mirror of https://github.com/docker/cli.git
94 lines
3.1 KiB
Go
94 lines
3.1 KiB
Go
package stack
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import (
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"fmt"
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"sort"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/service"
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"github.com/docker/cli/cli/command/stack/formatter"
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"github.com/docker/cli/cli/command/stack/kubernetes"
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"github.com/docker/cli/cli/command/stack/options"
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"github.com/docker/cli/cli/command/stack/swarm"
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cliopts "github.com/docker/cli/opts"
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swarmtypes "github.com/docker/docker/api/types/swarm"
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"github.com/fvbommel/sortorder"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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func newServicesCommand(dockerCli command.Cli, common *commonOptions) *cobra.Command {
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opts := options.Services{Filter: cliopts.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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if err := validateStackName(opts.Namespace); err != nil {
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return err
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}
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return RunServices(dockerCli, cmd.Flags(), common.Orchestrator(), 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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kubernetes.AddNamespaceFlag(flags)
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return cmd
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}
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// RunServices performs a stack services against the specified orchestrator
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func RunServices(dockerCli command.Cli, flags *pflag.FlagSet, commonOrchestrator command.Orchestrator, opts options.Services) error {
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services, err := GetServices(dockerCli, flags, commonOrchestrator, opts)
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if err != nil {
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return err
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}
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return formatWrite(dockerCli, services, opts)
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}
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// GetServices returns the services for the specified orchestrator
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func GetServices(dockerCli command.Cli, flags *pflag.FlagSet, commonOrchestrator command.Orchestrator, opts options.Services) ([]swarmtypes.Service, error) {
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switch {
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case commonOrchestrator.HasAll():
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return nil, errUnsupportedAllOrchestrator
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case commonOrchestrator.HasKubernetes():
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kli, err := kubernetes.WrapCli(dockerCli, kubernetes.NewOptions(flags, commonOrchestrator))
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if err != nil {
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return nil, err
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}
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return kubernetes.GetServices(kli, opts)
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default:
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return swarm.GetServices(dockerCli, opts)
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}
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}
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func formatWrite(dockerCli command.Cli, services []swarmtypes.Service, opts options.Services) error {
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// if no services in the stack, print message and exit 0
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if len(services) == 0 {
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_, _ = fmt.Fprintf(dockerCli.Err(), "Nothing found in stack: %s\n", opts.Namespace)
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return nil
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}
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sort.Slice(services, func(i, j int) bool {
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return sortorder.NaturalLess(services[i].Spec.Name, services[j].Spec.Name)
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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: service.NewListFormat(format, opts.Quiet),
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}
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return service.ListFormatWrite(servicesCtx, services)
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}
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