Feature: add element.revisionHistoryLimit parameter (#625)

* add element.revisionHistoryLimit parameter

* helm-docs: automated action

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: jessebot

charts/matrix/Chart.yaml

@@ -8,7 +8,7 @@ sources:
 
 type: application
 
-version: 17.0.1
+version: 17.1.0
 
 # renovate: image=matrixdotorg/synapse
 appVersion: v1.117.0

charts/matrix/README.md

@@ -1,6 +1,6 @@
 # matrix
 
-![Version: 17.0.1](https://img.shields.io/badge/Version-17.0.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.117.0](https://img.shields.io/badge/AppVersion-v1.117.0-informational?style=flat-square)
+![Version: 17.1.0](https://img.shields.io/badge/Version-17.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.117.0](https://img.shields.io/badge/AppVersion-v1.117.0-informational?style=flat-square)
 
 A Helm chart to deploy a Matrix homeserver stack on Kubernetes
 
@@ -438,6 +438,7 @@ A Helm chart to deploy a Matrix homeserver stack on Kubernetes
 | element.probes.startup | object | `{}` |  |
 | element.replicaCount | int | `1` | replicas for element pods |
 | element.resources | object | `{}` |  |
+| element.revisionHistoryLimit | int | `2` | set the revisionHistoryLimit to decide how many replicaSets are kept when you change a deployment. Explicitly setting this field to 0, will result in cleaning up all the history of your Deployment thus that Deployment will not be able to roll back. |
 | element.roomDirectoryServers | list | `["matrix.org"]` | Servers to show in the Explore menu (the current server is always shown) |
 | element.service.port | int | `80` | service port for element |
 | element.service.type | string | `"ClusterIP"` | service type for element |

charts/matrix/templates/element/deployment.yaml

@@ -8,6 +8,7 @@ metadata:
 {{ include "matrix.element.labels" . | indent 4}}
 spec:
   replicas: {{ .Values.element.replicaCount }}
+  revisionHistoryLimit: {{ .Values.element.revisionHistoryLimit }}
   selector:
     matchLabels:
       app.kubernetes.io/name: {{ include "matrix.name" . }}-element

charts/matrix/values.yaml

@@ -1492,6 +1492,12 @@ element:
   # Element Desktop, or any other Matrix clients
   enabled: true
 
+  # -- set the revisionHistoryLimit to decide how many replicaSets are
+  # kept when you change a deployment. Explicitly setting this field to 0,
+  # will result in cleaning up all the history of your Deployment thus that
+  # Deployment will not be able to roll back.
+  revisionHistoryLimit: 2
+
   ingress:
     # -- ingressClassName for the k8s ingress
     className: "nginx"