Splunk Operator 2.7.1 release

[github-actions]

Release: Splunk Operator 2.7.1 Pre-Release

Overview

This pull request introduces the pre-release of Splunk Operator version 2.7.1. This release brings new features, enhancements, and bug fixes that improve the functionality and reliability of the Splunk Operator.

Key Features and Bug Fixes

• CSPL-3064 - Support for Distroless Image Creation in Splunk Operator for Kubernetes

  • Adds support for creating a distroless image for the Splunk Operator for Kubernetes alongside the existing UBI (Universal Base Image) image.

• CSPL-2966 - Manual App Updates per Custom Resource (CR) in Splunk Operator

  • Introduces a feature allowing for manual app deployment updates on a per-custom-resource (CR) basis for the Splunk Operator.

• CSPL-3156 - Add kubectl-splunk Plugin for Executing Splunk Commands within Kubernetes Pods

  • Introduces comprehensive support for the Splunk plugin within kubectl, enabling seamless interaction and management of Splunk instances deployed in Kubernetes clusters.

• CSPL-3256 - Support to configure deployer spec in SHC CRD

  • Adds support to explicitly add resource spec and node affinity config capability(for deployer) within the SHC CRD.

• CSPL-3253: Change default storageClassName value in PVC

  • Changes storageClassName value from "default" to "". As a result PVC should automatically use a default storageClass configured on the cluster if value is not overwritten.

• CSPL-2920: Add support for ARM64 pipelines

  • Add arm64 pipelines for smoke and integration testing for ubuntu and AL2023

Pre-Release Tasks Completed

• Version Upgrade
  • Bumped the Splunk Operator version to 2.7.1 across all relevant files and documentation.
• Helm Chart Updates
  • Updated Helm charts to incorporate new features and fixes.
  • Verified that the charts deploy successfully in various environments.
• Testing
  • All smoke tests, integration tests, and Helm test pipelines have been executed and are passing.
  • Conducted thorough testing of all merged features to ensure stability and performance.
• Performance Testing
  • Performance testing was not completed for this minor version release.
• Splunk Enterprise Version
  • Updated the default Splunk Enterprise version to 9.4.0 in the operator deployment for compatibility and feature support.

Notes for Reviewers

• Ensure that all new features are functioning as expected and that there are no regressions.
• Review the updated documentation for accuracy and completeness.
• Verify that the Helm chart modifications align with best practices.
• Confirm that all automated tests are included and passing in the CI pipeline.

[akondur]

Looks good. I would double check for references of 9.3.0 and 2.7.0 to make sure that there aren't any stale references left.

[rlieberman-splunk]

@patrykw-splunk please check if we want this default.v1 line to be in the annotations or not.