github.com/opensearch-project/opensearch-go/v2@v2.3.0/opensearchapi/api.cat.nodes.go (about) 1 // SPDX-License-Identifier: Apache-2.0 2 // 3 // The OpenSearch Contributors require contributions made to 4 // this file be licensed under the Apache-2.0 license or a 5 // compatible open source license. 6 // 7 // Modifications Copyright OpenSearch Contributors. See 8 // GitHub history for details. 9 10 // Licensed to Elasticsearch B.V. under one or more contributor 11 // license agreements. See the NOTICE file distributed with 12 // this work for additional information regarding copyright 13 // ownership. Elasticsearch B.V. licenses this file to you under 14 // the Apache License, Version 2.0 (the "License"); you may 15 // not use this file except in compliance with the License. 16 // You may obtain a copy of the License at 17 // 18 // http://www.apache.org/licenses/LICENSE-2.0 19 // 20 // Unless required by applicable law or agreed to in writing, 21 // software distributed under the License is distributed on an 22 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 23 // KIND, either express or implied. See the License for the 24 // specific language governing permissions and limitations 25 // under the License. 26 27 package opensearchapi 28 29 import ( 30 "context" 31 "net/http" 32 "strconv" 33 "strings" 34 "time" 35 ) 36 37 func newCatNodesFunc(t Transport) CatNodes { 38 return func(o ...func(*CatNodesRequest)) (*Response, error) { 39 var r = CatNodesRequest{} 40 for _, f := range o { 41 f(&r) 42 } 43 return r.Do(r.ctx, t) 44 } 45 } 46 47 // ----- API Definition ------------------------------------------------------- 48 49 // CatNodes returns basic statistics about performance of cluster nodes. 50 // 51 // 52 type CatNodes func(o ...func(*CatNodesRequest)) (*Response, error) 53 54 // CatNodesRequest configures the Cat Nodes API request. 55 // 56 type CatNodesRequest struct { 57 Bytes string 58 Format string 59 FullID *bool 60 H []string 61 Help *bool 62 IncludeUnloadedSegments *bool 63 Local *bool 64 MasterTimeout time.Duration 65 ClusterManagerTimeout time.Duration 66 S []string 67 Time string 68 V *bool 69 70 Pretty bool 71 Human bool 72 ErrorTrace bool 73 FilterPath []string 74 75 Header http.Header 76 77 ctx context.Context 78 } 79 80 // Do executes the request and returns response or error. 81 // 82 func (r CatNodesRequest) Do(ctx context.Context, transport Transport) (*Response, error) { 83 var ( 84 method string 85 path strings.Builder 86 params map[string]string 87 ) 88 89 method = "GET" 90 91 path.Grow(len("/_cat/nodes")) 92 path.WriteString("/_cat/nodes") 93 94 params = make(map[string]string) 95 96 if r.Bytes != "" { 97 params["bytes"] = r.Bytes 98 } 99 100 if r.Format != "" { 101 params["format"] = r.Format 102 } 103 104 if r.FullID != nil { 105 params["full_id"] = strconv.FormatBool(*r.FullID) 106 } 107 108 if len(r.H) > 0 { 109 params["h"] = strings.Join(r.H, ",") 110 } 111 112 if r.Help != nil { 113 params["help"] = strconv.FormatBool(*r.Help) 114 } 115 116 if r.IncludeUnloadedSegments != nil { 117 params["include_unloaded_segments"] = strconv.FormatBool(*r.IncludeUnloadedSegments) 118 } 119 120 if r.Local != nil { 121 params["local"] = strconv.FormatBool(*r.Local) 122 } 123 124 if r.MasterTimeout != 0 { 125 params["master_timeout"] = formatDuration(r.MasterTimeout) 126 } 127 128 if r.ClusterManagerTimeout != 0 { 129 params["cluster_manager_timeout"] = formatDuration(r.ClusterManagerTimeout) 130 } 131 132 if len(r.S) > 0 { 133 params["s"] = strings.Join(r.S, ",") 134 } 135 136 if r.Time != "" { 137 params["time"] = r.Time 138 } 139 140 if r.V != nil { 141 params["v"] = strconv.FormatBool(*r.V) 142 } 143 144 if r.Pretty { 145 params["pretty"] = "true" 146 } 147 148 if r.Human { 149 params["human"] = "true" 150 } 151 152 if r.ErrorTrace { 153 params["error_trace"] = "true" 154 } 155 156 if len(r.FilterPath) > 0 { 157 params["filter_path"] = strings.Join(r.FilterPath, ",") 158 } 159 160 req, err := newRequest(method, path.String(), nil) 161 if err != nil { 162 return nil, err 163 } 164 165 if len(params) > 0 { 166 q := req.URL.Query() 167 for k, v := range params { 168 q.Set(k, v) 169 } 170 req.URL.RawQuery = q.Encode() 171 } 172 173 if len(r.Header) > 0 { 174 if len(req.Header) == 0 { 175 req.Header = r.Header 176 } else { 177 for k, vv := range r.Header { 178 for _, v := range vv { 179 req.Header.Add(k, v) 180 } 181 } 182 } 183 } 184 185 if ctx != nil { 186 req = req.WithContext(ctx) 187 } 188 189 res, err := transport.Perform(req) 190 if err != nil { 191 return nil, err 192 } 193 194 response := Response{ 195 StatusCode: res.StatusCode, 196 Body: res.Body, 197 Header: res.Header, 198 } 199 200 return &response, nil 201 } 202 203 // WithContext sets the request context. 204 // 205 func (f CatNodes) WithContext(v context.Context) func(*CatNodesRequest) { 206 return func(r *CatNodesRequest) { 207 r.ctx = v 208 } 209 } 210 211 // WithBytes - the unit in which to display byte values. 212 // 213 func (f CatNodes) WithBytes(v string) func(*CatNodesRequest) { 214 return func(r *CatNodesRequest) { 215 r.Bytes = v 216 } 217 } 218 219 // WithFormat - a short version of the accept header, e.g. json, yaml. 220 // 221 func (f CatNodes) WithFormat(v string) func(*CatNodesRequest) { 222 return func(r *CatNodesRequest) { 223 r.Format = v 224 } 225 } 226 227 // WithFullID - return the full node ID instead of the shortened version (default: false). 228 // 229 func (f CatNodes) WithFullID(v bool) func(*CatNodesRequest) { 230 return func(r *CatNodesRequest) { 231 r.FullID = &v 232 } 233 } 234 235 // WithH - comma-separated list of column names to display. 236 // 237 func (f CatNodes) WithH(v ...string) func(*CatNodesRequest) { 238 return func(r *CatNodesRequest) { 239 r.H = v 240 } 241 } 242 243 // WithHelp - return help information. 244 // 245 func (f CatNodes) WithHelp(v bool) func(*CatNodesRequest) { 246 return func(r *CatNodesRequest) { 247 r.Help = &v 248 } 249 } 250 251 // WithIncludeUnloadedSegments - if set to true segment stats will include stats for segments that are not currently loaded into memory. 252 // 253 func (f CatNodes) WithIncludeUnloadedSegments(v bool) func(*CatNodesRequest) { 254 return func(r *CatNodesRequest) { 255 r.IncludeUnloadedSegments = &v 256 } 257 } 258 259 // WithLocal - calculate the selected nodes using the local cluster state rather than the state from cluster-manager node (default: false). 260 // 261 func (f CatNodes) WithLocal(v bool) func(*CatNodesRequest) { 262 return func(r *CatNodesRequest) { 263 r.Local = &v 264 } 265 } 266 267 // WithMasterTimeout - explicit operation timeout for connection to cluster-manager node. 268 // 269 // Deprecated: To promote inclusive language, use WithClusterManagerTimeout instead. 270 // 271 func (f CatNodes) WithMasterTimeout(v time.Duration) func(*CatNodesRequest) { 272 return func(r *CatNodesRequest) { 273 r.MasterTimeout = v 274 } 275 } 276 277 // WithClusterManagerTimeout - explicit operation timeout for connection to cluster-manager node. 278 // 279 func (f CatNodes) WithClusterManagerTimeout(v time.Duration) func(*CatNodesRequest) { 280 return func(r *CatNodesRequest) { 281 r.ClusterManagerTimeout = v 282 } 283 } 284 285 // WithS - comma-separated list of column names or column aliases to sort by. 286 // 287 func (f CatNodes) WithS(v ...string) func(*CatNodesRequest) { 288 return func(r *CatNodesRequest) { 289 r.S = v 290 } 291 } 292 293 // WithTime - the unit in which to display time values. 294 // 295 func (f CatNodes) WithTime(v string) func(*CatNodesRequest) { 296 return func(r *CatNodesRequest) { 297 r.Time = v 298 } 299 } 300 301 // WithV - verbose mode. display column headers. 302 // 303 func (f CatNodes) WithV(v bool) func(*CatNodesRequest) { 304 return func(r *CatNodesRequest) { 305 r.V = &v 306 } 307 } 308 309 // WithPretty makes the response body pretty-printed. 310 // 311 func (f CatNodes) WithPretty() func(*CatNodesRequest) { 312 return func(r *CatNodesRequest) { 313 r.Pretty = true 314 } 315 } 316 317 // WithHuman makes statistical values human-readable. 318 // 319 func (f CatNodes) WithHuman() func(*CatNodesRequest) { 320 return func(r *CatNodesRequest) { 321 r.Human = true 322 } 323 } 324 325 // WithErrorTrace includes the stack trace for errors in the response body. 326 // 327 func (f CatNodes) WithErrorTrace() func(*CatNodesRequest) { 328 return func(r *CatNodesRequest) { 329 r.ErrorTrace = true 330 } 331 } 332 333 // WithFilterPath filters the properties of the response body. 334 // 335 func (f CatNodes) WithFilterPath(v ...string) func(*CatNodesRequest) { 336 return func(r *CatNodesRequest) { 337 r.FilterPath = v 338 } 339 } 340 341 // WithHeader adds the headers to the HTTP request. 342 // 343 func (f CatNodes) WithHeader(h map[string]string) func(*CatNodesRequest) { 344 return func(r *CatNodesRequest) { 345 if r.Header == nil { 346 r.Header = make(http.Header) 347 } 348 for k, v := range h { 349 r.Header.Add(k, v) 350 } 351 } 352 } 353 354 // WithOpaqueID adds the X-Opaque-Id header to the HTTP request. 355 // 356 func (f CatNodes) WithOpaqueID(s string) func(*CatNodesRequest) { 357 return func(r *CatNodesRequest) { 358 if r.Header == nil { 359 r.Header = make(http.Header) 360 } 361 r.Header.Set("X-Opaque-Id", s) 362 } 363 }