Initial commit

charts/alloy/templates/hpa.yaml

@@ -0,0 +1,83 @@
+{{- $values := (mustMergeOverwrite .Values.alloy (or .Values.agent dict)) -}}
+{{- if and (or (eq .Values.controller.type "deployment") (eq .Values.controller.type "statefulset" )) (or .Values.controller.autoscaling.horizontal.enabled .Values.controller.autoscaling.enabled)  }}
+{{ $autoscaling := .Values.controller.autoscaling }}
+{{- if .Values.controller.autoscaling.horizontal.enabled }}
+{{- $autoscaling = .Values.controller.autoscaling.horizontal }}
+{{- end }}
+{{- if (not (empty $autoscaling.targetMemoryUtilizationPercentage)) }}
+  {{- $_ := $values.resources.requests | required ".Values.alloy.resources.requests is required when using autoscaling." -}}
+  {{- $_ := $values.resources.requests.memory | required ".Values.alloy.resources.requests.memory is required when using autoscaling based on memory utilization." -}}
+  {{- $_ := .Values.configReloader.resources.requests  | required ".Values.configReloader.resources.requests is required when using autoscaling." -}}
+  {{- $_ := .Values.configReloader.resources.requests.memory  | required ".Values.configReloader.resources.requests.memory is required when using autoscaling based on memory utilization." -}}
+{{- end}}
+{{- if (not (empty $autoscaling.targetCPUUtilizationPercentage)) }}
+  {{- $_ := $values.resources.requests | required ".Values.alloy.resources.requests is required when using autoscaling." -}}
+  {{- $_ := $values.resources.requests.cpu | required ".Values.alloy.resources.requests.cpu is required when using autoscaling based on cpu utilization." -}}
+  {{- $_ := .Values.configReloader.resources.requests  | required ".Values.configReloader.resources.requests is required when using autoscaling." -}}
+  {{- $_ := .Values.configReloader.resources.requests.cpu  | required ".Values.configReloader.resources.requests.cpu is required when using autoscaling based on cpu utilization." -}}
+{{- end}}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "alloy.fullname" . }}
+  namespace: {{ include "alloy.namespace" . }}
+  labels:
+    {{- include "alloy.labels" . | nindent 4 }}
+    app.kubernetes.io/component: availability
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: {{ .Values.controller.type  }}
+    name: {{ include "alloy.fullname" . }}
+  {{- with $autoscaling }}
+  minReplicas: {{ .minReplicas }}
+  maxReplicas: {{ .maxReplicas }}
+  behavior:
+    {{- with .scaleDown }}
+    scaleDown:
+      {{- if .policies }}
+      policies:
+        {{- range .policies }}
+        - type: {{ .type }}
+          value: {{ .value }}
+          periodSeconds: {{ .periodSeconds }}
+        {{- end }}
+      selectPolicy: {{ .selectPolicy }}
+      {{- end }}
+      stabilizationWindowSeconds: {{ .stabilizationWindowSeconds }}
+    {{- end }}
+    {{- with .scaleUp }}
+    scaleUp:
+      {{- if .policies }}
+      policies:
+        {{- range .policies }}
+        - type: {{ .type }}
+          value: {{ .value }}
+          periodSeconds: {{ .periodSeconds }}
+        {{- end }}
+      selectPolicy: {{ .selectPolicy }}
+      {{- end }}
+      stabilizationWindowSeconds: {{ .stabilizationWindowSeconds }}
+    {{- end }}
+  metrics:
+    # Changing the order of the metrics will cause ArgoCD to go into a sync loop
+    # memory needs to be first.
+    # More info in: https://github.com/argoproj/argo-cd/issues/1079
+    {{- with .targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ . }}
+    {{- end }}
+    {{- with .targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ . }}
+    {{- end }}
+  {{- end }}
+{{- end }}