feat(helm): add OpenSearch Operator Helm chart

opensearch/README.md

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+---
+title: OpenSearch
+---
+
+An OpenSearch plugin that sets up an OpenSearch environment using the OpenSearch Operator to automate deployment, provisioning, management, and orchestration of OpenSearch clusters and dashboards.
+It functions as the backend for logs gathered by collectors such as the OpenTelemetry collectors, enabling storage and visualization of logs for Greenhouse-onboarded Kubernetes clusters.
+
+The main terminologies used in this document can be found in [core-concepts](https://cloudoperators.github.io/greenhouse/docs/getting-started/core-concepts).
+
+## Overview
+
+Components included in this Plugin:
+
+- [Operator](https://github.com/opensearch-project/opensearch-k8s-operator)
+
+## Architecture
+
+TBD
+
+## Note
+
+It is the intention to add more configuration over time and contributions of your very own configuration is highly appreciated. If you discover bugs or want to add functionality to the plugin, feel free to create a pull request.
+
+## Quick Start
+
+TBD
+
+### Prerequisites
+
+TBD
+
+### Configuration
+
+TBD
+
+### Examples
+
+TBD

opensearch/chart/Chart.lock

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+dependencies:
+- name: opensearch-operator
+  repository: https://opensearch-project.github.io/opensearch-k8s-operator/
+  version: 2.7.0
+- name: opensearch-cluster
+  repository: https://opensearch-project.github.io/opensearch-k8s-operator/
+  version: 3.0.0
+digest: sha256:90fbf8efd069b35ea52d4fd9babec479debcca1c199383a7f587f8720756743d
+generated: "2024-11-27T15:48:06.046957+01:00"

opensearch/chart/Chart.yaml

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+# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: v2
+name: opensearch-operator
+version: 2.6.0
+description: A Helm chart for the OpenSearch operator
+type: application
+maintainers:
+- name: timojohlo
+- name: kuckkuck
+- name: joluc
+home: https://github.com/sapcc/helm-charts/tree/master/system/opensearch-operator
+sources:
+  - https://github.com/opensearch-project/opensearch-k8s-operator
+appVersion: 2.6.0
+dependencies:
+  - name: opensearch-operator
+    repository: https://opensearch-project.github.io/opensearch-k8s-operator/ # TODO: Move to -> oci://ghcr.io/cloudoperators/greenhouse-extensions/charts
+    version: 2.7.0
+  - name: opensearch-cluster
+    repository: https://opensearch-project.github.io/opensearch-k8s-operator/ # TODO: Move to -> oci://ghcr.io/cloudoperators/greenhouse-extensions/charts
+    version: 3.0.0

opensearch/chart/crds/opensearch.opster.io_opensearchactiongroups.yaml

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+# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors
+# SPDX-License-Identifier: Apache-2.0
+
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.14.0
+  name: opensearchactiongroups.opensearch.opster.io
+spec:
+  group: opensearch.opster.io
+  names:
+    kind: OpensearchActionGroup
+    listKind: OpensearchActionGroupList
+    plural: opensearchactiongroups
+    shortNames:
+    - opensearchactiongroup
+    singular: opensearchactiongroup
+  scope: Namespaced
+  versions:
+  - name: v1
+    schema:
+      openAPIV3Schema:
+        description: OpensearchActionGroup is the Schema for the opensearchactiongroups
+          API
+        properties:
+          apiVersion:
+            description: |-
+              APIVersion defines the versioned schema of this representation of an object.
+              Servers should convert recognized schemas to the latest internal value, and
+              may reject unrecognized values.
+              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
+            type: string
+          kind:
+            description: |-
+              Kind is a string value representing the REST resource this object represents.
+              Servers may infer this from the endpoint the client submits requests to.
+              Cannot be updated.
+              In CamelCase.
+              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
+            type: string
+          metadata:
+            type: object
+          spec:
+            description: OpensearchActionGroupSpec defines the desired state of OpensearchActionGroup
+            properties:
+              allowedActions:
+                items:
+                  type: string
+                type: array
+              description:
+                type: string
+              opensearchCluster:
+                description: |-
+                  LocalObjectReference contains enough information to let you locate the
+                  referenced object inside the same namespace.
+                properties:
+                  name:
+                    description: |-
+                      Name of the referent.
+                      More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
+                      TODO: Add other useful fields. apiVersion, kind, uid?
+                    type: string
+                type: object
+                x-kubernetes-map-type: atomic
+              type:
+                type: string
+            required:
+            - allowedActions
+            - opensearchCluster
+            type: object
+          status:
+            description: OpensearchActionGroupStatus defines the observed state of
+              OpensearchActionGroup
+            properties:
+              existingActionGroup:
+                type: boolean
+              managedCluster:
+                description: |-
+                  UID is a type that holds unique ID values, including UUIDs.  Because we
+                  don't ONLY use UUIDs, this is an alias to string.  Being a type captures
+                  intent and helps make sure that UIDs and names do not get conflated.
+                type: string
+              reason:
+                type: string
+              state:
+                type: string
+            type: object
+        type: object
+    served: true
+    storage: true
+    subresources:
+      status: {}