Add locking favorite namespaces (#1449) (#1519)

* add locking favorite namespaces (#1449)

* let favorites be set via type default

README.md

@@ -326,6 +326,8 @@ K9s uses aliases to navigate most K8s resources.
       coolio:
         namespace:
           active: coolio
+          # With this set, the favorites list won't be updated as you switch namespaces
+          lockFavorites: false
           favorites:
           - cassandra
           - default

internal/config/config.go

@@ -259,7 +259,7 @@ func (c *Config) Validate() {
 func (c *Config) Dump(msg string) {
 	log.Debug().Msgf("Current Cluster: %s\n", c.K9s.CurrentCluster)
 	for k, cl := range c.K9s.Clusters {
-		log.Debug().Msgf("K9s cluster: %s -- %s\n", k, cl.Namespace)
+		log.Debug().Msgf("K9s cluster: %s -- %+v\n", k, cl.Namespace)
 	}
 }
 

internal/config/config_test.go

@@ -298,6 +298,7 @@ var expectedConfig = `k9s:
     blee:
       namespace:
         active: default
+        lockFavorites: false
         favorites:
         - default
       view:
@@ -316,6 +317,7 @@ var expectedConfig = `k9s:
     fred:
       namespace:
         active: default
+        lockFavorites: false
         favorites:
         - default
         - kube-public
@@ -338,6 +340,7 @@ var expectedConfig = `k9s:
     minikube:
       namespace:
         active: kube-system
+        lockFavorites: false
         favorites:
         - default
         - kube-public
@@ -389,6 +392,7 @@ var resetConfig = `k9s:
     blee:
       namespace:
         active: default
+        lockFavorites: false
         favorites:
         - default
       view:

internal/config/ns.go

@@ -14,8 +14,9 @@ const (
 
 // Namespace tracks active and favorites namespaces.
 type Namespace struct {
-	Active    string   `yaml:"active"`
-	Favorites []string `yaml:"favorites"`
+	Active        string   `yaml:"active"`
+	LockFavorites bool     `yaml:"lockFavorites"`
+	Favorites     []string `yaml:"favorites"`
 }
 
 // NewNamespace create a new namespace configuration.
@@ -48,7 +49,7 @@ func (n *Namespace) Validate(c client.Connection, ks KubeSettings) {
 // SetActive set the active namespace.
 func (n *Namespace) SetActive(ns string, ks KubeSettings) error {
 	n.Active = ns
-	if ns != "" {
+	if ns != "" && !n.LockFavorites {
 		n.addFavNS(ns)
 	}
 	return nil