fix #520 $518 #517 #516 #506

internal/client/client.go

@@ -22,23 +22,25 @@ import (
 )
 
 const (
-	cacheSize   = 100
+	cacheSize        = 100
-	cacheExpiry = 5 * time.Minute
+	cacheExpiry      = 5 * time.Minute
-	cacheMXKey  = "metrics"
+	cacheMXKey       = "metrics"
+	checkConnTimeout = 10 * time.Second
 )
 
 var supportedMetricsAPIVersions = []string{"v1beta1"}
 
 // APIClient represents a Kubernetes api client.
 type APIClient struct {
-	client       kubernetes.Interface
+	checkClientSet *kubernetes.Clientset
-	dClient      dynamic.Interface
+	client         kubernetes.Interface
-	nsClient     dynamic.NamespaceableResourceInterface
+	dClient        dynamic.Interface
-	mxsClient    *versioned.Clientset
+	nsClient       dynamic.NamespaceableResourceInterface
-	cachedClient *disk.CachedDiscoveryClient
+	mxsClient      *versioned.Clientset
-	config       *Config
+	cachedClient   *disk.CachedDiscoveryClient
-	mx           sync.Mutex
+	config         *Config
-	cache        *cache.LRUExpireCache
+	mx             sync.Mutex
+	cache          *cache.LRUExpireCache
 }
 
 // InitConnectionOrDie initialize connection from command line args.
@@ -134,17 +136,26 @@ func (a *APIClient) CheckConnectivity() (status bool) {
 		}
 	}()
 
-	client, ok := a.DialOrDie().(*kubernetes.Clientset)
+	if a.checkClientSet == nil {
-	if !ok {
+		cfg, err := a.config.flags.ToRESTConfig()
-		return status
+		if err != nil {
+			return
+		}
+		cfg.Timeout = checkConnTimeout
+
+		if a.checkClientSet, err = kubernetes.NewForConfig(cfg); err != nil {
+			log.Error().Err(err).Msgf("Unable to connect to api server")
+			return
+		}
 	}
-	if _, err := client.ServerVersion(); err != nil {
+
+	if _, err := a.checkClientSet.ServerVersion(); err != nil {
 		log.Error().Err(err).Msgf("K9s can't connect to cluster")
 	} else {
 		status = true
 	}
 
-	return status
+	return
 }
 
 // Config return a kubernetes configuration.

internal/client/config.go

@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"sync"
-	"time"
 
 	"github.com/rs/zerolog/log"
 	v1 "k8s.io/api/core/v1"
@@ -15,9 +14,8 @@ import (
 )
 
 const (
-	defaultQPS     = 100
+	defaultQPS   = 50
-	defaultBurst   = 50
+	defaultBurst = 50
-	defaultTimeout = 10 * time.Second
 )
 
 // Config tracks a kubernetes configuration.
@@ -289,7 +287,6 @@ func (c *Config) RESTConfig() (*restclient.Config, error) {
 	}
 	c.restConfig.QPS = defaultQPS
 	c.restConfig.Burst = defaultBurst
-	c.restConfig.Timeout = defaultTimeout
 	log.Debug().Msgf("Connecting to API Server %s", c.restConfig.Host)
 
 	return c.restConfig, nil

internal/dao/pod.go

@@ -249,6 +249,7 @@ func readLogs(ctx context.Context, stream io.ReadCloser, c chan<- string, opts L
 			c <- opts.DecorateLog(scanner.Text())
 		}
 	}
+	log.Error().Msgf("SCAN_ERR %#v", scanner.Err())
 }
 
 // ----------------------------------------------------------------------------

internal/model/log.go

@@ -137,7 +137,9 @@ func (l *Log) load() error {
 	}
 
 	if err := logger.TailLogs(ctx, c, l.logOptions); err != nil {
-		l.cancelFn()
+		if l.cancelFn != nil {
+			l.cancelFn()
+		}
 		close(c)
 		return err
 	}
@@ -150,7 +152,6 @@ func (l *Log) Append(line string) {
 	if line == "" {
 		return
 	}
-	log.Debug().Msgf("LINE %q", line)
 	l.mx.Lock()
 	defer l.mx.Unlock()
 
@@ -168,7 +169,6 @@ func (l *Log) Append(line string) {
 	if l.lastSent < 0 {
 		l.lastSent = 0
 	}
-	log.Debug().Msgf("LINES %v -- %v", l.lines, l.lastSent)
 }
 
 // Notify fires of notifications to the listeners.
@@ -176,7 +176,7 @@ func (l *Log) Notify(timedOut bool) {
 	l.mx.Lock()
 	defer l.mx.Unlock()
 
-	if timedOut || l.lastSent < len(l.lines) {
+	if timedOut && l.lastSent < len(l.lines) {
 		l.fireLogBuffChanged(l.lines[l.lastSent:])
 		l.lastSent = len(l.lines)
 	}
@@ -225,6 +225,9 @@ func (l *Log) RemoveListener(listener LogsListener) {
 }
 
 func applyFilter(q string, lines []string) ([]string, error) {
+	if q == "" {
+		return lines, nil
+	}
 	indexes, err := filter(q, lines)
 	if err != nil {
 		return nil, err

internal/model/log_test.go

@@ -29,7 +29,7 @@ func TestLogFullBuffer(t *testing.T) {
 		data = append(data, "line"+strconv.Itoa(i))
 		m.Append(data[i])
 	}
-	m.Notify(false)
+	m.Notify(true)
 
 	assert.Equal(t, 1, v.dataCalled)
 	assert.Equal(t, 1, v.clearCalled)

internal/view/log.go

@@ -57,7 +57,6 @@ func NewLog(gvr client.GVR, path, co string, prev bool) *Log {
 
 // Init initialiazes the viewer.
 func (l *Log) Init(ctx context.Context) (err error) {
-	log.Debug().Msgf(">>> Logs INIT")
 	if l.app, err = extractApp(ctx); err != nil {
 		return err
 	}
@@ -235,9 +234,6 @@ func (l *Log) write(lines string) {
 
 // Flush write logs to viewer.
 func (l *Log) Flush(lines []string) {
-	if !l.indicator.AutoScroll() {
-		return
-	}
 	l.write(strings.Join(lines, "\n"))
 	l.indicator.Refresh()
 	l.logs.ScrollToEnd()
@@ -356,6 +352,11 @@ func (l *Log) textWrapCmd(*tcell.EventKey) *tcell.EventKey {
 // ToggleAutoScrollCmd toggles autoscroll status.
 func (l *Log) ToggleAutoScrollCmd(evt *tcell.EventKey) *tcell.EventKey {
 	l.indicator.ToggleAutoScroll()
+	if l.indicator.AutoScroll() {
+		l.model.Start()
+	} else {
+		l.model.Stop()
+	}
 	return nil
 }
 

internal/view/log_test.go

@@ -34,11 +34,10 @@ func TestLogAutoScroll(t *testing.T) {
 	v.GetModel().Set([]string{"blee", "bozo"})
 	v.GetModel().Notify(true)
 
+	assert.Equal(t, 6, len(v.Hints()))
+
 	v.ToggleAutoScrollCmd(nil)
 	assert.Equal(t, " Autoscroll: Off  FullScreen: Off  Wrap: Off       ", v.Indicator().GetText(true))
-	v.ToggleAutoScrollCmd(nil)
-	assert.Equal(t, " Autoscroll: On   FullScreen: Off  Wrap: Off       ", v.Indicator().GetText(true))
-	assert.Equal(t, 6, len(v.Hints()))
 }
 
 func TestLogViewSave(t *testing.T) {