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Deploy Helm Application with ArgoCD

Deploy Helm Application with ArgoCD

ArgoCD is a popular tool for Continuous Deployment (CD) of Kubernetes applications. It allows users to automate the deployment and management of applications in a Kubernetes cluster. Helm is a popular package manager for Kubernetes, which helps in installing, upgrading, and managing applications. In this article, we will learn how to deploy a Helm chart using ArgoCD.

Table of Contents

  1. Pre-requisites
  2. Installing ArgoCD
  3. Configuring ArgoCD
  4. Deploying Helm Chart with ArgoCD
  5. Verifying the Deployment

Pre-requisites:

  • A Kubernetes cluster
  • Helm installed on the local system
  • kubectl installed on the local system

Installing ArgoCD:

  1. Create a namespace for ArgoCD:
    kubectl create namespace argocd
  2. Add the ArgoCD repository to the Helm client:
    helm repo add argo https://argoproj.github.io/argo-helm
  3. Install ArgoCD using Helm:
    helm install argocd argo/argo-cd -n argocd

Configuring ArgoCD:

  1. Get the ArgoCD admin password:
    kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d
  2. Login to the ArgoCD Web UI using the admin password:
    argocd login <ARGOCD_SERVER> --username=admin --password=<ARGOCD_PASSWORD>
  3. Create a new application using the ArgoCD Web UI, by specifying the Helm chart location, values file, and target namespace.

Deploying Helm Chart with ArgoCD:

  1. Create a Helm values file with the required configuration:
    cat <<EOF > values.yaml
    replicaCount: 3
    image:
    repository: nginx
    tag: stable
    pullPolicy: IfNotPresent
    service:
    name: nginx
    type: ClusterIP
    port: 80
    EOF
  2. Install the Helm chart using the values file:
    helm install nginx stable/nginx -f values.yaml
  3. Sync the ArgoCD application to deploy the Helm chart:
    argocd app sync <APP_NAME>

Verifying the Deployment:

  1. Get the list of pods in the target namespace:
    kubectl get pods -n <NAMESPACE>
  2. Check the logs of the deployed application:
    kubectl logs <POD_NAME> -n <NAMESPACE>

In this article, we learned how to deploy a Helm chart using ArgoCD. With ArgoCD, we can automate the deployment and management of Helm applications in a Kubernetes cluster. We also learned how to configure ArgoCD and deploy a sample Helm chart using a values file. With ArgoCD, we can ensure that our Kubernetes applications are deployed and managed in a consistent and efficient manner.

Related Searches and Questions asked:

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  • That's it for this post. Keep practicing and have fun. Leave your comments if any.

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