[DO NOT MERGE BEFORE #1606 and #1610] CSPL-3549 Splunk Operator Enhancement – Ingestion and Indexing Separation

[kasiakoziol]

Depends on

• Feature/CSPL-4360 Secret reference for Index & Ingestion separation #1649
• CSPL-4358 Split BusConfiguration CR into 2 CRs - Queue and ObjectStorage #1643
• CSPL-4002 Update Ansible role to ingestor (from standalone) for IngestorCluster #1606

Description

This PR implements a separation between ingestion and indexing services within the Splunk Operator for Kubernetes. The goal is to enable the operator to independently manage the ingestion service while maintaining seamless integration with the indexing service.

Key Changes

• Introduction of new Custom Resource Definition for IngestorCluster, Queue and ObjectStorage
• Support for Remote Queue and Pipeline inputs in IngestorCluster and IndexerCluster via Queue and ObjectStorage reference

Testing and Verification

• Manual tests
• Automated tests

Related Issues

Jira Epic: https://splunk.atlassian.net/browse/CSPL-3549

PR Checklist

• Code changes adhere to the project's coding standards.
• Relevant unit and integration tests are included.
• Documentation has been updated accordingly.
• All tests pass locally.
• The PR description follows the project's guidelines.

[coveralls]

Pull Request Test Coverage Report for Build 19886830081

Details

• 540 of 798 (67.67%) changed or added relevant lines in 12 files are covered.
• 4 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-1.0%) to 85.372%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/splunk/enterprise/types.go	6	8	75.0%
pkg/splunk/enterprise/util.go	18	26	69.23%
pkg/splunk/client/enterprise.go	45	54	83.33%
pkg/splunk/enterprise/busconfiguration.go	71	84	84.52%
internal/controller/indexercluster_controller.go	9	25	36.0%
internal/controller/ingestorcluster_controller.go	74	96	77.08%
internal/controller/busconfiguration_controller.go	28	52	53.85%
pkg/splunk/enterprise/indexercluster.go	90	143	62.94%
pkg/splunk/enterprise/ingestorcluster.go	186	297	62.63%

Files with Coverage Reduction	New Missed Lines	%
pkg/splunk/enterprise/indexercluster.go	4	71.23%

Totals
Change from base Build 19867221926:	-1.0%
Covered Lines:	11270
Relevant Lines:	13201

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💛 - Coveralls