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Argocd-Deployment.md

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  • ArgoCD:
  • use https://operatorhub.io/operator/argocd-operator to deploy argocd on your kubernetes which will be deployed in 'operators' namespace. For controllers prefer operator way to install as future is this.
  • Argo cd will watch for updates on manifest repo and Deploys the updated manifests from the Git repository to the Kubernetes cluster.

Example ArgoCD Configuration: #argocd.yml

apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: myapp
spec:
  source:
    repoURL: 'https://github.com/your-org/your-repo'
    path: 'manifests'
    targetRevision: HEAD
  destination:
    server: 'https://kubernetes.default.svc'
    namespace: default
  project: default

(or) #argocd-basic.yml (and mention repo and target on argo cd UI)

apiVersion: argoproj.io/v1alpha1
kind: ArgoCD
metadata:
  name: example-argocd
spec: {}

kubectl apply -f argocd-basic.yml creating a new ArgoCD resource in the namespace(operators) where the operator is installed. kubectl get pods -n operators

To access argo cd UI on browser we have change the argocd service cluster IP to node port mode. kubectl get svc copy argocd server service name, here it is 'example-argocd-server' kubectl edit svc example-argocd-server change type from ClusterIP to NodePort kubectl get svc you will see argocd server service is changed to node port mode

if you are on minikube do minikube service example-argocd-server minikube will do somme port mapping and generate a url using which you can access your argocd service on browser.

Argocd Username: Admin Password: argocd stores default password inside secret resources name argocd cluster. kubectl get secret kubectl edit secret example-argocd-cluster copy admin password which is base64 encoded and :q! echo <encoded_password> | base64 -d copy the password and ignore the % sign in last do not copy that Login to Argocd>> create application>> Application Name>> Project name :default>> sync: automatic>> Repo URL>> Revision:Branch:head>> Path: where your manifest are>>cluster url :select same from dropdown >> Namespace: default>>create>> application will be automatically deployed on k8s cluster.