func HostIP(vm string) string {
var dmi *DMInfo
cli.Logf("HOSTIP")
cmd.JSON(&dmi, "docker-machine", "inspect", vm)
cli.Logf("HOSTIP: %+v", dmi)
return dmi.Driver.IPAddress
}
func (c *container) Image() string {
var dc []DockerContainer
cmd.JSON(&dc, "docker", "inspect", c.Name())
if len(dc) == 0 {
cli.Fatalf("Container %s does not exist.", c)
}
if len(dc) != 1 {
cli.Fatalf("Multiple containers match %s", c)
}
return dc[0].Image
}
func ImageID(image string) string {
var i []Image
cmd.JSON(&i, "docker", "inspect", image)
if len(i) == 0 {
cli.Fatalf("image missing after pull: %s", image)
}
if len(i) != 1 {
cli.Fatalf("multiple images match %s; ensure sous is using unique tags", image)
}
return i[0].ID
}
func getLabelsFromImage(imageTag string) map[string]string {
var images []*Image
cmd.JSON(&images, "docker", "inspect", imageTag)
if len(images) == 0 {
cli.Fatalf("cannot find image %s", imageTag)
}
if len(images) > 1 {
cli.Fatalf("multiple images named %s, cannot continue", imageTag)
}
image := images[0]
return image.Config.Labels
}
func (c *container) Inspect() (*DockerContainer, bool) {
if cmd.ExitCode("docker", "inspect", c.effectiveName()) != 0 {
return nil, false
}
var dc []*DockerContainer
cmd.JSON(&dc, "docker", "inspect", c.effectiveName())
if len(dc) == 0 {
return nil, false
}
if len(dc) != 1 {
cli.Fatalf("Docker inspect %s returned more than one result, please open a GitHub issue about this",
c.effectiveName())
}
// The seond return value checks that the thing we inspected was, in fact, the
// relevant container, since docker inpect takes both container and image
// names and IDs, so it's a bit ambiguous otherwise.
cont := dc[0]
return cont, cont.Name == "/"+c.Name() || cont.ID == c.CID()
}
