feat: add support for region k8s annotations

k8s/argo-workflows/benchmark-workflow.yaml

@@ -48,7 +48,9 @@ spec:
       # to largest. This can save significant amounts of time when running on a cluster with autoscaling.
       - name: orderBy
         value: '["networkSize", "seeders", "fileSize"]'
-
+      # The region in which to deploy machines. Leave empty to deploy to default.
+      - name: region
+        value: ""
 
   templates:
     - name: benchmark-workflow
@@ -336,7 +338,8 @@ spec:
             --set experiment.seeders={{inputs.parameters.seeders}}\
             --set experiment.seederSets={{inputs.parameters.seederSets}}\
             --set deployment.minikubeEnv={{workflow.parameters.minikubeEnv}}\
-            --set deployment.nodeTag={{workflow.parameters.nodeTag}}
+            --set deployment.nodeTag={{workflow.parameters.nodeTag}}\
+            --set deployment.region={{workflow.parameters.region}}
 
     - name: wait-for-experiment
       inputs:

k8s/charts/codex/templates/_helpers.tpl

@@ -51,6 +51,9 @@ app.kubernetes.io/name: {{ include "app.name" . }}
 app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- if .Values.deployment.region }}
+topology.kubernetes.io/region: {{ .Values.deployment.region }}
+{{- end }}
 {{- end }}
 
 {{- define "codex-benchmarks.selectorLabels" -}}

k8s/charts/codex/values.yaml

@@ -41,3 +41,6 @@ deployment:
   #     workload: benchmarks
   codexNodePool: {}
   runnerNodePool: {}
+
+  # Region in which to deploy machines. Leave empty to deploy to default.
+  region: ""

k8s/charts/deluge/templates/_helpers.tpl

@@ -43,6 +43,9 @@ app.kubernetes.io/name: {{ include "app.name" . }}
 app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- if .Values.deployment.region }}
+topology.kubernetes.io/region: {{ .Values.deployment.region }}
+{{- end }}
 {{- end }}
 
 {{- define "deluge-benchmarks.selectorLabels" -}}

k8s/charts/deluge/values.yaml

@@ -34,3 +34,6 @@ deployment:
   delugeNodePool: {}
   trackerNodePool: {}
   runnerNodePool: {}
+
+  # Region in which to deploy machines. Leave empty to deploy to default.
+  region: ""