// NewMetricsClient creates a new metrics service client.
//
// Service for configuring logs-based metrics.
func NewMetricsClient(ctx context.Context, opts ...option.ClientOption) (*MetricsClient, error) {
conn, err := transport.DialGRPC(ctx, append(defaultMetricsClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &MetricsClient{
conn: conn,
client: loggingpb.NewMetricsServiceV2Client(conn),
CallOptions: defaultMetricsCallOptions(),
}
c.SetGoogleClientInfo("gax", gax.Version)
return c, nil
}
func (it *MetricIterator) fetch(pageSize int, pageToken string) (string, error) {
// TODO(jba): Do this a nicer way if the generated code supports one.
// TODO(jba): If the above TODO can't be done, find a way to pass metadata in the call.
client := logpb.NewMetricsServiceV2Client(it.client.Connection())
var res *logpb.ListLogMetricsResponse
err := gax.Invoke(it.ctx, func(ctx context.Context) error {
it.req.PageSize = trunc32(pageSize)
it.req.PageToken = pageToken
var err error
res, err = client.ListLogMetrics(ctx, it.req)
return err
}, it.client.CallOptions.ListLogMetrics...)
if err != nil {
return "", err
}
for _, sp := range res.Metrics {
it.items = append(it.items, fromLogMetric(sp))
}
return res.NextPageToken, nil
}