openstack/openstack-helm-infra
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helm-toolkit: Support standard kubernetes/helm labels

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As documented in [1].

Also add quotes around those and existing metadata labels.

[1]: https://docs.helm.sh/chart_best_practices/#standard-labels

Change-Id: I1e195deb23e87567041e237212b5a828bb34f3e8
This commit is contained in:
Sean Eagan 2018-12-03 14:57:07 -06:00 committed by Pete Birley
parent da99ce9a07
commit 75e0c2d0f5
1 changed files with 30 additions and 7 deletions
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37
helm-toolkit/templates/snippets/_kubernetes_metadata_labels.tpl
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@ -16,22 +16,45 @@ limitations under the License.
{{/*
abstract: |
Renders a set of standardised labels
Renders a set of standardised labels as per:
https://docs.helm.sh/chart_best_practices/#standard-labels
values: |
release_group: null
usage: |
{{ tuple . "foo" "bar" | include "helm-toolkit.snippets.kubernetes_metadata_labels" }}
return: |
release_group: RELEASE-NAME
application: foo
component: bar
helm.sh/chart: "CHART-NAME-CHART-VERSION"
app.kubernetes.io/managed-by: "Tiller"
app.kubernetes.io/instance: "RELEASE-NAME"
app.kubernetes.io/version: "APP-VERSION"
app.kubernetes.io/name: "foo"
app.kubernetes.io/component: "bar"
release_group: "RELEASE-NAME"
application: "foo"
component: "bar"
*/}}
{{/* TODO: Remove old deprecated labels after an appropriate migration period */}}
{{- define "helm-toolkit.snippets.kubernetes_metadata_labels" -}}
{{- $envAll := index . 0 -}}
{{- $application := index . 1 -}}
{{- $component := index . 2 -}}
release_group: {{ $envAll.Values.release_group | default $envAll.Release.Name }}
{{- $chart := print $envAll.Chart.Name "-" $envAll.Chart.Version | replace "+" "_" | quote -}}
{{- $_application := index . 1 -}}
{{- $partOf := $envAll.Values.part_of | default $_application | quote -}}
{{- $application := $_application | quote -}}
{{- $component := index . 2 | quote -}}
{{- $instance := $envAll.Values.release_group | default $envAll.Release.Name | quote -}}
{{- $version := $envAll.Chart.AppVersion -}}
{{- $managedBy := $envAll.Release.Service | quote -}}
helm.sh/chart: {{ $chart }}
app.kubernetes.io/managed-by: {{ $managedBy }}
app.kubernetes.io/instance: {{ $instance }}
{{- if $version }}
app.kubernetes.io/version: {{ $version }}
{{- end }}
app.kubernetes.io/name: {{ $application }}
app.kubernetes.io/component: {{ $component }}
app.kubernetes.io/part-of: {{ $partOf }}
release_group: {{ $instance }}
application: {{ $application }}
component: {{ $component }}
{{- end -}}