Merge pull request #8651 from itstrueitstrueitsrealitsreal/update-charts-3

feat(chart): add PodDisruptionBudget chart for admission controller

Author: k8s-ci-robot

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.2.0
+version: 0.3.0
 
 # 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

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/README.md

@@ -4,7 +4,7 @@ WARNING: This chart is currently under development and is not ready for producti
 
 Automatically adjust resources for your workloads
 
-![Version: 0.2.0](https://img.shields.io/badge/Version-0.2.0-informational?style=flat-square)
+![Version: 0.3.0](https://img.shields.io/badge/Version-0.3.0-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 ![AppVersion: 1.5.1](https://img.shields.io/badge/AppVersion-1.5.1-informational?style=flat-square)
 
@@ -30,8 +30,11 @@ The Vertical Pod Autoscaler (VPA) automatically adjusts the CPU and memory resou
 | admissionController.image.tag | string | `nil` |  |
 | admissionController.nodeSelector | object | `{}` |  |
 | admissionController.podAnnotations | object | `{}` |  |
+| admissionController.podDisruptionBudget.enabled | bool | `true` |  |
+| admissionController.podDisruptionBudget.maxUnavailable | int or string | `nil` | Maximum number/percentage of pods that can be unavailable after the eviction. IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both. |
+| admissionController.podDisruptionBudget.minAvailable | int or string | `1` | Minimum number/percentage of pods that must be available after the eviction. IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both. |
 | admissionController.podLabels | object | `{}` |  |
-| admissionController.replicas | int | `1` |  |
+| admissionController.replicas | int | `2` |  |
 | admissionController.resources.limits.cpu | string | `"200m"` |  |
 | admissionController.resources.limits.memory | string | `"500Mi"` |  |
 | admissionController.resources.requests.cpu | string | `"50m"` |  |

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/templates/admission-controller-pdb.yaml

@@ -0,0 +1,22 @@
+{{- if and .Values.admissionController.enabled .Values.admissionController.podDisruptionBudget.enabled -}}
+{{- if and .Values.admissionController.podDisruptionBudget.minAvailable .Values.admissionController.podDisruptionBudget.maxUnavailable }}
+    {{- fail "Only one of admissionController.podDisruptionBudget.minAvailable or admissionController.podDisruptionBudget.maxUnavailable should be set." }}
+{{- end }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "vertical-pod-autoscaler.admissionController.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "vertical-pod-autoscaler.admissionController.selectorLabels" . | nindent 6 }}
+  {{- if and .Values.admissionController.podDisruptionBudget.minAvailable (not .Values.admissionController.podDisruptionBudget.maxUnavailable) }}
+  minAvailable: {{ .Values.admissionController.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if and .Values.admissionController.podDisruptionBudget.maxUnavailable (not .Values.admissionController.podDisruptionBudget.minAvailable) }}
+  maxUnavailable: {{ .Values.admissionController.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+{{- end -}}

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/values.yaml

@@ -42,7 +42,7 @@ admissionController:
         targetPort: 8000
 
   # Number of Admission Controller replicas to create.
-  replicas: 1
+  replicas: 2
 
   # Labels to add to the Admission Controller pod.
   podLabels: {}
@@ -85,3 +85,13 @@ admissionController:
     - name: tls-certs
       mountPath: /etc/tls-certs
       readOnly: true
+
+  podDisruptionBudget:
+    enabled: true
+    # -- (int or string) Minimum number/percentage of pods that must be available after the eviction.
+    # IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both.
+    minAvailable: 1
+    # -- (int or string) Maximum number/percentage of pods that can be unavailable after the eviction.
+    # IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both.
+    maxUnavailable:
+    # maxUnavailable: 1