func listContainers(client garden.Client) {
containers, err := client.Containers(nil)
if err != nil {
panic(err)
}
fmt.Printf("Current containers: \n")
for _, c := range containers {
fmt.Printf("\t%+v\n", c)
}
}
func CleanupGarden(gardenClient garden.Client) []error {
containers, err := gardenClient.Containers(nil)
Expect(err).NotTo(HaveOccurred())
fmt.Fprintf(ginkgo.GinkgoWriter, "cleaning up %d Garden containers", len(containers))
// even if containers fail to destroy, stop garden, but still report the
// errors
destroyContainerErrors := []error{}
for _, container := range containers {
info, _ := container.Info()
fmt.Fprintf(ginkgo.GinkgoWriter, "cleaning up container %s (%s)", container.Handle(), info.ContainerPath)
RETRY_LOOP:
// try to Destroy the container up to 3 times
for i := 0; i < 3; i++ {
err := gardenClient.Destroy(container.Handle())
switch {
case err == nil:
// move on if Destroy succeeds
break RETRY_LOOP
case strings.Contains(err.Error(), "unknown handle"):
// move on if container doesn't exist
break RETRY_LOOP
case strings.Contains(err.Error(), "container already being destroyed"):
// move on if container is already being destroyed
break RETRY_LOOP
case i == 2:
// record an error if Destroy failed 3 times
destroyContainerErrors = append(destroyContainerErrors, err)
default:
// try Destroy again otherwise
time.Sleep(50 * time.Millisecond)
}
}
}
return destroyContainerErrors
}
func cleanupContainers(client garden.Client) {
containers, err := client.Containers(nil)
if err != nil {
panic(err)
}
for _, container := range containers {
err = client.Destroy(container.Handle())
if err != nil {
panic(err)
}
}
listContainers(client)
}
Context("and the client sends a ListRequest", func() {
BeforeEach(func() {
c1 := new(fakes.FakeContainer)
c1.HandleReturns("some-handle")
c2 := new(fakes.FakeContainer)
c2.HandleReturns("another-handle")
c3 := new(fakes.FakeContainer)
c3.HandleReturns("super-handle")
serverBackend.ContainersReturns([]garden.Container{c1, c2, c3}, nil)
})
It("returns the containers from the backend", func() {
containers, err := apiClient.Containers(nil)
Ω(err).ShouldNot(HaveOccurred())
Ω(containers).Should(HaveLen(3))
handles := make([]string, 3)
for i, c := range containers {
handles[i] = c.Handle()
}
Ω(handles).Should(ContainElement("some-handle"))
Ω(handles).Should(ContainElement("another-handle"))
Ω(handles).Should(ContainElement("super-handle"))
})
Context("when getting the containers fails", func() {