package main import ( "io/ioutil" "net/http" "net/http/httptest" "os" "os/exec" "path/filepath" "runtime" "github.com/docker/docker/autogen/dockerversion" "github.com/docker/docker/pkg/homedir" "github.com/go-check/check" ) func (s *DockerSuite) TestConfigHttpHeader(c *check.C) { testRequires(c, UnixCli) // Can't set/unset HOME on windows right now // We either need a level of Go that supports Unsetenv (for cases // when HOME/USERPROFILE isn't set), or we need to be able to use // os/user but user.Current() only works if we aren't statically compiling var headers map[string][]string server := httptest.NewServer(http.HandlerFunc( func(w http.ResponseWriter, r *http.Request) { headers = r.Header })) defer server.Close() homeKey := homedir.Key() homeVal := homedir.Get() tmpDir, _ := ioutil.TempDir("", "fake-home") defer os.RemoveAll(tmpDir) dotDocker := filepath.Join(tmpDir, ".docker") os.Mkdir(dotDocker, 0600) tmpCfg := filepath.Join(dotDocker, "config.json") defer func() { os.Setenv(homeKey, homeVal) }() os.Setenv(homeKey, tmpDir) data := `{ "HttpHeaders": { "MyHeader": "MyValue" } }` err := ioutil.WriteFile(tmpCfg, []byte(data), 0600) if err != nil { c.Fatalf("Err creating file(%s): %v", tmpCfg, err) } cmd := exec.Command(dockerBinary, "-H="+server.URL[7:], "ps") out, _, _ := runCommandWithOutput(cmd) if headers["User-Agent"] == nil { c.Fatalf("Missing User-Agent: %q\nout:%v", headers, out) } if headers["User-Agent"][0] != "Docker-Client/"+dockerversion.VERSION+" ("+runtime.GOOS+")" { c.Fatalf("Badly formatted User-Agent: %q\nout:%v", headers, out) } if headers["Myheader"] == nil || headers["Myheader"][0] != "MyValue" { c.Fatalf("Missing/bad header: %q\nout:%v", headers, out) } }