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package integration
import (
"fmt"
"os"
"path/filepath"
. "github.com/containers/podman/v3/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman volume plugins", 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()
os.Setenv("CONTAINERS_CONF", "config/containers.conf")
SkipIfRemote("Volume plugins only supported as local")
SkipIfRootless("Root is required for volume plugin testing")
os.MkdirAll("/run/docker/plugins", 0755)
})
AfterEach(func() {
podmanTest.CleanupVolume()
f := CurrentGinkgoTestDescription()
processTestResult(f)
os.Unsetenv("CONTAINERS_CONF")
})
It("volume create with nonexistent plugin errors", func() {
session := podmanTest.Podman([]string{"volume", "create", "--driver", "notexist", "test_volume_name"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError())
})
It("volume create with not-running plugin does not error", func() {
session := podmanTest.Podman([]string{"volume", "create", "--driver", "testvol0", "test_volume_name"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError())
})
It("volume create and remove with running plugin succeeds", func() {
podmanTest.AddImageToRWStore(volumeTest)
pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
os.Mkdir(pluginStatePath, 0755)
// Keep this distinct within tests to avoid multiple tests using the same plugin.
pluginName := "testvol1"
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})
plugin.WaitWithDefaultTimeout()
Expect(plugin).Should(Exit(0))
volName := "testVolume1"
create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
create.WaitWithDefaultTimeout()
Expect(create).Should(Exit(0))
ls1 := podmanTest.Podman([]string{"volume", "ls", "-q"})
ls1.WaitWithDefaultTimeout()
Expect(ls1).Should(Exit(0))
arrOutput := ls1.OutputToStringArray()
Expect(len(arrOutput)).To(Equal(1))
Expect(arrOutput[0]).To(ContainSubstring(volName))
remove := podmanTest.Podman([]string{"volume", "rm", volName})
remove.WaitWithDefaultTimeout()
Expect(remove).Should(Exit(0))
ls2 := podmanTest.Podman([]string{"volume", "ls", "-q"})
ls2.WaitWithDefaultTimeout()
Expect(ls2).Should(Exit(0))
Expect(len(ls2.OutputToStringArray())).To(Equal(0))
})
It("volume inspect with running plugin succeeds", func() {
podmanTest.AddImageToRWStore(volumeTest)
pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
os.Mkdir(pluginStatePath, 0755)
// Keep this distinct within tests to avoid multiple tests using the same plugin.
pluginName := "testvol2"
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})
plugin.WaitWithDefaultTimeout()
Expect(plugin).Should(Exit(0))
volName := "testVolume1"
create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
create.WaitWithDefaultTimeout()
Expect(create).Should(Exit(0))
volInspect := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{ .Driver }}", volName})
volInspect.WaitWithDefaultTimeout()
Expect(volInspect).Should(Exit(0))
Expect(volInspect.OutputToString()).To(ContainSubstring(pluginName))
})
It("remove plugin with stopped plugin succeeds", func() {
podmanTest.AddImageToRWStore(volumeTest)
pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
os.Mkdir(pluginStatePath, 0755)
// Keep this distinct within tests to avoid multiple tests using the same plugin.
pluginName := "testvol3"
ctrName := "pluginCtr"
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})
plugin.WaitWithDefaultTimeout()
Expect(plugin).Should(Exit(0))
volName := "testVolume1"
create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
create.WaitWithDefaultTimeout()
Expect(create).Should(Exit(0))
ls1 := podmanTest.Podman([]string{"volume", "ls", "-q"})
ls1.WaitWithDefaultTimeout()
Expect(ls1).Should(Exit(0))
arrOutput := ls1.OutputToStringArray()
Expect(len(arrOutput)).To(Equal(1))
Expect(arrOutput[0]).To(ContainSubstring(volName))
stop := podmanTest.Podman([]string{"stop", "--timeout", "0", ctrName})
stop.WaitWithDefaultTimeout()
Expect(stop).Should(Exit(0))
// Remove should exit non-zero because missing plugin
remove := podmanTest.Podman([]string{"volume", "rm", volName})
remove.WaitWithDefaultTimeout()
Expect(remove).To(ExitWithError())
// But the volume should still be gone
ls2 := podmanTest.Podman([]string{"volume", "ls", "-q"})
ls2.WaitWithDefaultTimeout()
Expect(ls2).Should(Exit(0))
Expect(len(ls2.OutputToStringArray())).To(Equal(0))
})
It("use plugin in containers", func() {
podmanTest.AddImageToRWStore(volumeTest)
pluginStatePath := filepath.Join(podmanTest.TempDir, "volumes")
os.Mkdir(pluginStatePath, 0755)
// Keep this distinct within tests to avoid multiple tests using the same plugin.
pluginName := "testvol4"
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})
plugin.WaitWithDefaultTimeout()
Expect(plugin).Should(Exit(0))
volName := "testVolume1"
create := podmanTest.Podman([]string{"volume", "create", "--driver", pluginName, volName})
create.WaitWithDefaultTimeout()
Expect(create).Should(Exit(0))
ctr1 := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "-v", fmt.Sprintf("%v:/test", volName), ALPINE, "sh", "-c", "touch /test/testfile && echo helloworld > /test/testfile"})
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(Exit(0))
ctr2 := podmanTest.Podman([]string{"run", "--security-opt", "label=disable", "-v", fmt.Sprintf("%v:/test", volName), ALPINE, "cat", "/test/testfile"})
ctr2.WaitWithDefaultTimeout()
Expect(ctr2).Should(Exit(0))
Expect(ctr2.OutputToString()).To(ContainSubstring("helloworld"))
// HACK: `volume rm -f` is timing out trying to remove containers using the volume.
// Solution: remove them manually...
// TODO: fix this when I get back
rmAll := podmanTest.Podman([]string{"rm", "-af"})
rmAll.WaitWithDefaultTimeout()
Expect(rmAll).Should(Exit(0))
})
})
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