Add draft for central helm library

charts/kubezero-lib/.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/

charts/kubezero-lib/Chart.yaml

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+apiVersion: v2
+name: kubezero-lib
+description: KubeZero helm library - common helm functions and blocks
+type: library
+version: 0.1.0
+home: https://kubezero.com
+icon: https://cdn.zero-downtime.net/assets/logo_small.png
+keywords:
+  - kubezero
+maintainers:
+  - name: Quarky9
+kubeVersion: ">= 1.16.0"

charts/kubezero-lib/README.md

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+kubezero-lib
+============
+KubeZero helm library - common helm functions and blocks
+
+Current chart version is `0.1.0`
+
+Source code can be found [here](https://kubezero.com)
+
+
+
+

charts/kubezero-lib/templates/_helpers.tpl

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+{{- /*
+Common set of labels
+*/ -}}
+{{- define "kubezero-library.labels" -}}
+app.kubernetes.io/name: {{ .name }}
+helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/part-of: kubezero
+{{- end -}}