fix policy_db_get

iam/src/manager.rs

@@ -606,11 +606,17 @@ where
 
             if !policy_present {
                 let mut m = HashMap::new();
-                self.api.load_mapped_policy(name, UserType::Reg, true, &mut m).await?;
+                if let Err(err) = self.api.load_mapped_policy(name, UserType::Reg, true, &mut m).await {
+                    if !is_err_no_such_policy(&err) {
+                        return Err(err);
+                    }
+                }
                 if let Some(p) = m.get(name) {
                     Cache::add_or_update(&self.cache.group_policies, name, p, OffsetDateTime::now_utc());
                     return Ok((p.to_slice(), p.update_at));
                 }
+
+                return Ok((Vec::new(), OffsetDateTime::now_utc()));
             }
 
             return Ok((Vec::new(), OffsetDateTime::now_utc()));

madmin/src/group.rs

@@ -2,14 +2,15 @@ use serde::Deserialize;
 use serde::Serialize;
 use time::OffsetDateTime;
 
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 #[serde(rename_all = "lowercase")]
 pub enum GroupStatus {
+    #[default]
     Enabled,
     Disabled,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 pub struct GroupAddRemove {
     pub group: String,
     pub members: Vec<String>,
@@ -19,7 +20,7 @@ pub struct GroupAddRemove {
     pub is_remove: bool,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 pub struct GroupDesc {
     pub name: String,
     pub status: String,