124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
package service
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/filters"
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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/node"
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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/spf13/cobra"
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)
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type psOptions struct {
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services []string
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quiet bool
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noResolve bool
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noTrunc 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.DockerCli) *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] SERVICE [SERVICE...]",
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Short: "List the tasks of one or more services",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.services = args
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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.BoolVarP(&opts.quiet, "quiet", "q", false, "Only display task IDs")
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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.StringVar(&opts.format, "format", "", "Pretty-print tasks using a Go template")
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flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
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return cmd
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}
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func runPS(dockerCli *command.DockerCli, opts psOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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filter := opts.filter.Value()
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serviceIDFilter := filters.NewArgs()
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serviceNameFilter := filters.NewArgs()
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for _, service := range opts.services {
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serviceIDFilter.Add("id", service)
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serviceNameFilter.Add("name", service)
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}
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serviceByIDList, err := client.ServiceList(ctx, types.ServiceListOptions{Filters: serviceIDFilter})
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if err != nil {
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return err
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}
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serviceByNameList, err := client.ServiceList(ctx, types.ServiceListOptions{Filters: serviceNameFilter})
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if err != nil {
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return err
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}
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for _, service := range opts.services {
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serviceCount := 0
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// Lookup by ID/Prefix
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for _, serviceEntry := range serviceByIDList {
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if strings.HasPrefix(serviceEntry.ID, service) {
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filter.Add("service", serviceEntry.ID)
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serviceCount++
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}
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}
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// Lookup by Name/Prefix
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for _, serviceEntry := range serviceByNameList {
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if strings.HasPrefix(serviceEntry.Spec.Annotations.Name, service) {
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filter.Add("service", serviceEntry.ID)
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serviceCount++
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}
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}
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// If nothing has been found, return immediately.
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if serviceCount == 0 {
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return fmt.Errorf("no such services: %s", service)
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}
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}
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if filter.Include("node") {
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nodeFilters := filter.Get("node")
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for _, nodeFilter := range nodeFilters {
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nodeReference, err := node.Reference(ctx, client, nodeFilter)
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if err != nil {
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return err
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}
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filter.Del("node", nodeFilter)
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filter.Add("node", nodeReference)
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}
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}
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tasks, err := client.TaskList(ctx, types.TaskListOptions{Filters: filter})
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if err != nil {
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return err
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}
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format := opts.format
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if len(format) == 0 {
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if 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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return task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve), !opts.noTrunc, opts.quiet, format)
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}
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