feat: create Argo interpret and kube client apply_yaml to install Argo Applications. Very messy implementation though, must be refactored/improved

harmony/src/domain/interpret/mod.rs

@@ -22,6 +22,7 @@ pub enum InterpretName {
     K3dInstallation,
     TenantInterpret,
     Application,
+    ArgoCD,
 }
 
 impl std::fmt::Display for InterpretName {
@@ -39,6 +40,7 @@ impl std::fmt::Display for InterpretName {
             InterpretName::K3dInstallation => f.write_str("K3dInstallation"),
             InterpretName::TenantInterpret => f.write_str("Tenant"),
             InterpretName::Application => f.write_str("Application"),
+            InterpretName::ArgoCD => f.write_str("ArgoCD"),
         }
     }
 }

harmony/src/domain/score_with_dep.rs

@@ -0,0 +1,59 @@
+////////////////////
+/// Working idea 
+///
+///
+trait ScoreWithDep<T> {
+    fn create_interpret(&self) -> Box<dyn Interpret<T>>;
+    fn name(&self) -> String;
+    fn get_dependencies(&self) -> Vec<TypeId>; // Force T to impl Installer<TypeId> or something
+                                               // like that
+}
+
+struct PrometheusAlertScore;
+
+impl <T> ScoreWithDep<T> for PrometheusAlertScore {
+    fn create_interpret(&self) -> Box<dyn Interpret<T>> {
+        todo!()
+    }
+
+    fn name(&self) -> String {
+        todo!()
+    }
+
+    fn get_dependencies(&self) -> Vec<TypeId> {
+        // We have to find a way to constrait here so at compile time we are only allowed to return
+        // TypeId for types which can be installed by T 
+        //
+        // This means, for example that T must implement HelmCommand if the impl <T: HelmCommand> Installable<T> for
+        // KubePrometheus calls for HelmCommand.
+        vec![TypeId::of::<KubePrometheus>()]
+    }
+}
+
+trait Installable{}
+
+struct KubePrometheus;
+
+impl Installable for KubePrometheus;
+ 
+
+struct Maestro<T> {
+    topology: T
+}
+
+impl <T>Maestro<T> {
+  fn execute_store(&self, score: ScoreWithDep<T>) {
+      score.get_dependencies().iter().for_each(|dep| {
+          self.topology.ensure_dependency_ready(dep);
+      });
+  }
+}
+
+struct TopologyWithDep {
+}
+
+impl TopologyWithDep {
+    fn ensure_dependency_ready(&self, type_id: TypeId) -> Result<(), String> {
+        self.installer
+    }
+}

harmony/src/domain/topology/k8s.rs

@@ -4,8 +4,6 @@ use k8s_openapi::{
     ClusterResourceScope, NamespaceResourceScope,
     api::{apps::v1::Deployment, core::v1::Pod},
 };
-use kube::runtime::conditions;
-use kube::runtime::wait::await_condition;
 use kube::{
     Client, Config, Error, Resource,
     api::{Api, AttachParams, ListParams, Patch, PatchParams, ResourceExt},
@@ -13,6 +11,11 @@ use kube::{
     core::ErrorResponse,
     runtime::reflector::Lookup,
 };
+use kube::{api::DynamicObject, runtime::conditions};
+use kube::{
+    api::{ApiResource, GroupVersionKind},
+    runtime::wait::await_condition,
+};
 use log::{debug, error, trace};
 use serde::de::DeserializeOwned;
 use similar::{DiffableStr, TextDiff};
@@ -239,6 +242,54 @@ impl K8sClient {
         Ok(result)
     }
 
+    pub async fn apply_yaml_many(
+        &self,
+        yaml: &Vec<serde_yaml::Value>,
+        ns: Option<&str>,
+    ) -> Result<(), Error> {
+        for y in yaml.iter() {
+            self.apply_yaml(y, ns).await?;
+        }
+        Ok(())
+    }
+
+    pub async fn apply_yaml(
+        &self,
+        yaml: &serde_yaml::Value,
+        ns: Option<&str>,
+    ) -> Result<(), Error> {
+        let obj: DynamicObject = serde_yaml::from_value(yaml.clone()).expect("TODO do not unwrap");
+        let name = obj.metadata.name.as_ref().expect("YAML must have a name");
+        let namespace = obj
+            .metadata
+            .namespace
+            .as_ref()
+            .expect("YAML must have a namespace");
+
+        // 4. Define the API resource type using the GVK from the object.
+        //    The plural name 'applications' is taken from your CRD definition.
+        error!("This only supports argocd application harcoded, very rrrong");
+        let gvk = GroupVersionKind::gvk("argoproj.io", "v1alpha1", "Application");
+        let api_resource = ApiResource::from_gvk_with_plural(&gvk, "applications");
+
+        // 5. Create a dynamic API client for this resource type.
+        let api: Api<DynamicObject> =
+            Api::namespaced_with(self.client.clone(), namespace, &api_resource);
+
+        // 6. Apply the object to the cluster using Server-Side Apply.
+        //    This will create the resource if it doesn't exist, or update it if it does.
+        println!(
+            "Applying Argo Application '{}' in namespace '{}'...",
+            name, namespace
+        );
+        let patch_params = PatchParams::apply("harmony"); // Use a unique field manager name
+        let result = api.patch(name, &patch_params, &Patch::Apply(&obj)).await?;
+
+        println!("Successfully applied '{}'.", result.name_any());
+
+        Ok(())
+    }
+
     pub(crate) async fn from_kubeconfig(path: &str) -> Option<K8sClient> {
         let k = match Kubeconfig::read_from(path) {
             Ok(k) => k,

harmony/src/domain/topology/k8s_anywhere.rs

@@ -246,7 +246,7 @@ pub struct K8sAnywhereConfig {
     ///
     /// default: true
     pub use_local_k3d: bool,
-    harmony_profile: String,
+    pub harmony_profile: String,
 }
 
 impl K8sAnywhereConfig {

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

@@ -1,5 +1,7 @@
 use std::{backtrace, collections::HashMap};
 
+use k8s_openapi::{Metadata, NamespaceResourceScope, Resource};
+use log::debug;
 use serde::Serialize;
 use serde_yaml::{Mapping, Value};
 use url::Url;
@@ -174,15 +176,15 @@ impl From<CDApplicationConfig> for ArgoApplication {
 }
 
 impl ArgoApplication {
-    fn to_yaml(self) -> serde_yaml::Value {
-        let name = self.name;
-        let namespace = if let Some(ns) = self.namespace {
-            ns
+    pub fn to_yaml(&self) -> serde_yaml::Value {
+        let name = &self.name;
+        let namespace = if let Some(ns) = self.namespace.as_ref() {
+            &ns
         } else {
-            "argocd".to_string()
+            "argocd"
         };
-        let project = self.project;
-        let source = self.source;
+        let project = &self.project;
+        let source = &self.source;
 
         let mut yaml_str = format!(
             r#"
@@ -221,6 +223,7 @@ spec:
                 .expect("couldn't serialize revision history to yaml string"),
         );
 
+        debug!("yaml serialize of :\n{yaml_str}");
         serde_yaml::from_str(&yaml_str).expect("Couldn't parse YAML")
     }
 }

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

@@ -10,11 +10,14 @@ use crate::{
     data::Version,
     inventory::Inventory,
     modules::{
-        application::{Application, ApplicationFeature, HelmPackage, OCICompliant},
+        application::{
+            Application, ApplicationFeature, HelmPackage, OCICompliant,
+            features::{ArgoApplication, ArgoHelmScore},
+        },
         helm::chart::HelmChartScore,
     },
     score::Score,
-    topology::{DeploymentTarget, HelmCommand, MultiTargetTopology, Topology, Url},
+    topology::{DeploymentTarget, HelmCommand, K8sclient, MultiTargetTopology, Topology, Url},
 };
 
 /// ContinuousDelivery in Harmony provides this functionality :
@@ -139,7 +142,7 @@ impl<A: OCICompliant + HelmPackage> ContinuousDelivery<A> {
 #[async_trait]
 impl<
     A: OCICompliant + HelmPackage + Clone + 'static,
-    T: Topology + HelmCommand + MultiTargetTopology + 'static,
+    T: Topology + HelmCommand + MultiTargetTopology + K8sclient + 'static,
 > ApplicationFeature<T> for ContinuousDelivery<A>
 {
     async fn ensure_installed(&self, topology: &T) -> Result<(), String> {
@@ -153,9 +156,8 @@ impl<
         let helm_chart = self.application.build_push_helm_package(&image).await?;
         info!("Pushed new helm chart {helm_chart}");
 
-        // let image = self.application.build_push_oci_image().await?;
-        // info!("Pushed new docker image {image}");
-        error!("uncomment above");
+        let image = self.application.build_push_oci_image().await?;
+        info!("Pushed new docker image {image}");
 
         info!("Installing ContinuousDelivery feature");
         // TODO this is a temporary hack for demo purposes, the deployment target should be driven
@@ -178,29 +180,33 @@ impl<
             }
             target => {
                 info!("Deploying to target {target:?}");
-                let cd_server = HelmChartScore {
-                    namespace: todo!(
-                        "ArgoCD Helm chart with proper understanding of Tenant, see how Will did it for Monitoring for now"
-                    ),
-                    release_name: todo!("argocd helm chart whatever"),
-                    chart_name: todo!(),
-                    chart_version: todo!(),
-                    values_overrides: todo!(),
-                    values_yaml: todo!(),
-                    create_namespace: todo!(),
-                    install_only: todo!(),
-                    repository: todo!(),
+                let score = ArgoHelmScore {
+                    namespace: "harmonydemo-staging".to_string(),
+                    openshift: true,
+                    domain: "argo.harmonydemo.apps.st.mcd".to_string(),
+                    argo_apps: vec![ArgoApplication::from(CDApplicationConfig {
+                        // helm pull oci://hub.nationtech.io/harmony/harmony-example-rust-webapp-chart/harmony-example-rust-webapp-chart --version 0.1.0
+                        version: Version::from("0.1.0").unwrap(),
+                        helm_chart_repo_url: Url::Url(url::Url::parse("oci://hub.nationtech.io/harmony/harmony-example-rust-webapp-chart/harmony-example-rust-webapp-chart").unwrap()),
+                        helm_chart_name: "harmony-example-rust-webapp-chart".to_string(),
+                        values_overrides: Value::Null,
+                        name: "harmony-demo-rust-webapp".to_string(),
+                        namespace: "harmonydemo-staging".to_string(),
+                    })],
                 };
-                let interpret = cd_server.create_interpret();
-                interpret.execute(&Inventory::empty(), topology);
+                score
+                    .create_interpret()
+                    .execute(&Inventory::empty(), topology)
+                    .await
+                    .unwrap();
             }
         };
 
         todo!("1. Create ArgoCD score that installs argo using helm chart, see if Taha's already done it
             - [X] Package app (docker image, helm chart)
             - [X] Push to registry
-            - [ ] Push only if staging or prod
-            - [ ] Deploy to local k3d when target is local
+            - [X] Push only if staging or prod
+            - [X] Deploy to local k3d when target is local
             - [ ] Poke Argo
             - [ ] Ensure app is up")
     }

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

@@ -1,9 +1,89 @@
+use async_trait::async_trait;
+use k8s_openapi::Resource;
 use non_blank_string_rs::NonBlankString;
+use serde::Serialize;
 use std::str::FromStr;
 
-use crate::modules::helm::chart::{HelmChartScore, HelmRepository};
+use crate::{
+    data::{Id, Version},
+    interpret::{Interpret, InterpretError, InterpretName, InterpretStatus, Outcome},
+    inventory::Inventory,
+    modules::helm::chart::{HelmChartScore, HelmRepository},
+    score::Score,
+    topology::{HelmCommand, K8sclient, Topology},
+};
 
-pub fn argo_helm_chart_score(namespace: String, openshift: bool, domain: String) -> HelmChartScore {
+use super::ArgoApplication;
+
+#[derive(Debug, Serialize, Clone)]
+pub struct ArgoHelmScore {
+    pub namespace: String,
+    pub openshift: bool,
+    pub domain: String,
+    pub argo_apps: Vec<ArgoApplication>,
+}
+
+impl<T: Topology + HelmCommand + K8sclient> Score<T> for ArgoHelmScore {
+    fn create_interpret(&self) -> Box<dyn crate::interpret::Interpret<T>> {
+        let helm_score = argo_helm_chart_score(&self.namespace, self.openshift, &self.domain);
+        Box::new(ArgoInterpret {
+            score: helm_score,
+            argo_apps: self.argo_apps.clone(),
+        })
+    }
+
+    fn name(&self) -> String {
+        "ArgoHelmScore".to_string()
+    }
+}
+
+#[derive(Debug)]
+pub struct ArgoInterpret {
+    score: HelmChartScore,
+    argo_apps: Vec<ArgoApplication>,
+}
+
+#[async_trait]
+impl<T: Topology + K8sclient + HelmCommand> Interpret<T> for ArgoInterpret {
+    async fn execute(
+        &self,
+        inventory: &Inventory,
+        topology: &T,
+    ) -> Result<Outcome, InterpretError> {
+        self.score
+            .create_interpret()
+            .execute(inventory, topology)
+            .await?;
+
+        let k8s_client = topology.k8s_client().await?;
+        k8s_client
+            .apply_yaml_many(&self.argo_apps.iter().map(|a| a.to_yaml()).collect(), None)
+            .await
+            .unwrap();
+        Ok(Outcome::success(format!(
+            "Successfully installed ArgoCD and {} Applications",
+            self.argo_apps.len()
+        )))
+    }
+
+    fn get_name(&self) -> InterpretName {
+        InterpretName::ArgoCD
+    }
+
+    fn get_version(&self) -> Version {
+        todo!()
+    }
+
+    fn get_status(&self) -> InterpretStatus {
+        todo!()
+    }
+
+    fn get_children(&self) -> Vec<Id> {
+        todo!()
+    }
+}
+
+pub fn argo_helm_chart_score(namespace: &str, openshift: bool, domain: &str) -> HelmChartScore {
     let values = format!(
         r#"
 # -- Create aggregated roles that extend existing cluster roles to interact with argo-cd resources