feat: add support for targeting node labels, taints, and affinity

Signed-off-by: Lenin Mehedy <[email protected]>

charts/hedera-network/templates/network-node-statefulset.yaml

@@ -16,6 +16,13 @@ metadata:
   name: network-{{ $node.name }}
   labels:
     app: network-{{ $node.name }}
+  {{- if $.Values.deployment.podLabels }}
+    {{- $.Values.deployment.podLabels | toYaml | nindent 4 }}
+  {{- end }}
+  {{- if $.Values.deployment.podAnnotations }}
+  annotations:
+    {{- $.Values.deployment.podAnnotations | toYaml | nindent 4 }}
+  {{- end }}
 spec:
   replicas: 1
   serviceName: "network-{{ $node.name }}"
@@ -29,6 +36,18 @@ spec:
         fullstack.hedera.com/type: network-node
         fullstack.hedera.com/node-name: {{ $node.name }}
     spec:
+      {{- if $.Values.deployment.nodeSelectors }}
+      nodeSelector:
+      {{- $.Values.deployment.nodeSelectors | toYaml | nindent 8 }}
+      {{- end }}
+      {{- if $.Values.deployment.tolerations }}
+      tolerations:
+      {{- $.Values.deployment.tolerations | toYaml | nindent 8 }}
+      {{- end }}
+      {{- if $.Values.deployment.affinity }}
+      affinity:
+      {{- $.Values.deployment.affinity | toYaml | nindent 8 }}
+      {{- end }}
       terminationGracePeriodSeconds: {{ $.Values.terminationGracePeriodSeconds }}
       volumes:
         - name: hgcapp-storage # change me

charts/hedera-network/values.yaml

@@ -268,6 +268,24 @@ hedera-explorer:
       }
     ]
 
+deployment:
+  podAnnotations: {}
+  podLabels: {}
+  nodeSelectors: {}
+  tolerations:
+    - key: "fullstack-scheduling.io/os"
+      operator: "Equal"
+      value: "linux"
+      effect: "NoSchedule"
+    - key: "fullstack-scheduling.io/role"
+      operator: "Equal"
+      value: "network"
+      effect: "NoSchedule"
+  # Specify pod affinity
+  # Use complete affinity spec starting with key "nodeAffinity:"
+  # Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity
+  affinity: {}
+
 # hedera node configuration
 # Only the name of the node is required. The rest of the configuration will be inherited from `defaults` section
 hedera: