Add self-contained API simulators lab with Compose and Helm.

Ship Proxmox, oVirt, VMware, and OpenStack behind one Postgres stack,
Makefile helpers (up/clean/helm up|down/push), and a Helm chart with
namespace, Let's Encrypt ingresses, migrate inits, and skip-if-seeded jobs.

charts/api-simulators-lab/templates/_helpers.tpl

@@ -0,0 +1,69 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "lab.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+*/}}
+{{- define "lab.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 }}
+
+{{- define "lab.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- define "lab.labels" -}}
+helm.sh/chart: {{ include "lab.chart" . }}
+{{ include "lab.selectorLabels" . }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{- define "lab.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "lab.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{- define "lab.postgresHost" -}}
+{{- printf "%s-postgres" (include "lab.fullname" .) }}
+{{- end }}
+
+{{- define "lab.namespace" -}}
+{{- .Values.namespace | default .Release.Namespace }}
+{{- end }}
+
+{{- define "lab.databaseUrl" -}}
+{{- $sim := .sim -}}
+{{- printf "postgresql://%s:%s@%s:5432/%s" $sim.db.user $sim.db.password (include "lab.postgresHost" .root) $sim.db.name }}
+{{- end }}
+
+{{- define "lab.commonEnv" -}}
+- name: TICKET_SIGNING_KEY
+  valueFrom:
+    secretKeyRef:
+      name: {{ include "lab.fullname" . }}
+      key: ticketSigningKey
+- name: LOG_LEVEL
+  value: {{ .Values.logLevel | quote }}
+{{- end }}
+
+{{- define "lab.clusterIssuer" -}}
+{{- if .Values.certManager.useStaging }}
+{{- .Values.certManager.stagingIssuerName }}
+{{- else }}
+{{- .Values.certManager.issuerName }}
+{{- end }}
+{{- end }}