add get command missing fields STATUS and AGE

Author: jerr

pkg/cmd/get.go

@@ -4,12 +4,16 @@ import (
 	"fmt"
 	"io"
 	"text/tabwriter"
+	"time"
 
 	"github.com/iovisor/kubectl-trace/pkg/factory"
 	"github.com/iovisor/kubectl-trace/pkg/meta"
 	"github.com/iovisor/kubectl-trace/pkg/tracejob"
 	"github.com/spf13/cobra"
 	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/duration"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	"k8s.io/cli-runtime/pkg/genericclioptions"
 	batchv1client "k8s.io/client-go/kubernetes/typed/batch/v1"
 	corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
@@ -187,7 +191,21 @@ func jobsTablePrint(o io.Writer, jobs []tracejob.TraceJob) {
 	// them as missing.
 	fmt.Fprintf(w, format, "NAMESPACE", "NODE", "NAME", "STATUS", "AGE")
 	for _, j := range jobs {
-		fmt.Fprintf(w, "\n"+format, j.Namespace, j.Hostname, j.Name, "<missing>", "<missing>")
+		status := j.Status
+		if status == "" {
+			status = tracejob.TraceJobUnknown
+		}
+		fmt.Fprintf(w, "\n"+format, j.Namespace, j.Hostname, j.Name, status, translateTimestampSince(j.StartTime))
 	}
 	fmt.Fprintf(w, "\n")
 }
+
+// translateTimestampSince returns the elapsed time since timestamp in
+// human-readable approximation.
+func translateTimestampSince(timestamp metav1.Time) string {
+	if timestamp.IsZero() {
+		return "<unknown>"
+	}
+
+	return duration.HumanDuration(time.Since(timestamp.Time))
+}

pkg/tracejob/job.go

@@ -35,6 +35,8 @@ type TraceJob struct {
 	ImageNameTag     string
 	InitImageNameTag string
 	FetchHeaders     bool
+	StartTime        metav1.Time
+	Status           TraceJobStatus
 }
 
 // WithOutStream setup a file stream to output trace job operation information
@@ -129,6 +131,8 @@ func (t *TraceJobClient) GetJob(nf TraceJobFilter) ([]TraceJob, error) {
 			ID:        types.UID(id),
 			Namespace: j.Namespace,
 			Hostname:  hostname,
+			StartTime: *j.Status.StartTime,
+			Status:    jobStatus(j),
 		}
 		tjobs = append(tjobs, tj)
 	}
@@ -362,3 +366,31 @@ func jobHostname(j batchv1.Job) (string, error) {
 
 	return "", fmt.Errorf("hostname not found for job")
 }
+
+// TraceJobStatus is a label for the running status of a trace job at the current time.
+type TraceJobStatus string
+
+// These are the valid status of traces.
+const (
+	// TraceJobRunning means the trace job has active pods.
+	TraceJobRunning TraceJobStatus = "Running"
+	// TraceJobCompleted means the trace job does not have any active pod and has success pods.
+	TraceJobCompleted TraceJobStatus = "Completed"
+	// TraceJobCompleted means the trace job does not have any active or success pod and has fpods that failed.
+	TraceJobFailed TraceJobStatus = "Failed"
+	// TraceJobUnknown means that for some reason we do not have the information to determine the status.
+	TraceJobUnknown TraceJobStatus = "Unknown"
+)
+
+func jobStatus(j batchv1.Job) TraceJobStatus {
+	if j.Status.Active > 0 {
+		return TraceJobRunning
+	}
+	if j.Status.Succeeded > 0 {
+		return TraceJobCompleted
+	}
+	if j.Status.Failed > 0 {
+		return TraceJobFailed
+	}
+	return TraceJobUnknown
+}

vendor/k8s.io/apimachinery/pkg/util/duration/duration.go

@@ -246,6 +246,7 @@ k8s.io/api/storage/v1beta1
 k8s.io/apimachinery/pkg/apis/meta/v1
 k8s.io/apimachinery/pkg/types
 k8s.io/apimachinery/pkg/util/wait
+k8s.io/apimachinery/pkg/util/duration
 k8s.io/apimachinery/pkg/util/uuid
 k8s.io/apimachinery/pkg/api/meta
 k8s.io/apimachinery/pkg/runtime/schema