Golang ID Examples

Example #1

File: cleaner.go Project: cloudfoundry/garden-shed

func (g *retainer) Retain(log lager.Logger, id layercake.ID) {
	g.retainedImagesMu.Lock()
	defer g.retainedImagesMu.Unlock()

	if g.retainedImages == nil {
		g.retainedImages = make(map[string]struct{})
	}

	g.retainedImages[id.GraphID()] = struct{}{}
}

Example #2

File: cleaner.go Project: cloudfoundry/garden-shed

func (g *retainer) Check(id layercake.ID) bool {
	g.retainedImagesMu.Lock()
	defer g.retainedImagesMu.Unlock()

	if g.retainedImages == nil {
		return false
	}

	_, ok := g.retainedImages[id.GraphID()]
	return ok
}

Example #3

File: aufs.go Project: cloudfoundry/garden-shed

func (a *QuotaedDriver) GetMntPath(id layercake.ID) string {
	return a.makeMntPath(id.GraphID())
}

Example #4

File: docker_linux_test.go Project: cloudfoundry/garden-shed

		Expect(err).NotTo(HaveOccurred())

		cake = &layercake.Docker{
			Graph:  graph,
			Driver: driver,
		}
	})

	AfterEach(func() {
		Expect(syscall.Unmount(root, 0)).To(Succeed())
		Expect(os.RemoveAll(root)).To(Succeed())
	})

	Describe("Register", func() {
		Context("after registering a layer", func() {
			var id layercake.ID
			var parent layercake.ID

			BeforeEach(func() {
				id = layercake.ContainerID("")
				parent = layercake.ContainerID("")
			})

			ItCanReadWriteTheLayer := func() {
				It("can read and write files", func() {
					p, err := cake.Path(id)
					Expect(err).NotTo(HaveOccurred())
					Expect(ioutil.WriteFile(path.Join(p, "foo"), []byte("hi"), 0700)).To(Succeed())

					p, err = cake.Path(id)
					Expect(err).NotTo(HaveOccurred())

Example #5

File: aufs_test.go Project: cloudfoundry/garden-shed

	"code.cloudfoundry.org/garden-shed/layercake/fake_id"
	"github.com/cloudfoundry/gunk/command_runner"
	"github.com/cloudfoundry/gunk/command_runner/fake_command_runner"
	"github.com/cloudfoundry/gunk/command_runner/linux_command_runner"
	"github.com/docker/docker/image"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Aufs", func() {
	var (
		aufsCake               *layercake.AufsCake
		cake                   *fake_cake.FakeCake
		parentID               *fake_id.FakeID
		childID                *fake_id.FakeID
		testError              error
		namespacedChildID      layercake.ID
		otherNamespacedChildID layercake.ID
		runner                 command_runner.CommandRunner
		baseDirectory          string
	)

	BeforeEach(func() {
		var err error
		baseDirectory, err = ioutil.TempDir("", "aufsTestGraphRoot")
		Expect(err).NotTo(HaveOccurred())

		cake = new(fake_cake.FakeCake)
		runner = linux_command_runner.New()

		parentID = new(fake_id.FakeID)