feat: Add eck olm-subscription (#66)

* 1. add elastic-cloud-eck olm-subscription;
2. respect Subscription channel for all components.

* remove duplicated channle value

modules/olm-subscriptions/chart/templates/_helper.tpl

@@ -102,4 +102,15 @@ Get subscription config for zookeeper
 {{- else }}
   {{- toYaml .Values.subscriptionConfig.resources | nindent 6 }}
 {{- end }}
+{{- end }}
+
+{{/*
+Get subscription config for elastic_cloud_eck
+*/}}
+{{- define "subscription.eckResources" -}}
+{{- if .Values.elastic_cloud_eck.config.resources }}
+  {{- toYaml .Values.elastic_cloud_eck.config.resources | nindent 6 }}
+{{- else }}
+  {{- toYaml .Values.subscriptionConfig.resources | nindent 6 }}
+{{- end }}
 {{- end }}

modules/olm-subscriptions/chart/templates/elastic-cloud-eck.yaml

@@ -0,0 +1,43 @@
+# Copyright 2023 StreamNative, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+{{- if and .Values.components.elastic_cloud_eck }}
+apiVersion: operators.coreos.com/v1alpha1
+kind: Subscription
+metadata:
+  name: {{ .Values.elastic_cloud_eck.name }}
+  namespace: {{ .Values.install_namespace }}
+spec:
+  channel: {{ .Values.elastic_cloud_eck.channel | default .Values.channel }}
+  installPlanApproval: {{ .Values.elastic_cloud_eck.approval | default .Values.approval }}  
+  source: {{ .Values.elastic_cloud_eck.source }}
+  sourceNamespace: {{ .Values.olm_namespace }}
+  name: {{ .Values.elastic_cloud_eck.name }}
+  config:
+    {{- if .Values.tolerations }}
+    tolerations:
+{{ toYaml .Values.tolerations | indent 4 }}
+    {{- end }}
+    resources: {{ include "subscription.eckResources" . }}
+    {{- if .Values.elastic_cloud_eck.config.env }}
+    env:
+    {{- toYaml .Values.elastic_cloud_eck.config.env | nindent 4 }}
+    {{- end }}
+    {{- if .Values.elastic_cloud_eck.config.envFrom }}
+    envFrom:
+    {{- toYaml .Values.elastic_cloud_eck.config.envFrom | nindent 4 }}
+    {{- end }}
+{{- end }}

modules/olm-subscriptions/chart/values.yaml

@@ -37,6 +37,7 @@ components:
   flinkSql: true
   zookeeper: true
   sn_operator: true
+  elastic_cloud_eck: true
 
 subscriptionConfig:
   resources:
@@ -96,3 +97,8 @@ sn_operator:
   source: sn-catalog
   name: sn-operator
   config: {}
+
+elastic_cloud_eck:
+  source: operatorhubio-catalog
+  name: elastic-cloud-eck
+  config: {}