cave/activitypub/send: remove histogram instrumentation

cave/src/activitypub/mod.rs

@@ -112,7 +112,16 @@ impl Post {
                 url: actor.url.unwrap_or(actor.id),
                 bot: actor.actor_type != "Person",
             },
-            tags: self.tag,
+            tags: self.tag.into_iter().filter_map(|mut tag| {
+                while tag.name.chars().next() == Some('#') {
+                    tag.name.remove(0);
+                }
+                if tag.name.len() > 0 {
+                    Some(tag)
+                } else {
+                    None
+                }
+            }).collect(),
             sensitive: self.sensitive,
             mentions: vec![],
             language,

cave/src/activitypub/send.rs

@@ -1,9 +1,8 @@
 use std::{
     sync::Arc,
-    time::{Instant, SystemTime},
+    time::SystemTime,
 };
 use http::StatusCode;
-use metrics::histogram;
 use serde::Serialize;
 use sigh::{PrivateKey, SigningConfig, alg::RsaSha256};
 use super::{digest, error::Error};
@@ -43,20 +42,14 @@ pub async fn send_raw(
         .header("digest", digest_header)
         .body(body.as_ref().clone())
         .map_err(Error::HttpReq)?;
-    let t1 = Instant::now();
     SigningConfig::new(RsaSha256, private_key, key_id)
         .sign(&mut req)?;
-    let t2 = Instant::now();
     let req: reqwest::Request = req.try_into()?;
     let res = client.execute(req)
         .await?;
-    let t3 = Instant::now();
-    histogram!("relay_http_request_duration", t2 - t1);
     if res.status() >= StatusCode::OK && res.status() < StatusCode::MULTIPLE_CHOICES {
-        histogram!("relay_http_response_duration", t3 - t2, "res" => "ok", "host" => host);
         Ok(())
     } else {
-        histogram!("relay_http_response_duration", t3 - t2, "res" => "err", "host" => host);
         tracing::error!("send_raw {} response HTTP {}", url, res.status());
         let response = res.text().await?;
         Err(Error::Response(response))