add the ability to set update strategy (#44)

Author: pstetsuk-exadel

charts/localstack/Chart.yaml

@@ -2,7 +2,7 @@ annotations:
   category: Infrastructure
 apiVersion: v2
 appVersion: latest
-version: 0.3.6
+version: 0.3.7
 name: localstack
 description: LocalStack - a fully functional local AWS cloud stack
 type: application

charts/localstack/README.md

@@ -78,6 +78,7 @@ The following table lists the configurable parameters of the Localstack chart an
 | Parameter                                            | Description                                                                                                                                                                                                                           | Default                                                 |
 |------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------|
 | `replicaCount`                                       | Number of Localstack pods                                                                                                                                                                                                             | `1`                                                     |
+| `updateStrategy.type`                                | Update strategy type                                                                                                                                                                                                              | `RollingUpdate`                                         |
 | `nodeSelector`                                       | Node labels for pod assignment                                                                                                                                                                                                        | `{}`                                                    |
 | `tolerations`                                        | Tolerations for pod assignment                                                                                                                                                                                                        | `[]`                                                    |
 | `tolerations`                                        | Tolerations for pod assignment                                                                                                                                                                                                        | `[]`                                                    |
@@ -136,6 +137,7 @@ When raising a pull request with a fix or new feature, please make sure to:
 
 ## Change Log
 
+* v0.3.7: Add the ability to set update strategy
 * v0.3.6: Add the ability to deploy extra objects
 * v0.3.5: Add namespace variable to metadata of resources, fix enableStartupScripts check to properly mount the config map volume
 * v0.3.4: Fix volume mounts exclusion and tests

charts/localstack/templates/deployment.yaml

@@ -7,6 +7,7 @@ metadata:
     {{- include "localstack.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.replicaCount }}
+  strategy: {{- include "common.tplvalues.render" (dict "value" .Values.updateStrategy "context" $ ) | nindent 4 }}
   selector:
     matchLabels:
       {{- include "localstack.selectorLabels" . | nindent 6 }}

charts/localstack/values.yaml

@@ -3,6 +3,13 @@
 
 replicaCount: 1
 
+## @param updateStrategy.type deployment strategy type
+## ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#strategy
+## NOTE: Set it to `Recreate` if you use a PV that cannot be mounted on multiple pods
+##
+updateStrategy:
+  type: RollingUpdate
+
 image:
   repository: localstack/localstack
   tag: "latest"