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-rw-r--r--test/e2e/cp_test.go322
1 files changed, 97 insertions, 225 deletions
diff --git a/test/e2e/cp_test.go b/test/e2e/cp_test.go
index c1d3be5ab..33908b60e 100644
--- a/test/e2e/cp_test.go
+++ b/test/e2e/cp_test.go
@@ -4,14 +4,18 @@ import (
"io/ioutil"
"os"
"os/exec"
+ "os/user"
"path/filepath"
- "strings"
. "github.com/containers/podman/v2/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
+// NOTE: Only smoke tests. The system tests (i.e., "./test/system/*") take
+// care of function and regression tests. Please consider adding system tests
+// rather than e2e tests. System tests are used in RHEL gating.
+
var _ = Describe("Podman cp", func() {
var (
tempdir string
@@ -37,240 +41,108 @@ var _ = Describe("Podman cp", func() {
})
+ // Copy a file to the container, then back to the host and make sure
+ // that the contents match.
It("podman cp file", func() {
- srcPath := filepath.Join(podmanTest.RunRoot, "cp_test.txt")
- dstPath := filepath.Join(podmanTest.RunRoot, "cp_from_container")
- fromHostToContainer := []byte("copy from host to container")
-
- session := podmanTest.Podman([]string{"create", ALPINE, "cat", "foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- name := session.OutputToString()
-
- err := ioutil.WriteFile(srcPath, fromHostToContainer, 0644)
+ srcFile, err := ioutil.TempFile("", "")
Expect(err).To(BeNil())
+ defer srcFile.Close()
+ defer os.Remove(srcFile.Name())
- session = podmanTest.Podman([]string{"cp", srcPath, name + ":foo/"})
- session.WaitWithDefaultTimeout()
- Expect(session).To(ExitWithError())
-
- session = podmanTest.Podman([]string{"cp", srcPath, name + ":foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"cp", name + ":foo", dstPath})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"start", name})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- })
-
- It("podman cp file to dir", func() {
- name := "testctr"
- setup := podmanTest.RunTopContainer(name)
- setup.WaitWithDefaultTimeout()
- Expect(setup.ExitCode()).To(Equal(0))
-
- srcPath := "/tmp/cp_test.txt"
- fromHostToContainer := []byte("copy from host to container directory")
- err := ioutil.WriteFile(srcPath, fromHostToContainer, 0644)
+ originalContent := []byte("podman cp file test")
+ err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644)
Expect(err).To(BeNil())
- session := podmanTest.Podman([]string{"exec", name, "mkdir", "foodir"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"cp", srcPath, name + ":foodir/"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"exec", name, "ls", "foodir/cp_test.txt"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- os.Remove("/tmp/cp_test.txt")
- })
-
- It("podman cp dir to dir", func() {
- testDirPath := filepath.Join(podmanTest.RunRoot, "TestDir1")
-
- session := podmanTest.Podman([]string{"create", ALPINE, "ls", "/foodir"})
+ // Create a container. NOTE that container mustn't be running for copying.
+ session := podmanTest.Podman([]string{"create", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
name := session.OutputToString()
- err := os.Mkdir(testDirPath, 0755)
- Expect(err).To(BeNil())
- defer os.RemoveAll(testDirPath)
-
- session = podmanTest.Podman([]string{"cp", testDirPath, name + ":/foodir"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"cp", testDirPath, name + ":/foodir"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- testctr := "testctr"
- setup := podmanTest.RunTopContainer(testctr)
- setup.WaitWithDefaultTimeout()
- Expect(setup.ExitCode()).To(Equal(0))
+ // Copy TO the container.
- session = podmanTest.Podman([]string{"exec", testctr, "mkdir", "foo"})
+ // Cannot copy to a non-existent path (note the trailing "/").
+ session = podmanTest.Podman([]string{"cp", srcFile.Name(), name + ":foo/"})
session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"cp", testDirPath + "/.", testctr + ":/foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- session = podmanTest.Podman([]string{"exec", testctr, "ls", "foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- Expect(len(session.OutputToString())).To(Equal(0))
+ Expect(session).To(ExitWithError())
- session = podmanTest.Podman([]string{"cp", testctr + ":/foo/.", testDirPath})
+ // The file will now be created (and written to).
+ session = podmanTest.Podman([]string{"cp", srcFile.Name(), name + ":foo"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- cmd := exec.Command("ls", testDirPath)
- res, err := cmd.Output()
- Expect(err).To(BeNil())
- Expect(len(res)).To(Equal(0))
- })
- It("podman cp stdin/stdout", func() {
- SkipIfRemote("FIXME: podman-remote cp not implemented yet")
- session := podmanTest.Podman([]string{"create", ALPINE, "ls", "foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- name := session.OutputToString()
+ // Copy FROM the container.
- testDirPath := filepath.Join(podmanTest.RunRoot, "TestDir2")
- err := os.Mkdir(testDirPath, 0755)
- Expect(err).To(BeNil())
- defer os.RemoveAll(testDirPath)
- cmd := exec.Command("tar", "-zcvf", "file.tar.gz", testDirPath)
- _, err = cmd.Output()
+ destFile, err := ioutil.TempFile("", "")
Expect(err).To(BeNil())
+ defer destFile.Close()
+ defer os.Remove(destFile.Name())
- data, err := ioutil.ReadFile("foo.tar.gz")
- reader := strings.NewReader(string(data))
- cmd.Stdin = reader
- session = podmanTest.Podman([]string{"cp", "-", name + ":/foo"})
+ session = podmanTest.Podman([]string{"cp", name + ":foo", destFile.Name()})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- session = podmanTest.Podman([]string{"cp", "file.tar.gz", name + ":/foo.tar.gz"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- session = podmanTest.Podman([]string{"cp", name + ":/foo.tar.gz", "-"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- os.Remove("file.tar.gz")
- })
-
- It("podman cp tar", func() {
- testctr := "testctr"
- setup := podmanTest.RunTopContainer(testctr)
- setup.WaitWithDefaultTimeout()
- Expect(setup.ExitCode()).To(Equal(0))
-
- session := podmanTest.Podman([]string{"exec", testctr, "mkdir", "foo"})
+ session = podmanTest.Podman([]string{"start", name})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- path, err := os.Getwd()
- Expect(err).To(BeNil())
- testDirPath := filepath.Join(path, "TestDir3")
- err = os.Mkdir(testDirPath, 0777)
+ // Now make sure the content matches.
+ roundtripContent, err := ioutil.ReadFile(destFile.Name())
Expect(err).To(BeNil())
- defer os.RemoveAll(testDirPath)
- cmd := exec.Command("tar", "-cvf", "file.tar", testDirPath)
- _, err = cmd.Output()
- Expect(err).To(BeNil())
-
- session = podmanTest.Podman([]string{"cp", "file.tar", "testctr:/foo/"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"exec", testctr, "ls", "-l", "foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- Expect(session.OutputToString()).To(ContainSubstring("file.tar"))
-
- os.Remove("file.tar")
+ Expect(roundtripContent).To(Equal(originalContent))
})
- It("podman cp tar --extract", func() {
- testctr := "testctr"
- setup := podmanTest.RunTopContainer(testctr)
- setup.WaitWithDefaultTimeout()
- Expect(setup.ExitCode()).To(Equal(0))
-
- session := podmanTest.Podman([]string{"exec", testctr, "mkdir", "/foo"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- path, err := os.Getwd()
- Expect(err).To(BeNil())
- testDirPath := filepath.Join(path, "TestDir4")
- err = os.Mkdir(testDirPath, 0777)
- Expect(err).To(BeNil())
- defer os.RemoveAll(testDirPath)
- f, err := os.Create(filepath.Join(testDirPath, "a.txt"))
- Expect(err).To(BeNil())
- _, err = f.Write([]byte("Hello World!!!\n"))
- f.Close()
- cmd := exec.Command("tar", "-cvf", "file.tar", "TestDir4")
- exec.Command("tar", "-cvf", "/home/mvasek/file.tar", testDirPath)
- _, err = cmd.Output()
+ // Create a symlink in the container, use it as a copy destination and
+ // make sure that the link and the resolved path are accessible and
+ // give the right content.
+ It("podman cp symlink", func() {
+ srcFile, err := ioutil.TempFile("", "")
Expect(err).To(BeNil())
- defer os.Remove("file.tar")
+ defer srcFile.Close()
+ defer os.Remove(srcFile.Name())
- session = podmanTest.Podman([]string{"cp", "--extract", "file.tar", "testctr:/foo/"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"exec", testctr, "cat", "/foo/TestDir4/a.txt"})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
- Expect(session.OutputToString()).To(ContainSubstring("Hello World!!!"))
- })
+ originalContent := []byte("podman cp symlink test")
+ err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644)
+ Expect(err).To(BeNil())
- It("podman cp symlink", func() {
session := podmanTest.Podman([]string{"run", "-d", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
name := session.OutputToString()
- srcPath := filepath.Join(podmanTest.RunRoot, "cp_test.txt")
- fromHostToContainer := []byte("copy from host to container")
- err := ioutil.WriteFile(srcPath, fromHostToContainer, 0644)
- Expect(err).To(BeNil())
-
session = podmanTest.Podman([]string{"exec", name, "ln", "-s", "/tmp", "/test"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- session = podmanTest.Podman([]string{"cp", "--pause=false", srcPath, name + ":/test"})
+ session = podmanTest.Podman([]string{"cp", "--pause=false", srcFile.Name(), name + ":/test"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- _, err = os.Stat("/tmp/cp_test.txt")
- Expect(err).To(Not(BeNil()))
-
- session = podmanTest.Podman([]string{"exec", name, "ln", "-s", "/tmp/nonesuch", "/test1"})
+ session = podmanTest.Podman([]string{"exec", name, "cat", "/tmp/" + filepath.Base(srcFile.Name())})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
+ Expect(session.OutputToString()).To(ContainSubstring(string(originalContent)))
- session = podmanTest.Podman([]string{"cp", "--pause=false", srcPath, name + ":/test1/"})
+ session = podmanTest.Podman([]string{"exec", name, "cat", "/test/" + filepath.Base(srcFile.Name())})
session.WaitWithDefaultTimeout()
- Expect(session).To(ExitWithError())
-
+ Expect(session.ExitCode()).To(Equal(0))
+ Expect(session.OutputToString()).To(ContainSubstring(string(originalContent)))
})
+
+ // Copy a file to a volume in the container. The tricky part is that
+ // containers mustn't be running for copying, so Podman has to do some
+ // intense Yoga and 1) detect volume paths on the container, 2) resolve
+ // the path to the volume's mount point on the host, and 3) copy the
+ // data to the volume and not the container.
It("podman cp volume", func() {
+ srcFile, err := ioutil.TempFile("", "")
+ Expect(err).To(BeNil())
+ defer srcFile.Close()
+ defer os.Remove(srcFile.Name())
+
+ originalContent := []byte("podman cp volume")
+ err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644)
+ Expect(err).To(BeNil())
session := podmanTest.Podman([]string{"volume", "create", "data"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
@@ -279,23 +151,31 @@ var _ = Describe("Podman cp", func() {
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- err = ioutil.WriteFile("cp_vol", []byte("copy to the volume"), 0644)
- if err != nil {
- os.Exit(1)
- }
- session = podmanTest.Podman([]string{"cp", "cp_vol", "container1" + ":/data/cp_vol1"})
+ session = podmanTest.Podman([]string{"cp", srcFile.Name(), "container1" + ":/data/file.txt"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- session = podmanTest.Podman([]string{"cp", "container1" + ":/data/cp_vol1", "cp_vol2"})
+ // Now get the volume's mount point, read the file and make
+ // sure the contents match.
+ session = podmanTest.Podman([]string{"volume", "inspect", "data", "--format", "{{.Mountpoint}}"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- os.Remove("cp_vol")
- os.Remove("cp_vol2")
+ volumeMountPoint := session.OutputToString()
+ copiedContent, err := ioutil.ReadFile(filepath.Join(volumeMountPoint, "file.txt"))
+ Expect(err).To(BeNil())
+ Expect(copiedContent).To(Equal(originalContent))
})
+ // Create another user in the container, let them create a file, copy
+ // it to the host and back to the container and make sure that we can
+ // access it, and (roughly) the right users own it.
It("podman cp from ctr chown ", func() {
+ srcFile, err := ioutil.TempFile("", "")
+ Expect(err).To(BeNil())
+ defer srcFile.Close()
+ defer os.Remove(srcFile.Name())
+
setup := podmanTest.RunTopContainer("testctr")
setup.WaitWithDefaultTimeout()
Expect(setup.ExitCode()).To(Equal(0))
@@ -308,17 +188,19 @@ var _ = Describe("Podman cp", func() {
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- session = podmanTest.Podman([]string{"cp", "--pause=false", "testctr:/tmp/testfile", "testfile1"})
+ session = podmanTest.Podman([]string{"cp", "--pause=false", "testctr:/tmp/testfile", srcFile.Name()})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
// owner of the file copied to local machine is not testuser
- cmd := exec.Command("ls", "-l", "testfile1")
+ u, err := user.Current()
+ Expect(err).To(BeNil())
+ cmd := exec.Command("ls", "-l", srcFile.Name())
cmdRet, err := cmd.Output()
Expect(err).To(BeNil())
- Expect(strings.Contains(string(cmdRet), "testuser")).To(BeFalse())
+ Expect(string(cmdRet)).To(ContainSubstring(u.Username))
- session = podmanTest.Podman([]string{"cp", "--pause=false", "testfile1", "testctr:testfile2"})
+ session = podmanTest.Podman([]string{"cp", "--pause=false", srcFile.Name(), "testctr:testfile2"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
@@ -327,45 +209,35 @@ var _ = Describe("Podman cp", func() {
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("root"))
-
- os.Remove("testfile1")
})
- It("podman cp the root directory from the ctr to an existing directory on the host ", func() {
- imgName := "test-cp-root-dir:latest"
- DockerfileName := "Dockerfile.test-cp-root-dir"
- ctrName := "test-container-cp-root"
- session := podmanTest.Podman([]string{"build", "-f", "build/" + DockerfileName, "-t", imgName, "build/"})
+ // Copy the root dir "/" of a container to the host.
+ It("podman cp the root directory from the ctr to an existing directory on the host ", func() {
+ container := "copyroottohost"
+ session := podmanTest.RunTopContainer(container)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- testDirPath := filepath.Join(podmanTest.RunRoot, "TestDirForCp")
-
- session = podmanTest.Podman([]string{"create", "--name", ctrName, imgName, "dummy"})
+ session = podmanTest.Podman([]string{"exec", container, "touch", "/dummy.txt"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- err := os.Mkdir(testDirPath, 0755)
+ tmpDir, err := ioutil.TempDir("", "")
Expect(err).To(BeNil())
- defer os.RemoveAll(testDirPath)
- // Copy the root directory of the container to an existing directory
- session = podmanTest.Podman([]string{"cp", ctrName + ":/", testDirPath})
+ session = podmanTest.Podman([]string{"cp", container + ":/", tmpDir})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
- // The file should be in the directory,
- // not one layer too much of the directory called merged
- checkFile := filepath.Join(testDirPath, DockerfileName)
- _, err = os.Stat(checkFile)
+ cmd := exec.Command("ls", "-la", tmpDir)
+ output, err := cmd.Output()
+ lsOutput := string(output)
Expect(err).To(BeNil())
-
- session = podmanTest.Podman([]string{"container", "rm", ctrName})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
-
- session = podmanTest.Podman([]string{"rmi", "-f", imgName})
- session.WaitWithDefaultTimeout()
- Expect(session.ExitCode()).To(Equal(0))
+ Expect(lsOutput).To(ContainSubstring("dummy.txt"))
+ Expect(lsOutput).To(ContainSubstring("tmp"))
+ Expect(lsOutput).To(ContainSubstring("etc"))
+ Expect(lsOutput).To(ContainSubstring("var"))
+ Expect(lsOutput).To(ContainSubstring("bin"))
+ Expect(lsOutput).To(ContainSubstring("usr"))
})
})
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-12 07:50:20 +0000