mirror of https://github.com/docker/cli.git
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
package node
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import (
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"strings"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/docker/docker/cli/command/formatter"
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"github.com/docker/docker/cli/command/idresolver"
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"github.com/docker/docker/cli/command/task"
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"github.com/docker/docker/opts"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"golang.org/x/net/context"
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)
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type psOptions struct {
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nodeIDs []string
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noResolve bool
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noTrunc bool
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quiet bool
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format string
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filter opts.FilterOpt
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}
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func newPsCommand(dockerCli command.Cli) *cobra.Command {
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opts := psOptions{filter: opts.NewFilterOpt()}
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cmd := &cobra.Command{
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Use: "ps [OPTIONS] [NODE...]",
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Short: "List tasks running on one or more nodes, defaults to current node",
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Args: cli.RequiresMinArgs(0),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.nodeIDs = []string{"self"}
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if len(args) != 0 {
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opts.nodeIDs = args
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}
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return runPs(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Do not truncate output")
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flags.BoolVar(&opts.noResolve, "no-resolve", false, "Do not map IDs to Names")
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flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
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flags.StringVar(&opts.format, "format", "", "Pretty-print tasks using a Go template")
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flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only display task IDs")
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return cmd
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}
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func runPs(dockerCli command.Cli, opts psOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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var (
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errs []string
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tasks []swarm.Task
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)
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for _, nodeID := range opts.nodeIDs {
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nodeRef, err := Reference(ctx, client, nodeID)
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if err != nil {
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errs = append(errs, err.Error())
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continue
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}
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node, _, err := client.NodeInspectWithRaw(ctx, nodeRef)
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if err != nil {
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errs = append(errs, err.Error())
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continue
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}
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filter := opts.filter.Value()
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filter.Add("node", node.ID)
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nodeTasks, err := client.TaskList(ctx, types.TaskListOptions{Filters: filter})
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if err != nil {
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errs = append(errs, err.Error())
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continue
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}
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tasks = append(tasks, nodeTasks...)
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}
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format := opts.format
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if len(format) == 0 {
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if dockerCli.ConfigFile() != nil && len(dockerCli.ConfigFile().TasksFormat) > 0 && !opts.quiet {
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format = dockerCli.ConfigFile().TasksFormat
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} else {
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format = formatter.TableFormatKey
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}
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}
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if err := task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve), !opts.noTrunc, opts.quiet, format); err != nil {
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errs = append(errs, err.Error())
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}
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if len(errs) > 0 {
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return errors.Errorf("%s", strings.Join(errs, "\n"))
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}
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return nil
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}
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