Helmfileを​使った​複数Kubernetesクラスターの​ミドルウェア管理

# Default values for Traefik
# This is a YAML-formatted file.
# Declare variables to be passed into templates

image:  # @schema additionalProperties: false
  # -- Traefik image host registry
  registry: docker.io
  # -- Traefik image repository
  repository: traefik
  # -- defaults to appVersion
  tag:  # @schema type:[string, null]
  # -- Traefik image pull policy
  pullPolicy: IfNotPresent

# -- Add additional label to all resources
commonLabels: {}

deployment:
  # -- Enable deployment
  enabled: true
  # -- Deployment or DaemonSet
  kind: Deployment
  # -- Number of pods of the deployment (only applies when kind == Deployment)
  replicas: 1
  # -- Number of old history to retain to allow rollback (If not set, default Kubernetes value is set to 10)
  revisionHistoryLimit:  # @schema type:[integer, null];minimum:0
  # -- Amount of time (in seconds) before Kubernetes will send the SIGKILL signal if Traefik does not shut down
  terminationGracePeriodSeconds: 60
  # -- The minimum number of seconds Traefik needs to be up and running before the DaemonSet/Deployment controller considers it available
  minReadySeconds: 0
（以下略）

repositories:
 - name: prometheus-community
   url: https://prometheus-community.github.io/helm-charts

releases:
- name: prom-norbac-ubuntu
  namespace: prometheus
  chart: prometheus-community/prometheus
  values:
  - values.yaml

helmfile apply

environments:
  dev:
  - serverName: bar
  - myChartVer: 1.5.0
  prod:
  - serverName: baz
  - myChartVer: 1.1.0
repositories:
 - name: prometheus-community
   url: https://prometheus-community.github.io/helm-charts

releases:
- name: prom-norbac-ubuntu
  namespace: prometheus
  chart: prometheus-community/prometheus
  version: {{ .Values.myChartVer }}
  values:
  - values.yaml.gotmpl

server:
  name: {{ .Values.serverName }}

.
├── bases
│   ├── environments
│   │   ├── _defaults.yaml.gotmpl
│   │   ├── dev.yaml.gotmpl
│   │   └── prod.yaml.gotmpl
│   └── environments.yaml.gotmpl
├── releases
│   ├── oauth2-proxy
│   │   ├── helmfile.yaml.gotmpl
│   │   └── values-7.7.28.yaml.gotmpl
│   └── traefik
│       ├── helmfile.yaml.gotmpl
│       └── values-32.1.1.yaml.gotmpl
└── helmfile.yaml

missingFileHandler: Error

bases:
  - bases/environments.yaml.gotmpl

helmfiles:
  - releases/oauth2-proxy/helmfile.yaml.gotmpl
  - releases/traefik/helmfile.yaml.gotmpl

---
bases:
  - ../../bases/environments.yaml.gotmpl

---
repositories:
  - name: traefik
    url: ghcr.io/traefik/helm/traefik
    oci: true

---
releases:
  - name: traefik1
    namespace: traefik
    createNamespace: true
    chart: traefik/traefik
    installed: {{ .Values | get "traefik.installed" false }}
    version: {{ .Values | get "traefik.chartVersion" | quote }}
    values:
      - values-{{ .Values | get "traefik.chartVersion" }}.yaml.gotmpl

deployment:
  replicas: {{ .Values.traefik.deploymentReplicas }}

{{- $envDir := print (regexReplaceAll "/releases/[^/]+$" (env "PWD") "") "/bases/environments" }}

environments:
  prod:
    kubeContext: {{ env "KUBE_PROD" }}
    values:
      - {{ $envDir }}/_defaults.yaml.gotmpl
      - {{ $envDir }}/prod.yaml.gotmpl
  dev:
    kubeContext: {{ env "KUBE_DEV" }}
    values:
      - {{ $envDir }}/_defaults.yaml.gotmpl
      - {{ $envDir }}/dev.yaml.gotmpl

oauth2-proxy:
  installed: true
  chartVersion: 7.7.28

traefik:
  installed: true
  chartVersion: 32.1.1
  deploymentReplicas: 1

traefik:
  deploymentReplicas: 2

helmfile -e dev apply

helmfile -e dev -f releases/traefil/helmfile.yaml.gotmpl apply

helmfile -e dev diff