feat: compile time fips mode and no more fallback for gov

Author: apiarian-datadog

bottlecap/Cargo.lock

@@ -73,6 +73,16 @@ use tokio_util::sync::CancellationToken;
 use tracing::{debug, error};
 use tracing_subscriber::EnvFilter;
 
+#[cfg(feature = "fips")]
+fn log_fips_status() {
+    debug!("FIPS mode is enabled");
+}
+
+#[cfg(not(feature = "fips"))]
+fn log_fips_status() {
+    debug!("FIPS mode is disabled");
+}
+
 #[derive(Clone, Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct RegisterResponse {
@@ -189,6 +199,7 @@ async fn main() -> Result<()> {
     let (mut aws_config, config) = load_configs(start_time);
 
     enable_logging_subsystem(&config);
+    log_fips_status();
     let version_without_next = EXTENSION_VERSION.split('-').next().unwrap_or("NA");
     debug!("Starting Datadog Extension {version_without_next}");
     let client = Client::builder().no_proxy().build().map_err(|e| {

bottlecap/src/bin/bottlecap/main.rs

@@ -252,12 +252,6 @@ fn fallback(figment: &Figment, yaml_figment: &Figment, region: &str) -> Result<(
         return Err(ConfigError::UnsupportedField("otel".to_string()));
     }
 
-    // Govcloud Regions
-    if region.starts_with("us-gov-") {
-        log_fallback_reason("gov_region");
-        return Err(ConfigError::UnsupportedField("gov_region".to_string()));
-    }
-
     Ok(())
 }
 
@@ -435,16 +429,6 @@ pub mod tests {
             Ok(())
         });
     }
-    #[test]
-    fn test_reject_on_gov_region() {
-        let mock_gov_region = "us-gov-east-1";
-        let config =
-            get_config(Path::new(""), mock_gov_region).expect_err("should reject unknown fields");
-        assert_eq!(
-            config,
-            ConfigError::UnsupportedField("gov_region".to_string())
-        );
-    }
 
     #[test]
     fn test_fallback_on_otel() {