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// Context tracks a kubernetes resource.
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Context struct {
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*Base
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instance *k8s.NamedContext
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}
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)
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// NewContextList returns a new resource list.
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func NewContextList(c Connection, ns string) List {
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return NewList(NotNamespaced, "ctx", NewContext(c), SwitchAccess)
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}
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// NewContext instantiates a new Context.
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func NewContext(c Connection) *Context {
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ctx := &Context{Base: NewBase(c, k8s.NewContext(c))}
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ctx.Factory = ctx
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return ctx
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}
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// New builds a new Context instance from a k8s resource.
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func (r *Context) New(i interface{}) Columnar {
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c := NewContext(r.Connection)
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switch instance := i.(type) {
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case *k8s.NamedContext:
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c.instance = instance
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case k8s.NamedContext:
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c.instance = &instance
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default:
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log.Fatal().Msgf("unknown context type %#v", i)
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}
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c.path = c.instance.Name
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return c
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}
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// Switch out current context.
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func (r *Context) Switch(c string) error {
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return r.Resource.(Switchable).Switch(c)
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}
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// Marshal the resource to yaml.
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func (r *Context) Marshal(path string) (string, error) {
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return "", nil
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}
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// Header return resource header.
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func (*Context) Header(string) Row {
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return append(Row{}, "NAME", "CLUSTER", "AUTHINFO", "NAMESPACE")
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}
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// Fields retrieves displayable fields.
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func (r *Context) Fields(ns string) Row {
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ff := make(Row, 0, len(r.Header(ns)))
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i := r.instance
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if i.MustCurrentContextName() == i.Name {
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i.Name += "*"
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}
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return append(ff,
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i.Name,
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i.Context.Cluster,
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i.Context.AuthInfo,
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i.Context.Namespace,
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)
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}
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