use std::collections::HashMap; use std::net::SocketAddr; use std::sync::Arc; use serde::Serialize; use hyper::{Body, Response, StatusCode}; use garage_rpc::layout::*; use garage_util::error::Error as GarageError; use garage_model::garage::Garage; use crate::error::*; pub async fn handle_get_cluster_status(garage: &Arc) -> Result, Error> { let res = GetClusterStatusResponse { known_nodes: garage .system .get_known_nodes() .into_iter() .map(|i| { ( hex::encode(i.id), KnownNodeResp { addr: i.addr, is_up: i.is_up, last_seen_secs_ago: i.last_seen_secs_ago, hostname: i.status.hostname, }, ) }) .collect(), layout: get_cluster_layout(garage), }; let resp_json = serde_json::to_string_pretty(&res).map_err(GarageError::from)?; Ok(Response::builder() .status(StatusCode::OK) .body(Body::from(resp_json))?) } pub async fn handle_get_cluster_layout(garage: &Arc) -> Result, Error> { let res = get_cluster_layout(garage); let resp_json = serde_json::to_string_pretty(&res).map_err(GarageError::from)?; Ok(Response::builder() .status(StatusCode::OK) .body(Body::from(resp_json))?) } fn get_cluster_layout(garage: &Arc) -> GetClusterLayoutResponse { let layout = garage.system.get_cluster_layout(); GetClusterLayoutResponse { version: layout.version, roles: layout .roles .items() .iter() .filter(|(_, _, v)| v.0.is_some()) .map(|(k, _, v)| (hex::encode(k), v.0.clone())) .collect(), staged_role_changes: layout .staging .items() .iter() .filter(|(k, _, v)| layout.roles.get(k) != Some(v)) .map(|(k, _, v)| (hex::encode(k), v.0.clone())) .collect(), } } #[derive(Serialize)] struct GetClusterStatusResponse { #[serde(rename = "knownNodes")] known_nodes: HashMap, layout: GetClusterLayoutResponse, } #[derive(Serialize)] struct GetClusterLayoutResponse { version: u64, roles: HashMap>, #[serde(rename = "stagedRoleChanges")] staged_role_changes: HashMap>, } #[derive(Serialize)] struct KnownNodeResp { addr: SocketAddr, is_up: bool, last_seen_secs_ago: Option, hostname: String, }