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Project report

Project's reporter: Artyom Borisevich

Group number: md-sa2-22-22

Description of application for deployment

  • Application: Drupal
  • Programimg language: PHP
  • DB: MariaDB

Getting Started. To use this ci-cd you should have or install:

  • Kubernetes cluster (You can try k3s)
  • Database (it could be done via Ansible (MariaDB as example))
  • Sealed-secrets controller (to store your secrets in repo in a safe way)
  • ArgoCD
  • Argo Rollouts
  • NFS

Pipeline. High Level Design

Technologies which were used in project

  • Orchestration: Kubernetes
  • Automation tools: Github actions, ArgoCD, Argo Rollouts, Ansible
  • SCM: GitHub
  • Notification: Slack
  • Other tools: Docker, Helm , MariaDB, NFS

CI/CD description:

GitHub actions workflow starting after pushing tag to the repo. You can use following commands(with your tag version):

git tag -a v1.0.0 -m "v1.0.0"
git push origin v1.0.0

CI has following steps:

Action Description
Push tag Developer pushes tag with the new version of app which triggers github actions.
Testing Verification of Helm manifests and Dockerfile.
Build and push Build docker image app with the tag from developer and push it to the Github Packages.
Helm Package This action generates a helm package and updates files values.yaml and index.yaml . Also appVersion and version are updated in the Chart.yaml.
Push helm package to git Push changes to the gh-pages branch (main).
Slack Notification Send notification to the Slack.

CD following steps:

  • GitHub pages is used as helm artifactory
  • ArgoCD WebUI or console is used for deployment
  • Argo Rollouts are used for Blue-Green update strategy

Links:

Project repository: https://github.com/artsiomborisevich/devops-project

Argo rollouts: https://argo-rollouts.readthedocs.io/en/stable/