Merge pull request #133 from holaplex/mpw/runners-antiaffinity

Mpw/runners antiaffinity

Author: mpwsh

charts/github-runners/Chart.yaml

@@ -19,12 +19,12 @@ type: application
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
 
-version: 0.1.1
+version: 0.1.2
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: 0.1.1
+appVersion: 0.1.2
 sources:
   - https://github.com/holaplex/helm-charts

charts/github-runners/templates/runner.yaml

@@ -8,9 +8,19 @@ kind: RunnerDeployment
 metadata:
   name: {{ $runner.name }}-{{ . }}
   namespace: actions-runner-system
+  labels:
+    arch: {{ . }}
+    organization: {{ $organizationName }}
 spec:
+  replicas: {{ $runner.replicas.min }}
   template:
     spec:
+      repository: {{ $organizationName }}/{{ $runner.repository }}
+      {{- with $runner.extraSpecs }}
+      {{- range $key, $value := . }}
+      {{ $key }}: {{ $value }}
+      {{- end }}
+      {{- end }}
       labels:
       - {{ . }}
       {{- if eq . "amd64" }}
@@ -19,11 +29,24 @@ spec:
       nodeSelector:
         kubernetes.io/arch: {{ . }}
       tolerations:
+      {{- if $runner.extraTolerations }}
+      {{ toYaml $runner.extraTolerations | indent 8 }}
+      {{- end }}
       - key: "kubernetes.io/arch"
         operator: "Equal"
         value: {{ . }}
         effect: "NoSchedule"
-      repository: {{ $organizationName }}/{{ $runner.repository }}
+      topologySpreadConstraints:
+      {{- if $runner.extraConstraints }}
+      {{ toYaml $runner.extraConstraints | indent 8 }}
+      {{- end }}
+      - maxSkew: 1
+        topologyKey: kubernetes.io/hostname
+        whenUnsatisfiable: ScheduleAnyway
+        labelSelector:
+          matchLabels:
+            arch: {{ . }}
+            organization: {{ $organizationName }}
 ---
 apiVersion: actions.summerwind.dev/v1alpha1
 kind: HorizontalRunnerAutoscaler

charts/github-runners/values.yaml

@@ -5,6 +5,9 @@ runners: []
 #   architectures:
 #     - arm64
 #     - amd64
+#   extraTolerations: []
+#   extraConstraints: []
+#   extraSpecs: []
 #   replicas:
 #     min: 0
 #     max: 5