func printTable(out io.Writer, nodes []swarm.Node, info types.Info) {
writer := tabwriter.NewWriter(out, 0, 4, 2, ' ', 0)
// Ignore flushing errors
defer writer.Flush()
fmt.Fprintf(writer, listItemFmt, "ID", "HOSTNAME", "STATUS", "AVAILABILITY", "MANAGER STATUS")
for _, node := range nodes {
name := node.Description.Hostname
availability := string(node.Spec.Availability)
reachability := ""
if node.ManagerStatus != nil {
if node.ManagerStatus.Leader {
reachability = "Leader"
} else {
reachability = string(node.ManagerStatus.Reachability)
}
}
ID := node.ID
if node.ID == info.Swarm.NodeID {
ID = ID + " *"
}
fmt.Fprintf(
writer,
listItemFmt,
ID,
name,
client.PrettyPrint(string(node.Status.State)),
client.PrettyPrint(availability),
client.PrettyPrint(reachability))
}
}
// Print task information in a table format
func Print(dockerCli *client.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,
client.PrettyPrint(task.DesiredState),
client.PrettyPrint(task.Status.State),
strings.ToLower(units.HumanDuration(time.Since(task.Status.Timestamp))),
taskErr,
)
}
return nil
}
func printTable(out io.Writer, nodes []swarm.Node, info types.Info) {
writer := tabwriter.NewWriter(out, 0, 4, 2, ' ', 0)
// Ignore flushing errors
defer writer.Flush()
fmt.Fprintf(writer, listItemFmt, "ID", "NAME", "MEMBERSHIP", "STATUS", "AVAILABILITY", "MANAGER STATUS", "LEADER")
for _, node := range nodes {
name := node.Spec.Name
availability := string(node.Spec.Availability)
membership := string(node.Spec.Membership)
if name == "" {
name = node.Description.Hostname
}
leader := ""
if node.ManagerStatus != nil && node.ManagerStatus.Leader {
leader = "Yes"
}
reachability := ""
if node.ManagerStatus != nil {
reachability = string(node.ManagerStatus.Reachability)
}
ID := node.ID
if node.ID == info.Swarm.NodeID {
ID = ID + " *"
}
fmt.Fprintf(
writer,
listItemFmt,
ID,
name,
client.PrettyPrint(membership),
client.PrettyPrint(string(node.Status.State)),
client.PrettyPrint(availability),
client.PrettyPrint(reachability),
leader)
}
}
// Print task information in a table format
func Print(dockerCli *client.DockerCli, ctx context.Context, tasks []swarm.Task, resolver *idresolver.IDResolver) 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", "SERVICE", "IMAGE", "LAST STATE", "DESIRED STATE", "NODE"}, "\t"))
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)
}
fmt.Fprintf(
writer,
psTaskItemFmt,
task.ID,
name,
serviceValue,
task.Spec.ContainerSpec.Image,
client.PrettyPrint(task.Status.State),
units.HumanDuration(time.Since(task.Status.Timestamp)),
client.PrettyPrint(task.DesiredState),
nodeValue,
)
}
return nil
}
// TODO: use a template
func printNode(out io.Writer, node swarm.Node) {
fmt.Fprintf(out, "ID:\t\t\t%s\n", node.ID)
ioutils.FprintfIfNotEmpty(out, "Name:\t\t\t%s\n", node.Spec.Name)
if node.Spec.Labels != nil {
fmt.Fprintln(out, "Labels:")
for k, v := range node.Spec.Labels {
fmt.Fprintf(out, " - %s = %s\n", k, v)
}
}
ioutils.FprintfIfNotEmpty(out, "Hostname:\t\t%s\n", node.Description.Hostname)
fmt.Fprintln(out, "Status:")
fmt.Fprintf(out, " State:\t\t\t%s\n", client.PrettyPrint(node.Status.State))
ioutils.FprintfIfNotEmpty(out, " Message:\t\t%s\n", client.PrettyPrint(node.Status.Message))
fmt.Fprintf(out, " Availability:\t\t%s\n", client.PrettyPrint(node.Spec.Availability))
if node.ManagerStatus != nil {
fmt.Fprintln(out, "Manager Status:")
fmt.Fprintf(out, " Address:\t\t%s\n", node.ManagerStatus.Addr)
fmt.Fprintf(out, " Raft Status:\t\t%s\n", client.PrettyPrint(node.ManagerStatus.Reachability))
leader := "No"
if node.ManagerStatus.Leader {
leader = "Yes"
}
fmt.Fprintf(out, " Leader:\t\t%s\n", leader)
}
fmt.Fprintln(out, "Platform:")
fmt.Fprintf(out, " Operating System:\t%s\n", node.Description.Platform.OS)
fmt.Fprintf(out, " Architecture:\t\t%s\n", node.Description.Platform.Architecture)
fmt.Fprintln(out, "Resources:")
fmt.Fprintf(out, " CPUs:\t\t\t%d\n", node.Description.Resources.NanoCPUs/1e9)
fmt.Fprintf(out, " Memory:\t\t%s\n", units.BytesSize(float64(node.Description.Resources.MemoryBytes)))
var pluginTypes []string
pluginNamesByType := map[string][]string{}
for _, p := range node.Description.Engine.Plugins {
// append to pluginTypes only if not done previously
if _, ok := pluginNamesByType[p.Type]; !ok {
pluginTypes = append(pluginTypes, p.Type)
}
pluginNamesByType[p.Type] = append(pluginNamesByType[p.Type], p.Name)
}
if len(pluginTypes) > 0 {
fmt.Fprintln(out, "Plugins:")
sort.Strings(pluginTypes) // ensure stable output
for _, pluginType := range pluginTypes {
fmt.Fprintf(out, " %s:\t\t%s\n", pluginType, strings.Join(pluginNamesByType[pluginType], ", "))
}
}
fmt.Fprintf(out, "Engine Version:\t\t%s\n", node.Description.Engine.EngineVersion)
if len(node.Description.Engine.Labels) != 0 {
fmt.Fprintln(out, "Engine Labels:")
for k, v := range node.Description.Engine.Labels {
fmt.Fprintf(out, " - %s = %s", k, v)
}
}
}