DockerCLI/cli/command/stack/common.go

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package stack
import (
"fmt"
"strings"
"unicode"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/stack/kubernetes"
"github.com/spf13/pflag"
)
// validateStackName checks if the provided string is a valid stack name (namespace).
// It currently only does a rudimentary check if the string is empty, or consists
// of only whitespace and quoting characters.
func validateStackName(namespace string) error {
v := strings.TrimFunc(namespace, quotesOrWhitespace)
if v == "" {
return fmt.Errorf("invalid stack name: %q", namespace)
}
return nil
}
func validateStackNames(namespaces []string) error {
for _, ns := range namespaces {
if err := validateStackName(ns); err != nil {
return err
}
}
return nil
}
func quotesOrWhitespace(r rune) bool {
return unicode.IsSpace(r) || r == '"' || r == '\''
}
func runOrchestratedCommand(dockerCli command.Cli, flags *pflag.FlagSet, commonOrchestrator command.Orchestrator, swarmCmd func() error, kubernetesCmd func(*kubernetes.KubeCli) error) error {
switch {
case commonOrchestrator.HasAll():
return errUnsupportedAllOrchestrator
case commonOrchestrator.HasKubernetes():
kli, err := kubernetes.WrapCli(dockerCli, kubernetes.NewOptions(flags, commonOrchestrator))
if err != nil {
return err
}
return kubernetesCmd(kli)
default:
return swarmCmd()
}
}