mirror of https://github.com/containers/podman.git
104 lines
3.2 KiB
Go
104 lines
3.2 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/v5/test/utils"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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func buildDataVolumeImage(pTest *PodmanTestIntegration, image, data, dest string) {
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// Create a dummy file for data volume
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dummyFile := filepath.Join(pTest.TempDir, data)
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err := os.WriteFile(dummyFile, []byte(data), 0644)
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Expect(err).ToNot(HaveOccurred())
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// Create a data volume container image but no CMD binary in it
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containerFile := fmt.Sprintf(`FROM scratch
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CMD doesnotexist.sh
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ADD %s %s/
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VOLUME %s/`, data, dest, dest)
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pTest.BuildImage(containerFile, image, "false")
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}
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func createContainersConfFile(pTest *PodmanTestIntegration) {
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configPath := filepath.Join(pTest.TempDir, "containers.conf")
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containersConf := []byte("[containers]\nprepare_volume_on_create = true\n")
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err := os.WriteFile(configPath, containersConf, os.ModePerm)
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Expect(err).ToNot(HaveOccurred())
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// Set custom containers.conf file
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os.Setenv("CONTAINERS_CONF", configPath)
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if IsRemote() {
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pTest.RestartRemoteService()
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}
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}
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func checkDataVolumeContainer(pTest *PodmanTestIntegration, image, cont, dest, data string) {
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create := pTest.Podman([]string{"create", "--name", cont, image})
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create.WaitWithDefaultTimeout()
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Expect(create).Should(ExitCleanly())
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inspect := pTest.InspectContainer(cont)
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Expect(inspect).To(HaveLen(1))
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Expect(inspect[0].Mounts).To(HaveLen(1))
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Expect(inspect[0].Mounts[0]).To(HaveField("Destination", dest))
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mntName, mntSource := inspect[0].Mounts[0].Name, inspect[0].Mounts[0].Source
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volList := pTest.Podman([]string{"volume", "list", "--quiet"})
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volList.WaitWithDefaultTimeout()
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Expect(volList).Should(ExitCleanly())
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Expect(volList.OutputToStringArray()).To(HaveLen(1))
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Expect(volList.OutputToStringArray()[0]).To(Equal(mntName))
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// Check the mount source directory
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files, err := os.ReadDir(mntSource)
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Expect(err).ToNot(HaveOccurred())
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if data == "" {
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Expect(files).To(BeEmpty())
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} else {
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Expect(files).To(HaveLen(1))
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Expect(files[0].Name()).To(Equal(data))
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}
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}
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var _ = Describe("Podman create data volume", func() {
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It("podman create with volume data copy turned off", func() {
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imgName, volData, volDest := "dataimg", "dummy", "/test"
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buildDataVolumeImage(podmanTest, imgName, volData, volDest)
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// Create a container with the default containers.conf and
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// check that the volume is not copied from the image.
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checkDataVolumeContainer(podmanTest, imgName, "ctr-nocopy", volDest, "")
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})
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It("podman create with volume data copy turned on", func() {
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imgName, volData, volDest := "dataimg", "dummy", "/test"
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buildDataVolumeImage(podmanTest, imgName, volData, volDest)
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// Create a container with the custom containers.conf and
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// check that the volume is copied from the image.
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createContainersConfFile(podmanTest)
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checkDataVolumeContainer(podmanTest, imgName, "ctr-copy", volDest, volData)
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})
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It("podman run with volume data copy turned on", func() {
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// Create a container with the custom containers.conf and
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// check that the container is run successfully
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createContainersConfFile(podmanTest)
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session := podmanTest.Podman([]string{"run", "--rm", ALPINE, "echo"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitCleanly())
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})
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})
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