// Fetch is defined in simplestreams.DataSource.
func (h *urlDataSource) Fetch(path string) (io.ReadCloser, string, error) {
dataURL := urlJoin(h.baseURL, path)
client := utils.GetHTTPClient(h.hostnameVerification)
// dataURL can be http:// or file://
resp, err := client.Get(dataURL)
if err != nil {
logger.Debugf("Got error requesting %q: %v", dataURL, err)
return nil, dataURL, errors.NotFoundf("invalid URL %q", dataURL)
}
if resp.StatusCode == http.StatusNotFound {
return nil, dataURL, errors.NotFoundf("cannot find URL %q", dataURL)
}
if resp.StatusCode == http.StatusUnauthorized {
return nil, dataURL, errors.Unauthorizedf("unauthorised access to URL %q", dataURL)
}
if resp.StatusCode != http.StatusOK {
return nil, dataURL, fmt.Errorf("cannot access URL %q, %q", dataURL, resp.Status)
}
return resp.Body, dataURL, nil
}
func (u *Upgrader) ensureTools(agentTools *coretools.Tools, hostnameVerification utils.SSLHostnameVerification) error {
if _, err := agenttools.ReadTools(u.dataDir, agentTools.Version); err == nil {
// Tools have already been downloaded
return nil
}
logger.Infof("fetching tools from %q", agentTools.URL)
client := utils.GetHTTPClient(hostnameVerification)
resp, err := client.Get(agentTools.URL)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("bad HTTP response: %v", resp.Status)
}
err = agenttools.UnpackTools(u.dataDir, agentTools, resp.Body)
if err != nil {
return fmt.Errorf("cannot unpack tools: %v", err)
}
logger.Infof("unpacked tools %s to %s", agentTools.Version, u.dataDir)
return nil
}
func (s *httpSuite) TestNonValidatingClientGetter(c *gc.C) {
client1 := utils.GetNonValidatingHTTPClient()
client2 := utils.GetHTTPClient(utils.NoVerifySSLHostnames)
c.Check(client1, gc.Equals, client2)
}