90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package config
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import (
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"github.com/derailed/k9s/internal/client"
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"github.com/rs/zerolog/log"
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)
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const (
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// MaxFavoritesNS number # favorite namespaces to keep in the configuration.
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MaxFavoritesNS = 9
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defaultNS = "default"
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allNS = "all"
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)
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// Namespace tracks active and favorites namespaces.
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type Namespace struct {
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Active string `yaml:"active"`
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Favorites []string `yaml:"favorites"`
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}
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// NewNamespace create a new namespace configuration.
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func NewNamespace() *Namespace {
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return &Namespace{
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Active: defaultNS,
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Favorites: []string{"default"},
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}
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}
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// Validate a namespace is setup correctly.
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func (n *Namespace) Validate(c client.Connection, ks KubeSettings) {
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nns, err := c.ValidNamespaces()
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if err != nil {
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return
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}
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nn := client.NamespaceNames(nns)
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if !n.isAllNamespaces() && !InList(nn, n.Active) {
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log.Error().Msgf("[Config] Validation error active namespace %q does not exists", n.Active)
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}
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for _, ns := range n.Favorites {
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if ns != allNS && !InList(nn, ns) {
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log.Debug().Msgf("[Config] Invalid favorite found '%s' - %t", ns, n.isAllNamespaces())
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n.rmFavNS(ns)
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}
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}
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}
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// SetActive set the active namespace.
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func (n *Namespace) SetActive(ns string, ks KubeSettings) error {
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n.Active = ns
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if ns != "" {
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n.addFavNS(ns)
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}
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return nil
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}
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func (n *Namespace) isAllNamespaces() bool {
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return n.Active == allNS || n.Active == ""
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}
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func (n *Namespace) addFavNS(ns string) {
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if InList(n.Favorites, ns) {
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return
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}
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nfv := make([]string, 0, MaxFavoritesNS)
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nfv = append(nfv, ns)
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for i := 0; i < len(n.Favorites); i++ {
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if i+1 < MaxFavoritesNS {
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nfv = append(nfv, n.Favorites[i])
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}
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}
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n.Favorites = nfv
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}
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func (n *Namespace) rmFavNS(ns string) {
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victim := -1
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for i, f := range n.Favorites {
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if f == ns {
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victim = i
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break
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}
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}
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if victim < 0 {
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return
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}
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n.Favorites = append(n.Favorites[:victim], n.Favorites[victim+1:]...)
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}
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