Move api/client -> cli/command

Using
  gomvpkg
     -from github.com/docker/docker/api/client
     -to github.com/docker/docker/cli/command
     -vcs_mv_cmd 'git mv {{.Src}} {{.Dst}}'

Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: 3bd1eb4b76
Component: cli

components/cli/command/task/print.go

@@ -0,0 +1,100 @@
+package task
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+	"text/tabwriter"
+	"time"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/cli/command"
+	"github.com/docker/docker/cli/command/idresolver"
+	"github.com/docker/go-units"
+)
+
+const (
+	psTaskItemFmt = "%s\t%s\t%s\t%s\t%s\t%s %s ago\t%s\n"
+	maxErrLength  = 30
+)
+
+type tasksBySlot []swarm.Task
+
+func (t tasksBySlot) Len() int {
+	return len(t)
+}
+
+func (t tasksBySlot) Swap(i, j int) {
+	t[i], t[j] = t[j], t[i]
+}
+
+func (t tasksBySlot) Less(i, j int) bool {
+	// Sort by slot.
+	if t[i].Slot != t[j].Slot {
+		return t[i].Slot < t[j].Slot
+	}
+
+	// If same slot, sort by most recent.
+	return t[j].Meta.CreatedAt.Before(t[i].CreatedAt)
+}
+
+// Print task information in a table format
+func Print(dockerCli *command.DockerCli, ctx context.Context, tasks []swarm.Task, resolver *idresolver.IDResolver, noTrunc bool) error {
+	sort.Stable(tasksBySlot(tasks))
+
+	writer := tabwriter.NewWriter(dockerCli.Out(), 0, 4, 2, ' ', 0)
+
+	// Ignore flushing errors
+	defer writer.Flush()
+	fmt.Fprintln(writer, strings.Join([]string{"ID", "NAME", "IMAGE", "NODE", "DESIRED STATE", "CURRENT STATE", "ERROR"}, "\t"))
+
+	prevName := ""
+	for _, task := range tasks {
+		serviceValue, err := resolver.Resolve(ctx, swarm.Service{}, task.ServiceID)
+		if err != nil {
+			return err
+		}
+		nodeValue, err := resolver.Resolve(ctx, swarm.Node{}, task.NodeID)
+		if err != nil {
+			return err
+		}
+
+		name := serviceValue
+		if task.Slot > 0 {
+			name = fmt.Sprintf("%s.%d", name, task.Slot)
+		}
+
+		// Indent the name if necessary
+		indentedName := name
+		if prevName == name {
+			indentedName = fmt.Sprintf(" \\_ %s", indentedName)
+		}
+		prevName = name
+
+		// Trim and quote the error message.
+		taskErr := task.Status.Err
+		if !noTrunc && len(taskErr) > maxErrLength {
+			taskErr = fmt.Sprintf("%s…", taskErr[:maxErrLength-1])
+		}
+		if len(taskErr) > 0 {
+			taskErr = fmt.Sprintf("\"%s\"", taskErr)
+		}
+
+		fmt.Fprintf(
+			writer,
+			psTaskItemFmt,
+			task.ID,
+			indentedName,
+			task.Spec.ContainerSpec.Image,
+			nodeValue,
+			command.PrettyPrint(task.DesiredState),
+			command.PrettyPrint(task.Status.State),
+			strings.ToLower(units.HumanDuration(time.Since(task.Status.Timestamp))),
+			taskErr,
+		)
+	}
+
+	return nil
+}