examples/fleet_load_test/src/main.rs

@@ -29,7 +29,8 @@ use async_nats::jetstream::{self, kv};
 use chrono::Utc;
 use clap::Parser;
 use harmony_fleet_operator::crd::{
-    Deployment, DeploymentSpec, Rollout, RolloutStrategy, ScorePayload,
+    Deployment, DeploymentSpec, PodmanService, PodmanV0Score, ReconcileScore, Rollout,
+    RolloutStrategy,
 };
 use harmony_reconciler_contracts::{
     BUCKET_DEVICE_HEARTBEAT, BUCKET_DEVICE_INFO, BUCKET_DEVICE_STATE, DeploymentName,
@@ -415,16 +416,16 @@ async fn apply_one_cr(
             // the desired-state here. The aggregator still writes KV
             // for each matched device; that's wire noise we accept
             // as part of the realism.
-            score: ScorePayload {
+            score: ReconcileScore::PodmanV0(PodmanV0Score {
-                type_: "PodmanV0".to_string(),
+                services: vec![PodmanService {
-                data: serde_json::json!({
+                    name: group.cr_name.clone(),
-                    "services": [{
+                    image: "docker.io/library/nginx:alpine".to_string(),
-                        "name": group.cr_name,
+                    ports: vec!["8080:80".to_string()],
-                        "image": "docker.io/library/nginx:alpine",
+                    env: vec![],
-                        "ports": ["8080:80"],
+                    volumes: vec![],
-                    }],
+                    restart_policy: Default::default(),
-                }),
+                }],
-            },
+            }),
             rollout: Rollout {
                 strategy: RolloutStrategy::Immediate,
             },

examples/harmony_apply_deployment/src/main.rs

@@ -38,11 +38,9 @@
 
 use anyhow::{Context, Result};
 use clap::Parser;
-use harmony::modules::podman::{PodmanService, PodmanV0Score};
+use harmony::modules::podman::{PodmanService, PodmanV0Score, ReconcileScore};
 use harmony::topology::{RestartPolicy, VolumeMount};
-use harmony_fleet_operator::crd::{
+use harmony_fleet_operator::crd::{Deployment, DeploymentSpec, Rollout, RolloutStrategy};
-    Deployment, DeploymentSpec, Rollout, RolloutStrategy, ScorePayload,
-};
 use k8s_openapi::apimachinery::pkg::apis::meta::v1::LabelSelector;
 use kube::Client;
 use kube::api::{Api, DeleteParams, Patch, PatchParams};
@@ -209,14 +207,7 @@ fn build_cr(cli: &Cli) -> Deployment {
         }],
     };
 
-    let payload = ScorePayload {
+    let payload = ReconcileScore::PodmanV0(score);
-        type_: "PodmanV0".to_string(),
-        // `ScorePayload::data` is `serde_json::Value` by design
-        // (opaque payload routed to the agent). Serialize the typed
-        // score through serde_json — the agent's `ReconcileScore` enum
-        // accepts exactly this shape via `#[serde(tag, content)]`.
-        data: serde_json::to_value(&score).expect("PodmanV0Score is JSON-clean"),
-    };
 
     let mut match_labels = BTreeMap::new();
     if cli.selectors.is_empty() {

fleet/harmony-fleet-operator/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2024"
 rust-version = "1.85"
 
 [dependencies]
-harmony = { path = "../../harmony" }
+harmony = { path = "../../harmony", features = ["podman"] }
 harmony-fleet-auth = { path = "../harmony-fleet-auth" }
 harmony-reconciler-contracts = { path = "../../harmony-reconciler-contracts" }
 toml = { workspace = true }
@@ -22,4 +22,4 @@ tracing-subscriber = { workspace = true }
 anyhow.workspace = true
 clap.workspace = true
 futures-util = { workspace = true }
-thiserror.workspace = true
+thiserror.workspace = true

fleet/harmony-fleet-operator/src/crd.rs

@@ -2,11 +2,10 @@ use harmony_reconciler_contracts::InventorySnapshot;
 use k8s_openapi::apimachinery::pkg::apis::meta::v1::LabelSelector;
 use kube::CustomResource;
 use schemars::JsonSchema;
-use schemars::schema::{
-    InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec, StringValidation,
-};
 use serde::{Deserialize, Serialize};
 
+pub use harmony::modules::podman::{PodmanService, PodmanV0Score, ReconcileScore};
+
 /// Deployment intent. Targets devices by label selector — identical
 /// to the pattern K8s itself uses for DaemonSet nodeSelector, Service
 /// pod selector, etc. The operator resolves the selector against
@@ -26,73 +25,10 @@ pub struct DeploymentSpec {
     /// Which devices this deployment targets. matches against
     /// `Device.metadata.labels`.
     pub target_selector: LabelSelector,
-    #[schemars(schema_with = "score_payload_schema")]
+    pub score: ReconcileScore,
-    pub score: ScorePayload,
     pub rollout: Rollout,
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug, JsonSchema)]
-pub struct ScorePayload {
-    #[serde(rename = "type")]
-    pub type_: String,
-    pub data: serde_json::Value,
-}
-
-/// Hand-rolled schema for `ScorePayload` so we can attach two apiserver
-/// concessions that `schemars` can't derive:
-///
-/// 1. `x-kubernetes-preserve-unknown-fields: true` on `data` — the payload
-///    is routed opaquely; its shape is enforced on-device by the agent's
-///    typed `ReconcileScore` deserialization, not by the apiserver.
-/// 2. An `x-kubernetes-validations` CEL rule on the enclosing `score` object
-///    requiring `type` to be a valid Rust identifier, so typos (`"pdoman"`)
-///    are rejected at `kubectl apply` time rather than silently reaching
-///    the agent.
-fn score_payload_schema(_: &mut schemars::r#gen::SchemaGenerator) -> Schema {
-    let type_schema = Schema::Object(SchemaObject {
-        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
-        string: Some(Box::new(StringValidation {
-            min_length: Some(1),
-            ..Default::default()
-        })),
-        ..Default::default()
-    });
-
-    let mut data_schema = SchemaObject::default();
-    data_schema.extensions.insert(
-        "x-kubernetes-preserve-unknown-fields".to_string(),
-        serde_json::Value::Bool(true),
-    );
-
-    let object = ObjectValidation {
-        required: ["type".to_string(), "data".to_string()]
-            .into_iter()
-            .collect(),
-        properties: [
-            ("type".to_string(), type_schema),
-            ("data".to_string(), Schema::Object(data_schema)),
-        ]
-        .into_iter()
-        .collect(),
-        ..Default::default()
-    };
-
-    let mut obj = SchemaObject {
-        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::Object))),
-        object: Some(Box::new(object)),
-        ..Default::default()
-    };
-    obj.extensions.insert(
-        "x-kubernetes-validations".to_string(),
-        serde_json::json!([{
-            "rule": "self.type.matches('^[A-Za-z_][A-Za-z0-9_]*$')",
-            "message": "score.type must be a valid Rust identifier matching the struct name of the score variant (e.g. PodmanV0)"
-        }]),
-    );
-
-    Schema::Object(obj)
-}
-
 #[derive(Serialize, Deserialize, Clone, Debug, JsonSchema)]
 pub struct Rollout {
     pub strategy: RolloutStrategy,

fleet/harmony-fleet-operator/src/lib.rs

@@ -4,7 +4,7 @@
 //! The CRD type definitions are exposed here as a library so external
 //! consumers — tooling that applies CRs, tests, documentation generators
 //! — can import the typed `Deployment`, `DeploymentSpec`,
-//! `ScorePayload`, etc. without duplicating them.
+//! `ReconcileScore`, etc. without duplicating them.
 
 pub mod chart;
 pub mod crd;

harmony/src/domain/topology/container_runtime.rs

@@ -1,4 +1,5 @@
 use async_trait::async_trait;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
 use crate::executors::ExecutorError;
@@ -76,7 +77,7 @@ impl ContainerSpec {
 /// A single host-path → container-path bind mount. Bind mounts are the only
 /// volume kind supported in v0 — they cover ~95% of compose use cases and
 /// don't depend on a runtime-managed volume namespace.
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, JsonSchema, Eq, Serialize, Deserialize)]
 pub struct VolumeMount {
     /// Absolute path on the host.
     pub host_path: String,
@@ -90,7 +91,7 @@ pub struct VolumeMount {
 
 /// Restart policy for a managed container. Names follow podman/docker
 /// conventions so docker-compose translation is mechanical.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, Clone, Copy, PartialEq, JsonSchema, Eq, Serialize, Deserialize, Default)]
 #[serde(rename_all = "kebab-case")]
 pub enum RestartPolicy {
     /// Don't restart on exit.

harmony/src/modules/podman/score.rs

@@ -7,6 +7,7 @@
 //! independent of any particular product (IoT fleet, OKD fleet, etc.)
 //! — callers serialize them over whatever transport they like.
 
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
 use crate::{
@@ -22,7 +23,7 @@ use super::interpret::PodmanV0Interpret;
 /// Wire-compatible with prior releases: the new `env`, `volumes`, and
 /// `restart_policy` fields all default to empty / `unless-stopped` so older
 /// Deployment CRs without them deserialize unchanged.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 pub struct PodmanService {
     pub name: String,
     pub image: String,
@@ -42,7 +43,7 @@ pub struct PodmanService {
 }
 
 /// v0 Score for podman-based workloads.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 pub struct PodmanV0Score {
     pub services: Vec<PodmanService>,
 }
@@ -69,7 +70,7 @@ impl PodmanV0Score {
 /// Adding a new variant is additive — emitters stay opaque routers,
 /// consumers learn the new variant, older consumers harmlessly
 /// log-and-skip the unknown tag.
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema, PartialEq)]
 #[serde(tag = "type", content = "data")]
 pub enum ReconcileScore {
     PodmanV0(PodmanV0Score),