open-nomad/drivers/docker/driver_default.go

//+build !windows

package docker

import (
	"github.com/docker/docker/oci/caps"
	docker "github.com/fsouza/go-dockerclient"
)

func getPortBinding(ip string, port string) docker.PortBinding {
	return docker.PortBinding{HostIP: ip, HostPort: port}
}

func tweakCapabilities(basics, adds, drops []string) ([]string, error) {
	// Moby mixes 2 different capabilities formats: prefixed with "CAP_"
	// and not. We do the conversion here to have a consistent,
	// non-prefixed format on the Nomad side.
	for i, cap := range basics {
		basics[i] = "CAP_" + cap
	}

	effectiveCaps, err := caps.TweakCapabilities(basics, adds, drops, nil, false)
	if err != nil {
		return effectiveCaps, err
	}

	for i, cap := range effectiveCaps {
		effectiveCaps[i] = cap[len("CAP_"):]
	}
	return effectiveCaps, nil
}