Local Argo CD Test Environment

Key facts

• Setup local Kubernetes with kind https://kind.sigs.k8s.io/

• Argo CD https://argo-cd.readthedocs.io/en/stable/ to test GitOps project solutions

• Use modified YAML files to install the ingress controller and Argo CD

• Script to (re)deploy the complete Kubernetes cluster

• Argo CD UI: http://localhost/argocd

Quick Start

The start.sh script contains all commands to setup the test envrionment.

sh ./start.sh

Single Commands

Install kind

brew install kind

Start Kubernetes locally

kind create cluster --config kind-config.yaml

Install Ingress Controller

kubectl apply -f install-ingress-nginx.yaml

Install Argo CD

kubectl create namespace argocd

kubectl apply -n argocd -f install-argocd.yaml

kubectl apply -n argocd -f ingress.yaml

Get default password

kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d; echo

Stop Kubernetes

kind delete cluster  --name argo-cd

All in one

kind delete cluster  --name argo-cd && \
kind create cluster --config kind-config.yaml && \
kubectl apply -f install-ingress-nginx.yaml && \
kubectl wait -n ingress-nginx \
  --for=condition=ready pod \
  --selector=app.kubernetes.io/component=controller \
  --timeout=90s && \
kubectl create namespace argocd && \
kubectl apply -n argocd -f install-argocd.yaml && \
kubectl apply -n argocd -f ingress.yaml && \
kubectl wait -n argocd \
  --for=condition=ready pod \
  --selector=app.kubernetes.io/name=argocd-server \
  --timeout=90s && \
echo ------------------- && \
echo Initial Argo CD credentails: && \
echo User: admin && \
echo Password: $(kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d; echo) && \
open http://localhost/argocd

Patches

Add --insecure and --rootpath /argocd --basehref /argocd flags to argocd-server command.

install-argocd.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  ...
  name: argocd-server
spec:
  ...
  template:
    ...
    spec:
      ...
      containers:
      - command:
        - argocd-server
        - --insecure
        - --rootpath
        - /argocd
        - --basehref
        - /argocd

Add --enable-ssl-passthrough flag to /nginx-ingress-controller command.

install-argocd.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: ingress-nginx-controller
  ...
spec:
  ...
  template:
    ...
    spec:
      containers:
      - args:
        - /nginx-ingress-controller
        - ...
        - --enable-ssl-passthrough