| 180 | } |
| 181 | |
| 182 | func getEffectiveClusterVersion(server string) (uint64, error) { |
| 183 | if len(server) < 2 { |
| 184 | return 1, fmt.Errorf("version: no server URL configured") |
| 185 | } |
| 186 | |
| 187 | u, err := cbgt.CBAuthURL(server) |
| 188 | if err != nil { |
| 189 | return 0, fmt.Errorf("version: auth for ns_server,"+ |
| 190 | " server: %s, authType: %s, err: %v", |
| 191 | server, "cbauth", err) |
| 192 | } |
| 193 | |
| 194 | req, err := http.NewRequest("GET", u, nil) |
| 195 | if err != nil { |
| 196 | return 0, err |
| 197 | } |
| 198 | |
| 199 | req.Header.Add("Content-Type", "application/json") |
| 200 | |
| 201 | resp, err := cbgt.HttpClient().Do(req) |
| 202 | if err != nil { |
| 203 | return 0, err |
| 204 | } |
| 205 | defer resp.Body.Close() |
| 206 | |
| 207 | respBuf, err := ioutil.ReadAll(resp.Body) |
| 208 | if err != nil { |
| 209 | return 0, fmt.Errorf("version: error reading resp.Body,"+ |
| 210 | " nsServerURL: %s, resp: %#v, err: %v", server, resp, err) |
| 211 | } |
| 212 | |
| 213 | rv := &cbgt.NsServerResponse{} |
| 214 | err = json.Unmarshal(respBuf, rv) |
| 215 | if err != nil { |
| 216 | return 0, fmt.Errorf("version: error parsing respBuf: %s,"+ |
| 217 | " server: %s, err: %v", respBuf, server, err) |
| 218 | |
| 219 | } |
| 220 | |
| 221 | return uint64(rv.Nodes[0].ClusterCompatibility), nil |
| 222 | } |