store more metadata

apps/monitor/src/runner.rs

@@ -106,6 +106,7 @@ pub async fn fetch_and_run(
                     error: Some(format!("timed out after {}ms", timeout_ms)),
                     cert_expiry_days: None,
                     cert_issuer: None,
+                    response_size: None,
                     meta: None,
                     region: Some(region_owned.to_string()),
                     run_id: Some(run_id_owned.clone()),
@@ -271,6 +272,7 @@ async fn run_check(client: &reqwest::Client, monitor: &Monitor, scheduled_at: Op
                 error: query_error,
                 cert_expiry_days,
                 cert_issuer,
+                response_size: Some(body.len()),
                 meta: Some(meta),
                 region: Some(region.to_string()),
                 run_id: Some(run_id.to_string()),

apps/monitor/src/types.rs

@@ -50,6 +50,7 @@ pub struct PingResult {
     pub error:            Option<String>,
     pub cert_expiry_days: Option<i64>,
     pub cert_issuer:      Option<String>,
+    pub response_size:    Option<usize>,
     pub meta:             Option<Value>,
     pub region:           Option<String>,
     pub run_id:           Option<String>,