From 125c69ee4b870fdb3ab3afddd2b7c7a21bd4958e Mon Sep 17 00:00:00 2001
From: Matteo Ruina <matteo.ruina@gmail.com>
Date: Tue, 31 May 2022 15:47:46 +0200
Subject: [PATCH] Add pdb

---
 charts/kms-issuer/README.md          |  2 ++
 charts/kms-issuer/ci/dev-values.yaml |  3 +++
 charts/kms-issuer/templates/pdb.yaml | 22 ++++++++++++++++++++++
 charts/kms-issuer/values.yaml        |  4 ++++
 4 files changed, 31 insertions(+)
 create mode 100644 charts/kms-issuer/templates/pdb.yaml

diff --git a/charts/kms-issuer/README.md b/charts/kms-issuer/README.md
index 2ca05f9..ea04d09 100644
--- a/charts/kms-issuer/README.md
+++ b/charts/kms-issuer/README.md
@@ -27,6 +27,8 @@ A Helm chart to install kms-issuer
 | nameOverride | string | `""` |  |
 | nodeSelector | object | `{}` |  |
 | podAnnotations | object | `{}` |  |
+| podDisruptionBudget.enable | bool | `false` |  |
+| podDisruptionBudget.minAvailable | int | `1` |  |
 | replicaCount | int | `1` |  |
 | resources | object | `{}` |  |
 | serviceAccount.annotations | object | `{}` |  |
diff --git a/charts/kms-issuer/ci/dev-values.yaml b/charts/kms-issuer/ci/dev-values.yaml
index be20def..53b5aec 100644
--- a/charts/kms-issuer/ci/dev-values.yaml
+++ b/charts/kms-issuer/ci/dev-values.yaml
@@ -6,3 +6,6 @@ image:
 env:
   - name: AWS_REGION
     value: test-region
+
+podDisruptionBudget:
+  enable: true
diff --git a/charts/kms-issuer/templates/pdb.yaml b/charts/kms-issuer/templates/pdb.yaml
new file mode 100644
index 0000000..427f493
--- /dev/null
+++ b/charts/kms-issuer/templates/pdb.yaml
@@ -0,0 +1,22 @@
+
+{{- if .Values.podDisruptionBudget.enable }}
+---
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "kms-issuer.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    control-plane: {{ include "kms-issuer.fullname" . }}-controller-manager
+    {{- include "kms-issuer.labels" . | nindent 4 }}
+spec:
+  {{- if .Values.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if .Values.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      control-plane: {{ include "kms-issuer.fullname" . }}-controller-manager
+{{- end }}
\ No newline at end of file
diff --git a/charts/kms-issuer/values.yaml b/charts/kms-issuer/values.yaml
index c29c56b..9528868 100644
--- a/charts/kms-issuer/values.yaml
+++ b/charts/kms-issuer/values.yaml
@@ -70,3 +70,7 @@ nodeSelector: {}
 tolerations: []
 
 affinity: {}
+
+podDisruptionBudget:
+  enable: false
+  minAvailable: 1