325 lines
13 KiB
Go
325 lines
13 KiB
Go
package integration
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import (
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"fmt"
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"os"
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"path/filepath"
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. "github.com/containers/podman/v4/test/utils"
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"github.com/containers/storage/pkg/stringid"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/gexec"
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)
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var _ = Describe("Podman volume plugins", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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BeforeEach(func() {
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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os.Setenv("CONTAINERS_CONF", "config/containers.conf")
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SkipIfRemote("Volume plugins only supported as local")
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SkipIfRootless("Root is required for volume plugin testing")
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err = os.MkdirAll("/run/docker/plugins", 0755)
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Expect(err).ToNot(HaveOccurred())
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})
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AfterEach(func() {
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podmanTest.CleanupVolume()
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f := CurrentSpecReport()
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processTestResult(f)
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os.Unsetenv("CONTAINERS_CONF")
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})
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It("volume create with nonexistent plugin errors", func() {
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session := podmanTest.Podman([]string{"volume", "create", "--driver", "notexist", "test_volume_name"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("volume create with not-running plugin does not error", func() {
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session := podmanTest.Podman([]string{"volume", "create", "--driver", "testvol0", "test_volume_name"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("volume create and remove with running plugin succeeds", func() {
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podmanTest.AddImageToRWStore(volumeTest)
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pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
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err := os.Mkdir(pluginStatePath, 0755)
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Expect(err).ToNot(HaveOccurred())
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// Keep this distinct within tests to avoid multiple tests using the same plugin.
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// This one verifies that the "image" plugin uses a volume plugin, not the "image" driver.
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pluginName := "image"
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plugin := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "-v", "/run/docker/plugins:/run/docker/plugins", "-v", fmt.Sprintf("%v:%v", pluginStatePath, pluginStatePath), "-d", volumeTest, "--sock-name", pluginName, "--path", pluginStatePath})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// Make sure the socket is available (see #17956)
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err = WaitForFile(fmt.Sprintf("/run/docker/plugins/%s.sock", pluginName))
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Expect(err).ToNot(HaveOccurred())
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volName := "testVolume1"
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create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
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create.WaitWithDefaultTimeout()
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Expect(create).Should(Exit(0))
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ls1 := podmanTest.Podman([]string{"volume", "ls", "-q"})
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ls1.WaitWithDefaultTimeout()
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Expect(ls1).Should(Exit(0))
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arrOutput := ls1.OutputToStringArray()
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Expect(arrOutput).To(HaveLen(1))
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Expect(arrOutput[0]).To(ContainSubstring(volName))
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// Verify this is not an image volume.
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inspect := podmanTest.Podman([]string{"volume", "inspect", volName, "--format", "{{.StorageID}}"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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Expect(inspect.OutputToString()).To(BeEmpty())
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remove := podmanTest.Podman([]string{"volume", "rm", volName})
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remove.WaitWithDefaultTimeout()
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Expect(remove).Should(Exit(0))
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ls2 := podmanTest.Podman([]string{"volume", "ls", "-q"})
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ls2.WaitWithDefaultTimeout()
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Expect(ls2).Should(Exit(0))
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Expect(ls2.OutputToStringArray()).To(BeEmpty())
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})
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It("volume inspect with running plugin succeeds", func() {
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podmanTest.AddImageToRWStore(volumeTest)
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pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
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err := os.Mkdir(pluginStatePath, 0755)
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Expect(err).ToNot(HaveOccurred())
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// Keep this distinct within tests to avoid multiple tests using the same plugin.
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pluginName := "testvol2"
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plugin := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "-v", "/run/docker/plugins:/run/docker/plugins", "-v", fmt.Sprintf("%v:%v", pluginStatePath, pluginStatePath), "-d", volumeTest, "--sock-name", pluginName, "--path", pluginStatePath})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// Make sure the socket is available (see #17956)
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err = WaitForFile(fmt.Sprintf("/run/docker/plugins/%s.sock", pluginName))
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Expect(err).ToNot(HaveOccurred())
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volName := "testVolume1"
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create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
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create.WaitWithDefaultTimeout()
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Expect(create).Should(Exit(0))
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volInspect := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{ .Driver }}", volName})
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volInspect.WaitWithDefaultTimeout()
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Expect(volInspect).Should(Exit(0))
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Expect(volInspect.OutputToString()).To(ContainSubstring(pluginName))
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})
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It("remove plugin with stopped plugin succeeds", func() {
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podmanTest.AddImageToRWStore(volumeTest)
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pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
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err := os.Mkdir(pluginStatePath, 0755)
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Expect(err).ToNot(HaveOccurred())
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// Keep this distinct within tests to avoid multiple tests using the same plugin.
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pluginName := "testvol3"
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ctrName := "pluginCtr"
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plugin := podmanTest.Podman([]string{"run", "--name", ctrName, "--security-opt", "label=disable", "-v", "/run/docker/plugins:/run/docker/plugins", "-v", fmt.Sprintf("%v:%v", pluginStatePath, pluginStatePath), "-d", volumeTest, "--sock-name", pluginName, "--path", pluginStatePath})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// Make sure the socket is available (see #17956)
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err = WaitForFile(fmt.Sprintf("/run/docker/plugins/%s.sock", pluginName))
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Expect(err).ToNot(HaveOccurred())
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volName := "testVolume1"
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create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
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create.WaitWithDefaultTimeout()
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Expect(create).Should(Exit(0))
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ls1 := podmanTest.Podman([]string{"volume", "ls", "-q"})
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ls1.WaitWithDefaultTimeout()
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Expect(ls1).Should(Exit(0))
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arrOutput := ls1.OutputToStringArray()
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Expect(arrOutput).To(HaveLen(1))
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Expect(arrOutput[0]).To(ContainSubstring(volName))
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stop := podmanTest.Podman([]string{"stop", "--timeout", "0", ctrName})
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stop.WaitWithDefaultTimeout()
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Expect(stop).Should(Exit(0))
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// Remove should exit non-zero because missing plugin
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remove := podmanTest.Podman([]string{"volume", "rm", volName})
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remove.WaitWithDefaultTimeout()
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Expect(remove).To(ExitWithError())
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// But the volume should still be gone
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ls2 := podmanTest.Podman([]string{"volume", "ls", "-q"})
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ls2.WaitWithDefaultTimeout()
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Expect(ls2).Should(Exit(0))
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Expect(ls2.OutputToStringArray()).To(BeEmpty())
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})
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It("use plugin in containers", func() {
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podmanTest.AddImageToRWStore(volumeTest)
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pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
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err := os.Mkdir(pluginStatePath, 0755)
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Expect(err).ToNot(HaveOccurred())
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// Keep this distinct within tests to avoid multiple tests using the same plugin.
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pluginName := "testvol4"
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plugin := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "-v", "/run/docker/plugins:/run/docker/plugins", "-v", fmt.Sprintf("%v:%v", pluginStatePath, pluginStatePath), "-d", volumeTest, "--sock-name", pluginName, "--path", pluginStatePath})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// Make sure the socket is available (see #17956)
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err = WaitForFile(fmt.Sprintf("/run/docker/plugins/%s.sock", pluginName))
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Expect(err).ToNot(HaveOccurred())
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volName := "testVolume1"
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create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
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create.WaitWithDefaultTimeout()
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Expect(create).Should(Exit(0))
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ctr1Name := "ctr1"
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ctr1 := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "--name", ctr1Name, "-v", fmt.Sprintf("%v:/test", volName), ALPINE, "sh", "-c", "touch /test/testfile && echo helloworld > /test/testfile"})
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ctr1.WaitWithDefaultTimeout()
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Expect(ctr1).Should(Exit(0))
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ctr2Name := "ctr2"
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ctr2 := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "--name", ctr2Name, "-v", fmt.Sprintf("%v:/test", volName), ALPINE, "cat", "/test/testfile"})
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ctr2.WaitWithDefaultTimeout()
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Expect(ctr2).Should(Exit(0))
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Expect(ctr2.OutputToString()).To(ContainSubstring("helloworld"))
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// HACK: `volume rm -f` is timing out trying to remove containers using the volume.
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// Solution: remove them manually...
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// TODO: fix this when I get back
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rmAll := podmanTest.Podman([]string{"rm", "-f", ctr2Name, ctr1Name})
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rmAll.WaitWithDefaultTimeout()
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Expect(rmAll).Should(Exit(0))
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})
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It("podman volume reload", func() {
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podmanTest.AddImageToRWStore(volumeTest)
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confFile := filepath.Join(podmanTest.TempDir, "containers.conf")
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err := os.WriteFile(confFile, []byte(`[engine]
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[engine.volume_plugins]
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testvol5 = "/run/docker/plugins/testvol5.sock"`), 0o644)
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Expect(err).ToNot(HaveOccurred())
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os.Setenv("CONTAINERS_CONF", confFile)
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pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
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err = os.Mkdir(pluginStatePath, 0755)
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Expect(err).ToNot(HaveOccurred())
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// Keep this distinct within tests to avoid multiple tests using the same plugin.
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pluginName := "testvol5"
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ctrName := "pluginCtr"
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plugin := podmanTest.Podman([]string{"run", "--name", ctrName, "--security-opt", "label=disable", "-v", "/run/docker/plugins:/run/docker/plugins",
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"-v", fmt.Sprintf("%v:%v", pluginStatePath, pluginStatePath), "-d", volumeTest, "--sock-name", pluginName, "--path", pluginStatePath})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// Make sure the socket is available (see #17956)
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err = WaitForFile(fmt.Sprintf("/run/docker/plugins/%s.sock", pluginName))
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Expect(err).ToNot(HaveOccurred())
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localvol := "local-" + stringid.GenerateRandomID()
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// create local volume
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session := podmanTest.Podman([]string{"volume", "create", localvol})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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vol1 := "vol1-" + stringid.GenerateRandomID()
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session = podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, vol1})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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// now create volume in plugin without podman
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vol2 := "vol2-" + stringid.GenerateRandomID()
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plugin = podmanTest.Podman([]string{"exec", ctrName, "/usr/local/bin/testvol", "--sock-name", pluginName, "create", vol2})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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session = podmanTest.Podman([]string{"volume", "ls", "-q"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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Expect(session.OutputToStringArray()).To(ContainElements(localvol, vol1))
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Expect(session.ErrorToString()).To(Equal("")) // make sure no errors are shown
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plugin = podmanTest.Podman([]string{"exec", ctrName, "/usr/local/bin/testvol", "--sock-name", pluginName, "remove", vol1})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// now reload volumes from plugins
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session = podmanTest.Podman([]string{"volume", "reload"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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Expect(string(session.Out.Contents())).To(Equal(fmt.Sprintf(`Added:
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%s
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Removed:
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%s
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`, vol2, vol1)))
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Expect(session.ErrorToString()).To(Equal("")) // make sure no errors are shown
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session = podmanTest.Podman([]string{"volume", "ls", "-q"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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Expect(session.OutputToStringArray()).To(ContainElements(localvol, vol2))
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Expect(session.ErrorToString()).To(Equal("")) // make no errors are shown
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})
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It("volume driver timeouts test", func() {
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podmanTest.AddImageToRWStore(volumeTest)
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pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
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err := os.Mkdir(pluginStatePath, 0755)
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Expect(err).ToNot(HaveOccurred())
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// Keep this distinct within tests to avoid multiple tests using the same plugin.
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pluginName := "testvol6"
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plugin := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "-v", "/run/docker/plugins:/run/docker/plugins", "-v", fmt.Sprintf("%v:%v", pluginStatePath, pluginStatePath), "-d", volumeTest, "--sock-name", pluginName, "--path", pluginStatePath})
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plugin.WaitWithDefaultTimeout()
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Expect(plugin).Should(Exit(0))
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// Make sure the socket is available (see #17956)
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err = WaitForFile(fmt.Sprintf("/run/docker/plugins/%s.sock", pluginName))
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Expect(err).ToNot(HaveOccurred())
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volName := "testVolume1"
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create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
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create.WaitWithDefaultTimeout()
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Expect(create).Should(Exit(0))
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volInspect := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{ .Timeout }}", volName})
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volInspect.WaitWithDefaultTimeout()
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Expect(volInspect).Should(Exit(0))
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Expect(volInspect.OutputToString()).To(ContainSubstring("15"))
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volName2 := "testVolume2"
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create2 := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, "--opt", "o=timeout=3", volName2})
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create2.WaitWithDefaultTimeout()
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Expect(create2).Should(Exit(0))
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volInspect2 := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{ .Timeout }}", volName2})
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volInspect2.WaitWithDefaultTimeout()
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Expect(volInspect2).Should(Exit(0))
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Expect(volInspect2.OutputToString()).To(ContainSubstring("3"))
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})
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})
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