feat: add template common.container

templates/_container.yaml

@@ -0,0 +1,15 @@
+{{/* vim: set filetype=mustache: */}}
+
+{{- define "common.container.tpl" -}}
+name: {{ .Chart.Name }}
+securityContext:
+  {{- toYaml .Values.securityContext | nindent 4 }}
+image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+imagePullPolicy: {{ .Values.image.pullPolicy }}
+resources:
+  {{- toYaml .Values.resources | nindent 4 }}
+{{- end -}}
+
+{{- define "common.container" -}}
+{{- include "common.utils.flattenCall" (list "common.utils.merge" . "common.container.tpl") -}}
+{{- end -}}

templates/_utils.tpl

@@ -0,0 +1,34 @@
+{{/* vim: set filetype=mustache: */}}
+
+{{- /*
+Merge one or more YAML templates and output the result.
+This takes an list of values:
+- the first item is the top context
+- the rest items are template names of the templates, the former one will override the latter.
+*/ -}}
+{{- define "common.utils.merge" -}}
+{{- $top := first . -}}
+{{- $dest := dict -}}
+{{- range (rest .) -}}
+  {{- $src := fromYaml (include . $top) | default (dict) -}}
+  {{- $dest = merge $dest $src -}}
+{{- end -}}
+{{- toYaml $dest -}}
+{{- end -}}
+
+{{- /*
+Flatten list of arguments before rendering the given template.
+This takes an list of values:
+- the first item is the template name to be rendered
+- the second item is either an list of arguments or a single argument
+- the rest items are the appended arguments
+*/ -}}
+{{- define "common.utils.flattenCall" -}}
+{{- $tpl := first . -}}
+{{- $args := index . 1 -}}
+{{- if not (typeIs "[]interface {}" $args) -}}
+  {{- $args = list $args -}}
+{{- end -}}
+{{- $args = concat $args (slice . 2) -}}
+{{- include $tpl $args -}}
+{{- end -}}