moby--moby/integration-cli/environment/protect.go

49 lines
1.5 KiB
Go

package environment
import (
"strings"
"github.com/docker/docker/integration-cli/fixtures/load"
icmd "github.com/docker/docker/pkg/testutil/cmd"
)
type protectedElements struct {
images map[string]struct{}
}
// ProtectImage adds the specified image(s) to be protected in case of clean
func (e *Execution) ProtectImage(t testingT, images ...string) {
for _, image := range images {
e.protectedElements.images[image] = struct{}{}
}
}
// ProtectImages protects existing images and on linux frozen images from being
// cleaned up at the end of test runs
func ProtectImages(t testingT, testEnv *Execution) {
images := getExistingImages(t, testEnv)
if testEnv.DaemonPlatform() == "linux" {
images = append(images, ensureFrozenImagesLinux(t, testEnv)...)
}
testEnv.ProtectImage(t, images...)
}
func getExistingImages(t testingT, testEnv *Execution) []string {
// TODO: use API instead of cli
result := icmd.RunCommand(testEnv.dockerBinary, "images", "-f", "dangling=false", "--format", "{{.Repository}}:{{.Tag}}")
result.Assert(t, icmd.Success)
return strings.Split(strings.TrimSpace(result.Stdout()), "\n")
}
func ensureFrozenImagesLinux(t testingT, testEnv *Execution) []string {
images := []string{"busybox:latest", "hello-world:frozen", "debian:jessie"}
err := load.FrozenImagesLinux(testEnv.DockerBinary(), images...)
if err != nil {
result := icmd.RunCommand(testEnv.DockerBinary(), "image", "ls")
t.Logf(result.String())
t.Fatalf("%+v", err)
}
return images
}