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fix: fix metadata forward compatibility issue (#4846)

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This commit is contained in:
Weny Xu
2024-10-18 14:26:41 +08:00
committed by GitHub
parent 2e0e82ddc8
commit 74bdba4613
1 changed files with 68 additions and 0 deletions
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68
src/common/meta/src/rpc/router.rs
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@@ -289,6 +289,7 @@ pub enum LeaderState {
///
/// - The [`Region`] may be unavailable (e.g., Crashed, Network disconnected).
/// - The [`Region`] was planned to migrate to another [`Peer`].
#[serde(alias = "Downgraded")]
Downgrading,
}
@@ -516,6 +517,73 @@ mod tests {
assert_eq!(decoded, region_route);
}
#[test]
fn test_region_route_compatibility() {
let region_route = RegionRoute {
region: Region {
id: 2.into(),
name: "r2".to_string(),
partition: None,
attrs: BTreeMap::new(),
},
leader_peer: Some(Peer::new(1, "a1")),
follower_peers: vec![Peer::new(2, "a2"), Peer::new(3, "a3")],
leader_state: Some(LeaderState::Downgrading),
leader_down_since: None,
};
let input = r#"{"region":{"id":2,"name":"r2","partition":null,"attrs":{}},"leader_peer":{"id":1,"addr":"a1"},"follower_peers":[{"id":2,"addr":"a2"},{"id":3,"addr":"a3"}],"leader_state":"Downgraded","leader_down_since":null}"#;
let decoded: RegionRoute = serde_json::from_str(input).unwrap();
assert_eq!(decoded, region_route);
let region_route = RegionRoute {
region: Region {
id: 2.into(),
name: "r2".to_string(),
partition: None,
attrs: BTreeMap::new(),
},
leader_peer: Some(Peer::new(1, "a1")),
follower_peers: vec![Peer::new(2, "a2"), Peer::new(3, "a3")],
leader_state: Some(LeaderState::Downgrading),
leader_down_since: None,
};
let input = r#"{"region":{"id":2,"name":"r2","partition":null,"attrs":{}},"leader_peer":{"id":1,"addr":"a1"},"follower_peers":[{"id":2,"addr":"a2"},{"id":3,"addr":"a3"}],"leader_status":"Downgraded","leader_down_since":null}"#;
let decoded: RegionRoute = serde_json::from_str(input).unwrap();
assert_eq!(decoded, region_route);
let region_route = RegionRoute {
region: Region {
id: 2.into(),
name: "r2".to_string(),
partition: None,
attrs: BTreeMap::new(),
},
leader_peer: Some(Peer::new(1, "a1")),
follower_peers: vec![Peer::new(2, "a2"), Peer::new(3, "a3")],
leader_state: Some(LeaderState::Downgrading),
leader_down_since: None,
};
let input = r#"{"region":{"id":2,"name":"r2","partition":null,"attrs":{}},"leader_peer":{"id":1,"addr":"a1"},"follower_peers":[{"id":2,"addr":"a2"},{"id":3,"addr":"a3"}],"leader_state":"Downgrading","leader_down_since":null}"#;
let decoded: RegionRoute = serde_json::from_str(input).unwrap();
assert_eq!(decoded, region_route);
let region_route = RegionRoute {
region: Region {
id: 2.into(),
name: "r2".to_string(),
partition: None,
attrs: BTreeMap::new(),
},
leader_peer: Some(Peer::new(1, "a1")),
follower_peers: vec![Peer::new(2, "a2"), Peer::new(3, "a3")],
leader_state: Some(LeaderState::Downgrading),
leader_down_since: None,
};
let input = r#"{"region":{"id":2,"name":"r2","partition":null,"attrs":{}},"leader_peer":{"id":1,"addr":"a1"},"follower_peers":[{"id":2,"addr":"a2"},{"id":3,"addr":"a3"}],"leader_status":"Downgrading","leader_down_since":null}"#;
let decoded: RegionRoute = serde_json::from_str(input).unwrap();
assert_eq!(decoded, region_route);
}
#[test]
fn test_de_serialize_partition() {
let p = Partition {