From 93c8b87c7f2c352ed23670b13c98a787034bd1cc Mon Sep 17 00:00:00 2001
From: Peter Rifel <rifelpet@users.noreply.github.com>
Date: Sat, 14 Mar 2020 08:16:34 -0500
Subject: [PATCH] [stable/kube-state-metrics] Add PodDisruptionBudget (#21340)

Signed-off-by: Peter Rifel <pgrifel@gmail.com>
Signed-off-by: Miguel Mingorance <miguel.mingorance@deliveryhero.com>
---
 stable/kube-state-metrics/Chart.yaml         |  2 +-
 stable/kube-state-metrics/README.md          |  1 +
 stable/kube-state-metrics/templates/pdb.yaml | 17 +++++++++++++++++
 stable/kube-state-metrics/values.yaml        |  3 +++
 4 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 stable/kube-state-metrics/templates/pdb.yaml

diff --git a/stable/kube-state-metrics/Chart.yaml b/stable/kube-state-metrics/Chart.yaml
index 69c07eae7ce2..f22c26b42016 100644
--- a/stable/kube-state-metrics/Chart.yaml
+++ b/stable/kube-state-metrics/Chart.yaml
@@ -6,7 +6,7 @@ keywords:
 - monitoring
 - prometheus
 - kubernetes
-version: 2.8.1
+version: 2.8.2
 appVersion: 1.9.5
 home: https://github.com/kubernetes/kube-state-metrics/
 sources:
diff --git a/stable/kube-state-metrics/README.md b/stable/kube-state-metrics/README.md
index 9038c5f25e9a..c7d21dd51a45 100644
--- a/stable/kube-state-metrics/README.md
+++ b/stable/kube-state-metrics/README.md
@@ -38,6 +38,7 @@ $ helm install stable/kube-state-metrics
 | `affinity`                                   | Affinity settings for pod assignment                                                  | {}                                         |
 | `tolerations`                                | Tolerations for pod assignment                                                        | []                                         |
 | `podAnnotations`                             | Annotations to be added to the pod                                                    | {}                                         |
+| `podDisruptionBudget`                        | Optional PodDisruptionBudget                                                          | {}                                         |
 | `resources`                                  | kube-state-metrics resource requests and limits                                       | {}                                         |
 | `collectors.certificatesigningrequests`      | Enable the certificatesigningrequests collector.                                      | `true`                                     |
 | `collectors.configmaps`                      | Enable the configmaps collector.                                                      | `true`                                     |
diff --git a/stable/kube-state-metrics/templates/pdb.yaml b/stable/kube-state-metrics/templates/pdb.yaml
new file mode 100644
index 000000000000..6adb50d79f04
--- /dev/null
+++ b/stable/kube-state-metrics/templates/pdb.yaml
@@ -0,0 +1,17 @@
+{{- if .Values.podDisruptionBudget -}}
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ template "kube-state-metrics.fullname" . }}
+  namespace: {{ template "kube-state-metrics.namespace" . }}
+  labels:
+    app.kubernetes.io/name: {{ template "kube-state-metrics.name" . }}
+    helm.sh/chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    app.kubernetes.io/instance: "{{ .Release.Name }}"
+    app.kubernetes.io/managed-by: "{{ .Release.Service }}"
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ template "kube-state-metrics.name" . }}
+{{ toYaml .Values.podDisruptionBudget | indent 2 }}
+{{- end -}}
\ No newline at end of file
diff --git a/stable/kube-state-metrics/values.yaml b/stable/kube-state-metrics/values.yaml
index ebcebed57e15..11f20fa3ead6 100644
--- a/stable/kube-state-metrics/values.yaml
+++ b/stable/kube-state-metrics/values.yaml
@@ -86,6 +86,9 @@ podAnnotations: {}
 ## Assign a PriorityClassName to pods if set
 # priorityClassName: ""
 
+# Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
+podDisruptionBudget: {}
+
 # Available collectors for kube-state-metrics. By default all available
 # collectors are enabled.
 collectors: