From c2ccb37cc71c6479128b3d6a02333721383e594e Mon Sep 17 00:00:00 2001
From: Christoph Voigt <voigt.christoph@gmail.com>
Date: Fri, 10 Nov 2023 14:25:34 +0100
Subject: [PATCH] add optional resource PodDisruptionBudget

---
 templates/poddistruptionbudget.yaml | 21 +++++++++++++++++++++
 values.yaml                         | 11 +++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 templates/poddistruptionbudget.yaml

diff --git a/templates/poddistruptionbudget.yaml b/templates/poddistruptionbudget.yaml
new file mode 100644
index 0000000..2799de1
--- /dev/null
+++ b/templates/poddistruptionbudget.yaml
@@ -0,0 +1,21 @@
+{{- if .Values.podDisruptionBudget.enabled -}}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "krakend.fullname" . }}
+  labels:
+    {{- include "krakend.labels" . | nindent 4 }}
+spec:
+  {{- if .Values.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if .Values.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+  {{- if not (eq .Values.podDisruptionBudget.unhealthyPodEvictionPolicy "") }}
+  unhealthyPodEvictionPolicy: {{ .Values.podDisruptionBudget.unhealthyPodEvictionPolicy }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "krakend.selectorLabels" . | nindent 6 }}
+{{- end }}
\ No newline at end of file
diff --git a/values.yaml b/values.yaml
index e878f8a..e571363 100644
--- a/values.yaml
+++ b/values.yaml
@@ -227,6 +227,17 @@ readinessProbe:
     path: /__health
     port: http
 
+# -- (object) podDisruptionBudget allows you to define minumum and maximum available pods
+podDisruptionBudget:
+  # -- (bool) Set to true to create a default ServiceMonitor for your application
+  enabled: false
+  # -- minimum available pods
+  minAvailable: 1
+  # -- maximum available pods
+  maxUnavailable: ""
+  # -- UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods should be considered for eviction
+  unhealthyPodEvictionPolicy: ""
+
 # -- (object) The serviceMonitor configures a ServiceMonitor for your application
 serviceMonitor:
   # -- (bool) Set to true to create a default ServiceMonitor for your application