[receiver/googlecloudspannerreceiver] Rename metadata.yaml to metrics…

….yaml (#24011) **Description:** While working on #23375, the test looks for all `metadata.yaml` files in the receiver folder. This `metadata.yaml` file is not the one that is used for [mdatagen](https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/cmd/mdatagen). I could use an allowlist to ignore this specific `metadata.yaml`, but it doesn't seem necessary for it to have the `metadata.yaml` name, so I am proposing renaming it to `metrics.yaml`. Co-authored-by: Yang Song <[email protected]>
open-telemetry · Jul 18, 2023 · 7ceba4e · 7ceba4e
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diff --git a/receiver/googlecloudspannerreceiver/cardinality.md b/receiver/googlecloudspannerreceiver/cardinality.md
@@ -13,7 +13,7 @@ This means that the number of streams that can be sent by OpenTelemetry collecto
 For simplicity purpose and for explaining of calculation, which is currently done in implementation, lets assume that we have 1 project, 1 instance and 1 database.
 Such calculations are done when the collector starts. If the cardinality total limit is different(for calculations below we assume it is 200,000) the numbers will be different.
 
-According to the metrics [metadata configuration](internal/metadataconfig/metadata.yaml)(at the moment of writing this document) we have:
+According to the metrics [metadata configuration](internal/metadataconfig/metrics.yaml)(at the moment of writing this document) we have:
 - 30 low cardinality metrics(amount of total N + active queries summary metrics);
 - 26 high cardinality metrics(amount of top N metrics).
 

diff --git a/receiver/googlecloudspannerreceiver/internal/metadataconfig/metadata_yaml_test.go b/receiver/googlecloudspannerreceiver/internal/metadataconfig/metadata_yaml_test.go
@@ -12,9 +12,9 @@ import (
  "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/googlecloudspannerreceiver/internal/metadataparser"
 )
 
-// Kind of sanity check test of metadata.yaml used for production usage
+// Kind of sanity check test of metrics.yaml used for production usage
 func TestParsingMetadataYaml(t *testing.T) {
- content, err := os.ReadFile("metadata.yaml")
+ content, err := os.ReadFile("metrics.yaml")
 
  require.NoError(t, err)
 

diff --git a/...ver/internal/metadataconfig/metadata.yaml → ...iver/internal/metadataconfig/metrics.yaml b/...ver/internal/metadataconfig/metadata.yaml → ...iver/internal/metadataconfig/metrics.yaml
diff --git a/receiver/googlecloudspannerreceiver/receiver.go b/receiver/googlecloudspannerreceiver/receiver.go
@@ -20,7 +20,7 @@ import (
  "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/googlecloudspannerreceiver/internal/statsreader"
 )
 
-//go:embed "internal/metadataconfig/metadata.yaml"
+//go:embed "internal/metadataconfig/metrics.yaml"
 var metadataYaml []byte
 
 var _ receiver.Metrics = (*googleCloudSpannerReceiver)(nil)