// Copyright 2019 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // Code generated by gapic-generator. DO NOT EDIT. package monitoring import ( "context" "math" "time" "github.com/golang/protobuf/proto" gax "github.com/googleapis/gax-go/v2" "google.golang.org/api/iterator" "google.golang.org/api/option" "google.golang.org/api/transport" metricpb "google.golang.org/genproto/googleapis/api/metric" monitoredrespb "google.golang.org/genproto/googleapis/api/monitoredres" monitoringpb "google.golang.org/genproto/googleapis/monitoring/v3" "google.golang.org/grpc" "google.golang.org/grpc/codes" "google.golang.org/grpc/metadata" ) // MetricCallOptions contains the retry settings for each method of MetricClient. type MetricCallOptions struct { ListMonitoredResourceDescriptors []gax.CallOption GetMonitoredResourceDescriptor []gax.CallOption ListMetricDescriptors []gax.CallOption GetMetricDescriptor []gax.CallOption CreateMetricDescriptor []gax.CallOption DeleteMetricDescriptor []gax.CallOption ListTimeSeries []gax.CallOption CreateTimeSeries []gax.CallOption } func defaultMetricClientOptions() []option.ClientOption { return []option.ClientOption{ option.WithEndpoint("monitoring.googleapis.com:443"), option.WithScopes(DefaultAuthScopes()...), } } func defaultMetricCallOptions() *MetricCallOptions { retry := map[[2]string][]gax.CallOption{ {"default", "idempotent"}: { gax.WithRetry(func() gax.Retryer { return gax.OnCodes([]codes.Code{ codes.DeadlineExceeded, codes.Unavailable, }, gax.Backoff{ Initial: 100 * time.Millisecond, Max: 60000 * time.Millisecond, Multiplier: 1.3, }) }), }, } return &MetricCallOptions{ ListMonitoredResourceDescriptors: retry[[2]string{"default", "idempotent"}], GetMonitoredResourceDescriptor: retry[[2]string{"default", "idempotent"}], ListMetricDescriptors: retry[[2]string{"default", "idempotent"}], GetMetricDescriptor: retry[[2]string{"default", "idempotent"}], CreateMetricDescriptor: retry[[2]string{"default", "non_idempotent"}], DeleteMetricDescriptor: retry[[2]string{"default", "idempotent"}], ListTimeSeries: retry[[2]string{"default", "idempotent"}], CreateTimeSeries: retry[[2]string{"default", "non_idempotent"}], } } // MetricClient is a client for interacting with Stackdriver Monitoring API. // // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. type MetricClient struct { // The connection to the service. conn *grpc.ClientConn // The gRPC API client. metricClient monitoringpb.MetricServiceClient // The call options for this service. CallOptions *MetricCallOptions // The x-goog-* metadata to be sent with each request. xGoogMetadata metadata.MD } // NewMetricClient creates a new metric service client. // // Manages metric descriptors, monitored resource descriptors, and // time series data. func NewMetricClient(ctx context.Context, opts ...option.ClientOption) (*MetricClient, error) { conn, err := transport.DialGRPC(ctx, append(defaultMetricClientOptions(), opts...)...) if err != nil { return nil, err } c := &MetricClient{ conn: conn, CallOptions: defaultMetricCallOptions(), metricClient: monitoringpb.NewMetricServiceClient(conn), } c.setGoogleClientInfo() return c, nil } // Connection returns the client's connection to the API service. func (c *MetricClient) Connection() *grpc.ClientConn { return c.conn } // Close closes the connection to the API service. The user should invoke this when // the client is no longer required. func (c *MetricClient) Close() error { return c.conn.Close() } // setGoogleClientInfo sets the name and version of the application in // the `x-goog-api-client` header passed on each request. Intended for // use by Google-written clients. func (c *MetricClient) setGoogleClientInfo(keyval ...string) { kv := append([]string{"gl-go", versionGo()}, keyval...) kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version) c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) } // ListMonitoredResourceDescriptors lists monitored resource descriptors that match a filter. This method does // not require a Stackdriver account. func (c *MetricClient) ListMonitoredResourceDescriptors(ctx context.Context, req *monitoringpb.ListMonitoredResourceDescriptorsRequest, opts ...gax.CallOption) *MonitoredResourceDescriptorIterator { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.ListMonitoredResourceDescriptors[0:len(c.CallOptions.ListMonitoredResourceDescriptors):len(c.CallOptions.ListMonitoredResourceDescriptors)], opts...) it := &MonitoredResourceDescriptorIterator{} req = proto.Clone(req).(*monitoringpb.ListMonitoredResourceDescriptorsRequest) it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoredrespb.MonitoredResourceDescriptor, string, error) { var resp *monitoringpb.ListMonitoredResourceDescriptorsResponse req.PageToken = pageToken if pageSize > math.MaxInt32 { req.PageSize = math.MaxInt32 } else { req.PageSize = int32(pageSize) } err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.metricClient.ListMonitoredResourceDescriptors(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, "", err } return resp.ResourceDescriptors, resp.NextPageToken, nil } fetch := func(pageSize int, pageToken string) (string, error) { items, nextPageToken, err := it.InternalFetch(pageSize, pageToken) if err != nil { return "", err } it.items = append(it.items, items...) return nextPageToken, nil } it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf) it.pageInfo.MaxSize = int(req.PageSize) return it } // GetMonitoredResourceDescriptor gets a single monitored resource descriptor. This method does not require a // Stackdriver account. func (c *MetricClient) GetMonitoredResourceDescriptor(ctx context.Context, req *monitoringpb.GetMonitoredResourceDescriptorRequest, opts ...gax.CallOption) (*monitoredrespb.MonitoredResourceDescriptor, error) { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.GetMonitoredResourceDescriptor[0:len(c.CallOptions.GetMonitoredResourceDescriptor):len(c.CallOptions.GetMonitoredResourceDescriptor)], opts...) var resp *monitoredrespb.MonitoredResourceDescriptor err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.metricClient.GetMonitoredResourceDescriptor(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, err } return resp, nil } // ListMetricDescriptors lists metric descriptors that match a filter. This method does not require // a Stackdriver account. func (c *MetricClient) ListMetricDescriptors(ctx context.Context, req *monitoringpb.ListMetricDescriptorsRequest, opts ...gax.CallOption) *MetricDescriptorIterator { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.ListMetricDescriptors[0:len(c.CallOptions.ListMetricDescriptors):len(c.CallOptions.ListMetricDescriptors)], opts...) it := &MetricDescriptorIterator{} req = proto.Clone(req).(*monitoringpb.ListMetricDescriptorsRequest) it.InternalFetch = func(pageSize int, pageToken string) ([]*metricpb.MetricDescriptor, string, error) { var resp *monitoringpb.ListMetricDescriptorsResponse req.PageToken = pageToken if pageSize > math.MaxInt32 { req.PageSize = math.MaxInt32 } else { req.PageSize = int32(pageSize) } err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.metricClient.ListMetricDescriptors(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, "", err } return resp.MetricDescriptors, resp.NextPageToken, nil } fetch := func(pageSize int, pageToken string) (string, error) { items, nextPageToken, err := it.InternalFetch(pageSize, pageToken) if err != nil { return "", err } it.items = append(it.items, items...) return nextPageToken, nil } it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf) it.pageInfo.MaxSize = int(req.PageSize) return it } // GetMetricDescriptor gets a single metric descriptor. This method does not require a Stackdriver // account. func (c *MetricClient) GetMetricDescriptor(ctx context.Context, req *monitoringpb.GetMetricDescriptorRequest, opts ...gax.CallOption) (*metricpb.MetricDescriptor, error) { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.GetMetricDescriptor[0:len(c.CallOptions.GetMetricDescriptor):len(c.CallOptions.GetMetricDescriptor)], opts...) var resp *metricpb.MetricDescriptor err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.metricClient.GetMetricDescriptor(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, err } return resp, nil } // CreateMetricDescriptor creates a new metric descriptor. // User-created metric descriptors define // custom metrics (at /monitoring/custom-metrics). func (c *MetricClient) CreateMetricDescriptor(ctx context.Context, req *monitoringpb.CreateMetricDescriptorRequest, opts ...gax.CallOption) (*metricpb.MetricDescriptor, error) { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.CreateMetricDescriptor[0:len(c.CallOptions.CreateMetricDescriptor):len(c.CallOptions.CreateMetricDescriptor)], opts...) var resp *metricpb.MetricDescriptor err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.metricClient.CreateMetricDescriptor(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, err } return resp, nil } // DeleteMetricDescriptor deletes a metric descriptor. Only user-created // custom metrics (at /monitoring/custom-metrics) can be deleted. func (c *MetricClient) DeleteMetricDescriptor(ctx context.Context, req *monitoringpb.DeleteMetricDescriptorRequest, opts ...gax.CallOption) error { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.DeleteMetricDescriptor[0:len(c.CallOptions.DeleteMetricDescriptor):len(c.CallOptions.DeleteMetricDescriptor)], opts...) err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error _, err = c.metricClient.DeleteMetricDescriptor(ctx, req, settings.GRPC...) return err }, opts...) return err } // ListTimeSeries lists time series that match a filter. This method does not require a // Stackdriver account. func (c *MetricClient) ListTimeSeries(ctx context.Context, req *monitoringpb.ListTimeSeriesRequest, opts ...gax.CallOption) *TimeSeriesIterator { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.ListTimeSeries[0:len(c.CallOptions.ListTimeSeries):len(c.CallOptions.ListTimeSeries)], opts...) it := &TimeSeriesIterator{} req = proto.Clone(req).(*monitoringpb.ListTimeSeriesRequest) it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoringpb.TimeSeries, string, error) { var resp *monitoringpb.ListTimeSeriesResponse req.PageToken = pageToken if pageSize > math.MaxInt32 { req.PageSize = math.MaxInt32 } else { req.PageSize = int32(pageSize) } err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.metricClient.ListTimeSeries(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, "", err } return resp.TimeSeries, resp.NextPageToken, nil } fetch := func(pageSize int, pageToken string) (string, error) { items, nextPageToken, err := it.InternalFetch(pageSize, pageToken) if err != nil { return "", err } it.items = append(it.items, items...) return nextPageToken, nil } it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf) it.pageInfo.MaxSize = int(req.PageSize) return it } // CreateTimeSeries creates or adds data to one or more time series. // The response is empty if all time series in the request were written. // If any time series could not be written, a corresponding failure message is // included in the error response. func (c *MetricClient) CreateTimeSeries(ctx context.Context, req *monitoringpb.CreateTimeSeriesRequest, opts ...gax.CallOption) error { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.CreateTimeSeries[0:len(c.CallOptions.CreateTimeSeries):len(c.CallOptions.CreateTimeSeries)], opts...) err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error _, err = c.metricClient.CreateTimeSeries(ctx, req, settings.GRPC...) return err }, opts...) return err } // MetricDescriptorIterator manages a stream of *metricpb.MetricDescriptor. type MetricDescriptorIterator struct { items []*metricpb.MetricDescriptor pageInfo *iterator.PageInfo nextFunc func() error // InternalFetch is for use by the Google Cloud Libraries only. // It is not part of the stable interface of this package. // // InternalFetch returns results from a single call to the underlying RPC. // The number of results is no greater than pageSize. // If there are no more results, nextPageToken is empty and err is nil. InternalFetch func(pageSize int, pageToken string) (results []*metricpb.MetricDescriptor, nextPageToken string, err error) } // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. func (it *MetricDescriptorIterator) PageInfo() *iterator.PageInfo { return it.pageInfo } // Next returns the next result. Its second return value is iterator.Done if there are no more // results. Once Next returns Done, all subsequent calls will return Done. func (it *MetricDescriptorIterator) Next() (*metricpb.MetricDescriptor, error) { var item *metricpb.MetricDescriptor if err := it.nextFunc(); err != nil { return item, err } item = it.items[0] it.items = it.items[1:] return item, nil } func (it *MetricDescriptorIterator) bufLen() int { return len(it.items) } func (it *MetricDescriptorIterator) takeBuf() interface{} { b := it.items it.items = nil return b } // MonitoredResourceDescriptorIterator manages a stream of *monitoredrespb.MonitoredResourceDescriptor. type MonitoredResourceDescriptorIterator struct { items []*monitoredrespb.MonitoredResourceDescriptor pageInfo *iterator.PageInfo nextFunc func() error // InternalFetch is for use by the Google Cloud Libraries only. // It is not part of the stable interface of this package. // // InternalFetch returns results from a single call to the underlying RPC. // The number of results is no greater than pageSize. // If there are no more results, nextPageToken is empty and err is nil. InternalFetch func(pageSize int, pageToken string) (results []*monitoredrespb.MonitoredResourceDescriptor, nextPageToken string, err error) } // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. func (it *MonitoredResourceDescriptorIterator) PageInfo() *iterator.PageInfo { return it.pageInfo } // Next returns the next result. Its second return value is iterator.Done if there are no more // results. Once Next returns Done, all subsequent calls will return Done. func (it *MonitoredResourceDescriptorIterator) Next() (*monitoredrespb.MonitoredResourceDescriptor, error) { var item *monitoredrespb.MonitoredResourceDescriptor if err := it.nextFunc(); err != nil { return item, err } item = it.items[0] it.items = it.items[1:] return item, nil } func (it *MonitoredResourceDescriptorIterator) bufLen() int { return len(it.items) } func (it *MonitoredResourceDescriptorIterator) takeBuf() interface{} { b := it.items it.items = nil return b } // TimeSeriesIterator manages a stream of *monitoringpb.TimeSeries. type TimeSeriesIterator struct { items []*monitoringpb.TimeSeries pageInfo *iterator.PageInfo nextFunc func() error // InternalFetch is for use by the Google Cloud Libraries only. // It is not part of the stable interface of this package. // // InternalFetch returns results from a single call to the underlying RPC. // The number of results is no greater than pageSize. // If there are no more results, nextPageToken is empty and err is nil. InternalFetch func(pageSize int, pageToken string) (results []*monitoringpb.TimeSeries, nextPageToken string, err error) } // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. func (it *TimeSeriesIterator) PageInfo() *iterator.PageInfo { return it.pageInfo } // Next returns the next result. Its second return value is iterator.Done if there are no more // results. Once Next returns Done, all subsequent calls will return Done. func (it *TimeSeriesIterator) Next() (*monitoringpb.TimeSeries, error) { var item *monitoringpb.TimeSeries if err := it.nextFunc(); err != nil { return item, err } item = it.items[0] it.items = it.items[1:] return item, nil } func (it *TimeSeriesIterator) bufLen() int { return len(it.items) } func (it *TimeSeriesIterator) takeBuf() interface{} { b := it.items it.items = nil return b }