func TestDownloadAgentMD5Mismatch(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
md5response := &http.Response{}
md5sum := "md5sum"
tarballResponse := &http.Response{
StatusCode: 200,
Body: ioutil.NopCloser(&bytes.Buffer{}),
}
mockFS := NewMockfileSystem(mockCtrl)
mockFS.EXPECT().MkdirAll(config.CacheDirectory(), os.ModeDir|0700)
mockGetter := NewMockhttpGetter(mockCtrl)
mockGetter.EXPECT().Get(config.AgentRemoteTarballMD5()).Return(md5response, nil)
mockFS.EXPECT().ReadAll(md5response.Body).Return([]byte(md5sum), nil)
mockGetter.EXPECT().Get(config.AgentRemoteTarball()).Return(tarballResponse, nil)
tempfile, err := ioutil.TempFile("", "test")
if err != nil {
t.Fail()
}
defer tempfile.Close()
mockFS.EXPECT().TempFile("", "ecs-agent.tar").Return(tempfile, nil)
mockFS.EXPECT().TeeReader(tarballResponse.Body, gomock.Any())
mockFS.EXPECT().Copy(tempfile, gomock.Any()).Return(int64(0), nil)
mockFS.EXPECT().Remove(tempfile.Name())
d := &Downloader{
getter: mockGetter,
fs: mockFS,
}
d.DownloadAgent()
}
func TestDownloadAgentTempFile(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
md5response := &http.Response{}
md5sum := "md5sum"
tarballResponse := &http.Response{
StatusCode: 200,
Body: ioutil.NopCloser(&bytes.Buffer{}),
}
mockFS := NewMockfileSystem(mockCtrl)
mockFS.EXPECT().MkdirAll(config.CacheDirectory(), os.ModeDir|0700)
mockGetter := NewMockhttpGetter(mockCtrl)
mockGetter.EXPECT().Get(config.AgentRemoteTarballMD5()).Return(md5response, nil)
mockFS.EXPECT().ReadAll(md5response.Body).Return([]byte(md5sum), nil)
mockGetter.EXPECT().Get(config.AgentRemoteTarball()).Return(tarballResponse, nil)
mockFS.EXPECT().TempFile("", "ecs-agent.tar").Return(nil, errors.New("test error"))
d := &Downloader{
getter: mockGetter,
fs: mockFS,
}
d.DownloadAgent()
}
func (d *Downloader) getPublishedMd5Sum() (string, error) {
log.Debugf("Downloading published md5sum from %s", config.AgentRemoteTarballMD5())
resp, err := d.getter.Get(config.AgentRemoteTarballMD5())
if err != nil {
return "", err
}
defer func() {
if resp != nil && resp.Body != nil {
resp.Body.Close()
}
}()
body, err := d.fs.ReadAll(resp.Body)
if err != nil {
return "", err
}
return strings.TrimSpace(string(body)), nil
}
func TestDownloadAgentDownloadMD5Failure(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
mockFS := NewMockfileSystem(mockCtrl)
mockGetter := NewMockhttpGetter(mockCtrl)
mockFS.EXPECT().MkdirAll(config.CacheDirectory(), os.ModeDir|0700)
mockGetter.EXPECT().Get(config.AgentRemoteTarballMD5()).Return(nil, errors.New("test error"))
d := &Downloader{
getter: mockGetter,
fs: mockFS,
}
d.DownloadAgent()
}
func TestDownloadAgentDownloadTarballFailure(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
md5response := &http.Response{}
md5sum := "md5sum"
mockFS := NewMockfileSystem(mockCtrl)
mockFS.EXPECT().MkdirAll(config.CacheDirectory(), os.ModeDir|0700)
mockGetter := NewMockhttpGetter(mockCtrl)
mockGetter.EXPECT().Get(config.AgentRemoteTarballMD5()).Return(md5response, nil)
mockFS.EXPECT().ReadAll(md5response.Body).Return([]byte(md5sum), nil)
mockGetter.EXPECT().Get(config.AgentRemoteTarball()).Return(nil, errors.New("test error"))
d := &Downloader{
getter: mockGetter,
fs: mockFS,
}
d.DownloadAgent()
}
func TestDownloadAgentReadPublishedMd5Failure(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
md5response := &http.Response{
Body: ioutil.NopCloser(&bytes.Buffer{}),
}
mockFS := NewMockfileSystem(mockCtrl)
mockFS.EXPECT().MkdirAll(config.CacheDirectory(), os.ModeDir|0700)
mockGetter := NewMockhttpGetter(mockCtrl)
mockGetter.EXPECT().Get(config.AgentRemoteTarballMD5()).Return(md5response, nil)
mockFS.EXPECT().ReadAll(md5response.Body).Return(nil, errors.New("test error"))
d := &Downloader{
getter: mockGetter,
fs: mockFS,
}
d.DownloadAgent()
}
func TestDownloadAgentSuccess(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
tarballContents := "tarball contents"
tarballResponse := &http.Response{
StatusCode: 200,
Body: ioutil.NopCloser(bytes.NewBufferString(tarballContents)),
}
expectedMd5Sum := fmt.Sprintf("%x\n", md5.Sum([]byte(tarballContents)))
md5response := &http.Response{}
mockFS := NewMockfileSystem(mockCtrl)
mockFS.EXPECT().MkdirAll(config.CacheDirectory(), os.ModeDir|0700)
mockGetter := NewMockhttpGetter(mockCtrl)
mockGetter.EXPECT().Get(config.AgentRemoteTarballMD5()).Return(md5response, nil)
mockFS.EXPECT().ReadAll(md5response.Body).Return([]byte(expectedMd5Sum), nil)
mockGetter.EXPECT().Get(config.AgentRemoteTarball()).Return(tarballResponse, nil)
tempfile, err := ioutil.TempFile("", "test")
if err != nil {
t.Fail()
}
defer tempfile.Close()
mockFS.EXPECT().TempFile("", "ecs-agent.tar").Return(tempfile, nil)
mockFS.EXPECT().TeeReader(tarballResponse.Body, gomock.Any()).Do(func(reader io.Reader, writer io.Writer) {
_, err = io.Copy(writer, reader)
if err != nil {
t.Fail()
}
})
mockFS.EXPECT().Copy(tempfile, gomock.Any()).Return(int64(0), nil)
mockFS.EXPECT().Rename(tempfile.Name(), config.AgentTarball())
d := &Downloader{
getter: mockGetter,
fs: mockFS,
}
d.DownloadAgent()
}