server: notifications: send prune notifications via notification system

If the `notification-mode` parameter is set to `legacy-sendmail`, then
we still use the new infrastructure, but don't consider the
notification config and use a hard-coded sendmail endpoint directly.

Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
Tested-by: Gabriel Goller <g.goller@proxmox.com>
Reviewed-by: Gabriel Goller <g.goller@proxmox.com>
Tested-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

debian/proxmox-backup-server.install

@@ -45,6 +45,10 @@ usr/share/proxmox-backup/templates/default/gc-err-body.txt.hbs
 usr/share/proxmox-backup/templates/default/gc-ok-body.txt.hbs
 usr/share/proxmox-backup/templates/default/gc-err-subject.txt.hbs
 usr/share/proxmox-backup/templates/default/gc-ok-subject.txt.hbs
+usr/share/proxmox-backup/templates/default/prune-err-body.txt.hbs
+usr/share/proxmox-backup/templates/default/prune-ok-body.txt.hbs
+usr/share/proxmox-backup/templates/default/prune-err-subject.txt.hbs
+usr/share/proxmox-backup/templates/default/prune-ok-subject.txt.hbs
 usr/share/proxmox-backup/templates/default/test-body.txt.hbs
 usr/share/proxmox-backup/templates/default/test-body.html.hbs
 usr/share/proxmox-backup/templates/default/test-subject.txt.hbs

src/server/notifications.rs

@@ -87,34 +87,6 @@ Local Source Store: {{job.remote-store}}
 Synchronization failed: {{error}}
 
 
-Please visit the web interface for further details:
-
-<https://{{fqdn}}:{{port}}/#pbsServerAdministration:tasks>
-
-"###;
-
-const PRUNE_OK_TEMPLATE: &str = r###"
-
-Job ID:       {{jobname}}
-Datastore:    {{store}}
-
-Pruning successful.
-
-
-Please visit the web interface for further details:
-
-<https://{{fqdn}}:{{port}}/#DataStore-{{store}}>
-
-"###;
-
-const PRUNE_ERR_TEMPLATE: &str = r###"
-
-Job ID:       {{jobname}}
-Datastore:    {{store}}
-
-Pruning failed: {{error}}
-
-
 Please visit the web interface for further details:
 
 <https://{{fqdn}}:{{port}}/#pbsServerAdministration:tasks>
@@ -223,9 +195,6 @@ lazy_static::lazy_static! {
             hb.register_template_string("sync_ok_template", SYNC_OK_TEMPLATE)?;
             hb.register_template_string("sync_err_template", SYNC_ERR_TEMPLATE)?;
 
-            hb.register_template_string("prune_ok_template", PRUNE_OK_TEMPLATE)?;
-            hb.register_template_string("prune_err_template", PRUNE_ERR_TEMPLATE)?;
-
             hb.register_template_string("tape_backup_ok_template", TAPE_BACKUP_OK_TEMPLATE)?;
             hb.register_template_string("tape_backup_err_template", TAPE_BACKUP_ERR_TEMPLATE)?;
 
@@ -501,16 +470,6 @@ pub fn send_prune_status(
     jobname: &str,
     result: &Result<(), Error>,
 ) -> Result<(), Error> {
-    let (email, notify) = match lookup_datastore_notify_settings(store) {
-        (Some(email), notify, _) => (email, notify),
-        (None, _, _) => return Ok(()),
-    };
-
-    let notify_prune = notify.prune.unwrap_or(Notify::Error);
-    if notify_prune == Notify::Never || (result.is_ok() && notify_prune == Notify::Error) {
-        return Ok(());
-    }
-
     let (fqdn, port) = get_server_url();
     let mut data = json!({
         "jobname": jobname,
@@ -519,20 +478,40 @@ pub fn send_prune_status(
         "port": port,
     });
 
-    let text = match result {
+    let (template, severity) = match result {
-        Ok(()) => HANDLEBARS.render("prune_ok_template", &data)?,
+        Ok(()) => ("prune-ok", Severity::Info),
         Err(err) => {
             data["error"] = err.to_string().into();
-            HANDLEBARS.render("prune_err_template", &data)?
+            ("prune-err", Severity::Error)
         }
     };
 
-    let subject = match result {
+    let metadata = HashMap::from([
-        Ok(()) => format!("Pruning datastore '{store}' successful"),
+        ("job-id".into(), jobname.to_string()),
-        Err(_) => format!("Pruning datastore '{store}' failed"),
+        ("datastore".into(), store.into()),
-    };
+        ("hostname".into(), proxmox_sys::nodename().into()),
+        ("type".into(), "prune".into()),
+    ]);
 
-    send_job_status_mail(&email, &subject, &text)?;
+    let notification = Notification::from_template(severity, template, data, metadata);
+
+    let (email, notify, mode) = lookup_datastore_notify_settings(store);
+    match mode {
+        NotificationMode::LegacySendmail => {
+            let notify = notify.prune.unwrap_or(Notify::Error);
+
+            if notify == Notify::Never || (result.is_ok() && notify == Notify::Error) {
+                return Ok(());
+            }
+
+            if let Some(email) = email {
+                send_sendmail_legacy_notification(notification, &email)?;
+            }
+        }
+        NotificationMode::NotificationSystem => {
+            send_notification(notification)?;
+        }
+    }
 
     Ok(())
 }

templates/Makefile

@@ -5,6 +5,10 @@ NOTIFICATION_TEMPLATES=					\
 	default/gc-ok-body.txt.hbs			\
 	default/gc-err-subject.txt.hbs		\
 	default/gc-ok-subject.txt.hbs		\
+	default/prune-err-body.txt.hbs			\
+	default/prune-ok-body.txt.hbs			\
+	default/prune-err-subject.txt.hbs		\
+	default/prune-ok-subject.txt.hbs		\
 	default/test-body.txt.hbs			\
 	default/test-body.html.hbs			\
 	default/test-subject.txt.hbs		\

templates/default/prune-err-body.txt.hbs

@@ -0,0 +1,10 @@
+
+Job ID:       {{jobname}}
+Datastore:    {{store}}
+
+Pruning failed: {{error}}
+
+
+Please visit the web interface for further details:
+
+<https://{{fqdn}}:{{port}}/#pbsServerAdministration:tasks>

templates/default/prune-err-subject.txt.hbs

@@ -0,0 +1 @@
+Pruning datastore '{{ store }}' failed

templates/default/prune-ok-body.txt.hbs

@@ -0,0 +1,10 @@
+
+Job ID:       {{jobname}}
+Datastore:    {{store}}
+
+Pruning successful.
+
+
+Please visit the web interface for further details:
+
+<https://{{fqdn}}:{{port}}/#DataStore-{{store}}>

templates/default/prune-ok-subject.txt.hbs

@@ -0,0 +1 @@
+Pruning datastore '{{ store }}' successful