wip(inventory-agent): local presence advertisement and discovery using mdns almost working

harmony/Cargo.toml

@@ -67,7 +67,8 @@ bollard.workspace = true
 tar.workspace = true
 base64.workspace = true
 once_cell = "1.21.3"
-harmony-secret-derive = { version = "0.1.0", path = "../harmony_secret_derive" }
+harmony-secret-derive = { path = "../harmony_secret_derive" }
+harmony_inventory_agent = { path = "../harmony_inventory_agent" }
 
 [dev-dependencies]
 pretty_assertions.workspace = true

harmony/src/domain/interpret/mod.rs

@@ -32,6 +32,7 @@ pub enum InterpretName {
     Lamp,
     ApplicationMonitoring,
     K8sPrometheusCrdAlerting,
+    DiscoverInventoryAgent,
 }
 
 impl std::fmt::Display for InterpretName {
@@ -58,6 +59,7 @@ impl std::fmt::Display for InterpretName {
             InterpretName::Lamp => f.write_str("LAMP"),
             InterpretName::ApplicationMonitoring => f.write_str("ApplicationMonitoring"),
             InterpretName::K8sPrometheusCrdAlerting => f.write_str("K8sPrometheusCrdAlerting"),
+            InterpretName::DiscoverInventoryAgent => f.write_str("DiscoverInventoryAgent"),
         }
     }
 }

harmony/src/modules/inventory/mod.rs

@@ -0,0 +1,71 @@
+use async_trait::async_trait;
+use harmony_inventory_agent::local_presence::DiscoveryEvent;
+use log::info;
+use serde::{Deserialize, Serialize};
+
+use crate::{
+    data::{Id, Version},
+    interpret::{Interpret, InterpretError, InterpretName, InterpretStatus, Outcome},
+    inventory::Inventory,
+    score::Score,
+    topology::Topology,
+};
+
+/// This launches an harmony_inventory_agent discovery process
+/// This will allow us to register/update hosts running harmony_inventory_agent
+/// from LAN in the Harmony inventory
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DiscoverInventoryAgentScore {
+    pub discovery_timeout: Option<u64>,
+}
+
+impl<T: Topology> Score<T> for DiscoverInventoryAgentScore {
+    fn name(&self) -> String {
+        "DiscoverInventoryAgentScore".to_string()
+    }
+
+    fn create_interpret(&self) -> Box<dyn Interpret<T>> {
+        Box::new(DiscoverInventoryAgentInterpret {
+            score: self.clone(),
+        })
+    }
+}
+
+#[derive(Debug)]
+struct DiscoverInventoryAgentInterpret {
+    score: DiscoverInventoryAgentScore,
+}
+
+#[async_trait]
+impl<T: Topology> Interpret<T> for DiscoverInventoryAgentInterpret {
+    async fn execute(
+        &self,
+        inventory: &Inventory,
+        topology: &T,
+    ) -> Result<Outcome, InterpretError> {
+        harmony_inventory_agent::local_presence::discover_agents(
+            self.score.discovery_timeout,
+            on_discover_event,
+        );
+    }
+
+    fn get_name(&self) -> InterpretName {
+        InterpretName::DiscoverInventoryAgent
+    }
+
+    fn get_version(&self) -> Version {
+        todo!()
+    }
+
+    fn get_status(&self) -> InterpretStatus {
+        todo!()
+    }
+
+    fn get_children(&self) -> Vec<Id> {
+        todo!()
+    }
+}
+
+fn on_discover_event(event: &DiscoveryEvent) {
+    info!("got discovery event {event:?}");
+}

harmony/src/modules/mod.rs

@@ -17,3 +17,4 @@ pub mod prometheus;
 pub mod storage;
 pub mod tenant;
 pub mod tftp;
+pub mod inventory;