[data-prepper] Support configurable initContainers

charts/data-prepper/CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.1]
+### Added
+- Added configurable `initContainers`
+
 ## [0.3.0]
 ### Added
 - Demo pipeline not part of values.yaml. New value `pipelineConfig.demoPipeline` controls creation of demo pipeline.

charts/data-prepper/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.3.0
+version: 0.3.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/data-prepper/README.md

@@ -107,6 +107,7 @@ We welcome contributions! Please read our [CONTRIBUTING.md](../../CONTRIBUTING.m
 | podAnnotations | object | `{}` |  |
 | podLabels | object | `{}` |  |
 | podSecurityContext | object | `{}` |  |
+| initContainers | list | `[]` | Optional list of init containers for the pod | 
 | ports | list | `[{"name":"http-source","port":2021},{"name":"otel-traces","port":21890},{"name":"otel-metrics","port":21891},{"name":"otel-logs","port":21892}]` | Data Prepper ports |
 | ports[0] | object | `{"name":"http-source","port":2021}` | The port that the source is running on. Default value is 2021. Valid options are between 0 and 65535. https://opensearch.org/docs/latest/data-prepper/pipelines/configuration/sources/http-source/ |
 | ports[1] | object | `{"name":"otel-traces","port":21890}` | The port that the otel_trace_source source runs on. Default value is 21890. https://opensearch.org/docs/latest/data-prepper/pipelines/configuration/sources/otel-trace-source/ |

charts/data-prepper/templates/deployment.yaml

@@ -112,3 +112,7 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.initContainers }}
+      initContainers:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

charts/data-prepper/values.yaml

@@ -171,6 +171,8 @@ securityContext: {}
   # runAsNonRoot: true
   # runAsUser: 1000
 
+initContainers: []
+
 service:
   type: ClusterIP