package integration import ( "fmt" "os" . "github.com/containers/podman/v3/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" . "github.com/onsi/gomega/gexec" ) var pruneImage = fmt.Sprintf(` FROM %s LABEL RUN podman --version RUN apk update RUN apk add bash`, ALPINE) var emptyPruneImage = ` FROM scratch ENV test1=test1 ENV test2=test2` var _ = Describe("Podman prune", func() { var ( tempdir string err error podmanTest *PodmanTestIntegration ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.SeedImages() }) AfterEach(func() { podmanTest.Cleanup() f := CurrentGinkgoTestDescription() processTestResult(f) }) It("podman container prune containers", func() { top := podmanTest.RunTopContainer("") top.WaitWithDefaultTimeout() Expect(top).Should(Exit(0)) top = podmanTest.RunTopContainer("") top.WaitWithDefaultTimeout() Expect(top).Should(Exit(0)) cid := top.OutputToString() stop := podmanTest.Podman([]string{"stop", cid}) stop.WaitWithDefaultTimeout() Expect(stop).Should(Exit(0)) prune := podmanTest.Podman([]string{"container", "prune", "-f"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) Expect(podmanTest.NumberOfContainers()).To(Equal(1)) }) It("podman container prune after create containers", func() { create := podmanTest.Podman([]string{"create", "--name", "test", BB}) create.WaitWithDefaultTimeout() Expect(create).Should(Exit(0)) prune := podmanTest.Podman([]string{"container", "prune", "-f"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) Expect(podmanTest.NumberOfContainers()).To(Equal(0)) }) It("podman container prune after create & init containers", func() { create := podmanTest.Podman([]string{"create", "--name", "test", BB}) create.WaitWithDefaultTimeout() Expect(create).Should(Exit(0)) init := podmanTest.Podman([]string{"init", "test"}) init.WaitWithDefaultTimeout() Expect(init).Should(Exit(0)) prune := podmanTest.Podman([]string{"container", "prune", "-f"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) Expect(podmanTest.NumberOfContainers()).To(Equal(0)) }) It("podman image prune - remove only dangling images", func() { session := podmanTest.Podman([]string{"images", "-a"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) hasNone, _ := session.GrepString("") Expect(hasNone).To(BeFalse()) numImages := len(session.OutputToStringArray()) // Since there's no dangling image, none should be removed. session = podmanTest.Podman([]string{"image", "prune", "-f"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(0)) // Let's be extra sure that the same number of images is // reported. session = podmanTest.Podman([]string{"images", "-a"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(numImages)) // Now build an image and untag it. The (intermediate) images // should be removed recursively during pruning. podmanTest.BuildImage(pruneImage, "alpine_bash:latest", "true") session = podmanTest.Podman([]string{"untag", "alpine_bash:latest"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"images", "-a"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) hasNone, _ = session.GrepString("") Expect(hasNone).To(BeTrue()) // ! we have dangling ones numImages = len(session.OutputToStringArray()) // Since there's at least one dangling image, prune should // remove them. session = podmanTest.Podman([]string{"image", "prune", "-f"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) numPrunedImages := len(session.OutputToStringArray()) Expect(numPrunedImages >= 1).To(BeTrue()) // Now make sure that exactly the number of pruned images has // been removed. session = podmanTest.Podman([]string{"images", "-a"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(numImages - numPrunedImages)) }) It("podman image prune - handle empty images", func() { // As shown in #10832, empty images were not treated correctly // in Podman. podmanTest.BuildImage(emptyPruneImage, "empty:scratch", "true") session := podmanTest.Podman([]string{"images", "-a"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring("")) // Nothing will be pruned. session = podmanTest.Podman([]string{"image", "prune", "-f"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(0)) // Now the image will be untagged, and its parent images will // be removed recursively. session = podmanTest.Podman([]string{"untag", "empty:scratch"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"image", "prune", "-f"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(2)) }) It("podman image prune dangling images", func() { podmanTest.BuildImage(pruneImage, "alpine_bash:latest", "true") podmanTest.BuildImage(pruneImage, "alpine_bash:latest", "true") none := podmanTest.Podman([]string{"images", "-a"}) none.WaitWithDefaultTimeout() Expect(none).Should(Exit(0)) hasNone, result := none.GrepString("") Expect(len(result)).To(Equal(2)) Expect(hasNone).To(BeTrue()) prune := podmanTest.Podman([]string{"image", "prune", "-f"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) after := podmanTest.Podman([]string{"images", "-a"}) after.WaitWithDefaultTimeout() Expect(none).Should(Exit(0)) hasNoneAfter, result := none.GrepString("") Expect(hasNoneAfter).To(BeTrue()) Expect(len(after.OutputToStringArray()) > 1).To(BeTrue()) Expect(len(result) > 0).To(BeTrue()) }) It("podman image prune unused images", func() { podmanTest.AddImageToRWStore(ALPINE) podmanTest.AddImageToRWStore(BB) images := podmanTest.Podman([]string{"images", "-a"}) images.WaitWithDefaultTimeout() Expect(images).Should(Exit(0)) prune := podmanTest.Podman([]string{"image", "prune", "-af"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) images = podmanTest.Podman([]string{"images", "-aq"}) images.WaitWithDefaultTimeout() Expect(images).Should(Exit(0)) // all images are unused, so they all should be deleted! Expect(len(images.OutputToStringArray())).To(Equal(len(CACHE_IMAGES))) }) It("podman system image prune unused images", func() { podmanTest.AddImageToRWStore(ALPINE) podmanTest.BuildImage(pruneImage, "alpine_bash:latest", "true") prune := podmanTest.Podman([]string{"system", "prune", "-a", "--force"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) images := podmanTest.Podman([]string{"images", "-aq"}) images.WaitWithDefaultTimeout() // all images are unused, so they all should be deleted! Expect(len(images.OutputToStringArray())).To(Equal(len(CACHE_IMAGES))) }) It("podman system prune pods", func() { session := podmanTest.Podman([]string{"pod", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"pod", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) podid1 := session.OutputToString() session = podmanTest.Podman([]string{"pod", "start", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"pod", "stop", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) pods := podmanTest.Podman([]string{"pod", "ps"}) pods.WaitWithDefaultTimeout() Expect(pods).Should(Exit(0)) Expect(len(pods.OutputToStringArray())).To(Equal(3)) prune := podmanTest.Podman([]string{"system", "prune", "-f"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) pods = podmanTest.Podman([]string{"pod", "ps"}) pods.WaitWithDefaultTimeout() Expect(pods).Should(Exit(0)) Expect(len(pods.OutputToStringArray())).To(Equal(2)) }) It("podman system prune - pod,container stopped", func() { session := podmanTest.Podman([]string{"pod", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) podid1 := session.OutputToString() // Start and stop a pod to get it in exited state. session = podmanTest.Podman([]string{"pod", "start", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"pod", "stop", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // Create a container. This container should be pruned. create := podmanTest.Podman([]string{"create", "--name", "test", BB}) create.WaitWithDefaultTimeout() Expect(create).Should(Exit(0)) prune := podmanTest.Podman([]string{"system", "prune", "-f"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) pods := podmanTest.Podman([]string{"pod", "ps"}) pods.WaitWithDefaultTimeout() Expect(pods).Should(Exit(0)) Expect(podmanTest.NumberOfPods()).To(Equal(0)) Expect(podmanTest.NumberOfContainers()).To(Equal(0)) }) It("podman system prune with running, exited pod and volume prune set true", func() { // Start and stop a pod to get it in exited state. session := podmanTest.Podman([]string{"pod", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) podid1 := session.OutputToString() session = podmanTest.Podman([]string{"pod", "start", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"pod", "stop", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // Start a pod and leave it running session = podmanTest.Podman([]string{"pod", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) podid2 := session.OutputToString() session = podmanTest.Podman([]string{"pod", "start", podid2}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // Number of pod should be 2. One exited one running. Expect(podmanTest.NumberOfPods()).To(Equal(2)) // Create a container. This container should be pruned. _, ec, _ := podmanTest.RunLsContainer("test1") Expect(ec).To(Equal(0)) // Number of containers should be three now. // Two as pods infra container and one newly created. Expect(podmanTest.NumberOfContainers()).To(Equal(3)) // image list current count should not be pruned if all flag isn't enabled session = podmanTest.Podman([]string{"images"}) session.WaitWithDefaultTimeout() numberOfImages := len(session.OutputToStringArray()) // Adding unused volume should be pruned session = podmanTest.Podman([]string{"volume", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"create", "-v", "myvol:/myvol", ALPINE, "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(3)) session = podmanTest.Podman([]string{"system", "prune", "--force", "--volumes"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // Volumes should be pruned. session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(0)) // One Pod should not be pruned as it was running Expect(podmanTest.NumberOfPods()).To(Equal(1)) // Running pods infra container should not be pruned. Expect(podmanTest.NumberOfContainers()).To(Equal(1)) // Image should not be pruned and number should be same. images := podmanTest.Podman([]string{"images"}) images.WaitWithDefaultTimeout() Expect(len(images.OutputToStringArray())).To(Equal(numberOfImages)) }) It("podman system prune - with dangling images true", func() { session := podmanTest.Podman([]string{"pod", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) podid1 := session.OutputToString() // Start and stop a pod to get it in exited state. session = podmanTest.Podman([]string{"pod", "start", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"pod", "stop", podid1}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // Create a container. This container should be pruned. create := podmanTest.Podman([]string{"create", "--name", "test", BB}) create.WaitWithDefaultTimeout() Expect(create).Should(Exit(0)) // Adding unused volume should not be pruned as volumes not set session = podmanTest.Podman([]string{"volume", "create"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) prune := podmanTest.Podman([]string{"system", "prune", "-f", "-a"}) prune.WaitWithDefaultTimeout() Expect(prune).Should(Exit(0)) pods := podmanTest.Podman([]string{"pod", "ps"}) pods.WaitWithDefaultTimeout() Expect(pods).Should(Exit(0)) Expect(podmanTest.NumberOfPods()).To(Equal(0)) Expect(podmanTest.NumberOfContainers()).To(Equal(0)) // Volumes should not be pruned session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(2)) images := podmanTest.Podman([]string{"images", "-aq"}) images.WaitWithDefaultTimeout() // all images are unused, so they all should be deleted! Expect(len(images.OutputToStringArray())).To(Equal(len(CACHE_IMAGES))) }) It("podman system prune --volumes --filter", func() { session := podmanTest.Podman([]string{"volume", "create", "--label", "label1=value1", "myvol1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "create", "--label", "sharedlabel1=slv1", "myvol2"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "create", "--label", "sharedlabel1=slv2", "myvol3"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "create", "--label", "sharedlabel1", "myvol4"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"create", "-v", "myvol5:/myvol5", ALPINE, "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"create", "-v", "myvol6:/myvol6", ALPINE, "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(7)) session = podmanTest.Podman([]string{"system", "prune", "--force", "--volumes", "--filter", "label=label1=value1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(6)) session = podmanTest.Podman([]string{"system", "prune", "--force", "--volumes", "--filter", "label=sharedlabel1=slv1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(5)) session = podmanTest.Podman([]string{"system", "prune", "--force", "--volumes", "--filter", "label=sharedlabel1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"volume", "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(3)) podmanTest.Cleanup() }) })