DockerCLI/command/stack/opts.go

48 lines
1.1 KiB
Go
Raw Normal View History

package stack
import (
"fmt"
"io"
"os"
"github.com/docker/docker/cli/command/bundlefile"
"github.com/spf13/pflag"
)
func addBundlefileFlag(opt *string, flags *pflag.FlagSet) {
flags.StringVar(
opt,
"file", "",
"Path to a Distributed Application Bundle file (Default: STACK.dab)")
}
func addRegistryAuthFlag(opt *bool, flags *pflag.FlagSet) {
flags.BoolVar(opt, "with-registry-auth", false, "Send registry authentication details to Swarm agents")
}
func loadBundlefile(stderr io.Writer, namespace string, path string) (*bundlefile.Bundlefile, error) {
defaultPath := fmt.Sprintf("%s.dab", namespace)
if path == "" {
path = defaultPath
}
if _, err := os.Stat(path); err != nil {
return nil, fmt.Errorf(
"Bundle %s not found. Specify the path with --file",
path)
}
fmt.Fprintf(stderr, "Loading bundle from %s\n", path)
reader, err := os.Open(path)
if err != nil {
return nil, err
}
defer reader.Close()
bundle, err := bundlefile.LoadFile(reader)
if err != nil {
return nil, fmt.Errorf("Error reading %s: %v\n", path, err)
}
return bundle, err
}