No other requirements if instance types

charts/karpenter_nodes/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: karpenter_nodes
-version: 1.0.0
+version: 1.0.1
 description: A Helm chart for generating NodeClasses and NodePools for Karpenter
 maintainers:
   - name: nadavbuc

charts/karpenter_nodes/README.md

@@ -63,6 +63,7 @@ Note - Most of the values can be overridden per nodegroup (If not specified, it
 | `instances.cores`              | Allowed cores per instance (`"4"`, `"8"`) | `List(String(int))` | x | ✓ |
 | `instances.capacityType`       | `spot`, `on-demand` (can use both on single provisioner) | `List(String)` | x | ✓ |
 | `instances.operatingSystems`   | Allowed operating systems (`"linux"`, `"windows"`) | `List(String)` | x | ✓ |
+| `instances.instanceTypes`                | Explicit list of instance types to use (ie `m7i.xlarge`) This will ignore all sizing related requirements | `List(String)` | x | ✓ |
 | `availabilityZones`            | Availability Zones to use | `List(String)` | x | ✓ |
 | `expireAfter`                  | Specify how long node should be up before refreshing it [Documentation](https://karpenter.sh/docs/concepts/disruption/#automated-methods) | `String` | x | ✓ |
 | `weight`                       | Specify NodeGroup Weight (default is `1`) | `Integer` | x | ✓ |

charts/karpenter_nodes/examples/argocd_example.yaml

@@ -9,7 +9,7 @@ spec:
   sources:
   - repoURL: 'https://opensource.fiverr.com/public_charts/'
     chart: karpenter_nodes
-    targetRevision: 1.0.0
+    targetRevision: 1.0.1
     helm:
       valueFiles:
       - $values/karpenter_nodes/eks-dev/common.yaml

charts/karpenter_nodes/examples/output/output.yaml

@@ -1104,24 +1104,6 @@ spec:
           value: gpu
           effect: NoSchedule
       requirements:
-        - key: "karpenter.k8s.aws/instance-category"
-          operator: In
-          values:
-          - g
-        - key: "karpenter.k8s.aws/instance-cpu"
-          operator: In
-          values:
-          - "4"
-          - "8"
-          - "12"
-          - "16"
-          - "24"
-          - "32"
-          - "48"
-        - key: karpenter.k8s.aws/instance-generation
-          operator: Gt
-          values:
-          - "3"
         - key: "topology.kubernetes.io/zone"
           operator: In
           values:

charts/karpenter_nodes/templates/nodepool.yaml

@@ -52,6 +52,7 @@ spec:
         {{- end }}
       {{- end }}
       requirements:
+      {{- if not (hasKey $v.instances "instanceTypes") }}
         - key: "karpenter.k8s.aws/instance-category"
           operator: In
           values:
@@ -68,6 +69,7 @@ spec:
           operator: Gt
           values:
           - {{ sub ($v.instances.minGeneration | default $.Values.instances.minGeneration) 1 | quote }}
+      {{- end }}
         - key: "topology.kubernetes.io/zone"
           operator: In
           values:

charts/karpenter_nodes/tests/nodepool_nodes_explicittypes_test.yaml

@@ -0,0 +1,54 @@
+suite: test nodepool - nodes-explicittypes
+templates:
+  - nodepool.yaml
+values:
+  - values.yaml
+
+tests:
+  - it: Verify nodes-explicittypes metadata
+    documentIndex: 1
+    asserts:
+      - isKind:
+          of: NodePool
+      - equal:
+          path: metadata.name
+          value: nodes-explicittypes-amd64
+      - equal:
+          path: spec.template.metadata.labels.cluster
+          value: eks-dev
+      - equal:
+          path: spec.template.metadata.labels.nodegroup
+          value: nodes-explicittypes
+      - equal:
+          path: spec.template.spec.nodeClassRef.name
+          value: default
+
+  - it: Verify nodes-explicittypes requirements
+    documentIndex: 1
+    asserts:
+      - equal:
+          path: spec.template.spec.requirements[0].key
+          value: "topology.kubernetes.io/zone"
+      - equal:
+          path: spec.template.spec.requirements[1].key
+          value: "kubernetes.io/arch"
+      - equal:
+          path: spec.template.spec.requirements[2].key
+          value: "karpenter.sh/capacity-type"
+      - equal:
+          path: spec.template.spec.requirements[3].key
+          value: "kubernetes.io/os"
+      - equal:
+          path: spec.template.spec.requirements[4].key
+          value: "karpenter.k8s.aws/instance-size"
+      - equal:
+          path: spec.template.spec.requirements[5].key
+          value: "node.kubernetes.io/instance-type"
+      - equal:
+          path: spec.template.spec.requirements[5].values[0]
+          value: t3a.large
+      - equal:
+          path: spec.template.spec.requirements[5].values[1]
+          value: t3a.xlarge
+      - isNull:
+          path: spec.template.spec.requirements[6]

charts/karpenter_nodes/tests/nodepool_nodes_noclass_test.yaml

@@ -6,7 +6,7 @@ values:
 
 tests:
   - it: Verify nodes-noclass metadata
-    documentIndex: 1
+    documentIndex: 2
     asserts:
       - isKind:
           of: NodePool
@@ -24,7 +24,7 @@ tests:
           value: default
 
   - it: Verify nodes-noclass requirements
-    documentIndex: 1
+    documentIndex: 2
     asserts:
       - equal:
           path: spec.template.spec.requirements[0].key

charts/karpenter_nodes/tests/nodepool_nodes_workers_test.yaml

@@ -6,7 +6,7 @@ values:
 
 tests:
   - it: Verify nodes-workers metadata
-    documentIndex: 2
+    documentIndex: 3
     asserts:
       - isKind:
           of: NodePool
@@ -60,7 +60,7 @@ tests:
 
 
   - it: Verify nodes-workers requirements
-    documentIndex: 2
+    documentIndex: 3
     asserts:
       - equal:
           path: spec.template.spec.requirements[0].key
@@ -162,7 +162,7 @@ tests:
 
 
   - it: Verify nodes-workers kubelet
-    documentIndex: 2
+    documentIndex: 3
     asserts:
       - equal:
           path: spec.template.spec.kubelet.systemReserved.cpu
@@ -178,7 +178,7 @@ tests:
           value: "2.2.2.2"
 
   - it: Verify nodes-workers Options
-    documentIndex: 2
+    documentIndex: 3
     asserts:
       - equal:
           path: spec.disruption.expireAfter