Shorten digest versions in app version label (#185)

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 6.2.2
+
+-  `app.kubernetes.io/version` shortens any potential digest hash to 7 characters to avoid hitting the 63 character label limit.
+
 # 6.2.1
 
 - Fixed some situations where disabling all bitnami charts caused it to error.

Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time
 # you make changes to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 6.2.1
+version: 6.2.2
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

templates/_helpers.tpl

@@ -48,7 +48,7 @@ helm.sh/chart: {{ include "mastodon.chart" . }}
 {{ include "mastodon.selectorLabels" . }}
 {{ include "mastodon.globalLabels" . }}
 {{- if .Values.image.tag }}
-app.kubernetes.io/version: {{ .Values.image.tag | quote }}
+app.kubernetes.io/version: {{ regexReplaceAll "@(\\w+:\\w{0,7})\\w*" .Values.image.tag "@${1}" | quote }}
 {{- else if .Chart.AppVersion }}
 app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}