airshipctl/pkg/container/container.go

36 lines
1.0 KiB
Go

package container
import (
"context"
"io"
)
// Container interface abstraction for container.
// Particular implementation depends on container runtime environment (CRE). Interface
// defines methods that must be implemented for CRE (e.g. docker, containerd or CRI-O)
type Container interface {
ImagePull() error
RunCommand([]string, io.Reader, []string, []string, bool) error
RunCommandOutput([]string, io.Reader, []string, []string) (io.ReadCloser, error)
RmContainer() error
GetId() string
}
// NewContainer returns instance of Container interface implemented by particular driver
// Returned instance type (i.e. implementation) depends on driver specified via function
// arguments (e.g. "docker").
// Supported drivers:
// * docker
func NewContainer(ctx *context.Context, driver string, url string) (Container, error) {
switch driver {
case "docker":
cli, err := NewDockerClient(ctx)
if err != nil {
return nil, err
}
return NewDockerContainer(ctx, url, cli)
default:
return nil, ErrContainerDrvNotSupported{Driver: driver}
}
}