From 07317f55e1240e8e026aa03ba469bb4fd88ad6e4 Mon Sep 17 00:00:00 2001
From: Caleb Woodbine <calebwoodbine.public@gmail.com>
Date: Sat, 15 May 2021 20:21:37 +1200
Subject: [PATCH] Add PodDisruptionBudget

---
 chart/README.md                               |  3 +++
 .../templates/poddisruptionbudget.yaml        | 25 +++++++++++++++++++
 chart/plausible-analytics/values.yaml         |  5 ++++
 3 files changed, 33 insertions(+)
 create mode 100644 chart/plausible-analytics/templates/poddisruptionbudget.yaml

diff --git a/chart/README.md b/chart/README.md
index 7841100..8a67402 100644
--- a/chart/README.md
+++ b/chart/README.md
@@ -295,6 +295,9 @@ spec:
       minReplicas: 3
       maxReplicas: 10
       targetCPUUtilizationPercentage: 80
+    podDisruptionBudget:
+      enabled: true
+      minAvailable: 2
     ingress:
       enabled: true
       hosts:
diff --git a/chart/plausible-analytics/templates/poddisruptionbudget.yaml b/chart/plausible-analytics/templates/poddisruptionbudget.yaml
new file mode 100644
index 0000000..fd95f50
--- /dev/null
+++ b/chart/plausible-analytics/templates/poddisruptionbudget.yaml
@@ -0,0 +1,25 @@
+{{ if .Values.podDisruptionBudget.enabled }}
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "plausible-analytics.fullname" . }}
+  labels:
+    {{- include "plausible-analytics.labels" . | nindent 4 }}
+{{- if .Values.labels }}
+{{- with .Values.labels }}
+    {{- toYaml . | nindent 4 }}
+{{- end }}
+{{- end }}
+  annotations:
+{{- if .Values.annotations }}
+{{- with .Values.annotations }}
+    {{- toYaml . | nindent 4 }}
+{{- end }}
+{{- end }}
+spec:
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+  maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+  selector:
+    matchLabels:
+      {{- include "plausible-analytics.selectorLabels" . | nindent 6 }}
+{{- end }}
diff --git a/chart/plausible-analytics/values.yaml b/chart/plausible-analytics/values.yaml
index 6fdc69b..5113db4 100644
--- a/chart/plausible-analytics/values.yaml
+++ b/chart/plausible-analytics/values.yaml
@@ -123,6 +123,11 @@ autoscaling:
   targetCPUUtilizationPercentage: 80
   # targetMemoryUtilizationPercentage: 80
 
+podDisruptionBudget:
+  enabled: false
+  minAvailable: 1
+  # maxUnavailable: 3
+
 nodeSelector: {}
 
 tolerations: []