package main import ( "os/exec" "runtime" "strings" "github.com/docker/docker/pkg/integration/checker" "github.com/go-check/check" ) func init() { // FIXME. Temporarily turning this off for Windows as GH16039 was breaking // Windows to Linux CI @icecrime if runtime.GOOS != "windows" { check.Suite(newDockerHubPullSuite()) } } // DockerHubPullSuite provides a isolated daemon that doesn't have all the // images that are baked into our 'global' test environment daemon (e.g., // busybox, httpserver, ...). // // We use it for push/pull tests where we want to start fresh, and measure the // relative impact of each individual operation. As part of this suite, all // images are removed after each test. type DockerHubPullSuite struct { d *Daemon ds *DockerSuite } // newDockerHubPullSuite returns a new instance of a DockerHubPullSuite. func newDockerHubPullSuite() *DockerHubPullSuite { return &DockerHubPullSuite{ ds: &DockerSuite{}, } } // SetUpSuite starts the suite daemon. func (s *DockerHubPullSuite) SetUpSuite(c *check.C) { testRequires(c, DaemonIsLinux) s.d = NewDaemon(c) err := s.d.Start() c.Assert(err, checker.IsNil, check.Commentf("starting push/pull test daemon: %v", err)) } // TearDownSuite stops the suite daemon. func (s *DockerHubPullSuite) TearDownSuite(c *check.C) { if s.d != nil { err := s.d.Stop() c.Assert(err, checker.IsNil, check.Commentf("stopping push/pull test daemon: %v", err)) } } // SetUpTest declares that all tests of this suite require network. func (s *DockerHubPullSuite) SetUpTest(c *check.C) { testRequires(c, Network) } // TearDownTest removes all images from the suite daemon. func (s *DockerHubPullSuite) TearDownTest(c *check.C) { out := s.Cmd(c, "images", "-aq") images := strings.Split(out, "\n") images = append([]string{"-f"}, images...) s.d.Cmd("rmi", images...) s.ds.TearDownTest(c) } // Cmd executes a command against the suite daemon and returns the combined // output. The function fails the test when the command returns an error. func (s *DockerHubPullSuite) Cmd(c *check.C, name string, arg ...string) string { out, err := s.CmdWithError(name, arg...) c.Assert(err, checker.IsNil, check.Commentf("%q failed with errors: %s, %v", strings.Join(arg, " "), out, err)) return out } // CmdWithError executes a command against the suite daemon and returns the // combined output as well as any error. func (s *DockerHubPullSuite) CmdWithError(name string, arg ...string) (string, error) { c := s.MakeCmd(name, arg...) b, err := c.CombinedOutput() return string(b), err } // MakeCmd returns a exec.Cmd command to run against the suite daemon. func (s *DockerHubPullSuite) MakeCmd(name string, arg ...string) *exec.Cmd { args := []string{"--host", s.d.sock(), name} args = append(args, arg...) return exec.Command(dockerBinary, args...) }