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Copy pathcmd.go
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49 lines (43 loc) · 1.18 KB
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package context
import (
"errors"
"fmt"
"regexp"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/spf13/cobra"
)
// NewContextCommand returns the context cli subcommand
func NewContextCommand(dockerCli command.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "context",
Short: "Manage contexts",
Args: cli.NoArgs,
RunE: command.ShowHelp(dockerCli.Err()),
}
cmd.AddCommand(
newCreateCommand(dockerCli),
newListCommand(dockerCli),
newUseCommand(dockerCli),
newExportCommand(dockerCli),
newImportCommand(dockerCli),
newRemoveCommand(dockerCli),
newUpdateCommand(dockerCli),
newInspectCommand(dockerCli),
)
return cmd
}
const restrictedNamePattern = "^[a-zA-Z0-9][a-zA-Z0-9_.+-]+$"
var restrictedNameRegEx = regexp.MustCompile(restrictedNamePattern)
func validateContextName(name string) error {
if name == "" {
return errors.New("context name cannot be empty")
}
if name == "default" {
return errors.New(`"default" is a reserved context name`)
}
if !restrictedNameRegEx.MatchString(name) {
return fmt.Errorf("context name %q is invalid, names are validated against regexp %q", name, restrictedNamePattern)
}
return nil
}