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GitOps template with K3d, ArgoCD, ELK stack and Open Policy Agent

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GitOps - Deploy Open Policy Agent

How to

If you cant see "Use this template" button, login with your github account

Deploy:

Create a repository from a template

git clone your_repo_here

cd ~/your_repo_here

make

Prerequisites

  1. Docker for Desktop

Overview

Gitops template for Open Policy Agent policies development.

This template will:

  • Create a local K8s cluster, using k3d.

    • Install ArgoCD.

      • Install ELK stack for monitoring

      • Install Open Policy Agent Gatekeeper and deploy the first policy.

image

make targets step by step:

  1. validate_code: Run github-linter locally and validate code (docker container)

  2. prepare_cluster: Install all necessary packages and create a K3d cluster

  3. install_argocd: Install ArgoCD and all the argocd applications (OPA, ELK, etc.).

  4. port_forward_argocd: Access argocd in localhost:8080

After deployment you will have a K3d cluster with an active ArgoCD installation, Open Policy Agent Gatekeeper and ELK stack for logs and metrics.

To access ArgoCD:

  • Check CLI output for ArgoCD UI password.

  • In your browser ==> localhost:8080

To access Kibana:

  • In a new terminal: kubectl port-forward deployment/kibana-kibana 5601 -n monitoring

  • In your browser ==> localhost:5601

In Management ==> Kibana ==> Index patterns, create the index pattern using the 2 available indexes.

Check Logs and Metrics for available data, add filters to Discover for data filtering.

OPA policies

Open Policy Agent policies located at k8s/opa_gatekeeper/ directory.

Cleanup

make clean

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GitOps template with K3d, ArgoCD, ELK stack and Open Policy Agent

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