Replace Stacks ComputeTemplate with ComputeConstraint

tembo-operator/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "controller"
 description = "Tembo Operator for Postgres"
-version = "0.45.1"
+version = "0.46.0"
 edition = "2021"
 default-run = "controller"
 license = "Apache-2.0"
@@ -53,6 +53,7 @@ anyhow = "1.0.72"
 rand = "0.8.5"
 reqwest = { version = "0.11.20", features = ["json", "trust-dns"] }
 utoipa = "3.5.0"
+strum = { version = "0.26.2", features = ["derive"] }
 
 [dev-dependencies]
 assert-json-diff = "2.0.2"

tembo-operator/src/stacks/types.rs

@@ -15,7 +15,8 @@ use utoipa::ToSchema;
 #[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq, ToSchema)]
 pub struct Stack {
     pub name: String,
-    pub compute_templates: Option<Vec<ComputeTemplate>>,
+    /// specifies any resource constraints that should be applied to an instance of the Stack
+    pub compute_constraints: Option<ComputeConstraint>,
     pub description: Option<String>,
     /// Organization hosting the Docker images used in this stack
     /// Default: "tembo"
@@ -94,18 +95,14 @@ fn default_storage() -> String {
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, ToSchema, JsonSchema, PartialEq)]
-pub struct ComputeTemplate {
-    pub cpu: String,
-    pub memory: String,
-    pub instance_class: InstanceClass,
+pub struct ComputeConstraint {
+    pub min: Option<ComputeResource>,
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq, ToSchema)]
-pub enum InstanceClass {
-    #[default]
-    GeneralPurpose,
-    MemoryOptimized,
-    ComputeOptimized,
+#[derive(Clone, Debug, Serialize, Deserialize, ToSchema, JsonSchema, PartialEq)]
+pub struct ComputeResource {
+    pub cpu: Option<String>,
+    pub memory: Option<String>,
 }
 
 #[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq, ToSchema)]