Add duration proxy status

istioctl/pkg/writer/pilot/status.go

@@ -21,6 +21,7 @@ import (
 	"sort"
 	"strings"
 	"text/tabwriter"
+	"time"
 
 	v2 "istio.io/istio/pilot/pkg/proxy/envoy/v2"
 )
@@ -103,5 +104,17 @@ func xdsStatus(sent, acked string) string {
 	if sent == acked {
 		return "SYNCED"
 	}
-	return "STALE"
+	timeSent, _ := parseTime(sent)
+	timeAcked, _ := parseTime(acked)
+	if timeAcked.Equal(time.Time{}) {
+		return "STALE (Never Acknowledged)"
+	}
+	timeDiff := timeSent.Sub(timeAcked)
+	return fmt.Sprintf("STALE (%v)", timeDiff.String())
+}
+
+func parseTime(s string) (time.Time, error) {
+	s = strings.Split(s, " m=+")[0]
+	layout := "2006-01-02 15:04:05 +0000 MST"
+	return time.Parse(layout, s)
 }

istioctl/pkg/writer/pilot/status_test.go

@@ -19,6 +19,7 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 
@@ -38,6 +39,7 @@ func TestStatusWriter_PrintAll(t *testing.T) {
 			input: map[string][]v2.SyncStatus{
 				"pilot1": statusInput1(),
 				"pilot2": statusInput2(),
+				"pilot3": statusInput3(),
 			},
 			want: "testdata/multiStatusMultiPilot.txt",
 		},
@@ -177,3 +179,19 @@ func statusInput2() []v2.SyncStatus {
 		},
 	}
 }
+
+func statusInput3() []v2.SyncStatus {
+	return []v2.SyncStatus{
+		{
+			ProxyID:       "proxy3",
+			ProxyVersion:  "1.0",
+			ClusterSent:   "2009-11-10 23:00:00 +0000 UTC m=+0.000000001",
+			ClusterAcked:  time.Time{}.String(),
+			ListenerAcked: "2009-11-10 23:00:00 +0000 UTC m=+0.000000001",
+			EndpointSent:  "2009-11-10 23:00:00 +0000 UTC m=+0.000000001",
+			EndpointAcked: time.Time{}.String(),
+			RouteSent:     "2009-11-10 23:00:00 +0000 UTC m=+0.000000001",
+			RouteAcked:    "2009-11-10 23:00:00 +0000 UTC m=+0.000000001",
+		},
+	}
+}

istioctl/pkg/writer/pilot/testdata/multiStatusMultiPilot.txt

@@ -1,3 +1,4 @@
-NAME       CDS       LDS        EDS               RDS          PILOT      VERSION
-proxy1     STALE     SYNCED     SYNCED (100%)     NOT SENT     pilot1     1.0
-proxy2     STALE     SYNCED     STALE (0%)        SYNCED       pilot2     1.0
+NAME       CDS                            LDS          EDS                                 RDS          PILOT      VERSION
+proxy1     STALE (1h0m0s)                 SYNCED       SYNCED (100%)                       NOT SENT     pilot1     1.0
+proxy2     STALE (1h0m0s)                 SYNCED       STALE (1h0m0s) (0%)                 SYNCED       pilot2     1.0
+proxy3     STALE (Never Acknowledged)     NOT SENT     STALE (Never Acknowledged) (0%)     SYNCED       pilot3     1.0

istioctl/pkg/writer/pilot/testdata/multiStatusSinglePilot.txt

@@ -1,3 +1,3 @@
-NAME       CDS       LDS        EDS               RDS          PILOT      VERSION
-proxy1     STALE     SYNCED     SYNCED (100%)     NOT SENT     pilot1     1.0
-proxy2     STALE     SYNCED     STALE (0%)        SYNCED       pilot1     1.0
+NAME       CDS                LDS        EDS                     RDS          PILOT      VERSION
+proxy1     STALE (1h0m0s)     SYNCED     SYNCED (100%)           NOT SENT     pilot1     1.0
+proxy2     STALE (1h0m0s)     SYNCED     STALE (1h0m0s) (0%)     SYNCED       pilot1     1.0

istioctl/pkg/writer/pilot/testdata/singleStatus.txt

@@ -1,2 +1,2 @@
-NAME       CDS       LDS        EDS            RDS        PILOT      VERSION
-proxy2     STALE     SYNCED     STALE (0%)     SYNCED     pilot2     1.0
+NAME       CDS                LDS        EDS                     RDS        PILOT      VERSION
+proxy2     STALE (1h0m0s)     SYNCED     STALE (1h0m0s) (0%)     SYNCED     pilot2     1.0