datahaven/deploy/charts/node/templates/_helpers.tpl

{{/*
Expand the name of the chart.
*/}}
{{- define "node.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "node.fullname" -}}
{{- if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $name := default .Chart.Name .Values.nameOverride }}
{{- if contains $name .Release.Name }}
{{- .Release.Name | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
{{- end }}
{{- end }}
{{- end }}

{{/*
Create chart name and version as used by the chart label.
*/}}
{{- define "node.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Common labels
*/}}
{{- define "node.labels" -}}
helm.sh/chart: {{ include "node.chart" . }}
{{ include "node.selectorLabels" . }}
{{ include "node.serviceLabels" . }}
app.kubernetes.io/version: {{ .Values.image.tag | replace ":" "-" | replace "@" "_" | trunc 63 | trimSuffix "-" | trimSuffix "_" | quote }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- if or .Values.node.chainData.pruning ( not ( kindIs "invalid" .Values.node.chainData.pruning ) ) }}
{{- if ge ( int .Values.node.chainData.pruning ) 1 }}
pruning: {{ .Values.node.chainData.pruning | quote }}
{{- else if and ( not ( kindIs "invalid" .Values.node.chainData.pruning ) ) ( eq 0 ( int .Values.node.chainData.pruning ) ) }}
pruning: archive
{{- end }}
{{- end }}
{{- if .Values.node.chainData.database }}
database: {{ .Values.node.chainData.database }}
{{- end }}
{{- end }}

{{/*
Selector labels
*/}}
{{- define "node.selectorLabels" -}}
app.kubernetes.io/name: {{ include "node.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
app.kubernetes.io/component: substrate-node
{{- end }}

{{/*
Service labels
*/}}
{{- define "node.serviceLabels" -}}
chain: {{ .Values.node.chain | required ".Values.node.chain is required!" }}
release: {{ .Release.Name }}
role: {{ .Values.node.role }}
{{- with .Values.extraLabels }}
{{ toYaml . }}
{{- end }}
{{- end }}

{{/*
Create the name of the service account to use
*/}}
{{- define "node.serviceAccountName" -}}
{{- if .Values.serviceAccount.create }}
{{- default (include "node.fullname" .) .Values.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.serviceAccount.name }}
{{- end }}
{{- end }}

{{/*
Create the database path depending on the database backend in use (rocksdb or paritydb)
*/}}
{{- define "node.databasePath" -}}
{{- if eq .Values.node.chainData.database "paritydb" }}
{{- "paritydb" }}
{{- else }}
{{- "db" }}
{{- end }}
{{- end }}

{{/*
Define a regex matcher to check if the passed node flags are managed by the chart already
*/}}
{{- define "node.chartManagedFlagsRegex" -}}
{{- "(\\W|^)(--name|--base-path|--chain|--state-pruning|--validator|--collator|--light|--database|--prometheus-external|--prometheus-port|--node-key|--wasm-runtime-overrides|--jaeger-agent|--rpc-external|--unsafe-rpc-external|--ws-external|--unsafe-ws-external|--rpc-methods|--rpc-cors|--rpc-port|--ws-port|--enable-offchain-indexing)(\\W|$)" }}
{{- end }}


{{/*
Return true if we have collator with Relaychain
*/}}
{{- define "node.hasCollatorRelaychain" -}}
{{- if  and .Values.node.isParachain (not .Values.node.collatorExternalRelayChain.enabled) (not .Values.node.collatorLightClient.enabled) }}
    {{- true -}}
{{- else -}}
{{- end -}}
{{- end -}}

{{/*
Return true if we have a Relaychain, a single Relaychain, or if it's part of a collator.
*/}}
{{- define "node.hasRelaychain" -}}
{{- if  or (not .Values.node.isParachain) (and (not .Values.node.collatorExternalRelayChain.enabled ) (not .Values.node.collatorLightClient.enabled)) }}
    {{- true -}}
{{- else -}}
{{- end -}}
{{- end -}}


{{/*
Function to validate that exclusive keys are defined only once
Parameters:
- $params: list of parameters to validate
*/}}
{{- define "validateExclusiveKeys" -}}
{{- $params := .params -}}
{{- $global := .global -}}

{{- $countSet := 0 -}}
{{- $setKeys := "" -}}
{{- range $param := $params -}}
  {{- $isSet := tpl (printf "{{ if %s }}true{{ end }}" $param) $global -}}
  {{- if $isSet -}}
    {{- $countSet = add1 $countSet -}}
    {{- $setKeys = printf "%s %s" $setKeys $param -}}
  {{- end -}}
{{- end -}}

{{- if gt $countSet 1 -}}
  {{- fail (printf "Error: Only one of [%s] can be set." $setKeys) -}}
{{- end -}}
{{- end -}}

{{/*
validate node keys params
*/}}
{{- define "validateNodeKeys" -}}
{{- $nodeKeysParams := list ".Values.node.persistGeneratedNodeKey" ".Values.node.vault.nodeKey" ".Values.node.existingSecrets.nodeKey" ".Values.node.customNodeKey" -}}
{{- include "validateExclusiveKeys" (dict "params" $nodeKeysParams "global" . ) -}}
{{- end -}}

{{/*
validate keys params
*/}}
{{- define "validateKeys" -}}
{{- $keysParams := list ".Values.node.vault.keys" ".Values.node.existingSecrets.keys" ".Values.node.keys" -}}
{{- include "validateExclusiveKeys" (dict "params" $keysParams "global" . ) -}}
{{- end -}}