Intrinsics Reference

Values proxy

import { values } from "@intentius/chant-lexicon-helm";

values.replicaCount           // {{ .Values.replicaCount }}
values.image.repository       // {{ .Values.image.repository }}
values.x.pipe("upper")        // {{ .Values.x | upper }}

Built-in objects

import { Release, ChartRef } from "@intentius/chant-lexicon-helm";

Release.Name         // {{ .Release.Name }}
Release.Namespace    // {{ .Release.Namespace }}
Release.IsUpgrade    // {{ .Release.IsUpgrade }}
ChartRef.Name        // {{ .Chart.Name }}
ChartRef.Version     // {{ .Chart.Version }}

Template functions

Function	Output
include("name")	{{ include "name" . }}
required("msg", values.x)	{{ required "msg" .Values.x }}
helmDefault("val", values.x)	{{ default "val" .Values.x }}
toYaml(values.x)	{{ toYaml .Values.x }}
toYaml(values.x, 12)	{{ toYaml .Values.x | nindent 12 }}
quote(values.x)	{{ .Values.x | quote }}
printf("%s:%s", a, b)	{{ printf "%s:%s" a b }}
tpl(values.x)	{{ tpl .Values.x . }}
lookup("v1", "Secret", "ns", "name")	{{ lookup "v1" "Secret" "ns" "name" }}

Control flow

import { If, Range, With, values } from "@intentius/chant-lexicon-helm";

// Conditional resource
export const ingress = If(values.ingress.enabled, new Ingress({ ... }));

// Conditional value
const image = If(values.image.tag, printf("%s:%s", values.image.repo, values.image.tag));

Resource ordering

Function	Output
withOrder(5)	helm.sh/hook: pre-install,pre-upgrade + helm.sh/hook-weight: "5"
argoWave(2)	argocd.argoproj.io/sync-wave: "2"

import { withOrder, argoWave } from "@intentius/chant-lexicon-helm";

const job = new Job({
  metadata: { annotations: { ...withOrder(-5) } },
  // ...
});