287 lines
8.6 KiB
Go
287 lines
8.6 KiB
Go
// +build linux
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package main
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import (
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"os"
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"path/filepath"
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"strings"
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"syscall"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/pkg/mount"
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icmd "github.com/docker/docker/pkg/testutil/cmd"
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"github.com/go-check/check"
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)
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// TestDaemonRestartWithPluginEnabled tests state restore for an enabled plugin
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func (s *DockerDaemonSuite) TestDaemonRestartWithPluginEnabled(c *check.C) {
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testRequires(c, IsAmd64, Network)
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s.d.Start(c)
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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defer func() {
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if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
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c.Fatalf("Could not disable plugin: %v %s", err, out)
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}
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if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
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c.Fatalf("Could not remove plugin: %v %s", err, out)
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}
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}()
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s.d.Restart(c)
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out, err := s.d.Cmd("plugin", "ls")
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if err != nil {
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c.Fatalf("Could not list plugins: %v %s", err, out)
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}
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c.Assert(out, checker.Contains, pName)
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c.Assert(out, checker.Contains, "true")
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}
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// TestDaemonRestartWithPluginDisabled tests state restore for a disabled plugin
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func (s *DockerDaemonSuite) TestDaemonRestartWithPluginDisabled(c *check.C) {
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testRequires(c, IsAmd64, Network)
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s.d.Start(c)
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName, "--disable"); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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defer func() {
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if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
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c.Fatalf("Could not remove plugin: %v %s", err, out)
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}
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}()
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s.d.Restart(c)
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out, err := s.d.Cmd("plugin", "ls")
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if err != nil {
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c.Fatalf("Could not list plugins: %v %s", err, out)
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}
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c.Assert(out, checker.Contains, pName)
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c.Assert(out, checker.Contains, "false")
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}
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// TestDaemonKillLiveRestoreWithPlugins SIGKILLs daemon started with --live-restore.
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// Plugins should continue to run.
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func (s *DockerDaemonSuite) TestDaemonKillLiveRestoreWithPlugins(c *check.C) {
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testRequires(c, IsAmd64, Network)
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s.d.Start(c, "--live-restore")
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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defer func() {
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s.d.Restart(c, "--live-restore")
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if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
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c.Fatalf("Could not disable plugin: %v %s", err, out)
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}
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if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
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c.Fatalf("Could not remove plugin: %v %s", err, out)
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}
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}()
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if err := s.d.Kill(); err != nil {
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c.Fatalf("Could not kill daemon: %v", err)
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}
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icmd.RunCommand("pgrep", "-f", pluginProcessName).Assert(c, icmd.Success)
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}
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// TestDaemonShutdownLiveRestoreWithPlugins SIGTERMs daemon started with --live-restore.
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// Plugins should continue to run.
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func (s *DockerDaemonSuite) TestDaemonShutdownLiveRestoreWithPlugins(c *check.C) {
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testRequires(c, IsAmd64, Network)
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s.d.Start(c, "--live-restore")
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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defer func() {
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s.d.Restart(c, "--live-restore")
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if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
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c.Fatalf("Could not disable plugin: %v %s", err, out)
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}
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if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
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c.Fatalf("Could not remove plugin: %v %s", err, out)
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}
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}()
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if err := s.d.Interrupt(); err != nil {
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c.Fatalf("Could not kill daemon: %v", err)
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}
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icmd.RunCommand("pgrep", "-f", pluginProcessName).Assert(c, icmd.Success)
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}
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// TestDaemonShutdownWithPlugins shuts down running plugins.
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func (s *DockerDaemonSuite) TestDaemonShutdownWithPlugins(c *check.C) {
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testRequires(c, IsAmd64, Network, SameHostDaemon)
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s.d.Start(c)
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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defer func() {
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s.d.Restart(c)
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if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
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c.Fatalf("Could not disable plugin: %v %s", err, out)
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}
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if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
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c.Fatalf("Could not remove plugin: %v %s", err, out)
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}
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}()
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if err := s.d.Interrupt(); err != nil {
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c.Fatalf("Could not kill daemon: %v", err)
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}
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for {
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if err := syscall.Kill(s.d.Pid(), 0); err == syscall.ESRCH {
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break
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}
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}
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icmd.RunCommand("pgrep", "-f", pluginProcessName).Assert(c, icmd.Expected{
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ExitCode: 1,
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Error: "exit status 1",
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})
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s.d.Start(c, "--live-restore")
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icmd.RunCommand("pgrep", "-f", pluginProcessName).Assert(c, icmd.Success)
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}
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// TestVolumePlugin tests volume creation using a plugin.
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func (s *DockerDaemonSuite) TestVolumePlugin(c *check.C) {
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testRequires(c, IsAmd64, Network)
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volName := "plugin-volume"
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destDir := "/tmp/data/"
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destFile := "foo"
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s.d.Start(c)
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out, err := s.d.Cmd("plugin", "install", pName, "--grant-all-permissions")
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if err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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pluginID, err := s.d.Cmd("plugin", "inspect", "-f", "{{.Id}}", pName)
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pluginID = strings.TrimSpace(pluginID)
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if err != nil {
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c.Fatalf("Could not retrieve plugin ID: %v %s", err, pluginID)
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}
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mountpointPrefix := filepath.Join(s.d.RootDir(), "plugins", pluginID, "rootfs")
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defer func() {
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if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
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c.Fatalf("Could not disable plugin: %v %s", err, out)
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}
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if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
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c.Fatalf("Could not remove plugin: %v %s", err, out)
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}
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exists, err := existsMountpointWithPrefix(mountpointPrefix)
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c.Assert(err, checker.IsNil)
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c.Assert(exists, checker.Equals, false)
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}()
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out, err = s.d.Cmd("volume", "create", "-d", pName, volName)
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if err != nil {
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c.Fatalf("Could not create volume: %v %s", err, out)
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}
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defer func() {
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if out, err := s.d.Cmd("volume", "remove", volName); err != nil {
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c.Fatalf("Could not remove volume: %v %s", err, out)
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}
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}()
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out, err = s.d.Cmd("volume", "ls")
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if err != nil {
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c.Fatalf("Could not list volume: %v %s", err, out)
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}
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c.Assert(out, checker.Contains, volName)
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c.Assert(out, checker.Contains, pName)
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mountPoint, err := s.d.Cmd("volume", "inspect", volName, "--format", "{{.Mountpoint}}")
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if err != nil {
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c.Fatalf("Could not inspect volume: %v %s", err, mountPoint)
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}
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mountPoint = strings.TrimSpace(mountPoint)
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out, err = s.d.Cmd("run", "--rm", "-v", volName+":"+destDir, "busybox", "touch", destDir+destFile)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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path := filepath.Join(s.d.RootDir(), "plugins", pluginID, "rootfs", mountPoint, destFile)
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_, err = os.Lstat(path)
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c.Assert(err, checker.IsNil)
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exists, err := existsMountpointWithPrefix(mountpointPrefix)
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c.Assert(err, checker.IsNil)
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c.Assert(exists, checker.Equals, true)
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}
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func (s *DockerDaemonSuite) TestGraphdriverPlugin(c *check.C) {
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testRequires(c, Network, IsAmd64, DaemonIsLinux, overlay2Supported, ExperimentalDaemon)
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s.d.Start(c)
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// install the plugin
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plugin := "cpuguy83/docker-overlay2-graphdriver-plugin"
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out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", plugin)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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// restart the daemon with the plugin set as the storage driver
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s.d.Restart(c, "-s", plugin, "--storage-opt", "overlay2.override_kernel_check=1")
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// run a container
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out, err = s.d.Cmd("run", "--rm", "busybox", "true") // this will pull busybox using the plugin
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c.Assert(err, checker.IsNil, check.Commentf(out))
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}
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func (s *DockerDaemonSuite) TestPluginVolumeRemoveOnRestart(c *check.C) {
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testRequires(c, DaemonIsLinux, Network, IsAmd64)
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s.d.Start(c, "--live-restore=true")
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out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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c.Assert(strings.TrimSpace(out), checker.Contains, pName)
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out, err = s.d.Cmd("volume", "create", "--driver", pName, "test")
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c.Assert(err, checker.IsNil, check.Commentf(out))
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s.d.Restart(c, "--live-restore=true")
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out, err = s.d.Cmd("plugin", "disable", pName)
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c.Assert(err, checker.NotNil, check.Commentf(out))
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c.Assert(out, checker.Contains, "in use")
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out, err = s.d.Cmd("volume", "rm", "test")
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c.Assert(err, checker.IsNil, check.Commentf(out))
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out, err = s.d.Cmd("plugin", "disable", pName)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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out, err = s.d.Cmd("plugin", "rm", pName)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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}
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func existsMountpointWithPrefix(mountpointPrefix string) (bool, error) {
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mounts, err := mount.GetMounts()
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if err != nil {
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return false, err
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}
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for _, mnt := range mounts {
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if strings.HasPrefix(mnt.Mountpoint, mountpointPrefix) {
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return true, nil
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}
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}
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return false, nil
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}
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