feat(spans): tag user.geo.subregion on mobile spans (#3927)

Work toward getsentry/sentry#75230
This PR allows mobile spans to be filtered down by subregion too.

Anywhere we tag `device.class`, we also should also tag
`user.geo.subregion` for this to work

CHANGELOG.md

@@ -24,6 +24,7 @@
 - Extract client sdk from transaction into profiles. ([#3915](https://github.com/getsentry/relay/pull/3915))
 - Extract `user.geo.subregion` into span metrics/indexed. ([#3914](https://github.com/getsentry/relay/pull/3914))
 - Add `last_peek` field to the `Priority` struct. ([#3922](https://github.com/getsentry/relay/pull/3922))
+- Extract `user.geo.subregion` for mobile spans. ([#3927](https://github.com/getsentry/relay/pull/3927))
 
 ## 24.7.1
 

relay-dynamic-config/src/defaults.rs

@@ -471,6 +471,9 @@ pub fn hardcoded_span_metrics() -> Vec<(GroupKey, Vec<MetricSpec>, Vec<TagMappin
  Tag::with_key("span.group")
  .from_field("span.sentry_tags.group")
  .always(),
+ Tag::with_key("user.geo.subregion")
+ .from_field("span.sentry_tags.user.geo.subregion")
+ .always(),
  Tag::with_key("device.class")
  .from_field("span.sentry_tags.device.class")
  .always(),
@@ -506,6 +509,9 @@ pub fn hardcoded_span_metrics() -> Vec<(GroupKey, Vec<MetricSpec>, Vec<TagMappin
  Tag::with_key("span.group")
  .from_field("span.sentry_tags.group")
  .always(),
+ Tag::with_key("user.geo.subregion")
+ .from_field("span.sentry_tags.user.geo.subregion")
+ .always(),
  Tag::with_key("device.class")
  .from_field("span.sentry_tags.device.class")
  .always(),
@@ -541,6 +547,9 @@ pub fn hardcoded_span_metrics() -> Vec<(GroupKey, Vec<MetricSpec>, Vec<TagMappin
  Tag::with_key("span.group")
  .from_field("span.sentry_tags.group")
  .always(),
+ Tag::with_key("user.geo.subregion")
+ .from_field("span.sentry_tags.user.geo.subregion")
+ .always(),
  Tag::with_key("device.class")
  .from_field("span.sentry_tags.device.class")
  .always(),
@@ -576,6 +585,9 @@ pub fn hardcoded_span_metrics() -> Vec<(GroupKey, Vec<MetricSpec>, Vec<TagMappin
  Tag::with_key("span.group")
  .from_field("span.sentry_tags.group")
  .always(),
+ Tag::with_key("user.geo.subregion")
+ .from_field("span.sentry_tags.user.geo.subregion")
+ .always(),
  Tag::with_key("device.class")
  .from_field("span.sentry_tags.device.class")
  .always(),

relay-server/src/metrics_extraction/event.rs

@@ -1236,6 +1236,15 @@ mod tests {
  const MOBILE_EVENT: &str = r#"
  {
  "type": "transaction",
+ "user": {
+ "id": "user123",
+ "geo": {
+ "country_code": "US",
+ "city": "Washington",
+ "subdivision": "Virginia",
+ "region": "United States"
+ }
+ },
  "sdk": {"name": "sentry.javascript.react-native"},
  "start_timestamp": "2021-04-26T07:59:01+0100",
  "timestamp": "2021-04-26T08:00:00+0100",