remove hefty CPU requirements

src/schematic/component.rs

@@ -506,8 +506,8 @@ type ExtendedResources = Vec<ExtendedResource>;
 #[serde(rename_all = "camelCase")]
 #[serde(default)]
 pub struct Resources {
-    pub cpu: CPU,
-    pub memory: Memory,
+    pub cpu: Option<CPU>,
+    pub memory: Option<Memory>,
     pub gpu: Option<GPU>,
     pub volumes: Option<Vec<Volume>>,
     pub extended: Option<ExtendedResources>,
@@ -516,8 +516,13 @@ pub struct Resources {
 impl Resources {
     fn to_resource_requirements(&self) -> core::ResourceRequirements {
         let mut requests = BTreeMap::new();
-        requests.insert("cpu".to_string(), Quantity(self.cpu.required.clone()));
-        requests.insert("memory".to_string(), Quantity(self.memory.required.clone()));
+
+        self.cpu.clone().and_then(|cpu|{
+            requests.insert("cpu".to_string(), Quantity(cpu.required.clone()))
+        });
+        self.memory.clone().and_then(|mem|{
+            requests.insert("memory".to_string(), Quantity(mem.required.clone()))
+        });
 
         // TODO: Kubernetes does not have a built-in type for GPUs. What do we use?
         core::ResourceRequirements {
@@ -530,12 +535,8 @@ impl Resources {
 impl Default for Resources {
     fn default() -> Self {
         Resources {
-            cpu: CPU {
-                required: "1".into(),
-            },
-            memory: Memory {
-                required: "1G".into(),
-            },
+            cpu: None,
+            memory: None,
             gpu: None,
             volumes: None,
             extended: None,

src/schematic/component_test.rs

@@ -175,8 +175,8 @@ fn test_container_deserialize() {
 
     let res = &container.resources;
 
-    assert_eq!("2G", res.memory.required);
-    assert_eq!("1", res.cpu.required);
+    assert_eq!("2G", res.memory.as_ref().expect("memory should be set").required);
+    assert!(res.cpu.is_none());
 
     let vols = res.volumes.clone().expect("expected volumes");
     let path1 = vols.get(0).expect("expect a first volume");
@@ -505,8 +505,8 @@ fn test_to_volume_mounts() {
         name: "test_container".into(),
         image: "test/image".into(),
         resources: Resources{
-            cpu: CPU {required: "1".into()},
-            memory: Memory {required: "128".into()},
+            cpu: Some(CPU {required: "1".into()}),
+            memory: Some(Memory {required: "128".into()}),
             gpu: Some(GPU {required: "0".into()}),
             volumes: Some(vec![Volume{
                 name: "myvol".into(),

src/schematic/configuration_test.rs

@@ -41,4 +41,4 @@ fn test_application_configuration() {
     .expect("JSON must parse");
 
     assert!(conf.variables.is_some());
-}
+}