helm install --dry-run

1 개요

helm install --dry-run

2 실습 1

$ helm pull ingress-nginx/ingress-nginx --version=4.7.0
$ ls *.tgz
ingress-nginx-4.7.0.tgz
$ helm install in -n ingress ingress-nginx-4.7.0.tgz --dry-run
LAST DEPLOYED: Thu Sep 21 02:49:11 2023
NAMESPACE: ingress
STATUS: pending-install
REVISION: 1
TEST SUITE: None
HOOKS:
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: in-ingress-nginx-admission
  namespace: ingress
  annotations:
    "helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-4.7.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: in
    app.kubernetes.io/version: "1.8.0"
    app.kubernetes.io/part-of: ingress-nginx
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
...

3 실습 2

$ helm create mychart
Creating mychart
$ helm install aaa --dry-run ./mychart/
NAME: aaa
LAST DEPLOYED: Mon Nov 14 11:31:50 2022
NAMESPACE: default
STATUS: pending-install
REVISION: 1
HOOKS:
---
# Source: mychart/templates/tests/test-connection.yaml
apiVersion: v1
kind: Pod
metadata:
  name: "aaa-mychart-test-connection"
  labels:
    helm.sh/chart: mychart-0.1.0
    app.kubernetes.io/name: mychart
    app.kubernetes.io/instance: aaa
    app.kubernetes.io/version: "1.16.0"
    app.kubernetes.io/managed-by: Helm
  annotations:
    "helm.sh/hook": test
spec:
  containers:
    - name: wget
      image: busybox
      command: ['wget']
      args: ['aaa-mychart:80']
  restartPolicy: Never
MANIFEST:
---
# Source: mychart/templates/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
...

4 같이 보기