Split domain manager "sync all domains" task into separate ones

Each new task corresponds to syncing a particular kind of thing for each
domain, e.g. origins, https certs, etc...

src/domain/manager.rs

@@ -182,12 +182,58 @@ impl ManagerImpl {
             config,
         });
 
+        const SYNC_PERIOD_SECS: u64 = 20 * 60; // 20 minutes
+
         task_stack.push_spawn_periodically(
             manager.clone(),
-            20 * 60,
+            SYNC_PERIOD_SECS,
-            |_canceller, manager| async move { manager.sync_all_domains().await },
+            |_canceller, manager| async move {
+                manager
+                    .sync_origins()
+                    .await
+                    .or_unexpected_while("syncing origins")
+            },
         );
 
+        if manager.can_sync_gemini_cert() {
+            task_stack.push_spawn_periodically(
+                manager.clone(),
+                SYNC_PERIOD_SECS,
+                |_canceller, manager| async move {
+                    manager
+                        .sync_gemini_certs()
+                        .await
+                        .or_unexpected_while("syncing gemini certs")
+                },
+            );
+        }
+
+        if manager.can_sync_https_cert() {
+            task_stack.push_spawn_periodically(
+                manager.clone(),
+                SYNC_PERIOD_SECS,
+                |_canceller, manager| async move {
+                    manager
+                        .sync_https_certs()
+                        .await
+                        .or_unexpected_while("syncing https certs")
+                },
+            );
+        }
+
+        if manager.can_sync_external_cert() {
+            task_stack.push_spawn_periodically(
+                manager.clone(),
+                SYNC_PERIOD_SECS,
+                |_canceller, manager| async move {
+                    manager
+                        .sync_external_certs()
+                        .await
+                        .or_unexpected_while("syncing external certs")
+                },
+            );
+        }
+
         manager
     }
 
@@ -200,12 +246,45 @@ impl ManagerImpl {
         self.origin_store.sync(origin_descr)
     }
 
+    async fn sync_origins(&self) -> unexpected::Result<()> {
+        let domains = self
+            .all_domains()
+            .or_unexpected_while("fetching all domains")?
+            .into_iter();
+
+        for ManagedDomain { domain, .. } in domains {
+            let settings = match self
+                .get_settings(&domain)
+                .map_unexpected_while(|| format!("fetching settings for {domain}"))?
+            {
+                GetSettingsResult::Stored(settings) => settings,
+                GetSettingsResult::Builtin(config) => config.settings,
+                _ => continue,
+            };
+
+            self.sync_domain_origin(&domain, &settings.origin_descr)
+                .map_unexpected_while(|| {
+                    format!(
+                        "syncing origin {:?} for domain {domain}",
+                        &settings.origin_descr,
+                    )
+                })?;
+        }
+
+        Ok(())
+    }
+
+    fn can_sync_gemini_cert(&self) -> bool {
+        self.gemini_store.is_some()
+    }
+
     fn sync_domain_gemini_cert(&self, domain: &domain::Name) -> unexpected::Result<()> {
-        if let Some(ref gemini_store) = self.gemini_store {
+        let gemini_store = self.gemini_store.as_ref().unwrap();
+
         log::info!("Syncing gemini certificate for domain {domain}");
         if gemini_store
             .get_certificate(domain)
-                .or_unexpected()?
+            .or_unexpected_while("checking if cert is already stored")?
             .is_some()
         {
             return Ok(());
@@ -216,83 +295,106 @@ impl ManagerImpl {
         let cert = tls::Certificate::new_self_signed(&pkey, domain)
             .or_unexpected_while("creating self-signed cert")?;
 
-            gemini_store.set_certificate(domain, pkey, cert)?;
+        gemini_store.set_certificate(domain, pkey, cert)
     }
+
+    async fn sync_gemini_certs(&self) -> unexpected::Result<()> {
+        let domains = self
+            .all_domains()
+            .or_unexpected_while("fetching all domains")?
+            .into_iter();
+
+        for ManagedDomain { domain, .. } in domains {
+            match self
+                .get_settings(&domain)
+                .map_unexpected_while(|| format!("fetching settings for {domain}"))?
+            {
+                GetSettingsResult::Stored(_) => (),
+                GetSettingsResult::Builtin(_) => (),
+                _ => continue,
+            };
+
+            self.sync_domain_gemini_cert(&domain)
+                .map_unexpected_while(|| format!("syncing domain {domain}"))?;
+        }
+
         Ok(())
     }
 
+    fn can_sync_https_cert(&self) -> bool {
+        self.acme_manager.is_some()
+    }
+
     async fn sync_domain_https_cert(&self, domain: &domain::Name) -> unexpected::Result<()> {
-        if let Some(ref acme_manager) = self.acme_manager {
         log::info!("Syncing HTTPS certificate for domain {domain}");
-            acme_manager.sync_domain(domain.clone(), None).await?;
+        self.acme_manager
+            .as_ref()
+            .unwrap()
+            .sync_domain(domain.clone(), None)
+            .await
+    }
+
+    async fn sync_https_certs(&self) -> unexpected::Result<()> {
+        let domains = self
+            .all_domains()
+            .or_unexpected_while("fetching all domains")?
+            .into_iter();
+
+        for ManagedDomain { domain, .. } in domains {
+            match self
+                .get_settings(&domain)
+                .map_unexpected_while(|| format!("fetching settings for {domain}"))?
+            {
+                GetSettingsResult::Stored(_) => (),
+                GetSettingsResult::Builtin(_) => (),
+                GetSettingsResult::Proxied(config) => {
+                    if config.https_disabled {
+                        continue;
+                    }
+                }
+                GetSettingsResult::Interface => (),
+                _ => continue,
+            };
+
+            self.sync_domain_https_cert(&domain)
+                .await
+                .map_unexpected_while(|| format!("syncing domain {domain}",))?;
         }
 
         Ok(())
     }
 
+    fn can_sync_external_cert(&self) -> bool {
+        self.acme_manager.is_some()
+    }
+
     async fn sync_external_domain(
         &self,
         domain: &domain::Name,
         config: &domain::ConfigExternalDomain,
     ) -> unexpected::Result<()> {
-        if let Some(ref acme_manager) = self.acme_manager {
         log::info!("Syncing HTTPS certificate for external domain {domain}");
-            acme_manager
+        self.acme_manager
+            .as_ref()
+            .unwrap()
             .sync_domain(domain.clone(), Some(config.clone()))
-                .await?;
+            .await
     }
 
-        Ok(())
+    async fn sync_external_certs(&self) -> unexpected::Result<()> {
-    }
-
-    async fn sync_all_domains(&self) -> unexpected::Result<()> {
         let domains = self
             .all_domains()
             .or_unexpected_while("fetching all domains")?
             .into_iter();
 
         for ManagedDomain { domain, .. } in domains {
-            let (settings, https_cert, gemini_cert) = match self
+            if let GetSettingsResult::External(config) = self
                 .get_settings(&domain)
                 .map_unexpected_while(|| format!("fetching settings for {domain}"))?
             {
-                GetSettingsResult::Stored(settings) => (Some(settings), true, true),
-                GetSettingsResult::Builtin(config) => (Some(config.settings), true, true),
-
-                // A proxied domain never needs gemini certs, since gemini requests will be
-                // transparently proxied to the backing server anyway.
-                GetSettingsResult::Proxied(config) => (None, !config.https_disabled, false),
-
-                GetSettingsResult::Interface => (None, true, false),
-
-                // External domains do their own thing, separate from the rest of this flow.
-                GetSettingsResult::External(config) => {
                 self.sync_external_domain(&domain, &config)
                     .await
-                        .map_unexpected_while(|| format!("syncing external domain {domain}"))?;
+                    .map_unexpected_while(|| format!("syncing external {domain}"))?;
-                    continue;
-                }
-            };
-
-            if let Some(settings) = settings {
-                self.sync_domain_origin(&domain, &settings.origin_descr)
-                    .map_unexpected_while(|| {
-                        format!(
-                            "syncing origin {:?} for domain {domain}",
-                            &settings.origin_descr,
-                        )
-                    })?;
-            }
-
-            if gemini_cert {
-                self.sync_domain_gemini_cert(&domain)
-                    .map_unexpected_while(|| format!("syncing gemini cert for domain {domain}"))?;
-            }
-
-            if https_cert {
-                self.sync_domain_https_cert(&domain)
-                    .await
-                    .map_unexpected_while(|| format!("syncing https cert for domain {domain}",))?;
             }
         }
 
@@ -376,12 +478,16 @@ impl Manager for ManagerImpl {
 
             self.sync_domain_origin(&domain, &settings.origin_descr)?;
 
+            if self.can_sync_gemini_cert() {
                 self.sync_domain_gemini_cert(&domain)
                     .or_unexpected_while("syncing domain gemini cert")?;
+            }
 
+            if self.can_sync_https_cert() {
                 self.sync_domain_https_cert(&domain)
                     .await
                     .or_unexpected_while("syncing domain https cert")?;
+            }
 
             self.domain_store.set(&domain, &settings)?;