Add namespace template

ns-template/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

ns-template/Chart.yaml

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+apiVersion: v2
+name: ns-template
+description: A Helm chart which installs namespace
+annotations:
+  cluster-template: true
+type: application
+version: 0.0.1

ns-template/templates/namespace.yaml

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+kind: Namespace
+metadata:
+  name: {{ .Release.Namespace }}-{{ .Release.Name }}

ns-template/templates/role.yaml

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+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: ns-role
+rules:
+  - verbs:
+      - create
+      - get
+      - update
+    apiGroups:
+      - submariner.io
+    resources:
+      - brokers

ns-template/values.schema.json

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+{
+    "$schema": "http://json-schema.org/schema#",
+    "type": "object",
+    "required": [
+      "ocpVersion"
+    ],
+    "properties": {
+      "ocpVersion": {
+        "type": "string"
+      }
+    }
+  }

ns-template/values.yaml

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+# Default values for demo-template.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+#An OCP version to deploy
+ocpVersion: 4.14.0-rc.7