feat: Initial rewrite of python render tool

src/patch.rs

@@ -0,0 +1,65 @@
+use minijinja::{Environment, context};
+use optional_struct::optional_struct;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+
+use crate::cluster::Cluster;
+use crate::node::Node;
+
+#[derive(Debug, Serialize, Deserialize, JsonSchema, Clone, PartialEq, Eq)]
+#[serde(untagged)]
+pub(crate) enum Patch {
+    Name(String),
+    #[serde(skip_deserializing)]
+    #[schemars(with = "serde_json::Value")]
+    Resolved(serde_yaml::Value),
+}
+
+#[optional_struct]
+#[derive(Debug, Serialize, Deserialize, JsonSchema, Clone, PartialEq, Eq, Default)]
+#[serde(rename_all = "camelCase", deny_unknown_fields)]
+pub struct Patches {
+    pub(crate) all: Vec<Patch>,
+    pub(crate) control_plane: Vec<Patch>,
+}
+
+fn render(patches: Vec<Patch>, env: &Environment, cluster: &Cluster, node: &Node) -> Vec<Patch> {
+    patches
+        .into_iter()
+        .map(|patch| {
+            if let Patch::Name(name) = patch {
+                let content = env
+                    .get_template(&name)
+                    .unwrap()
+                    .render(context! {
+                        node,
+                        cluster
+                    })
+                    .unwrap();
+
+                Patch::Resolved(serde_yaml::from_str(&content).unwrap())
+            } else {
+                patch
+            }
+        })
+        .collect()
+}
+
+impl Patches {
+    pub(crate) fn extend(mut self, other: Self) -> Self {
+        self.all.extend(other.all);
+        self.control_plane.extend(other.control_plane);
+
+        Self {
+            all: self.all,
+            control_plane: self.control_plane,
+        }
+    }
+
+    pub(crate) fn render(self, env: &Environment, cluster: &Cluster, node: &Node) -> Self {
+        Self {
+            all: render(self.all.clone(), env, cluster, node),
+            control_plane: render(self.control_plane.clone(), env, cluster, node),
+        }
+    }
+}