98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package stack
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import (
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"fmt"
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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/service"
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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 servicesOptions struct {
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quiet bool
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format string
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filter opts.FilterOpt
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namespace string
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}
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func newServicesCommand(dockerCli *command.DockerCli) *cobra.Command {
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opts := servicesOptions{filter: opts.NewFilterOpt()}
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cmd := &cobra.Command{
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Use: "services [OPTIONS] STACK",
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Short: "List the services in the stack",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.namespace = args[0]
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return runServices(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 IDs")
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flags.StringVar(&opts.format, "format", "", "Pretty-print services 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 runServices(dockerCli *command.DockerCli, opts servicesOptions) error {
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ctx := context.Background()
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client := dockerCli.Client()
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filter := getStackFilterFromOpt(opts.namespace, opts.filter)
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services, err := client.ServiceList(ctx, types.ServiceListOptions{Filters: filter})
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if err != nil {
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return err
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}
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out := dockerCli.Out()
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// if no services in this stack, print message and exit 0
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if len(services) == 0 {
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fmt.Fprintf(out, "Nothing found in stack: %s\n", opts.namespace)
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return nil
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}
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info := map[string]formatter.ServiceListInfo{}
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if !opts.quiet {
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taskFilter := filters.NewArgs()
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for _, service := range services {
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taskFilter.Add("service", service.ID)
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}
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tasks, err := client.TaskList(ctx, types.TaskListOptions{Filters: taskFilter})
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if err != nil {
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return err
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}
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nodes, err := client.NodeList(ctx, types.NodeListOptions{})
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if err != nil {
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return err
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}
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info = service.GetServicesStatus(services, nodes, tasks)
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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().ServicesFormat) > 0 && !opts.quiet {
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format = dockerCli.ConfigFile().ServicesFormat
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} else {
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format = formatter.TableFormatKey
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}
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}
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servicesCtx := formatter.Context{
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Output: dockerCli.Out(),
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Format: formatter.NewServiceListFormat(format, opts.quiet),
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}
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return formatter.ServiceListWrite(servicesCtx, services, info)
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}
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