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package task
import (
"errors"
"fmt"
"io"
"os"
"strings"
"text/tabwriter"
"github.com/docker/swarmkit/api"
"github.com/docker/swarmkit/cmd/swarmctl/common"
gogotypes "github.com/gogo/protobuf/types"
"github.com/spf13/cobra"
)
func printTaskStatus(w io.Writer, t *api.Task) {
fmt.Fprintln(w, "Status\t")
fmt.Fprintf(w, " Desired State\t: %s\n", t.DesiredState.String())
fmt.Fprintf(w, " Last State\t: %s\n", t.Status.State.String())
if t.Status.Timestamp != nil {
fmt.Fprintf(w, " Timestamp\t: %s\n", gogotypes.TimestampString(t.Status.Timestamp))
}
if t.Status.Message != "" {
fmt.Fprintf(w, " Message\t: %s\n", t.Status.Message)
}
if t.Status.Err != "" {
fmt.Fprintf(w, " Error\t: %s\n", t.Status.Err)
}
ctnr := t.Status.GetContainer()
if ctnr == nil {
return
}
if ctnr.ContainerID != "" {
fmt.Fprintf(w, " ContainerID:\t: %s\n", ctnr.ContainerID)
}
if ctnr.PID != 0 {
fmt.Fprintf(w, " Pid\t: %d\n", ctnr.PID)
}
if t.Status.State > api.TaskStateRunning {
fmt.Fprintf(w, " ExitCode\t: %d\n", ctnr.ExitCode)
}
if t.Status.PortStatus != nil && len(t.Status.PortStatus.Ports) > 0 {
ports := []string{}
for _, port := range t.Status.PortStatus.Ports {
ports = append(ports, fmt.Sprintf("0.0.0.0:%d->%d/%s",
port.PublishedPort, port.TargetPort, strings.ToLower(port.Protocol.String())))
}
fmt.Fprintf(w, "Ports\t: %s\n", strings.Join(ports, ", "))
}
}
func printTaskSummary(task *api.Task, res *common.Resolver) {
w := tabwriter.NewWriter(os.Stdout, 8, 8, 8, ' ', 0)
defer w.Flush()
fmt.Fprintf(w, "ID\t: %s\n", task.ID)
fmt.Fprintf(w, "Slot\t: %d\n", task.Slot)
fmt.Fprintf(w, "Service\t: %s\n", res.Resolve(api.Service{}, task.ServiceID))
printTaskStatus(w, task)
fmt.Fprintf(w, "Node\t: %s\n", res.Resolve(api.Node{}, task.NodeID))
fmt.Fprintln(w, "Spec\t")
ctr := task.Spec.GetContainer()
common.FprintfIfNotEmpty(w, " Image\t: %s\n", ctr.Image)
common.FprintfIfNotEmpty(w, " Command\t: %q\n", strings.Join(ctr.Command, " "))
common.FprintfIfNotEmpty(w, " Args\t: [%s]\n", strings.Join(ctr.Args, ", "))
common.FprintfIfNotEmpty(w, " Env\t: [%s]\n", strings.Join(ctr.Env, ", "))
if len(ctr.Secrets) > 0 {
fmt.Fprintln(w, " Secrets:")
for _, sr := range ctr.Secrets {
var targetName, mode string
if sr.GetFile() != nil {
targetName = sr.GetFile().Name
mode = "FILE"
}
fmt.Fprintf(w, " [%s] %s:%s\n", mode, sr.SecretName, targetName)
}
}
if len(ctr.Configs) > 0 {
fmt.Fprintln(w, " Configs:")
for _, cr := range ctr.Configs {
var targetName, mode string
if cr.GetFile() != nil {
targetName = cr.GetFile().Name
mode = "FILE"
}
fmt.Fprintf(w, " [%s] %s:%s\n", mode, cr.ConfigName, targetName)
}
}
}
var (
inspectCmd = &cobra.Command{
Use: "inspect <task ID>",
Short: "Inspect a task",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("task ID missing")
}
if len(args) > 1 {
return errors.New("inspect command takes exactly 1 argument")
}
c, err := common.Dial(cmd)
if err != nil {
return err
}
t, err := c.GetTask(common.Context(cmd), &api.GetTaskRequest{TaskID: args[0]})
if err != nil {
return err
}
task := t.Task
r, err := c.ListTasks(common.Context(cmd),
&api.ListTasksRequest{
Filters: &api.ListTasksRequest_Filters{
ServiceIDs: []string{task.ServiceID},
},
})
if err != nil {
return err
}
previous := []*api.Task{}
for _, t := range r.Tasks {
if t.Slot == task.Slot {
previous = append(previous, t)
}
}
res := common.NewResolver(cmd, c)
printTaskSummary(task, res)
if len(previous) > 0 {
fmt.Println("\n===> Task Parents")
Print(previous, true, res)
}
return nil
},
}
)
|
