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gitops

README.md

Gitops

What does this repository contain?

ArgoCD directory layout

This directory contains a base gitops directory layout that can be used by the ArgoCD's app of all apps deployment.

  1. Deploy ArgoCD
  2. Create a Gitops repository in your Gitlab instance.
  3. Create a Access token in Gitlab for this repository
  4. Deploy the Gitlab agent for Kubernetes
  5. Create a SSH key ssh-keygen -t ed25519 -C "Gitlab CI cfgmgmtcamp2024" -f id_ed25519_gitlab
  6. Hash the private key with base64
  7. Create a environment variable called SSH_PRIVATE_KEY_BASE64
  8. Create a secret for the ArgoCD credentials. Check the file argocd-configuration/credentials.yml for a example. This secret should contain the URL for your gitops repo and the credentials you created earlier.
  9. Apply the secret in de argocd namespace with kubectl
  10. Create a repo configuration for the app of all apps. Check the file argocd-configuration/repoconfig.yml for a example. This repo configuration should contain the url of your gitops repo.
  11. Deploy the repo configuration with kubectl
  12. All the apps in the gitops folder should be deployed immediately after applying the repo configuration

Gitlab CI file

The gitlab CI file contains a proof of concept to use a application repository and a Gitops repository together to automatically deploy applications. See the gitlab-ci.yml for more information.

Containerfile

The Containerfile includes a container image for doing "gitops" stuff from within the pipeline.