.gitea/workflows/check.yml

@@ -9,7 +9,7 @@ jobs:
   check:
     runs-on: docker
     container:
-      image: hub.nationtech.io/harmony/harmony_composer:latest@sha256:eb0406fcb95c63df9b7c4b19bc50ad7914dd8232ce98e9c9abef628e07c69386
+      image: hub.nationtech.io/harmony/harmony_composer:latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

.gitea/workflows/harmony_composer.yaml

@@ -7,7 +7,7 @@ on:
 jobs:
   package_harmony_composer:
     container:
-      image: hub.nationtech.io/harmony/harmony_composer:latest@sha256:eb0406fcb95c63df9b7c4b19bc50ad7914dd8232ce98e9c9abef628e07c69386
+      image: hub.nationtech.io/harmony/harmony_composer:latest
     runs-on: dind
     steps:
       - name: Checkout code
@@ -45,14 +45,14 @@ jobs:
             -H "Authorization: token ${{ secrets.GITEATOKEN }}" \
             "https://git.nationtech.io/api/v1/repos/nationtech/harmony/releases/tags/snapshot-latest" \
             | jq -r '.id // empty')
-          
+
           if [ -n "$RELEASE_ID" ]; then
             # Delete existing release
             curl -X DELETE \
               -H "Authorization: token ${{ secrets.GITEATOKEN }}" \
               "https://git.nationtech.io/api/v1/repos/nationtech/harmony/releases/$RELEASE_ID"
           fi
-          
+
           # Create new release
           RESPONSE=$(curl -X POST \
             -H "Authorization: token ${{ secrets.GITEATOKEN }}" \
@@ -65,7 +65,7 @@ jobs:
               "prerelease": true
             }' \
             "https://git.nationtech.io/api/v1/repos/nationtech/harmony/releases")
-          
+
           echo "RELEASE_ID=$(echo $RESPONSE | jq -r '.id')" >> $GITHUB_ENV
 
       - name: Upload Linux binary

harmony/Cargo.toml

@@ -5,6 +5,9 @@ version.workspace = true
 readme.workspace = true
 license.workspace = true
 
+[features]
+testing = []
+
 [dependencies]
 rand = "0.9"
 hex = "0.4"

harmony/src/domain/config.rs

@@ -11,5 +11,5 @@ lazy_static! {
     pub static ref REGISTRY_PROJECT: String =
         std::env::var("HARMONY_REGISTRY_PROJECT").unwrap_or_else(|_| "harmony".to_string());
     pub static ref DRY_RUN: bool =
-        std::env::var("HARMONY_DRY_RUN").map_or(true, |value| value.parse().unwrap_or(true));
+        std::env::var("HARMONY_DRY_RUN").is_ok_and(|value| value.parse().unwrap_or(false));
 }

harmony/src/domain/instrumentation.rs

@@ -2,28 +2,34 @@ use log::debug;
 use once_cell::sync::Lazy;
 use tokio::sync::broadcast;
 
-use super::interpret::{InterpretError, Outcome};
+use super::{
+    interpret::{InterpretError, Outcome},
+    topology::TopologyStatus,
+};
 
 #[derive(Debug, Clone)]
 pub enum HarmonyEvent {
     HarmonyStarted,
-    PrepareTopologyStarted {
+    HarmonyFinished,
-        topology: String,
-    },
-    TopologyPrepared {
-        topology: String,
-        outcome: Outcome,
-    },
     InterpretExecutionStarted {
+        execution_id: String,
         topology: String,
         interpret: String,
+        score: String,
         message: String,
     },
     InterpretExecutionFinished {
+        execution_id: String,
         topology: String,
         interpret: String,
+        score: String,
         outcome: Result<Outcome, InterpretError>,
     },
+    TopologyStateChanged {
+        topology: String,
+        status: TopologyStatus,
+        message: Option<String>,
+    },
 }
 
 static HARMONY_EVENT_BUS: Lazy<broadcast::Sender<HarmonyEvent>> = Lazy::new(|| {
@@ -33,9 +39,14 @@ static HARMONY_EVENT_BUS: Lazy<broadcast::Sender<HarmonyEvent>> = Lazy::new(|| {
 });
 
 pub fn instrument(event: HarmonyEvent) -> Result<(), &'static str> {
-    match HARMONY_EVENT_BUS.send(event) {
+    if cfg!(any(test, feature = "testing")) {
-        Ok(_) => Ok(()),
+        let _ = event; // Suppress the "unused variable" warning for `event`
-        Err(_) => Err("send error: no subscribers"),
+        Ok(())
+    } else {
+        match HARMONY_EVENT_BUS.send(event) {
+            Ok(_) => Ok(()),
+            Err(_) => Err("send error: no subscribers"),
+        }
     }
 }
 

harmony/src/domain/interpret/mod.rs

@@ -7,6 +7,7 @@ use super::{
     data::{Id, Version},
     executors::ExecutorError,
     inventory::Inventory,
+    topology::PreparationError,
 };
 
 pub enum InterpretName {
@@ -23,6 +24,14 @@ pub enum InterpretName {
     TenantInterpret,
     Application,
     ArgoCD,
+    Alerting,
+    Ntfy,
+    HelmChart,
+    HelmCommand,
+    K8sResource,
+    Lamp,
+    ApplicationMonitoring,
+    K8sPrometheusCrdAlerting,
 }
 
 impl std::fmt::Display for InterpretName {
@@ -41,6 +50,14 @@ impl std::fmt::Display for InterpretName {
             InterpretName::TenantInterpret => f.write_str("Tenant"),
             InterpretName::Application => f.write_str("Application"),
             InterpretName::ArgoCD => f.write_str("ArgoCD"),
+            InterpretName::Alerting => f.write_str("Alerting"),
+            InterpretName::Ntfy => f.write_str("Ntfy"),
+            InterpretName::HelmChart => f.write_str("HelmChart"),
+            InterpretName::HelmCommand => f.write_str("HelmCommand"),
+            InterpretName::K8sResource => f.write_str("K8sResource"),
+            InterpretName::Lamp => f.write_str("LAMP"),
+            InterpretName::ApplicationMonitoring => f.write_str("ApplicationMonitoring"),
+            InterpretName::K8sPrometheusCrdAlerting => f.write_str("K8sPrometheusCrdAlerting"),
         }
     }
 }
@@ -113,6 +130,14 @@ impl std::fmt::Display for InterpretError {
 }
 impl Error for InterpretError {}
 
+impl From<PreparationError> for InterpretError {
+    fn from(value: PreparationError) -> Self {
+        Self {
+            msg: format!("InterpretError : {value}"),
+        }
+    }
+}
+
 impl From<ExecutorError> for InterpretError {
     fn from(value: ExecutorError) -> Self {
         Self {

harmony/src/domain/maestro/mod.rs

@@ -1,14 +1,14 @@
-use std::sync::{Arc, Mutex, RwLock};
+use std::sync::{Arc, RwLock};
 
 use log::{debug, warn};
 
-use crate::instrumentation::{self, HarmonyEvent};
+use crate::topology::TopologyStatus;
 
 use super::{
-    interpret::{InterpretError, InterpretStatus, Outcome},
+    interpret::{InterpretError, Outcome},
     inventory::Inventory,
     score::Score,
-    topology::Topology,
+    topology::{PreparationError, PreparationOutcome, Topology, TopologyState},
 };
 
 type ScoreVec<T> = Vec<Box<dyn Score<T>>>;
@@ -17,7 +17,7 @@ pub struct Maestro<T: Topology> {
     inventory: Inventory,
     topology: T,
     scores: Arc<RwLock<ScoreVec<T>>>,
-    topology_preparation_result: Mutex<Option<Outcome>>,
+    topology_state: TopologyState,
 }
 
 impl<T: Topology> Maestro<T> {
@@ -25,41 +25,46 @@ impl<T: Topology> Maestro<T> {
     ///
     /// This should rarely be used. Most of the time Maestro::initialize should be used instead.
     pub fn new_without_initialization(inventory: Inventory, topology: T) -> Self {
+        let topology_name = topology.name().to_string();
+
         Self {
             inventory,
             topology,
             scores: Arc::new(RwLock::new(Vec::new())),
-            topology_preparation_result: None.into(),
+            topology_state: TopologyState::new(topology_name),
         }
     }
 
-    pub async fn initialize(inventory: Inventory, topology: T) -> Result<Self, InterpretError> {
+    pub async fn initialize(inventory: Inventory, topology: T) -> Result<Self, PreparationError> {
-        let instance = Self::new_without_initialization(inventory, topology);
+        let mut instance = Self::new_without_initialization(inventory, topology);
         instance.prepare_topology().await?;
         Ok(instance)
     }
 
     /// Ensures the associated Topology is ready for operations.
     /// Delegates the readiness check and potential setup actions to the Topology.
-    pub async fn prepare_topology(&self) -> Result<Outcome, InterpretError> {
+    async fn prepare_topology(&mut self) -> Result<PreparationOutcome, PreparationError> {
-        instrumentation::instrument(HarmonyEvent::PrepareTopologyStarted {
+        self.topology_state.prepare();
-            topology: self.topology.name().to_string(),
-        })
-        .unwrap();
 
-        let outcome = self.topology.ensure_ready().await?;
+        let result = self.topology.ensure_ready().await;
 
-        instrumentation::instrument(HarmonyEvent::TopologyPrepared {
+        match result {
-            topology: self.topology.name().to_string(),
+            Ok(outcome) => {
-            outcome: outcome.clone(),
+                match outcome.clone() {
-        })
+                    PreparationOutcome::Success { details } => {
-        .unwrap();
+                        self.topology_state.success(details);
-
+                    }
-        self.topology_preparation_result
+                    PreparationOutcome::Noop => {
-            .lock()
+                        self.topology_state.noop();
-            .unwrap()
+                    }
-            .replace(outcome.clone());
+                };
-        Ok(outcome)
+                Ok(outcome)
+            }
+            Err(err) => {
+                self.topology_state.error(err.to_string());
+                Err(err)
+            }
+        }
     }
 
     pub fn register_all(&mut self, mut scores: ScoreVec<T>) {
@@ -68,12 +73,7 @@ impl<T: Topology> Maestro<T> {
     }
 
     fn is_topology_initialized(&self) -> bool {
-        let result = self.topology_preparation_result.lock().unwrap();
+        self.topology_state.status == TopologyStatus::Success
-        if let Some(outcome) = result.as_ref() {
-            matches!(outcome.status, InterpretStatus::SUCCESS)
-        } else {
-            false
-        }
     }
 
     pub async fn interpret(&self, score: Box<dyn Score<T>>) -> Result<Outcome, InterpretError> {
@@ -84,10 +84,8 @@ impl<T: Topology> Maestro<T> {
                 self.topology.name(),
             );
         }
-        debug!("Running score {score:?}");
+        debug!("Interpreting score {score:?}");
-        let interpret = score.create_interpret();
+        let result = score.interpret(&self.inventory, &self.topology).await;
-        debug!("Launching interpret {interpret:?}");
-        let result = interpret.execute(&self.inventory, &self.topology).await;
         debug!("Got result {result:?}");
         result
     }

harmony/src/domain/score.rs

@@ -1,15 +1,55 @@
 use std::collections::BTreeMap;
 
+use async_trait::async_trait;
 use serde::Serialize;
 use serde_value::Value;
 
-use super::{interpret::Interpret, topology::Topology};
+use super::{
+    data::Id,
+    instrumentation::{self, HarmonyEvent},
+    interpret::{Interpret, InterpretError, Outcome},
+    inventory::Inventory,
+    topology::Topology,
+};
 
+#[async_trait]
 pub trait Score<T: Topology>:
     std::fmt::Debug + ScoreToString<T> + Send + Sync + CloneBoxScore<T> + SerializeScore<T>
 {
-    fn create_interpret(&self) -> Box<dyn Interpret<T>>;
+    async fn interpret(
+        &self,
+        inventory: &Inventory,
+        topology: &T,
+    ) -> Result<Outcome, InterpretError> {
+        let id = Id::default();
+        let interpret = self.create_interpret();
+
+        instrumentation::instrument(HarmonyEvent::InterpretExecutionStarted {
+            execution_id: id.clone().to_string(),
+            topology: topology.name().into(),
+            interpret: interpret.get_name().to_string(),
+            score: self.name(),
+            message: format!("{} running...", interpret.get_name()),
+        })
+        .unwrap();
+        let result = interpret.execute(inventory, topology).await;
+
+        instrumentation::instrument(HarmonyEvent::InterpretExecutionFinished {
+            execution_id: id.clone().to_string(),
+            topology: topology.name().into(),
+            interpret: interpret.get_name().to_string(),
+            score: self.name(),
+            outcome: result.clone(),
+        })
+        .unwrap();
+
+        result
+    }
+
     fn name(&self) -> String;
+
+    #[doc(hidden)]
+    fn create_interpret(&self) -> Box<dyn Interpret<T>>;
 }
 
 pub trait SerializeScore<T: Topology> {

harmony/src/domain/topology/ha_cluster.rs

@@ -4,8 +4,6 @@ use harmony_types::net::MacAddress;
 use log::info;
 
 use crate::executors::ExecutorError;
-use crate::interpret::InterpretError;
-use crate::interpret::Outcome;
 
 use super::DHCPStaticEntry;
 use super::DhcpServer;
@@ -19,6 +17,8 @@ use super::K8sclient;
 use super::LoadBalancer;
 use super::LoadBalancerService;
 use super::LogicalHost;
+use super::PreparationError;
+use super::PreparationOutcome;
 use super::Router;
 use super::TftpServer;
 
@@ -48,7 +48,7 @@ impl Topology for HAClusterTopology {
     fn name(&self) -> &str {
         "HAClusterTopology"
     }
-    async fn ensure_ready(&self) -> Result<Outcome, InterpretError> {
+    async fn ensure_ready(&self) -> Result<PreparationOutcome, PreparationError> {
         todo!(
             "ensure_ready, not entirely sure what it should do here, probably something like verify that the hosts are reachable and all services are up and ready."
         )
@@ -244,10 +244,12 @@ impl Topology for DummyInfra {
         todo!()
     }
 
-    async fn ensure_ready(&self) -> Result<Outcome, InterpretError> {
+    async fn ensure_ready(&self) -> Result<PreparationOutcome, PreparationError> {
         let dummy_msg = "This is a dummy infrastructure that does nothing";
         info!("{dummy_msg}");
-        Ok(Outcome::success(dummy_msg.to_string()))
+        Ok(PreparationOutcome::Success {
+            details: dummy_msg.into(),
+        })
     }
 }
 

harmony/src/domain/topology/k8s_anywhere.rs

@@ -7,7 +7,7 @@ use tokio::sync::OnceCell;
 
 use crate::{
     executors::ExecutorError,
-    interpret::{InterpretError, InterpretStatus, Outcome},
+    interpret::InterpretStatus,
     inventory::Inventory,
     modules::{
         k3d::K3DInstallationScore,
@@ -24,7 +24,8 @@ use crate::{
 };
 
 use super::{
-    DeploymentTarget, HelmCommand, K8sclient, MultiTargetTopology, Topology,
+    DeploymentTarget, HelmCommand, K8sclient, MultiTargetTopology, PreparationError,
+    PreparationOutcome, Topology,
     k8s::K8sClient,
     oberservability::monitoring::AlertReceiver,
     tenant::{
@@ -80,22 +81,30 @@ impl PrometheusApplicationMonitoring<CRDPrometheus> for K8sAnywhereTopology {
         sender: &CRDPrometheus,
         inventory: &Inventory,
         receivers: Option<Vec<Box<dyn AlertReceiver<CRDPrometheus>>>>,
-    ) -> Result<Outcome, InterpretError> {
+    ) -> Result<PreparationOutcome, PreparationError> {
         let po_result = self.ensure_prometheus_operator(sender).await?;
 
-        if po_result.status == InterpretStatus::NOOP {
+        if po_result == PreparationOutcome::Noop {
             debug!("Skipping Prometheus CR installation due to missing operator.");
-            return Ok(Outcome::noop());
+            return Ok(po_result);
         }
-        self.get_k8s_prometheus_application_score(sender.clone(), receivers)
-            .await
-            .create_interpret()
-            .execute(inventory, self)
-            .await?;
 
-        Ok(Outcome::success(
+        let result = self
-            "No action, working on cluster  ".to_string(),
+            .get_k8s_prometheus_application_score(sender.clone(), receivers)
-        ))
+            .await
+            .interpret(inventory, self)
+            .await;
+
+        match result {
+            Ok(outcome) => match outcome.status {
+                InterpretStatus::SUCCESS => Ok(PreparationOutcome::Success {
+                    details: outcome.message,
+                }),
+                InterpretStatus::NOOP => Ok(PreparationOutcome::Noop),
+                _ => Err(PreparationError::new(outcome.message)),
+            },
+            Err(err) => Err(PreparationError::new(err.to_string())),
+        }
     }
 }
 
@@ -166,15 +175,23 @@ impl K8sAnywhereTopology {
         K3DInstallationScore::default()
     }
 
-    async fn try_install_k3d(&self) -> Result<(), InterpretError> {
+    async fn try_install_k3d(&self) -> Result<(), PreparationError> {
-        self.get_k3d_installation_score()
+        let result = self
-            .create_interpret()
+            .get_k3d_installation_score()
-            .execute(&Inventory::empty(), self)
+            .interpret(&Inventory::empty(), self)
-            .await?;
+            .await;
-        Ok(())
+
+        match result {
+            Ok(outcome) => match outcome.status {
+                InterpretStatus::SUCCESS => Ok(()),
+                InterpretStatus::NOOP => Ok(()),
+                _ => Err(PreparationError::new(outcome.message)),
+            },
+            Err(err) => Err(PreparationError::new(err.to_string())),
+        }
     }
 
-    async fn try_get_or_install_k8s_client(&self) -> Result<Option<K8sState>, InterpretError> {
+    async fn try_get_or_install_k8s_client(&self) -> Result<Option<K8sState>, PreparationError> {
         let k8s_anywhere_config = &self.config;
 
         // TODO this deserves some refactoring, it is becoming a bit hard to figure out
@@ -193,7 +210,7 @@ impl K8sAnywhereTopology {
                         }));
                     }
                     None => {
-                        return Err(InterpretError::new(format!(
+                        return Err(PreparationError::new(format!(
                             "Failed to load kubeconfig from {kubeconfig}"
                         )));
                     }
@@ -272,11 +289,11 @@ impl K8sAnywhereTopology {
     async fn ensure_prometheus_operator(
         &self,
         sender: &CRDPrometheus,
-    ) -> Result<Outcome, InterpretError> {
+    ) -> Result<PreparationOutcome, PreparationError> {
         let status = Command::new("sh")
             .args(["-c", "kubectl get crd -A | grep -i prometheuses"])
             .status()
-            .map_err(|e| InterpretError::new(format!("could not connect to cluster: {}", e)))?;
+            .map_err(|e| PreparationError::new(format!("could not connect to cluster: {}", e)))?;
 
         if !status.success() {
             if let Some(Some(k8s_state)) = self.k8s_state.get() {
@@ -285,30 +302,37 @@ impl K8sAnywhereTopology {
                         debug!("installing prometheus operator");
                         let op_score =
                             prometheus_operator_helm_chart_score(sender.namespace.clone());
-                        op_score
+                        let result = op_score.interpret(&Inventory::empty(), self).await;
-                            .create_interpret()
+
-                            .execute(&Inventory::empty(), self)
+                        return match result {
-                            .await?;
+                            Ok(outcome) => match outcome.status {
-                        return Ok(Outcome::success(
+                                InterpretStatus::SUCCESS => Ok(PreparationOutcome::Success {
-                            "installed prometheus operator".to_string(),
+                                    details: "installed prometheus operator".into(),
-                        ));
+                                }),
+                                InterpretStatus::NOOP => Ok(PreparationOutcome::Noop),
+                                _ => Err(PreparationError::new(
+                                    "failed to install prometheus operator (unknown error)".into(),
+                                )),
+                            },
+                            Err(err) => Err(PreparationError::new(err.to_string())),
+                        };
                     }
                     K8sSource::Kubeconfig => {
                         debug!("unable to install prometheus operator, contact cluster admin");
-                        return Ok(Outcome::noop());
+                        return Ok(PreparationOutcome::Noop);
                     }
                 }
             } else {
                 warn!("Unable to detect k8s_state. Skipping Prometheus Operator install.");
-                return Ok(Outcome::noop());
+                return Ok(PreparationOutcome::Noop);
             }
         }
 
         debug!("Prometheus operator is already present, skipping install");
 
-        Ok(Outcome::success(
+        Ok(PreparationOutcome::Success {
-            "prometheus operator present in cluster".to_string(),
+            details: "prometheus operator present in cluster".into(),
-        ))
+        })
     }
 }
 
@@ -367,26 +391,25 @@ impl Topology for K8sAnywhereTopology {
         "K8sAnywhereTopology"
     }
 
-    async fn ensure_ready(&self) -> Result<Outcome, InterpretError> {
+    async fn ensure_ready(&self) -> Result<PreparationOutcome, PreparationError> {
         let k8s_state = self
             .k8s_state
             .get_or_try_init(|| self.try_get_or_install_k8s_client())
             .await?;
 
-        let k8s_state: &K8sState = k8s_state.as_ref().ok_or(InterpretError::new(
+        let k8s_state: &K8sState = k8s_state.as_ref().ok_or(PreparationError::new(
-            "No K8s client could be found or installed".to_string(),
+            "no K8s client could be found or installed".to_string(),
         ))?;
 
         self.ensure_k8s_tenant_manager(k8s_state)
             .await
-            .map_err(InterpretError::new)?;
+            .map_err(PreparationError::new)?;
 
         match self.is_helm_available() {
-            Ok(()) => Ok(Outcome::success(format!(
+            Ok(()) => Ok(PreparationOutcome::Success {
-                "{} + helm available",
+                details: format!("{} + helm available", k8s_state.message.clone()),
-                k8s_state.message.clone()
+            }),
-            ))),
+            Err(e) => Err(PreparationError::new(format!("helm unavailable: {}", e))),
-            Err(e) => Err(InterpretError::new(format!("helm unavailable: {}", e))),
         }
     }
 }

harmony/src/domain/topology/localhost.rs

@@ -1,9 +1,7 @@
 use async_trait::async_trait;
 use derive_new::new;
 
-use crate::interpret::{InterpretError, Outcome};
+use super::{HelmCommand, PreparationError, PreparationOutcome, Topology};
-
-use super::{HelmCommand, Topology};
 
 #[derive(new)]
 pub struct LocalhostTopology;
@@ -14,10 +12,10 @@ impl Topology for LocalhostTopology {
         "LocalHostTopology"
     }
 
-    async fn ensure_ready(&self) -> Result<Outcome, InterpretError> {
+    async fn ensure_ready(&self) -> Result<PreparationOutcome, PreparationError> {
-        Ok(Outcome::success(
+        Ok(PreparationOutcome::Success {
-            "Localhost is Chuck Norris, always ready.".to_string(),
+            details: "Localhost is Chuck Norris, always ready.".into(),
-        ))
+        })
     }
 }
 

harmony/src/domain/topology/mod.rs

@@ -6,6 +6,7 @@ mod k8s_anywhere;
 mod localhost;
 pub mod oberservability;
 pub mod tenant;
+use derive_new::new;
 pub use k8s_anywhere::*;
 pub use localhost::*;
 pub mod k8s;
@@ -26,10 +27,13 @@ pub use tftp::*;
 mod helm_command;
 pub use helm_command::*;
 
+use super::{
+    executors::ExecutorError,
+    instrumentation::{self, HarmonyEvent},
+};
+use std::error::Error;
 use std::net::IpAddr;
 
-use super::interpret::{InterpretError, Outcome};
-
 /// Represents a logical view of an infrastructure environment providing specific capabilities.
 ///
 /// A Topology acts as a self-contained "package" responsible for managing access
@@ -57,9 +61,128 @@ pub trait Topology: Send + Sync {
     ///     *   **Internal Orchestration:** For complex topologies, this method might manage dependencies on other sub-topologies, ensuring *their* `ensure_ready` is called first. Using nested `Maestros` to run setup `Scores` against these sub-topologies is the recommended pattern for non-trivial bootstrapping, allowing reuse of Harmony's core orchestration logic.
     ///
     /// # Returns
-    /// - `Ok(Outcome)`: Indicates the topology is now ready. The `Outcome` status might be `SUCCESS` if actions were taken, or `NOOP` if it was already ready. The message should provide context.
+    /// - `Ok(PreparationOutcome)`: Indicates the topology is now ready. The `Outcome` status might be `SUCCESS` if actions were taken, or `NOOP` if it was already ready. The message should provide context.
-    /// - `Err(TopologyError)`: Indicates the topology could not reach a ready state due to configuration issues, discovery failures, bootstrap errors, or unsupported environments.
+    /// - `Err(PreparationError)`: Indicates the topology could not reach a ready state due to configuration issues, discovery failures, bootstrap errors, or unsupported environments.
-    async fn ensure_ready(&self) -> Result<Outcome, InterpretError>;
+    async fn ensure_ready(&self) -> Result<PreparationOutcome, PreparationError>;
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum PreparationOutcome {
+    Success { details: String },
+    Noop,
+}
+
+#[derive(Debug, Clone, new)]
+pub struct PreparationError {
+    msg: String,
+}
+
+impl std::fmt::Display for PreparationError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&self.msg)
+    }
+}
+
+impl Error for PreparationError {}
+
+impl From<ExecutorError> for PreparationError {
+    fn from(value: ExecutorError) -> Self {
+        Self {
+            msg: format!("InterpretError : {value}"),
+        }
+    }
+}
+
+impl From<kube::Error> for PreparationError {
+    fn from(value: kube::Error) -> Self {
+        Self {
+            msg: format!("PreparationError : {value}"),
+        }
+    }
+}
+
+impl From<String> for PreparationError {
+    fn from(value: String) -> Self {
+        Self {
+            msg: format!("PreparationError : {value}"),
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub enum TopologyStatus {
+    Queued,
+    Preparing,
+    Success,
+    Noop,
+    Error,
+}
+
+pub struct TopologyState {
+    pub topology: String,
+    pub status: TopologyStatus,
+}
+
+impl TopologyState {
+    pub fn new(topology: String) -> Self {
+        let instance = Self {
+            topology,
+            status: TopologyStatus::Queued,
+        };
+
+        instrumentation::instrument(HarmonyEvent::TopologyStateChanged {
+            topology: instance.topology.clone(),
+            status: instance.status.clone(),
+            message: None,
+        })
+        .unwrap();
+
+        instance
+    }
+
+    pub fn prepare(&mut self) {
+        self.status = TopologyStatus::Preparing;
+
+        instrumentation::instrument(HarmonyEvent::TopologyStateChanged {
+            topology: self.topology.clone(),
+            status: self.status.clone(),
+            message: None,
+        })
+        .unwrap();
+    }
+
+    pub fn success(&mut self, message: String) {
+        self.status = TopologyStatus::Success;
+
+        instrumentation::instrument(HarmonyEvent::TopologyStateChanged {
+            topology: self.topology.clone(),
+            status: self.status.clone(),
+            message: Some(message),
+        })
+        .unwrap();
+    }
+
+    pub fn noop(&mut self) {
+        self.status = TopologyStatus::Noop;
+
+        instrumentation::instrument(HarmonyEvent::TopologyStateChanged {
+            topology: self.topology.clone(),
+            status: self.status.clone(),
+            message: None,
+        })
+        .unwrap();
+    }
+
+    pub fn error(&mut self, message: String) {
+        self.status = TopologyStatus::Error;
+
+        instrumentation::instrument(HarmonyEvent::TopologyStateChanged {
+            topology: self.topology.clone(),
+            status: self.status.clone(),
+            message: Some(message),
+        })
+        .unwrap();
+    }
 }
 
 #[derive(Debug)]

harmony/src/domain/topology/oberservability/monitoring.rs

@@ -45,7 +45,7 @@ impl<S: AlertSender + Installable<T>, T: Topology> Interpret<T> for AlertingInte
     }
 
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::Alerting
     }
 
     fn get_version(&self) -> Version {

harmony/src/domain/topology/tenant/k8s.rs

@@ -15,7 +15,7 @@ use k8s_openapi::{
     apimachinery::pkg::util::intstr::IntOrString,
 };
 use kube::Resource;
-use log::{debug, info, warn};
+use log::debug;
 use serde::de::DeserializeOwned;
 use serde_json::json;
 use tokio::sync::OnceCell;
@@ -46,8 +46,7 @@ impl K8sTenantManager {
     }
 
     fn ensure_constraints(&self, _namespace: &Namespace) -> Result<(), ExecutorError> {
-        warn!("Validate that when tenant already exists (by id) that name has not changed");
+        // TODO: Ensure constraints are applied to namespace (https://git.nationtech.io/NationTech/harmony/issues/98)
-        warn!("Make sure other Tenant constraints are respected by this k8s implementation");
         Ok(())
     }
 
@@ -437,13 +436,14 @@ impl TenantManager for K8sTenantManager {
         debug!("Creating network_policy for tenant {}", config.name);
         self.apply_resource(network_policy, config).await?;
 
-        info!(
+        debug!(
             "Success provisionning K8s tenant id {} name {}",
             config.id, config.name
         );
         self.store_config(config);
         Ok(())
     }
+
     async fn get_tenant_config(&self) -> Option<TenantConfig> {
         self.k8s_tenant_config.get().cloned()
     }

harmony/src/modules/application/features/continuous_delivery.rs

@@ -193,8 +193,7 @@ impl<
                     })],
                 };
                 score
-                    .create_interpret()
+                    .interpret(&Inventory::empty(), topology)
-                    .execute(&Inventory::empty(), topology)
                     .await
                     .unwrap();
             }

harmony/src/modules/application/features/helm_argocd_score.rs

@@ -51,10 +51,7 @@ impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for ArgoInterpret {
         topology: &T,
     ) -> Result<Outcome, InterpretError> {
         error!("Uncomment below, only disabled for debugging");
-        self.score
+        self.score.interpret(inventory, topology).await?;
-            .create_interpret()
-            .execute(inventory, topology)
-            .await?;
 
         let k8s_client = topology.k8s_client().await?;
         k8s_client
@@ -62,7 +59,7 @@ impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for ArgoInterpret {
             .await
             .unwrap();
         Ok(Outcome::success(format!(
-            "Successfully installed ArgoCD and {} Applications",
+            "ArgoCD installed with {} applications",
             self.argo_apps.len()
         )))
     }

harmony/src/modules/application/features/monitoring.rs

@@ -57,8 +57,7 @@ impl<
             namespace: namespace.clone(),
             host: "localhost".to_string(),
         };
-        ntfy.create_interpret()
+        ntfy.interpret(&Inventory::empty(), topology)
-            .execute(&Inventory::empty(), topology)
             .await
             .expect("couldn't create interpret for ntfy");
 
@@ -95,8 +94,7 @@ impl<
 
         alerting_score.receivers.push(Box::new(ntfy_receiver));
         alerting_score
-            .create_interpret()
+            .interpret(&Inventory::empty(), topology)
-            .execute(&Inventory::empty(), topology)
             .await
             .unwrap();
         Ok(())

harmony/src/modules/application/mod.rs

@@ -60,7 +60,7 @@ impl<A: Application, T: Topology + std::fmt::Debug> Interpret<T> for Application
                 }
             };
         }
-        Ok(Outcome::success("successfully created app".to_string()))
+        Ok(Outcome::success("Application created".to_string()))
     }
 
     fn get_name(&self) -> InterpretName {

harmony/src/modules/application/rust.rs

@@ -46,7 +46,7 @@ where
     }
 
     fn name(&self) -> String {
-        format!("Application: {}", self.application.name())
+        format!("{} [ApplicationScore]", self.application.name())
     }
 }
 

harmony/src/modules/helm/chart.rs

@@ -55,7 +55,7 @@ impl<T: Topology + HelmCommand> Score<T> for HelmChartScore {
     }
 
     fn name(&self) -> String {
-        format!("{} {} HelmChartScore", self.release_name, self.chart_name)
+        format!("{} [HelmChartScore]", self.release_name)
     }
 }
 
@@ -225,24 +225,27 @@ impl<T: Topology + HelmCommand> Interpret<T> for HelmChartInterpret {
         match status {
             helm_wrapper_rs::HelmDeployStatus::Deployed => Ok(Outcome::new(
                 InterpretStatus::SUCCESS,
-                "Helm Chart deployed".to_string(),
+                format!("Helm Chart {} deployed", self.score.release_name),
             )),
             helm_wrapper_rs::HelmDeployStatus::PendingInstall => Ok(Outcome::new(
                 InterpretStatus::RUNNING,
-                "Helm Chart Pending install".to_string(),
+                format!("Helm Chart {} pending install...", self.score.release_name),
             )),
             helm_wrapper_rs::HelmDeployStatus::PendingUpgrade => Ok(Outcome::new(
                 InterpretStatus::RUNNING,
-                "Helm Chart pending upgrade".to_string(),
+                format!("Helm Chart {} pending upgrade...", self.score.release_name),
-            )),
-            helm_wrapper_rs::HelmDeployStatus::Failed => Err(InterpretError::new(
-                "Failed to install helm chart".to_string(),
             )),
+            helm_wrapper_rs::HelmDeployStatus::Failed => Err(InterpretError::new(format!(
+                "Helm Chart {} installation failed",
+                self.score.release_name
+            ))),
         }
     }
+
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::HelmChart
     }
+
     fn get_version(&self) -> Version {
         todo!()
     }

harmony/src/modules/helm/command.rs

@@ -349,7 +349,7 @@ impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for HelmChartInterpretV
     }
 
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::HelmCommand
     }
     fn get_version(&self) -> Version {
         todo!()

harmony/src/modules/k3d/install.rs

@@ -7,7 +7,6 @@ use serde::Serialize;
 use crate::{
     config::HARMONY_DATA_DIR,
     data::{Id, Version},
-    instrumentation::{self, HarmonyEvent},
     interpret::{Interpret, InterpretError, InterpretName, InterpretStatus, Outcome},
     inventory::Inventory,
     score::Score,
@@ -30,14 +29,14 @@ impl Default for K3DInstallationScore {
 }
 
 impl<T: Topology> Score<T> for K3DInstallationScore {
-    fn create_interpret(&self) -> Box<dyn crate::interpret::Interpret<T>> {
+    fn create_interpret(&self) -> Box<dyn Interpret<T>> {
         Box::new(K3dInstallationInterpret {
             score: self.clone(),
         })
     }
 
     fn name(&self) -> String {
-        todo!()
+        "K3dInstallationScore".into()
     }
 }
 
@@ -51,20 +50,14 @@ impl<T: Topology> Interpret<T> for K3dInstallationInterpret {
     async fn execute(
         &self,
         _inventory: &Inventory,
-        topology: &T,
+        _topology: &T,
     ) -> Result<Outcome, InterpretError> {
-        instrumentation::instrument(HarmonyEvent::InterpretExecutionStarted {
-            topology: topology.name().into(),
-            interpret: "k3d-installation".into(),
-            message: "installing k3d...".into(),
-        })
-        .unwrap();
-
         let k3d = k3d_rs::K3d::new(
             self.score.installation_path.clone(),
             Some(self.score.cluster_name.clone()),
         );
-        let outcome = match k3d.ensure_installed().await {
+
+        match k3d.ensure_installed().await {
             Ok(_client) => {
                 let msg = format!("k3d cluster '{}' installed ", self.score.cluster_name);
                 debug!("{msg}");
@@ -73,16 +66,7 @@ impl<T: Topology> Interpret<T> for K3dInstallationInterpret {
             Err(msg) => Err(InterpretError::new(format!(
                 "failed to ensure k3d is installed : {msg}"
             ))),
-        };
+        }
-
-        instrumentation::instrument(HarmonyEvent::InterpretExecutionFinished {
-            topology: topology.name().into(),
-            interpret: "k3d-installation".into(),
-            outcome: outcome.clone(),
-        })
-        .unwrap();
-
-        outcome
     }
     fn get_name(&self) -> InterpretName {
         InterpretName::K3dInstallation

harmony/src/modules/k8s/resource.rs

@@ -89,7 +89,7 @@ where
         ))
     }
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::K8sResource
     }
     fn get_version(&self) -> Version {
         todo!()

harmony/src/modules/lamp.rs

@@ -128,10 +128,7 @@ impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for LAMPInterpret {
 
         info!("Deploying score {deployment_score:#?}");
 
-        deployment_score
+        deployment_score.interpret(inventory, topology).await?;
-            .create_interpret()
-            .execute(inventory, topology)
-            .await?;
 
         info!("LAMP deployment_score {deployment_score:?}");
 
@@ -153,10 +150,7 @@ impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for LAMPInterpret {
                 .map(|nbs| fqdn!(nbs.to_string().as_str())),
         };
 
-        lamp_ingress
+        lamp_ingress.interpret(inventory, topology).await?;
-            .create_interpret()
-            .execute(inventory, topology)
-            .await?;
 
         info!("LAMP lamp_ingress {lamp_ingress:?}");
 
@@ -166,7 +160,7 @@ impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for LAMPInterpret {
     }
 
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::Lamp
     }
 
     fn get_version(&self) -> Version {
@@ -215,7 +209,7 @@ impl LAMPInterpret {
             repository: None,
         };
 
-        score.create_interpret().execute(inventory, topology).await
+        score.interpret(inventory, topology).await
     }
     fn build_dockerfile(&self, score: &LAMPScore) -> Result<PathBuf, Box<dyn std::error::Error>> {
         let mut dockerfile = Dockerfile::new();

harmony/src/modules/monitoring/application_monitoring/application_monitoring_score.rs

@@ -13,7 +13,7 @@ use crate::{
         prometheus::prometheus::PrometheusApplicationMonitoring,
     },
     score::Score,
-    topology::{Topology, oberservability::monitoring::AlertReceiver},
+    topology::{PreparationOutcome, Topology, oberservability::monitoring::AlertReceiver},
 };
 
 #[derive(Debug, Clone, Serialize)]
@@ -33,7 +33,10 @@ impl<T: Topology + PrometheusApplicationMonitoring<CRDPrometheus>> Score<T>
     }
 
     fn name(&self) -> String {
-        "ApplicationMonitoringScore".to_string()
+        format!(
+            "{} monitoring [ApplicationMonitoringScore]",
+            self.application.name()
+        )
     }
 }
 
@@ -51,17 +54,27 @@ impl<T: Topology + PrometheusApplicationMonitoring<CRDPrometheus>> Interpret<T>
         inventory: &Inventory,
         topology: &T,
     ) -> Result<Outcome, InterpretError> {
-        topology
+        let result = topology
             .install_prometheus(
                 &self.score.sender,
                 inventory,
                 Some(self.score.receivers.clone()),
             )
-            .await
+            .await;
+
+        match result {
+            Ok(outcome) => match outcome {
+                PreparationOutcome::Success { details: _ } => {
+                    Ok(Outcome::success("Prometheus installed".into()))
+                }
+                PreparationOutcome::Noop => Ok(Outcome::noop()),
+            },
+            Err(err) => Err(InterpretError::from(err)),
+        }
     }
 
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::ApplicationMonitoring
     }
 
     fn get_version(&self) -> Version {

harmony/src/modules/monitoring/kube_prometheus/prometheus.rs

@@ -119,8 +119,7 @@ impl KubePrometheus {
         topology: &T,
     ) -> Result<Outcome, InterpretError> {
         kube_prometheus_helm_chart_score(self.config.clone())
-            .create_interpret()
+            .interpret(inventory, topology)
-            .execute(inventory, topology)
             .await
     }
 }

harmony/src/modules/monitoring/ntfy/ntfy.rs

@@ -28,7 +28,7 @@ impl<T: Topology + HelmCommand + K8sclient> Score<T> for NtfyScore {
     }
 
     fn name(&self) -> String {
-        "Ntfy".to_string()
+        "alert receiver [NtfyScore]".into()
     }
 }
 
@@ -96,8 +96,7 @@ impl<T: Topology + HelmCommand + K8sclient> Interpret<T> for NtfyInterpret {
         topology: &T,
     ) -> Result<Outcome, InterpretError> {
         ntfy_helm_chart_score(self.score.namespace.clone(), self.score.host.clone())
-            .create_interpret()
+            .interpret(inventory, topology)
-            .execute(inventory, topology)
             .await?;
 
         debug!("installed ntfy helm chart");
@@ -120,12 +119,13 @@ impl<T: Topology + HelmCommand + K8sclient> Interpret<T> for NtfyInterpret {
 
         debug!("exec into pod done");
 
-        Ok(Outcome::success("installed ntfy".to_string()))
+        Ok(Outcome::success("Ntfy installed".to_string()))
     }
 
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::Ntfy
     }
+
     fn get_version(&self) -> Version {
         todo!()
     }

harmony/src/modules/monitoring/prometheus/prometheus.rs

@@ -100,8 +100,7 @@ impl Prometheus {
         topology: &T,
     ) -> Result<Outcome, InterpretError> {
         prometheus_helm_chart_score(self.config.clone())
-            .create_interpret()
+            .interpret(inventory, topology)
-            .execute(inventory, topology)
             .await
     }
     pub async fn install_grafana<T: Topology + HelmCommand + Send + Sync>(
@@ -116,8 +115,7 @@ impl Prometheus {
 
         if let Some(ns) = namespace.as_deref() {
             grafana_helm_chart_score(ns)
-                .create_interpret()
+                .interpret(inventory, topology)
-                .execute(inventory, topology)
                 .await
         } else {
             Err(InterpretError::new(

harmony/src/modules/prometheus/k8s_prometheus_alerting_score.rs

@@ -61,7 +61,7 @@ impl<T: Topology + K8sclient + PrometheusApplicationMonitoring<CRDPrometheus>> S
     }
 
     fn name(&self) -> String {
-        "CRDApplicationAlertingScore".into()
+        "prometheus alerting [CRDAlertingScore]".into()
     }
 }
 
@@ -94,12 +94,12 @@ impl<T: Topology + K8sclient + PrometheusApplicationMonitoring<CRDPrometheus>> I
         self.install_monitors(self.service_monitors.clone(), &client)
             .await?;
         Ok(Outcome::success(
-            "deployed application monitoring composants".to_string(),
+            "K8s monitoring components installed".to_string(),
         ))
     }
 
     fn get_name(&self) -> InterpretName {
-        todo!()
+        InterpretName::K8sPrometheusCrdAlerting
     }
 
     fn get_version(&self) -> Version {
@@ -118,7 +118,7 @@ impl<T: Topology + K8sclient + PrometheusApplicationMonitoring<CRDPrometheus>> I
 impl K8sPrometheusCRDAlertingInterpret {
     async fn crd_exists(&self, crd: &str) -> bool {
         let status = Command::new("sh")
-            .args(["-c", "kubectl get crd -A | grep -i", crd])
+            .args(["-c", &format!("kubectl get crd -A | grep -i {crd}")])
             .status()
             .map_err(|e| InterpretError::new(format!("could not connect to cluster: {}", e)))
             .unwrap();

harmony/src/modules/prometheus/prometheus.rs

@@ -1,9 +1,11 @@
 use async_trait::async_trait;
 
 use crate::{
-    interpret::{InterpretError, Outcome},
     inventory::Inventory,
-    topology::oberservability::monitoring::{AlertReceiver, AlertSender},
+    topology::{
+        PreparationError, PreparationOutcome,
+        oberservability::monitoring::{AlertReceiver, AlertSender},
+    },
 };
 
 #[async_trait]
@@ -13,5 +15,5 @@ pub trait PrometheusApplicationMonitoring<S: AlertSender> {
         sender: &S,
         inventory: &Inventory,
         receivers: Option<Vec<Box<dyn AlertReceiver<S>>>>,
-    ) -> Result<Outcome, InterpretError>;
+    ) -> Result<PreparationOutcome, PreparationError>;
 }

harmony/src/modules/tenant/credentials.rs

@@ -17,7 +17,7 @@ impl<T: Topology + TenantCredentialManager> Score<T> for TenantCredentialScore {
     }
 
     fn name(&self) -> String {
-        todo!()
+        "TenantCredentialScore".into()
     }
 }
 

harmony/src/modules/tenant/mod.rs

@@ -28,7 +28,7 @@ impl<T: Topology + TenantManager> Score<T> for TenantScore {
     }
 
     fn name(&self) -> String {
-        format!("{} TenantScore", self.config.name)
+        format!("{} [TenantScore]", self.config.name)
     }
 }
 
@@ -47,8 +47,8 @@ impl<T: Topology + TenantManager> Interpret<T> for TenantInterpret {
         topology.provision_tenant(&self.tenant_config).await?;
 
         Ok(Outcome::success(format!(
-            "Successfully provisioned tenant {} with id {}",
+            "Tenant provisioned with id '{}'",
-            self.tenant_config.name, self.tenant_config.id
+            self.tenant_config.id
         )))
     }
 

harmony_cli/Cargo.toml

@@ -5,6 +5,10 @@ version.workspace = true
 readme.workspace = true
 license.workspace = true
 
+[features]
+default = ["tui"]
+tui = ["dep:harmony_tui"]
+
 [dependencies]
 assert_cmd = "2.0.17"
 clap = { version = "4.5.35", features = ["derive"] }
@@ -19,7 +23,5 @@ lazy_static = "1.5.0"
 log.workspace = true
 indicatif-log-bridge = "0.2.3"
 
-
+[dev-dependencies]
-[features]
+harmony = { path = "../harmony", features = ["testing"] }
-default = ["tui"]
-tui = ["dep:harmony_tui"]

harmony_cli/src/cli_logger.rs

@@ -1,16 +1,16 @@
-use harmony::instrumentation::{self, HarmonyEvent};
+use harmony::{
-use indicatif::{MultiProgress, ProgressBar};
+    instrumentation::{self, HarmonyEvent},
-use indicatif_log_bridge::LogWrapper;
+    topology::TopologyStatus,
-use std::{
-    collections::HashMap,
-    sync::{Arc, Mutex},
 };
+use indicatif::MultiProgress;
+use indicatif_log_bridge::LogWrapper;
+use std::sync::{Arc, Mutex};
 
-use crate::progress;
+use crate::progress::{IndicatifProgressTracker, ProgressTracker};
 
 pub fn init() -> tokio::task::JoinHandle<()> {
-    configure_logger();
+    let base_progress = configure_logger();
-    let handle = tokio::spawn(handle_events());
+    let handle = tokio::spawn(handle_events(base_progress));
 
     loop {
         if instrumentation::instrument(HarmonyEvent::HarmonyStarted).is_ok() {
@@ -21,91 +21,144 @@ pub fn init() -> tokio::task::JoinHandle<()> {
     handle
 }
 
-fn configure_logger() {
+fn configure_logger() -> MultiProgress {
     let logger =
         env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).build();
     let level = logger.filter();
-    let multi = MultiProgress::new();
+    let progress = MultiProgress::new();
-    LogWrapper::new(multi.clone(), logger).try_init().unwrap();
+
+    LogWrapper::new(progress.clone(), logger)
+        .try_init()
+        .unwrap();
     log::set_max_level(level);
+
+    progress
 }
 
-async fn handle_events() {
+async fn handle_events(base_progress: MultiProgress) {
-    instrumentation::subscribe("Harmony CLI Logger", {
+    let progress_tracker = Arc::new(IndicatifProgressTracker::new(base_progress.clone()));
-        let sections: Arc<Mutex<HashMap<String, MultiProgress>>> =
+    let preparing_topology = Arc::new(Mutex::new(false));
-            Arc::new(Mutex::new(HashMap::new()));
+    let current_score: Arc<Mutex<Option<String>>> = Arc::new(Mutex::new(None));
-        let progress_bars: Arc<Mutex<HashMap<String, ProgressBar>>> =
-            Arc::new(Mutex::new(HashMap::new()));
 
+    instrumentation::subscribe("Harmony CLI Logger", {
         move |event| {
-            let sections_clone = Arc::clone(&sections);
+            let progress_tracker = Arc::clone(&progress_tracker);
-            let progress_bars_clone = Arc::clone(&progress_bars);
+            let preparing_topology = Arc::clone(&preparing_topology);
+            let current_score = Arc::clone(&current_score);
 
             async move {
-                let mut sections = sections_clone.lock().unwrap();
+                let mut preparing_topology = preparing_topology.lock().unwrap();
-                let mut progress_bars = progress_bars_clone.lock().unwrap();
+                let mut current_score = current_score.lock().unwrap();
 
                 match event {
                     HarmonyEvent::HarmonyStarted => {}
-                    HarmonyEvent::PrepareTopologyStarted { topology: name } => {
+                    HarmonyEvent::HarmonyFinished => {
-                        let section = progress::new_section(format!(
+                        progress_tracker.add_section(
-                            "{} Preparing environment: {name}...",
+                            "harmony-summary",
-                            crate::theme::EMOJI_TOPOLOGY,
+                            &format!("\n{} Harmony completed\n\n", crate::theme::EMOJI_HARMONY),
-                        ));
+                        );
-                        (*sections).insert(name, section);
+                        progress_tracker.add_section("harmony-finished", "\n\n");
+                        return false;
                     }
-                    HarmonyEvent::TopologyPrepared {
+                    HarmonyEvent::TopologyStateChanged {
-                        topology: name,
+                        topology,
-                        outcome,
+                        status,
+                        message,
                     } => {
-                        let section = (*sections).get(&name).unwrap();
+                        let section_key = topology_key(&topology);
-                        let progress = progress::add_spinner(section, "".into());
 
-                        match outcome.status {
+                        match status {
-                            harmony::interpret::InterpretStatus::SUCCESS => {
+                            TopologyStatus::Queued => {}
-                                progress::success(section, Some(progress), outcome.message);
+                            TopologyStatus::Preparing => {
+                                progress_tracker.add_section(
+                                    &section_key,
+                                    &format!(
+                                        "\n{} Preparing environment: {topology}...",
+                                        crate::theme::EMOJI_TOPOLOGY
+                                    ),
+                                );
+                                (*preparing_topology) = true;
                             }
-                            harmony::interpret::InterpretStatus::FAILURE => {
+                            TopologyStatus::Success => {
-                                progress::error(section, Some(progress), outcome.message);
+                                (*preparing_topology) = false;
+                                progress_tracker.add_task(&section_key, "topology-success", "");
+                                progress_tracker
+                                    .finish_task("topology-success", &message.unwrap_or("".into()));
                             }
-                            harmony::interpret::InterpretStatus::RUNNING => todo!(),
+                            TopologyStatus::Noop => {
-                            harmony::interpret::InterpretStatus::QUEUED => todo!(),
+                                (*preparing_topology) = false;
-                            harmony::interpret::InterpretStatus::BLOCKED => todo!(),
+                                progress_tracker.add_task(&section_key, "topology-skip", "");
-                            harmony::interpret::InterpretStatus::NOOP => {
+                                progress_tracker
-                                progress::skip(section, Some(progress), outcome.message);
+                                    .skip_task("topology-skip", &message.unwrap_or("".into()));
+                            }
+                            TopologyStatus::Error => {
+                                progress_tracker.add_task(&section_key, "topology-error", "");
+                                (*preparing_topology) = false;
+                                progress_tracker
+                                    .fail_task("topology-error", &message.unwrap_or("".into()));
                             }
                         }
                     }
                     HarmonyEvent::InterpretExecutionStarted {
-                        interpret: name,
+                        execution_id: task_key,
                         topology,
+                        interpret: _,
+                        score,
                         message,
                     } => {
-                        let section = (*sections).get(&topology).unwrap();
+                        let is_key_topology = (*preparing_topology)
-                        let progress_bar = progress::add_spinner(section, message);
+                            && progress_tracker.contains_section(&topology_key(&topology));
+                        let is_key_current_score = current_score.is_some()
+                            && progress_tracker
+                                .contains_section(&score_key(&current_score.clone().unwrap()));
+                        let is_key_score = progress_tracker.contains_section(&score_key(&score));
 
-                        (*progress_bars).insert(name, progress_bar);
+                        let section_key = if is_key_topology {
+                            topology_key(&topology)
+                        } else if is_key_current_score {
+                            score_key(&current_score.clone().unwrap())
+                        } else if is_key_score {
+                            score_key(&score)
+                        } else {
+                            (*current_score) = Some(score.clone());
+                            let key = score_key(&score);
+                            progress_tracker.add_section(
+                                &key,
+                                &format!(
+                                    "{} Interpreting score: {score}...",
+                                    crate::theme::EMOJI_SCORE
+                                ),
+                            );
+                            key
+                        };
+
+                        progress_tracker.add_task(&section_key, &task_key, &message);
                     }
                     HarmonyEvent::InterpretExecutionFinished {
-                        topology,
+                        execution_id: task_key,
-                        interpret: name,
+                        topology: _,
+                        interpret: _,
+                        score,
                         outcome,
                     } => {
-                        let section = (*sections).get(&topology).unwrap();
+                        if current_score.is_some() && current_score.clone().unwrap() == score {
-                        let progress_bar = (*progress_bars).get(&name).cloned();
+                            (*current_score) = None;
-
-                        let _ = section.clear();
-
-                        match outcome {
-                            Ok(outcome) => {
-                                progress::success(section, progress_bar, outcome.message);
-                            }
-                            Err(err) => {
-                                progress::error(section, progress_bar, err.to_string());
-                            }
                         }
 
-                        (*progress_bars).remove(&name);
+                        match outcome {
+                            Ok(outcome) => match outcome.status {
+                                harmony::interpret::InterpretStatus::SUCCESS => {
+                                    progress_tracker.finish_task(&task_key, &outcome.message);
+                                }
+                                harmony::interpret::InterpretStatus::NOOP => {
+                                    progress_tracker.skip_task(&task_key, &outcome.message);
+                                }
+                                _ => progress_tracker.fail_task(&task_key, &outcome.message),
+                            },
+                            Err(err) => {
+                                progress_tracker.fail_task(&task_key, &err.to_string());
+                            }
+                        }
                     }
                 }
                 true
@@ -114,3 +167,11 @@ async fn handle_events() {
     })
     .await;
 }
+
+fn topology_key(topology: &str) -> String {
+    format!("topology-{topology}")
+}
+
+fn score_key(score: &str) -> String {
+    format!("score-{score}")
+}

harmony_cli/src/lib.rs

@@ -1,5 +1,6 @@
 use clap::Parser;
 use clap::builder::ArgPredicate;
+use harmony::instrumentation;
 use harmony::inventory::Inventory;
 use harmony::maestro::Maestro;
 use harmony::{score::Score, topology::Topology};
@@ -97,6 +98,7 @@ pub async fn run<T: Topology + Send + Sync + 'static>(
 
     let result = init(maestro, args_struct).await;
 
+    instrumentation::instrument(instrumentation::HarmonyEvent::HarmonyFinished).unwrap();
     let _ = tokio::try_join!(cli_logger_handle);
     result
 }
@@ -163,7 +165,7 @@ async fn init<T: Topology + Send + Sync + 'static>(
 }
 
 #[cfg(test)]
-mod test {
+mod tests {
     use harmony::{
         inventory::Inventory,
         maestro::Maestro,

harmony_cli/src/progress.rs

@@ -1,50 +1,163 @@
+use indicatif::{MultiProgress, ProgressBar};
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
 use std::time::Duration;
 
-use indicatif::{MultiProgress, ProgressBar};
+pub trait ProgressTracker: Send + Sync {
-
+    fn contains_section(&self, id: &str) -> bool;
-pub fn new_section(title: String) -> MultiProgress {
+    fn add_section(&self, id: &str, message: &str);
-    let multi_progress = MultiProgress::new();
+    fn add_task(&self, section_id: &str, task_id: &str, message: &str);
-    let _ = multi_progress.println(title);
+    fn finish_task(&self, id: &str, message: &str);
-
+    fn fail_task(&self, id: &str, message: &str);
-    multi_progress
+    fn skip_task(&self, id: &str, message: &str);
+    fn clear(&self);
 }
 
-pub fn add_spinner(multi_progress: &MultiProgress, message: String) -> ProgressBar {
+struct Section {
-    let progress = multi_progress.add(ProgressBar::new_spinner());
+    header_index: usize,
-
+    task_count: usize,
-    progress.set_style(crate::theme::SPINNER_STYLE.clone());
+    pb: ProgressBar,
-    progress.set_message(message);
-    progress.enable_steady_tick(Duration::from_millis(100));
-
-    progress
 }
 
-pub fn success(multi_progress: &MultiProgress, progress: Option<ProgressBar>, message: String) {
+struct IndicatifProgressTrackerState {
-    if let Some(progress) = progress {
+    sections: HashMap<String, Section>,
-        multi_progress.remove(&progress)
+    tasks: HashMap<String, ProgressBar>,
+    pb_count: usize,
+}
+
+#[derive(Clone)]
+pub struct IndicatifProgressTracker {
+    mp: MultiProgress,
+    state: Arc<Mutex<IndicatifProgressTrackerState>>,
+}
+
+impl IndicatifProgressTracker {
+    pub fn new(base: MultiProgress) -> Self {
+        // The indicatif log bridge will insert a progress bar at the top.
+        // To prevent our first section from being erased, we need to create
+        // a dummy progress bar as our first progress bar.
+        let _ = base.clear();
+        let log_pb = base.add(ProgressBar::new(1));
+
+        let mut sections = HashMap::new();
+        sections.insert(
+            "__log__".into(),
+            Section {
+                header_index: 0,
+                task_count: 0,
+                pb: log_pb.clone(),
+            },
+        );
+
+        let mut tasks = HashMap::new();
+        tasks.insert("__log__".into(), log_pb);
+
+        let state = Arc::new(Mutex::new(IndicatifProgressTrackerState {
+            sections,
+            tasks,
+            pb_count: 1,
+        }));
+
+        Self { mp: base, state }
+    }
+}
+
+impl ProgressTracker for IndicatifProgressTracker {
+    fn add_section(&self, id: &str, message: &str) {
+        let mut state = self.state.lock().unwrap();
+
+        let header_pb = self
+            .mp
+            .add(ProgressBar::new(1).with_style(crate::theme::SECTION_STYLE.clone()));
+        header_pb.finish_with_message(message.to_string());
+
+        let header_index = state.pb_count;
+        state.pb_count += 1;
+
+        state.sections.insert(
+            id.to_string(),
+            Section {
+                header_index,
+                task_count: 0,
+                pb: header_pb,
+            },
+        );
     }
 
-    let progress = multi_progress.add(ProgressBar::new_spinner());
+    fn add_task(&self, section_id: &str, task_id: &str, message: &str) {
-    progress.set_style(crate::theme::SUCCESS_SPINNER_STYLE.clone());
+        let mut state = self.state.lock().unwrap();
-    progress.finish_with_message(message);
-}
 
-pub fn error(multi_progress: &MultiProgress, progress: Option<ProgressBar>, message: String) {
+        let insertion_index = {
-    if let Some(progress) = progress {
+            let current_section = state
-        multi_progress.remove(&progress)
+                .sections
+                .get(section_id)
+                .expect("Section ID not found");
+            current_section.header_index + current_section.task_count + 1 // +1 to insert after header
+        };
+
+        let pb = self.mp.insert(insertion_index, ProgressBar::new_spinner());
+        pb.set_style(crate::theme::SPINNER_STYLE.clone());
+        pb.set_prefix("  ");
+        pb.set_message(message.to_string());
+        pb.enable_steady_tick(Duration::from_millis(80));
+
+        state.pb_count += 1;
+
+        let section = state
+            .sections
+            .get_mut(section_id)
+            .expect("Section ID not found");
+        section.task_count += 1;
+
+        // We inserted a new progress bar, so we must update the header_index
+        // for all subsequent sections.
+        for (id, s) in state.sections.iter_mut() {
+            if id != section_id && s.header_index >= insertion_index {
+                s.header_index += 1;
+            }
+        }
+
+        state.tasks.insert(task_id.to_string(), pb);
     }
 
-    let progress = multi_progress.add(ProgressBar::new_spinner());
+    fn finish_task(&self, id: &str, message: &str) {
-    progress.set_style(crate::theme::ERROR_SPINNER_STYLE.clone());
+        let state = self.state.lock().unwrap();
-    progress.finish_with_message(message);
+        if let Some(pb) = state.tasks.get(id) {
-}
+            pb.set_style(crate::theme::SUCCESS_SPINNER_STYLE.clone());
-
+            pb.finish_with_message(message.to_string());
-pub fn skip(multi_progress: &MultiProgress, progress: Option<ProgressBar>, message: String) {
+        }
-    if let Some(progress) = progress {
-        multi_progress.remove(&progress)
     }
 
-    let progress = multi_progress.add(ProgressBar::new_spinner());
+    fn fail_task(&self, id: &str, message: &str) {
-    progress.set_style(crate::theme::SKIP_SPINNER_STYLE.clone());
+        let state = self.state.lock().unwrap();
-    progress.finish_with_message(message);
+        if let Some(pb) = state.tasks.get(id) {
+            pb.set_style(crate::theme::ERROR_SPINNER_STYLE.clone());
+            pb.finish_with_message(message.to_string());
+        }
+    }
+
+    fn skip_task(&self, id: &str, message: &str) {
+        let state = self.state.lock().unwrap();
+        if let Some(pb) = state.tasks.get(id) {
+            pb.set_style(crate::theme::SKIP_SPINNER_STYLE.clone());
+            pb.finish_with_message(message.to_string());
+        }
+    }
+
+    fn contains_section(&self, id: &str) -> bool {
+        let state = self.state.lock().unwrap();
+        state.sections.contains_key(id)
+    }
+
+    fn clear(&self) {
+        let mut state = self.state.lock().unwrap();
+
+        state.tasks.values().for_each(|p| self.mp.remove(p));
+        state.tasks.clear();
+        state.sections.values().for_each(|s| self.mp.remove(&s.pb));
+        state.sections.clear();
+        state.pb_count = 0;
+
+        let _ = self.mp.clear();
+    }
 }

harmony_cli/src/theme.rs

@@ -8,10 +8,14 @@ pub static EMOJI_SKIP: Emoji<'_, '_> = Emoji("⏭️", "");
 pub static EMOJI_ERROR: Emoji<'_, '_> = Emoji("⚠️", "");
 pub static EMOJI_DEPLOY: Emoji<'_, '_> = Emoji("🚀", "");
 pub static EMOJI_TOPOLOGY: Emoji<'_, '_> = Emoji("📦", "");
+pub static EMOJI_SCORE: Emoji<'_, '_> = Emoji("🎶", "");
 
 lazy_static! {
+    pub static ref SECTION_STYLE: ProgressStyle = ProgressStyle::default_spinner()
+        .template("{wide_msg:.bold}")
+        .unwrap();
     pub static ref SPINNER_STYLE: ProgressStyle = ProgressStyle::default_spinner()
-        .template("    {spinner:.green} {msg}")
+        .template("    {spinner:.green} {wide_msg}")
         .unwrap()
         .tick_strings(&["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]);
     pub static ref SUCCESS_SPINNER_STYLE: ProgressStyle = SPINNER_STYLE

harmony_composer/src/harmony_composer_logger.rs

@@ -1,10 +1,7 @@
-use indicatif::{MultiProgress, ProgressBar};
+use harmony_cli::progress::{IndicatifProgressTracker, ProgressTracker};
-use indicatif_log_bridge::LogWrapper;
+use indicatif::MultiProgress;
 use log::error;
-use std::{
+use std::sync::Arc;
-    collections::HashMap,
-    sync::{Arc, Mutex},
-};
 
 use crate::instrumentation::{self, HarmonyComposerEvent};
 
@@ -22,85 +19,57 @@ pub fn init() -> tokio::task::JoinHandle<()> {
 }
 
 fn configure_logger() {
-    let logger =
+    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).build();
-        env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).build();
-    let level = logger.filter();
-    let multi = MultiProgress::new();
-    LogWrapper::new(multi.clone(), logger).try_init().unwrap();
-    log::set_max_level(level);
 }
 
 pub async fn handle_events() {
-    const PROGRESS_SETUP: &str = "project-initialization";
+    let progress_tracker = Arc::new(IndicatifProgressTracker::new(MultiProgress::new()));
+
+    const SETUP_SECTION: &str = "project-initialization";
+    const COMPILTATION_TASK: &str = "compilation";
     const PROGRESS_DEPLOYMENT: &str = "deployment";
 
     instrumentation::subscribe("Harmony Composer Logger", {
-        let progresses: Arc<Mutex<HashMap<String, MultiProgress>>> =
-            Arc::new(Mutex::new(HashMap::new()));
-        let compilation_progress = Arc::new(Mutex::new(None::<ProgressBar>));
-
         move |event| {
-            let progresses_clone = Arc::clone(&progresses);
+            let progress_tracker = Arc::clone(&progress_tracker);
-            let compilation_progress_clone = Arc::clone(&compilation_progress);
 
             async move {
-                let mut progresses_guard = progresses_clone.lock().unwrap();
-                let mut compilation_progress_guard = compilation_progress_clone.lock().unwrap();
-
                 match event {
                     HarmonyComposerEvent::HarmonyComposerStarted => {}
                     HarmonyComposerEvent::ProjectInitializationStarted => {
-                        let multi_progress = harmony_cli::progress::new_section(format!(
+                        progress_tracker.add_section(
-                            "{} Initializing Harmony project...",
+                            SETUP_SECTION,
-                            harmony_cli::theme::EMOJI_HARMONY,
+                            &format!(
-                        ));
+                                "{} Initializing Harmony project...",
-                        (*progresses_guard).insert(PROGRESS_SETUP.to_string(), multi_progress);
+                                harmony_cli::theme::EMOJI_HARMONY,
+                            ),
+                        );
                     }
-                    HarmonyComposerEvent::ProjectInitialized => println!("\n"),
+                    HarmonyComposerEvent::ProjectInitialized => {}
                     HarmonyComposerEvent::ProjectCompilationStarted { details } => {
-                        let initialization_progress =
+                        progress_tracker.add_task(SETUP_SECTION, COMPILTATION_TASK, &details);
-                            (*progresses_guard).get(PROGRESS_SETUP).unwrap();
-                        let _ = initialization_progress.clear();
-
-                        let progress =
-                            harmony_cli::progress::add_spinner(initialization_progress, details);
-                        *compilation_progress_guard = Some(progress);
                     }
                     HarmonyComposerEvent::ProjectCompiled => {
-                        let initialization_progress =
+                        progress_tracker.finish_task(COMPILTATION_TASK, "project compiled");
-                            (*progresses_guard).get(PROGRESS_SETUP).unwrap();
-
-                        harmony_cli::progress::success(
-                            initialization_progress,
-                            (*compilation_progress_guard).take(),
-                            "project compiled".to_string(),
-                        );
                     }
                     HarmonyComposerEvent::ProjectCompilationFailed { details } => {
-                        let initialization_progress =
+                        progress_tracker.fail_task(COMPILTATION_TASK, "failed to compile project");
-                            (*progresses_guard).get(PROGRESS_SETUP).unwrap();
-
-                        harmony_cli::progress::error(
-                            initialization_progress,
-                            (*compilation_progress_guard).take(),
-                            "failed to compile project".to_string(),
-                        );
 
                         error!("{details}");
                     }
                     HarmonyComposerEvent::DeploymentStarted { target } => {
-                        let multi_progress = harmony_cli::progress::new_section(format!(
+                        progress_tracker.add_section(
-                            "{} Starting deployment to {target}...\n\n",
+                            PROGRESS_DEPLOYMENT,
-                            harmony_cli::theme::EMOJI_DEPLOY
+                            &format!(
-                        ));
+                                "\n{} Deploying project to {target}...\n",
-                        (*progresses_guard).insert(PROGRESS_DEPLOYMENT.to_string(), multi_progress);
+                                harmony_cli::theme::EMOJI_DEPLOY,
+                            ),
+                        );
+                    }
+                    HarmonyComposerEvent::DeploymentCompleted => {
+                        progress_tracker.clear();
                     }
-                    HarmonyComposerEvent::DeploymentCompleted => println!("\n"),
                     HarmonyComposerEvent::Shutdown => {
-                        for (_, progresses) in (*progresses_guard).iter() {
-                            progresses.clear().unwrap();
-                        }
-
                         return false;
                     }
                 }

harmony_composer/src/instrumentation.rs

@@ -23,9 +23,18 @@ static HARMONY_COMPOSER_EVENT_BUS: Lazy<broadcast::Sender<HarmonyComposerEvent>>
     });
 
 pub fn instrument(event: HarmonyComposerEvent) -> Result<(), &'static str> {
-    match HARMONY_COMPOSER_EVENT_BUS.send(event) {
+    #[cfg(not(test))]
-        Ok(_) => Ok(()),
+    {
-        Err(_) => Err("send error: no subscribers"),
+        match HARMONY_COMPOSER_EVENT_BUS.send(event) {
+            Ok(_) => Ok(()),
+            Err(_) => Err("send error: no subscribers"),
+        }
+    }
+
+    #[cfg(test)]
+    {
+        let _ = event; // Suppress the "unused variable" warning for `event`
+        Ok(())
     }
 }
 

harmony_composer/src/main.rs

@@ -20,7 +20,7 @@ mod instrumentation;
 #[derive(Parser)]
 #[command(version, about, long_about = None, flatten_help = true, propagate_version = true)]
 struct GlobalArgs {
-    #[arg(long, default_value = "harmony")]
+    #[arg(long, default_value = ".")]
     harmony_path: String,
 
     #[arg(long)]

k3d/src/downloadable_asset.rs

@@ -1,5 +1,5 @@
 use futures_util::StreamExt;
-use log::{debug, info, warn};
+use log::{debug, warn};
 use sha2::{Digest, Sha256};
 use std::io::Read;
 use std::path::PathBuf;
@@ -45,7 +45,7 @@ pub(crate) struct DownloadableAsset {
 impl DownloadableAsset {
     fn verify_checksum(&self, file: PathBuf) -> bool {
         if !file.exists() {
-            warn!("File does not exist: {:?}", file);
+            debug!("File does not exist: {:?}", file);
             return false;
         }
 
@@ -155,7 +155,7 @@ impl DownloadableAsset {
             return Err(CHECKSUM_FAILED_MSG.to_string());
         }
 
-        info!(
+        debug!(
             "File downloaded and verified successfully: {}",
             target_file_path.to_string_lossy()
         );

k3d/src/lib.rs

@@ -64,7 +64,6 @@ impl K3d {
             .text()
             .await
             .unwrap();
-        println!("body: {body}");
 
         let checksum = body
             .lines()
@@ -104,8 +103,7 @@ impl K3d {
             .get_latest()
             .await
             .map_err(|e| e.to_string())?;
-        // debug!("Got k3d releases {releases:#?}");
+        debug!("Got k3d releases {latest_release:#?}");
-        println!("Got k3d first releases {latest_release:#?}");
 
         Ok(latest_release)
     }