feat: allow overriding revisionHistoryLimit

CHANGELOG.md

@@ -3,6 +3,11 @@
 
 All notable changes to this project will be documented here.
 
+### v2.1.17
+- feat: allow overriding revisionHistoryLimit [PR-257](https://github.com/stakater/application/pull/257)
+
+  > Caution: This PR changes the default value for `revisionHistoryLimit` from 10 to 2.
+
 ### v2.1.16
 - fix: optional service account [PR-213](https://github.com/stakater/application/pull/213)
 

README.md

@@ -51,6 +51,7 @@ To uninstall the chart:
 | deployment.env                      | Environment variables to be passed to the app container                                                                                    | `{}`           |
 | deployment.volumes                  | Volumes to be added to the pod                                                                                                             | `{}`           |
 | deployment.volumeMounts             | Mount path for Volumes                                                                                                                     | `{}`           |
+| deployment.revisionHistoryLimit     | The number of old history to retain to allow rollback                                                                                      | `2`            |
 | deployment.command                  | Command for primary container of deployment                                                                                                | `[]`           |
 | deployment.args                     | Arg for primary container of deployment                                                                                                    | `[]`           |
 | deployment.tolerations              | Taint tolerations for nodes                                                                                                                | `[]`           |

application/templates/deployment.yaml

@@ -1,4 +1,4 @@
-{{- if (.Values.deployment).enabled }}
+{{- if .Values.deployment.enabled }}
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -28,6 +28,9 @@ spec:
   {{- if .Values.deployment.strategy }}
   strategy:
 {{ toYaml .Values.deployment.strategy | indent 4 }}
+  {{- end }}
+  {{- if not (kindIs "invalid" .Values.deployment.revisionHistoryLimit) }}
+  revisionHistoryLimit: {{ .Values.deployment.revisionHistoryLimit }}
   {{- end }}
   template:
     metadata:

application/values.yaml

@@ -187,6 +187,9 @@ deployment:
     #       values:
     #       - ssd
 
+  # Number of ReplicaSet versions to retain
+  revisionHistoryLimit: 2
+
   # Image of the app container
   image: 
     repository: repository/image-name