1// Copyright 2018 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// https://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15// AUTO-GENERATED CODE. DO NOT EDIT. 16 17package monitoring 18 19import ( 20 "context" 21 "math" 22 "time" 23 24 "github.com/golang/protobuf/proto" 25 gax "github.com/googleapis/gax-go" 26 "google.golang.org/api/iterator" 27 "google.golang.org/api/option" 28 "google.golang.org/api/transport" 29 monitoredrespb "google.golang.org/genproto/googleapis/api/monitoredres" 30 monitoringpb "google.golang.org/genproto/googleapis/monitoring/v3" 31 "google.golang.org/grpc" 32 "google.golang.org/grpc/codes" 33 "google.golang.org/grpc/metadata" 34) 35 36// GroupCallOptions contains the retry settings for each method of GroupClient. 37type GroupCallOptions struct { 38 ListGroups []gax.CallOption 39 GetGroup []gax.CallOption 40 CreateGroup []gax.CallOption 41 UpdateGroup []gax.CallOption 42 DeleteGroup []gax.CallOption 43 ListGroupMembers []gax.CallOption 44} 45 46func defaultGroupClientOptions() []option.ClientOption { 47 return []option.ClientOption{ 48 option.WithEndpoint("monitoring.googleapis.com:443"), 49 option.WithScopes(DefaultAuthScopes()...), 50 } 51} 52 53func defaultGroupCallOptions() *GroupCallOptions { 54 retry := map[[2]string][]gax.CallOption{ 55 {"default", "idempotent"}: { 56 gax.WithRetry(func() gax.Retryer { 57 return gax.OnCodes([]codes.Code{ 58 codes.DeadlineExceeded, 59 codes.Unavailable, 60 }, gax.Backoff{ 61 Initial: 100 * time.Millisecond, 62 Max: 60000 * time.Millisecond, 63 Multiplier: 1.3, 64 }) 65 }), 66 }, 67 } 68 return &GroupCallOptions{ 69 ListGroups: retry[[2]string{"default", "idempotent"}], 70 GetGroup: retry[[2]string{"default", "idempotent"}], 71 CreateGroup: retry[[2]string{"default", "non_idempotent"}], 72 UpdateGroup: retry[[2]string{"default", "idempotent"}], 73 DeleteGroup: retry[[2]string{"default", "idempotent"}], 74 ListGroupMembers: retry[[2]string{"default", "idempotent"}], 75 } 76} 77 78// GroupClient is a client for interacting with Stackdriver Monitoring API. 79// 80// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. 81type GroupClient struct { 82 // The connection to the service. 83 conn *grpc.ClientConn 84 85 // The gRPC API client. 86 groupClient monitoringpb.GroupServiceClient 87 88 // The call options for this service. 89 CallOptions *GroupCallOptions 90 91 // The x-goog-* metadata to be sent with each request. 92 xGoogMetadata metadata.MD 93} 94 95// NewGroupClient creates a new group service client. 96// 97// The Group API lets you inspect and manage your 98// groups (at #google.monitoring.v3.Group). 99// 100// A group is a named filter that is used to identify 101// a collection of monitored resources. Groups are typically used to 102// mirror the physical and/or logical topology of the environment. 103// Because group membership is computed dynamically, monitored 104// resources that are started in the future are automatically placed 105// in matching groups. By using a group to name monitored resources in, 106// for example, an alert policy, the target of that alert policy is 107// updated automatically as monitored resources are added and removed 108// from the infrastructure. 109func NewGroupClient(ctx context.Context, opts ...option.ClientOption) (*GroupClient, error) { 110 conn, err := transport.DialGRPC(ctx, append(defaultGroupClientOptions(), opts...)...) 111 if err != nil { 112 return nil, err 113 } 114 c := &GroupClient{ 115 conn: conn, 116 CallOptions: defaultGroupCallOptions(), 117 118 groupClient: monitoringpb.NewGroupServiceClient(conn), 119 } 120 c.setGoogleClientInfo() 121 return c, nil 122} 123 124// Connection returns the client's connection to the API service. 125func (c *GroupClient) Connection() *grpc.ClientConn { 126 return c.conn 127} 128 129// Close closes the connection to the API service. The user should invoke this when 130// the client is no longer required. 131func (c *GroupClient) Close() error { 132 return c.conn.Close() 133} 134 135// setGoogleClientInfo sets the name and version of the application in 136// the `x-goog-api-client` header passed on each request. Intended for 137// use by Google-written clients. 138func (c *GroupClient) setGoogleClientInfo(keyval ...string) { 139 kv := append([]string{"gl-go", versionGo()}, keyval...) 140 kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version) 141 c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) 142} 143 144// ListGroups lists the existing groups. 145func (c *GroupClient) ListGroups(ctx context.Context, req *monitoringpb.ListGroupsRequest, opts ...gax.CallOption) *GroupIterator { 146 ctx = insertMetadata(ctx, c.xGoogMetadata) 147 opts = append(c.CallOptions.ListGroups[0:len(c.CallOptions.ListGroups):len(c.CallOptions.ListGroups)], opts...) 148 it := &GroupIterator{} 149 req = proto.Clone(req).(*monitoringpb.ListGroupsRequest) 150 it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoringpb.Group, string, error) { 151 var resp *monitoringpb.ListGroupsResponse 152 req.PageToken = pageToken 153 if pageSize > math.MaxInt32 { 154 req.PageSize = math.MaxInt32 155 } else { 156 req.PageSize = int32(pageSize) 157 } 158 err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { 159 var err error 160 resp, err = c.groupClient.ListGroups(ctx, req, settings.GRPC...) 161 return err 162 }, opts...) 163 if err != nil { 164 return nil, "", err 165 } 166 return resp.Group, resp.NextPageToken, nil 167 } 168 fetch := func(pageSize int, pageToken string) (string, error) { 169 items, nextPageToken, err := it.InternalFetch(pageSize, pageToken) 170 if err != nil { 171 return "", err 172 } 173 it.items = append(it.items, items...) 174 return nextPageToken, nil 175 } 176 it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf) 177 it.pageInfo.MaxSize = int(req.PageSize) 178 return it 179} 180 181// GetGroup gets a single group. 182func (c *GroupClient) GetGroup(ctx context.Context, req *monitoringpb.GetGroupRequest, opts ...gax.CallOption) (*monitoringpb.Group, error) { 183 ctx = insertMetadata(ctx, c.xGoogMetadata) 184 opts = append(c.CallOptions.GetGroup[0:len(c.CallOptions.GetGroup):len(c.CallOptions.GetGroup)], opts...) 185 var resp *monitoringpb.Group 186 err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { 187 var err error 188 resp, err = c.groupClient.GetGroup(ctx, req, settings.GRPC...) 189 return err 190 }, opts...) 191 if err != nil { 192 return nil, err 193 } 194 return resp, nil 195} 196 197// CreateGroup creates a new group. 198func (c *GroupClient) CreateGroup(ctx context.Context, req *monitoringpb.CreateGroupRequest, opts ...gax.CallOption) (*monitoringpb.Group, error) { 199 ctx = insertMetadata(ctx, c.xGoogMetadata) 200 opts = append(c.CallOptions.CreateGroup[0:len(c.CallOptions.CreateGroup):len(c.CallOptions.CreateGroup)], opts...) 201 var resp *monitoringpb.Group 202 err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { 203 var err error 204 resp, err = c.groupClient.CreateGroup(ctx, req, settings.GRPC...) 205 return err 206 }, opts...) 207 if err != nil { 208 return nil, err 209 } 210 return resp, nil 211} 212 213// UpdateGroup updates an existing group. 214// You can change any group attributes except name. 215func (c *GroupClient) UpdateGroup(ctx context.Context, req *monitoringpb.UpdateGroupRequest, opts ...gax.CallOption) (*monitoringpb.Group, error) { 216 ctx = insertMetadata(ctx, c.xGoogMetadata) 217 opts = append(c.CallOptions.UpdateGroup[0:len(c.CallOptions.UpdateGroup):len(c.CallOptions.UpdateGroup)], opts...) 218 var resp *monitoringpb.Group 219 err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { 220 var err error 221 resp, err = c.groupClient.UpdateGroup(ctx, req, settings.GRPC...) 222 return err 223 }, opts...) 224 if err != nil { 225 return nil, err 226 } 227 return resp, nil 228} 229 230// DeleteGroup deletes an existing group. 231func (c *GroupClient) DeleteGroup(ctx context.Context, req *monitoringpb.DeleteGroupRequest, opts ...gax.CallOption) error { 232 ctx = insertMetadata(ctx, c.xGoogMetadata) 233 opts = append(c.CallOptions.DeleteGroup[0:len(c.CallOptions.DeleteGroup):len(c.CallOptions.DeleteGroup)], opts...) 234 err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { 235 var err error 236 _, err = c.groupClient.DeleteGroup(ctx, req, settings.GRPC...) 237 return err 238 }, opts...) 239 return err 240} 241 242// ListGroupMembers lists the monitored resources that are members of a group. 243func (c *GroupClient) ListGroupMembers(ctx context.Context, req *monitoringpb.ListGroupMembersRequest, opts ...gax.CallOption) *MonitoredResourceIterator { 244 ctx = insertMetadata(ctx, c.xGoogMetadata) 245 opts = append(c.CallOptions.ListGroupMembers[0:len(c.CallOptions.ListGroupMembers):len(c.CallOptions.ListGroupMembers)], opts...) 246 it := &MonitoredResourceIterator{} 247 req = proto.Clone(req).(*monitoringpb.ListGroupMembersRequest) 248 it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoredrespb.MonitoredResource, string, error) { 249 var resp *monitoringpb.ListGroupMembersResponse 250 req.PageToken = pageToken 251 if pageSize > math.MaxInt32 { 252 req.PageSize = math.MaxInt32 253 } else { 254 req.PageSize = int32(pageSize) 255 } 256 err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { 257 var err error 258 resp, err = c.groupClient.ListGroupMembers(ctx, req, settings.GRPC...) 259 return err 260 }, opts...) 261 if err != nil { 262 return nil, "", err 263 } 264 return resp.Members, resp.NextPageToken, nil 265 } 266 fetch := func(pageSize int, pageToken string) (string, error) { 267 items, nextPageToken, err := it.InternalFetch(pageSize, pageToken) 268 if err != nil { 269 return "", err 270 } 271 it.items = append(it.items, items...) 272 return nextPageToken, nil 273 } 274 it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf) 275 it.pageInfo.MaxSize = int(req.PageSize) 276 return it 277} 278 279// GroupIterator manages a stream of *monitoringpb.Group. 280type GroupIterator struct { 281 items []*monitoringpb.Group 282 pageInfo *iterator.PageInfo 283 nextFunc func() error 284 285 // InternalFetch is for use by the Google Cloud Libraries only. 286 // It is not part of the stable interface of this package. 287 // 288 // InternalFetch returns results from a single call to the underlying RPC. 289 // The number of results is no greater than pageSize. 290 // If there are no more results, nextPageToken is empty and err is nil. 291 InternalFetch func(pageSize int, pageToken string) (results []*monitoringpb.Group, nextPageToken string, err error) 292} 293 294// PageInfo supports pagination. See the google.golang.org/api/iterator package for details. 295func (it *GroupIterator) PageInfo() *iterator.PageInfo { 296 return it.pageInfo 297} 298 299// Next returns the next result. Its second return value is iterator.Done if there are no more 300// results. Once Next returns Done, all subsequent calls will return Done. 301func (it *GroupIterator) Next() (*monitoringpb.Group, error) { 302 var item *monitoringpb.Group 303 if err := it.nextFunc(); err != nil { 304 return item, err 305 } 306 item = it.items[0] 307 it.items = it.items[1:] 308 return item, nil 309} 310 311func (it *GroupIterator) bufLen() int { 312 return len(it.items) 313} 314 315func (it *GroupIterator) takeBuf() interface{} { 316 b := it.items 317 it.items = nil 318 return b 319} 320 321// MonitoredResourceIterator manages a stream of *monitoredrespb.MonitoredResource. 322type MonitoredResourceIterator struct { 323 items []*monitoredrespb.MonitoredResource 324 pageInfo *iterator.PageInfo 325 nextFunc func() error 326 327 // InternalFetch is for use by the Google Cloud Libraries only. 328 // It is not part of the stable interface of this package. 329 // 330 // InternalFetch returns results from a single call to the underlying RPC. 331 // The number of results is no greater than pageSize. 332 // If there are no more results, nextPageToken is empty and err is nil. 333 InternalFetch func(pageSize int, pageToken string) (results []*monitoredrespb.MonitoredResource, nextPageToken string, err error) 334} 335 336// PageInfo supports pagination. See the google.golang.org/api/iterator package for details. 337func (it *MonitoredResourceIterator) PageInfo() *iterator.PageInfo { 338 return it.pageInfo 339} 340 341// Next returns the next result. Its second return value is iterator.Done if there are no more 342// results. Once Next returns Done, all subsequent calls will return Done. 343func (it *MonitoredResourceIterator) Next() (*monitoredrespb.MonitoredResource, error) { 344 var item *monitoredrespb.MonitoredResource 345 if err := it.nextFunc(); err != nil { 346 return item, err 347 } 348 item = it.items[0] 349 it.items = it.items[1:] 350 return item, nil 351} 352 353func (it *MonitoredResourceIterator) bufLen() int { 354 return len(it.items) 355} 356 357func (it *MonitoredResourceIterator) takeBuf() interface{} { 358 b := it.items 359 it.items = nil 360 return b 361} 362