Fix lint build (#3066)

* clean up

* fix bug computing resource limits

* update rs rendering to match kubectl

* display ctx view if all hell fails

* clean ups and refactors

* fix linter issues

README.md

@@ -1088,12 +1088,12 @@ to make this project a reality!
 
 ## Meet The Core Team!
 
+If you have chops in GO and K8s and would like to offer your time to help maintain and enhance this project, please reach out to me.
+
 * [Fernand Galiana](https://github.com/derailed)
   * <img src="assets/mail.png" width="16" height="auto" alt="email"/>  fernand@imhotep.io
   * <img src="assets/twitter.png" width="16" height="auto" alt="twitter"/> [@kitesurfer](https://twitter.com/kitesurfer?lang=en)
 
-* [Aleksei Romanenko](https://github.com/slimus)
-
 We always enjoy hearing from folks who benefit from our work!
 
 ## Contributions Guideline

internal/client/client.go

@@ -545,16 +545,13 @@ func (a *APIClient) SwitchContext(name string) error {
 	if err := a.config.SwitchContext(name); err != nil {
 		return err
 	}
-	if err := a.invalidateCache(); err != nil {
-		return err
-	}
 	a.reset()
 	ResetMetrics()
 
 	// Need reload to pick up any kubeconfig changes.
 	a.config = NewConfig(a.config.flags)
 
-	return nil
+	return a.invalidateCache()
 }
 
 func (a *APIClient) reset() {

internal/config/data/helpers_test.go

@@ -63,7 +63,7 @@ func TestHelperInList(t *testing.T) {
 
 func TestEnsureDirPathNone(t *testing.T) {
 	var mod os.FileMode = 0744
-	dir := filepath.Join("/tmp", "fred")
+	dir := filepath.Join("/tmp", "k9s-test")
 	os.Remove(dir)
 
 	path := filepath.Join(dir, "duh.yaml")

internal/config/data/proxy.go

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Authors of K9s
+
 package data
 
 // Proxy tracks a context's proxy configuration.

internal/config/helpers.go

@@ -13,7 +13,8 @@ import (
 	v1 "k8s.io/api/core/v1"
 )
 
-func isBoolSet(b *bool) bool {
+// IsBoolSet checks if a bool ptr is set.
+func IsBoolSet(b *bool) bool {
 	return b != nil && *b
 }
 
@@ -70,8 +71,3 @@ func MustK9sUser() string {
 	}
 	return usr.Username
 }
-
-// IsBoolSet checks if a bool prt is set.
-func IsBoolSet(b *bool) bool {
-	return b != nil && *b
-}

internal/config/k9s.go

@@ -292,7 +292,7 @@ func (k *K9s) Override(k9sFlags *Flags) {
 
 // IsHeadless returns headless setting.
 func (k *K9s) IsHeadless() bool {
-	if isBoolSet(k.manualHeadless) {
+	if IsBoolSet(k.manualHeadless) {
 		return true
 	}
 
@@ -301,7 +301,7 @@ func (k *K9s) IsHeadless() bool {
 
 // IsLogoless returns logoless setting.
 func (k *K9s) IsLogoless() bool {
-	if isBoolSet(k.manualLogoless) {
+	if IsBoolSet(k.manualLogoless) {
 		return true
 	}
 
@@ -310,7 +310,7 @@ func (k *K9s) IsLogoless() bool {
 
 // IsCrumbsless returns crumbsless setting.
 func (k *K9s) IsCrumbsless() bool {
-	if isBoolSet(k.manualCrumbsless) {
+	if IsBoolSet(k.manualCrumbsless) {
 		return true
 	}
 

internal/dao/container.go

@@ -116,7 +116,7 @@ func getContainerStatus(kind string, name string, status v1.PodStatus) *v1.Conta
 func (c *Container) fetchPod(fqn string) (*v1.Pod, error) {
 	o, err := c.getFactory().Get("v1/pods", fqn, true, labels.Everything())
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("failed to locate pod %q: %w", fqn, err)
 	}
 	var po v1.Pod
 	err = runtime.DefaultUnstructuredConverter.FromUnstructured(o.(*unstructured.Unstructured).Object, &po)

internal/dao/generic.go

@@ -43,15 +43,12 @@ func (g *Generic) List(ctx context.Context, ns string) ([]runtime.Object, error)
 		ns = client.BlankNamespace
 	}
 
-	var (
-		ll  *unstructured.UnstructuredList
-		err error
-	)
 	dial, err := g.dynClient()
 	if err != nil {
 		return nil, err
 	}
 
+	var ll *unstructured.UnstructuredList
 	if client.IsClusterScoped(ns) {
 		ll, err = dial.List(ctx, metav1.ListOptions{LabelSelector: labelSel})
 	} else {
@@ -71,12 +68,13 @@ func (g *Generic) List(ctx context.Context, ns string) ([]runtime.Object, error)
 
 // Get returns a given resource.
 func (g *Generic) Get(ctx context.Context, path string) (runtime.Object, error) {
-	var opts metav1.GetOptions
 	ns, n := client.Namespaced(path)
 	dial, err := g.dynClient()
 	if err != nil {
 		return nil, err
 	}
+
+	var opts metav1.GetOptions
 	if client.IsClusterScoped(ns) {
 		return dial.Get(ctx, n, opts)
 	}

internal/dao/node.go

@@ -257,7 +257,7 @@ func FetchNode(ctx context.Context, f Factory, path string) (*v1.Node, error) {
 		return nil, fmt.Errorf("user is not authorized to list nodes")
 	}
 
-	o, err := f.Get("v1/nodes", client.FQN(client.ClusterScope, path), false, labels.Everything())
+	o, err := f.Get("v1/nodes", client.FQN(client.ClusterScope, path), true, labels.Everything())
 	if err != nil {
 		return nil, err
 	}

internal/dao/registry.go

@@ -424,7 +424,8 @@ func loadCRDs(f Factory, m ResourceMetas) {
 		var meta metav1.APIResource
 		meta.Kind = crd.Spec.Names.Kind
 		meta.Group = crd.Spec.Group
-		meta.Name = crd.Name
+		meta.Name = strings.TrimSuffix(crd.Name, "."+meta.Group)
+
 		meta.SingularName = crd.Spec.Names.Singular
 		meta.ShortNames = crd.Spec.Names.ShortNames
 		meta.Namespaced = crd.Spec.Scope == apiext.NamespaceScoped
@@ -435,11 +436,6 @@ func loadCRDs(f Factory, m ResourceMetas) {
 			}
 		}
 
-		// meta, errs := extractMeta(o)
-		// if len(errs) > 0 {
-		// 	log.Error().Err(errs[0]).Msgf("Fail to extract CRD meta (%d) errors", len(errs))
-		// 	continue
-		// }
 		meta.Categories = append(meta.Categories, crdCat)
 		gvr := client.NewGVRFromMeta(meta)
 		m[gvr] = meta

internal/render/pod.go

@@ -138,8 +138,8 @@ func (p Pod) Render(o interface{}, ns string, row *model1.Row) error {
 	}
 	c, r := gatherCoMX(&po.Spec, ccmx)
 	phase := p.Phase(&po)
-	row.ID = client.MetaFQN(po.ObjectMeta)
 
+	row.ID = client.MetaFQN(po.ObjectMeta)
 	row.Fields = model1.Fields{
 		po.Namespace,
 		po.Name,
@@ -254,7 +254,7 @@ func cosLimits(cc []v1.Container) (resource.Quantity, resource.Quantity) {
 	for _, c := range cc {
 		limits := c.Resources.Limits
 		if len(limits) == 0 {
-			return resource.Quantity{}, resource.Quantity{}
+			continue
 		}
 		if limits.Cpu() != nil {
 			cpu.Add(*limits.Cpu())
@@ -263,6 +263,7 @@ func cosLimits(cc []v1.Container) (resource.Quantity, resource.Quantity) {
 			mem.Add(*limits.Memory())
 		}
 	}
+
 	return *cpu, *mem
 }
 

internal/render/rs.go

@@ -6,6 +6,7 @@ package render
 import (
 	"fmt"
 	"strconv"
+	"strings"
 
 	"github.com/derailed/k9s/internal/client"
 	"github.com/derailed/k9s/internal/model1"
@@ -34,7 +35,9 @@ func (ReplicaSet) Header(ns string) model1.Header {
 		model1.HeaderColumn{Name: "DESIRED", Align: tview.AlignRight},
 		model1.HeaderColumn{Name: "CURRENT", Align: tview.AlignRight},
 		model1.HeaderColumn{Name: "READY", Align: tview.AlignRight},
-		model1.HeaderColumn{Name: "LABELS", Wide: true},
+		model1.HeaderColumn{Name: "CONTAINERS", Wide: true},
+		model1.HeaderColumn{Name: "IMAGES", Wide: true},
+		model1.HeaderColumn{Name: "SELECTOR", Wide: true},
 		model1.HeaderColumn{Name: "VALID", Wide: true},
 		model1.HeaderColumn{Name: "AGE", Time: true},
 	}
@@ -46,12 +49,21 @@ func (r ReplicaSet) Render(o interface{}, ns string, row *model1.Row) error {
 	if !ok {
 		return fmt.Errorf("expected ReplicaSet, but got %T", o)
 	}
+
 	var rs appsv1.ReplicaSet
 	err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &rs)
 	if err != nil {
 		return err
 	}
 
+	var (
+		cc        = rs.Spec.Template.Spec.Containers
+		cos, imgs = make([]string, 0, len(cc)), make([]string, 0, len(cc))
+	)
+	for _, co := range cc {
+		cos, imgs = append(cos, co.Name), append(imgs, co.Image)
+	}
+
 	row.ID = client.MetaFQN(rs.ObjectMeta)
 	row.Fields = model1.Fields{
 		rs.Namespace,
@@ -60,6 +72,8 @@ func (r ReplicaSet) Render(o interface{}, ns string, row *model1.Row) error {
 		strconv.Itoa(int(*rs.Spec.Replicas)),
 		strconv.Itoa(int(rs.Status.Replicas)),
 		strconv.Itoa(int(rs.Status.ReadyReplicas)),
+		strings.Join(cos, ","),
+		strings.Join(imgs, ","),
 		mapToStr(rs.Labels),
 		AsStatus(r.diagnose(rs)),
 		ToAge(rs.GetCreationTimestamp()),

internal/view/app.go

@@ -530,7 +530,7 @@ func (a *App) Run() error {
 		})
 	}()
 
-	if err := a.command.defaultCmd(); err != nil {
+	if err := a.command.defaultCmd(true); err != nil {
 		return err
 	}
 	a.SetRunning(true)

internal/view/command.go

@@ -209,19 +209,24 @@ func (c *Command) run(p *cmd.Interpreter, fqn string, clearStack bool) error {
 	return c.exec(p, gvr, co, clearStack)
 }
 
-func (c *Command) defaultCmd() error {
+func (c *Command) defaultCmd(isRoot bool) error {
 	if c.app.Conn() == nil || !c.app.Conn().ConnectionOK() {
 		return c.run(cmd.NewInterpreter("context"), "", true)
 	}
 
+	defCmd := "pod"
+	if isRoot {
+		defCmd = "ctx"
+	}
 	p := cmd.NewInterpreter(c.app.Config.ActiveView())
 	if p.IsBlank() {
-		return c.run(p.Reset("pod"), "", true)
+		return c.run(p.Reset(defCmd), "", true)
 	}
 
 	if err := c.run(p, "", true); err != nil {
-		log.Error().Err(err).Msgf("Default run command failed %q", p.GetLine())
+		p = p.Reset(defCmd)
-		return c.run(p.Reset("pod"), "", true)
+		log.Error().Err(fmt.Errorf("Command failed. Using default command: %s", p.GetLine()))
+		return c.run(p, "", true)
 	}
 
 	return nil

internal/view/log.go

@@ -393,6 +393,7 @@ func (l *Log) toggleAllContainers(evt *tcell.EventKey) *tcell.EventKey {
 
 func (l *Log) filterCmd(evt *tcell.EventKey) *tcell.EventKey {
 	if !l.logs.cmdBuff.IsActive() {
+		fmt.Fprintln(l.ansiWriter)
 		return evt
 	}
 
@@ -451,7 +452,7 @@ func (l *Log) clearCmd(*tcell.EventKey) *tcell.EventKey {
 
 func (l *Log) markCmd(*tcell.EventKey) *tcell.EventKey {
 	_, _, w, _ := l.GetRect()
-	fmt.Fprintf(l.ansiWriter, "\n[%s:-:b]%s[-:-:-]", l.app.Styles.Views().Log.FgColor.String(), strings.Repeat("─", w-4))
+	fmt.Fprintf(l.ansiWriter, "\n[%s:-:b]%s[-:-:-]", l.app.Styles.Views().Log.FgColor.String(), strings.Repeat("-", w-4))
 	l.follow = true
 
 	return nil

internal/view/pf.go

@@ -20,8 +20,6 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
-const promptPage = "prompt"
-
 // PortForward presents active portforward viewer.
 type PortForward struct {
 	ResourceViewer

internal/watch/factory.go

@@ -21,7 +21,7 @@ import (
 
 const (
 	defaultResync   = 10 * time.Minute
-	defaultWaitTime = 250 * time.Millisecond
+	defaultWaitTime = 500 * time.Millisecond
 )
 
 // Factory tracks various resource informers.
@@ -72,13 +72,13 @@ func (f *Factory) Terminate() {
 
 // List returns a resource collection.
 func (f *Factory) List(gvr, ns string, wait bool, labels labels.Selector) ([]runtime.Object, error) {
+	if client.IsAllNamespace(ns) {
+		ns = client.BlankNamespace
+	}
 	inf, err := f.CanForResource(ns, gvr, client.ListAccess)
 	if err != nil {
 		return nil, err
 	}
-	if client.IsAllNamespace(ns) {
-		ns = client.BlankNamespace
-	}
 
 	var oo []runtime.Object
 	if client.IsClusterScoped(ns) {
@@ -110,6 +110,10 @@ func (f *Factory) HasSynced(gvr, ns string) (bool, error) {
 // Get retrieves a given resource.
 func (f *Factory) Get(gvr, fqn string, wait bool, sel labels.Selector) (runtime.Object, error) {
 	ns, n := namespaced(fqn)
+	if client.IsAllNamespace(ns) {
+		ns = client.BlankNamespace
+	}
+
 	inf, err := f.CanForResource(ns, gvr, []string{client.GetVerb})
 	if err != nil {
 		return nil, err
@@ -128,6 +132,7 @@ func (f *Factory) Get(gvr, fqn string, wait bool, sel labels.Selector) (runtime.
 	if client.IsClusterScoped(ns) {
 		return inf.Lister().Get(n)
 	}
+
 	return inf.Lister().ByNamespace(ns).Get(n)
 }