mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
818 lines
22 KiB
Go
818 lines
22 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"strings"
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"github.com/go-check/check"
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)
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const (
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cpTestPathParent = "/some"
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cpTestPath = "/some/path"
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cpTestName = "test"
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cpFullPath = "/some/path/test"
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cpContainerContents = "holla, i am the container"
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cpHostContents = "hello, i am the host"
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)
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// Ensure that an all-local path case returns an error.
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func (s *DockerSuite) TestCpLocalOnly(c *check.C) {
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err := runDockerCp(c, "foo", "bar")
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if err == nil {
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c.Fatal("expected failure, got success")
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}
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if !strings.Contains(err.Error(), "must specify at least one container source") {
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c.Fatalf("unexpected output: %s", err.Error())
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}
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}
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// Test for #5656
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// Check that garbage paths don't escape the container's rootfs
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func (s *DockerSuite) TestCpGarbagePath(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath)
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", cleanedContainerID)
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if strings.TrimSpace(out) != "0" {
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c.Fatal("failed to set up container", out)
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}
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if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil {
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c.Fatal(err)
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}
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hostFile, err := os.Create(cpFullPath)
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if err != nil {
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c.Fatal(err)
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}
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defer hostFile.Close()
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defer os.RemoveAll(cpTestPathParent)
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fmt.Fprintf(hostFile, "%s", cpHostContents)
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tmpdir, err := ioutil.TempDir("", "docker-integration")
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if err != nil {
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c.Fatal(err)
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}
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tmpname := filepath.Join(tmpdir, cpTestName)
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defer os.RemoveAll(tmpdir)
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path := path.Join("../../../../../../../../../../../../", cpFullPath)
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dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir)
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file, _ := os.Open(tmpname)
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defer file.Close()
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test, err := ioutil.ReadAll(file)
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if err != nil {
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c.Fatal(err)
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}
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if string(test) == cpHostContents {
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c.Errorf("output matched host file -- garbage path can escape container rootfs")
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}
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if string(test) != cpContainerContents {
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c.Errorf("output doesn't match the input for garbage path")
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}
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}
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// Check that relative paths are relative to the container's rootfs
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func (s *DockerSuite) TestCpRelativePath(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath)
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", cleanedContainerID)
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if strings.TrimSpace(out) != "0" {
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c.Fatal("failed to set up container", out)
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}
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if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil {
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c.Fatal(err)
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}
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hostFile, err := os.Create(cpFullPath)
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if err != nil {
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c.Fatal(err)
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}
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defer hostFile.Close()
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defer os.RemoveAll(cpTestPathParent)
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fmt.Fprintf(hostFile, "%s", cpHostContents)
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tmpdir, err := ioutil.TempDir("", "docker-integration")
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if err != nil {
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c.Fatal(err)
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}
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tmpname := filepath.Join(tmpdir, cpTestName)
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defer os.RemoveAll(tmpdir)
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var relPath string
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if path.IsAbs(cpFullPath) {
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// normally this is `filepath.Rel("/", cpFullPath)` but we cannot
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// get this unix-path manipulation on windows with filepath.
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relPath = cpFullPath[1:]
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} else {
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c.Fatalf("path %s was assumed to be an absolute path", cpFullPath)
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}
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dockerCmd(c, "cp", cleanedContainerID+":"+relPath, tmpdir)
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file, _ := os.Open(tmpname)
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defer file.Close()
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test, err := ioutil.ReadAll(file)
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if err != nil {
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c.Fatal(err)
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}
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if string(test) == cpHostContents {
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c.Errorf("output matched host file -- relative path can escape container rootfs")
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}
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if string(test) != cpContainerContents {
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c.Errorf("output doesn't match the input for relative path")
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}
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}
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// Check that absolute paths are relative to the container's rootfs
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func (s *DockerSuite) TestCpAbsolutePath(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath)
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", cleanedContainerID)
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if strings.TrimSpace(out) != "0" {
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c.Fatal("failed to set up container", out)
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}
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if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil {
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c.Fatal(err)
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}
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hostFile, err := os.Create(cpFullPath)
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if err != nil {
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c.Fatal(err)
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}
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defer hostFile.Close()
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defer os.RemoveAll(cpTestPathParent)
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fmt.Fprintf(hostFile, "%s", cpHostContents)
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tmpdir, err := ioutil.TempDir("", "docker-integration")
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if err != nil {
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c.Fatal(err)
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}
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tmpname := filepath.Join(tmpdir, cpTestName)
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defer os.RemoveAll(tmpdir)
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path := cpFullPath
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dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir)
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file, _ := os.Open(tmpname)
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defer file.Close()
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test, err := ioutil.ReadAll(file)
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if err != nil {
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c.Fatal(err)
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}
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if string(test) == cpHostContents {
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c.Errorf("output matched host file -- absolute path can escape container rootfs")
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}
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if string(test) != cpContainerContents {
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c.Errorf("output doesn't match the input for absolute path")
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}
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}
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// Test for #5619
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// Check that absolute symlinks are still relative to the container's rootfs
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func (s *DockerSuite) TestCpAbsoluteSymlink(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath+" && ln -s "+cpFullPath+" container_path")
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", cleanedContainerID)
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if strings.TrimSpace(out) != "0" {
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c.Fatal("failed to set up container", out)
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}
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if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil {
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c.Fatal(err)
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}
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hostFile, err := os.Create(cpFullPath)
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if err != nil {
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c.Fatal(err)
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}
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defer hostFile.Close()
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defer os.RemoveAll(cpTestPathParent)
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fmt.Fprintf(hostFile, "%s", cpHostContents)
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tmpdir, err := ioutil.TempDir("", "docker-integration")
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if err != nil {
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c.Fatal(err)
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}
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tmpname := filepath.Join(tmpdir, "container_path")
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defer os.RemoveAll(tmpdir)
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path := path.Join("/", "container_path")
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dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir)
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// We should have copied a symlink *NOT* the file itself!
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linkTarget, err := os.Readlink(tmpname)
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if err != nil {
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c.Fatal(err)
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}
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if linkTarget != filepath.FromSlash(cpFullPath) {
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c.Errorf("symlink target was %q, but expected: %q", linkTarget, cpFullPath)
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}
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}
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// Check that symlinks to a directory behave as expected when copying one from
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// a container.
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func (s *DockerSuite) TestCpFromSymlinkToDirectory(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath+" && ln -s "+cpTestPathParent+" /dir_link")
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", cleanedContainerID)
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if strings.TrimSpace(out) != "0" {
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c.Fatal("failed to set up container", out)
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}
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testDir, err := ioutil.TempDir("", "test-cp-from-symlink-to-dir-")
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if err != nil {
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c.Fatal(err)
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}
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defer os.RemoveAll(testDir)
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// This copy command should copy the symlink, not the target, into the
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// temporary directory.
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dockerCmd(c, "cp", cleanedContainerID+":"+"/dir_link", testDir)
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expectedPath := filepath.Join(testDir, "dir_link")
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linkTarget, err := os.Readlink(expectedPath)
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if err != nil {
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c.Fatalf("unable to read symlink at %q: %v", expectedPath, err)
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}
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if linkTarget != filepath.FromSlash(cpTestPathParent) {
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c.Errorf("symlink target was %q, but expected: %q", linkTarget, cpTestPathParent)
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}
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os.Remove(expectedPath)
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// This copy command should resolve the symlink (note the trailing
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// separator), copying the target into the temporary directory.
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dockerCmd(c, "cp", cleanedContainerID+":"+"/dir_link/", testDir)
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// It *should not* have copied the directory using the target's name, but
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// used the given name instead.
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unexpectedPath := filepath.Join(testDir, cpTestPathParent)
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if stat, err := os.Lstat(unexpectedPath); err == nil {
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c.Fatalf("target name was copied: %q - %q", stat.Mode(), stat.Name())
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}
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// It *should* have copied the directory using the asked name "dir_link".
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stat, err := os.Lstat(expectedPath)
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if err != nil {
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c.Fatalf("unable to stat resource at %q: %v", expectedPath, err)
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}
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if !stat.IsDir() {
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c.Errorf("should have copied a directory but got %q instead", stat.Mode())
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}
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}
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// Check that symlinks to a directory behave as expected when copying one to a
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// container.
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func (s *DockerSuite) TestCpToSymlinkToDirectory(c *check.C) {
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testRequires(c, DaemonIsLinux)
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testRequires(c, SameHostDaemon) // Requires local volume mount bind.
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testVol, err := ioutil.TempDir("", "test-cp-to-symlink-to-dir-")
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if err != nil {
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c.Fatal(err)
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}
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defer os.RemoveAll(testVol)
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// Create a test container with a local volume. We will test by copying
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// to the volume path in the container which we can then verify locally.
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out, exitCode := dockerCmd(c, "create", "-v", testVol+":/testVol", "busybox")
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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// Create a temp directory to hold a test file nested in a direcotry.
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testDir, err := ioutil.TempDir("", "test-cp-to-symlink-to-dir-")
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if err != nil {
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c.Fatal(err)
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}
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defer os.RemoveAll(testDir)
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// This file will be at "/testDir/some/path/test" and will be copied into
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// the test volume later.
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hostTestFilename := filepath.Join(testDir, cpFullPath)
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if err := os.MkdirAll(filepath.Dir(hostTestFilename), os.FileMode(0700)); err != nil {
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c.Fatal(err)
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}
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if err := ioutil.WriteFile(hostTestFilename, []byte(cpHostContents), os.FileMode(0600)); err != nil {
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c.Fatal(err)
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}
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// Now create another temp directory to hold a symlink to the
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// "/testDir/some" directory.
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linkDir, err := ioutil.TempDir("", "test-cp-to-symlink-to-dir-")
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if err != nil {
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c.Fatal(err)
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}
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defer os.RemoveAll(linkDir)
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// Then symlink "/linkDir/dir_link" to "/testdir/some".
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linkTarget := filepath.Join(testDir, cpTestPathParent)
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localLink := filepath.Join(linkDir, "dir_link")
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if err := os.Symlink(linkTarget, localLink); err != nil {
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c.Fatal(err)
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}
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// Now copy that symlink into the test volume in the container.
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dockerCmd(c, "cp", localLink, cleanedContainerID+":/testVol")
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// This copy command should have copied the symlink *not* the target.
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expectedPath := filepath.Join(testVol, "dir_link")
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actualLinkTarget, err := os.Readlink(expectedPath)
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if err != nil {
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c.Fatalf("unable to read symlink at %q: %v", expectedPath, err)
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}
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if actualLinkTarget != linkTarget {
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c.Errorf("symlink target was %q, but expected: %q", actualLinkTarget, linkTarget)
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}
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// Good, now remove that copied link for the next test.
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os.Remove(expectedPath)
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// This copy command should resolve the symlink (note the trailing
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// separator), copying the target into the test volume directory in the
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// container.
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dockerCmd(c, "cp", localLink+"/", cleanedContainerID+":/testVol")
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// It *should not* have copied the directory using the target's name, but
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// used the given name instead.
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unexpectedPath := filepath.Join(testVol, cpTestPathParent)
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if stat, err := os.Lstat(unexpectedPath); err == nil {
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c.Fatalf("target name was copied: %q - %q", stat.Mode(), stat.Name())
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}
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// It *should* have copied the directory using the asked name "dir_link".
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stat, err := os.Lstat(expectedPath)
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if err != nil {
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c.Fatalf("unable to stat resource at %q: %v", expectedPath, err)
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}
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if !stat.IsDir() {
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c.Errorf("should have copied a directory but got %q instead", stat.Mode())
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}
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// And this directory should contain the file copied from the host at the
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// expected location: "/testVol/dir_link/path/test"
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expectedFilepath := filepath.Join(testVol, "dir_link/path/test")
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fileContents, err := ioutil.ReadFile(expectedFilepath)
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if err != nil {
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c.Fatal(err)
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}
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if string(fileContents) != cpHostContents {
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c.Fatalf("file contains %q but expected %q", string(fileContents), cpHostContents)
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}
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}
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// Test for #5619
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// Check that symlinks which are part of the resource path are still relative to the container's rootfs
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func (s *DockerSuite) TestCpSymlinkComponent(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath+" && ln -s "+cpTestPath+" container_path")
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if exitCode != 0 {
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c.Fatal("failed to create a container", out)
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}
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cleanedContainerID := strings.TrimSpace(out)
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out, _ = dockerCmd(c, "wait", cleanedContainerID)
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if strings.TrimSpace(out) != "0" {
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c.Fatal("failed to set up container", out)
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}
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if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil {
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c.Fatal(err)
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}
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hostFile, err := os.Create(cpFullPath)
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if err != nil {
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c.Fatal(err)
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}
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defer hostFile.Close()
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defer os.RemoveAll(cpTestPathParent)
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fmt.Fprintf(hostFile, "%s", cpHostContents)
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tmpdir, err := ioutil.TempDir("", "docker-integration")
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if err != nil {
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c.Fatal(err)
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}
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tmpname := filepath.Join(tmpdir, cpTestName)
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defer os.RemoveAll(tmpdir)
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path := path.Join("/", "container_path", cpTestName)
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dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir)
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file, _ := os.Open(tmpname)
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defer file.Close()
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test, err := ioutil.ReadAll(file)
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if err != nil {
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c.Fatal(err)
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}
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if string(test) == cpHostContents {
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c.Errorf("output matched host file -- symlink path component can escape container rootfs")
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}
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if string(test) != cpContainerContents {
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c.Errorf("output doesn't match the input for symlink path component")
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}
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}
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// Check that cp with unprivileged user doesn't return any error
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func (s *DockerSuite) TestCpUnprivilegedUser(c *check.C) {
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testRequires(c, DaemonIsLinux)
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testRequires(c, UnixCli) // uses chmod/su: not available on windows
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|
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out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "touch "+cpTestName)
|
|
if exitCode != 0 {
|
|
c.Fatal("failed to create a container", out)
|
|
}
|
|
|
|
cleanedContainerID := strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", cleanedContainerID)
|
|
if strings.TrimSpace(out) != "0" {
|
|
c.Fatal("failed to set up container", out)
|
|
}
|
|
|
|
tmpdir, err := ioutil.TempDir("", "docker-integration")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
if err = os.Chmod(tmpdir, 0777); err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
path := cpTestName
|
|
|
|
_, _, err = runCommandWithOutput(exec.Command("su", "unprivilegeduser", "-c", dockerBinary+" cp "+cleanedContainerID+":"+path+" "+tmpdir))
|
|
if err != nil {
|
|
c.Fatalf("couldn't copy with unprivileged user: %s:%s %s", cleanedContainerID, path, err)
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestCpSpecialFiles(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, SameHostDaemon)
|
|
|
|
outDir, err := ioutil.TempDir("", "cp-test-special-files")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(outDir)
|
|
|
|
out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "touch /foo")
|
|
if exitCode != 0 {
|
|
c.Fatal("failed to create a container", out)
|
|
}
|
|
|
|
cleanedContainerID := strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", cleanedContainerID)
|
|
if strings.TrimSpace(out) != "0" {
|
|
c.Fatal("failed to set up container", out)
|
|
}
|
|
|
|
// Copy actual /etc/resolv.conf
|
|
dockerCmd(c, "cp", cleanedContainerID+":/etc/resolv.conf", outDir)
|
|
|
|
expected, err := ioutil.ReadFile("/var/lib/docker/containers/" + cleanedContainerID + "/resolv.conf")
|
|
actual, err := ioutil.ReadFile(outDir + "/resolv.conf")
|
|
|
|
if !bytes.Equal(actual, expected) {
|
|
c.Fatalf("Expected copied file to be duplicate of the container resolvconf")
|
|
}
|
|
|
|
// Copy actual /etc/hosts
|
|
dockerCmd(c, "cp", cleanedContainerID+":/etc/hosts", outDir)
|
|
|
|
expected, err = ioutil.ReadFile("/var/lib/docker/containers/" + cleanedContainerID + "/hosts")
|
|
actual, err = ioutil.ReadFile(outDir + "/hosts")
|
|
|
|
if !bytes.Equal(actual, expected) {
|
|
c.Fatalf("Expected copied file to be duplicate of the container hosts")
|
|
}
|
|
|
|
// Copy actual /etc/resolv.conf
|
|
dockerCmd(c, "cp", cleanedContainerID+":/etc/hostname", outDir)
|
|
|
|
expected, err = ioutil.ReadFile("/var/lib/docker/containers/" + cleanedContainerID + "/hostname")
|
|
actual, err = ioutil.ReadFile(outDir + "/hostname")
|
|
|
|
if !bytes.Equal(actual, expected) {
|
|
c.Fatalf("Expected copied file to be duplicate of the container resolvconf")
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestCpVolumePath(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, SameHostDaemon)
|
|
|
|
tmpDir, err := ioutil.TempDir("", "cp-test-volumepath")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
outDir, err := ioutil.TempDir("", "cp-test-volumepath-out")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(outDir)
|
|
_, err = os.Create(tmpDir + "/test")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
|
|
out, exitCode := dockerCmd(c, "run", "-d", "-v", "/foo", "-v", tmpDir+"/test:/test", "-v", tmpDir+":/baz", "busybox", "/bin/sh", "-c", "touch /foo/bar")
|
|
if exitCode != 0 {
|
|
c.Fatal("failed to create a container", out)
|
|
}
|
|
|
|
cleanedContainerID := strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", cleanedContainerID)
|
|
if strings.TrimSpace(out) != "0" {
|
|
c.Fatal("failed to set up container", out)
|
|
}
|
|
|
|
// Copy actual volume path
|
|
dockerCmd(c, "cp", cleanedContainerID+":/foo", outDir)
|
|
|
|
stat, err := os.Stat(outDir + "/foo")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if !stat.IsDir() {
|
|
c.Fatal("expected copied content to be dir")
|
|
}
|
|
stat, err = os.Stat(outDir + "/foo/bar")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if stat.IsDir() {
|
|
c.Fatal("Expected file `bar` to be a file")
|
|
}
|
|
|
|
// Copy file nested in volume
|
|
dockerCmd(c, "cp", cleanedContainerID+":/foo/bar", outDir)
|
|
|
|
stat, err = os.Stat(outDir + "/bar")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if stat.IsDir() {
|
|
c.Fatal("Expected file `bar` to be a file")
|
|
}
|
|
|
|
// Copy Bind-mounted dir
|
|
dockerCmd(c, "cp", cleanedContainerID+":/baz", outDir)
|
|
stat, err = os.Stat(outDir + "/baz")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if !stat.IsDir() {
|
|
c.Fatal("Expected `baz` to be a dir")
|
|
}
|
|
|
|
// Copy file nested in bind-mounted dir
|
|
dockerCmd(c, "cp", cleanedContainerID+":/baz/test", outDir)
|
|
fb, err := ioutil.ReadFile(outDir + "/baz/test")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
fb2, err := ioutil.ReadFile(tmpDir + "/test")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if !bytes.Equal(fb, fb2) {
|
|
c.Fatalf("Expected copied file to be duplicate of bind-mounted file")
|
|
}
|
|
|
|
// Copy bind-mounted file
|
|
dockerCmd(c, "cp", cleanedContainerID+":/test", outDir)
|
|
fb, err = ioutil.ReadFile(outDir + "/test")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
fb2, err = ioutil.ReadFile(tmpDir + "/test")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
if !bytes.Equal(fb, fb2) {
|
|
c.Fatalf("Expected copied file to be duplicate of bind-mounted file")
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestCpToDot(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "echo lololol > /test")
|
|
if exitCode != 0 {
|
|
c.Fatal("failed to create a container", out)
|
|
}
|
|
|
|
cleanedContainerID := strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", cleanedContainerID)
|
|
if strings.TrimSpace(out) != "0" {
|
|
c.Fatal("failed to set up container", out)
|
|
}
|
|
|
|
tmpdir, err := ioutil.TempDir("", "docker-integration")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpdir)
|
|
cwd, err := os.Getwd()
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
defer os.Chdir(cwd)
|
|
if err := os.Chdir(tmpdir); err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
dockerCmd(c, "cp", cleanedContainerID+":/test", ".")
|
|
content, err := ioutil.ReadFile("./test")
|
|
if string(content) != "lololol\n" {
|
|
c.Fatalf("Wrong content in copied file %q, should be %q", content, "lololol\n")
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestCpToStdout(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "echo lololol > /test")
|
|
if exitCode != 0 {
|
|
c.Fatalf("failed to create a container:%s\n", out)
|
|
}
|
|
|
|
cID := strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", cID)
|
|
if strings.TrimSpace(out) != "0" {
|
|
c.Fatalf("failed to set up container:%s\n", out)
|
|
}
|
|
|
|
out, _, err := runCommandPipelineWithOutput(
|
|
exec.Command(dockerBinary, "cp", cID+":/test", "-"),
|
|
exec.Command("tar", "-vtf", "-"))
|
|
|
|
if err != nil {
|
|
c.Fatalf("Failed to run commands: %s", err)
|
|
}
|
|
|
|
if !strings.Contains(out, "test") || !strings.Contains(out, "-rw") {
|
|
c.Fatalf("Missing file from tar TOC:\n%s", out)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestCpNameHasColon(c *check.C) {
|
|
testRequires(c, SameHostDaemon)
|
|
|
|
out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "echo lololol > /te:s:t")
|
|
if exitCode != 0 {
|
|
c.Fatal("failed to create a container", out)
|
|
}
|
|
|
|
cleanedContainerID := strings.TrimSpace(out)
|
|
|
|
out, _ = dockerCmd(c, "wait", cleanedContainerID)
|
|
if strings.TrimSpace(out) != "0" {
|
|
c.Fatal("failed to set up container", out)
|
|
}
|
|
|
|
tmpdir, err := ioutil.TempDir("", "docker-integration")
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpdir)
|
|
dockerCmd(c, "cp", cleanedContainerID+":/te:s:t", tmpdir)
|
|
content, err := ioutil.ReadFile(tmpdir + "/te:s:t")
|
|
if string(content) != "lololol\n" {
|
|
c.Fatalf("Wrong content in copied file %q, should be %q", content, "lololol\n")
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestCopyAndRestart(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
expectedMsg := "hello"
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "echo", expectedMsg)
|
|
id := strings.TrimSpace(string(out))
|
|
|
|
out, _ = dockerCmd(c, "wait", id)
|
|
|
|
status := strings.TrimSpace(out)
|
|
if status != "0" {
|
|
c.Fatalf("container exited with status %s", status)
|
|
}
|
|
|
|
tmpDir, err := ioutil.TempDir("", "test-docker-restart-after-copy-")
|
|
if err != nil {
|
|
c.Fatalf("unable to make temporary directory: %s", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
dockerCmd(c, "cp", fmt.Sprintf("%s:/etc/issue", id), tmpDir)
|
|
|
|
out, _ = dockerCmd(c, "start", "-a", id)
|
|
|
|
msg := strings.TrimSpace(out)
|
|
if msg != expectedMsg {
|
|
c.Fatalf("expected %q but got %q", expectedMsg, msg)
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestCopyCreatedContainer(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
dockerCmd(c, "create", "--name", "test_cp", "-v", "/test", "busybox")
|
|
|
|
tmpDir, err := ioutil.TempDir("", "test")
|
|
if err != nil {
|
|
c.Fatalf("unable to make temporary directory: %s", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
dockerCmd(c, "cp", "test_cp:/bin/sh", tmpDir)
|
|
}
|