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https://github.com/muhlba91/fh-burgenland-bswe-cluster-applications
FH Burgenland - BSWE: Demo applications running on the Kubernetes cluster
https://github.com/muhlba91/fh-burgenland-bswe-cluster-applications
argocd fh-burgenland gitops kubernetes
Last synced: about 1 month ago
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FH Burgenland - BSWE: Demo applications running on the Kubernetes cluster
- Host: GitHub
- URL: https://github.com/muhlba91/fh-burgenland-bswe-cluster-applications
- Owner: muhlba91
- License: gpl-3.0
- Created: 2024-09-10T06:36:38.000Z (5 months ago)
- Default Branch: main
- Last Pushed: 2024-12-12T22:50:07.000Z (about 1 month ago)
- Last Synced: 2024-12-12T23:30:51.137Z (about 1 month ago)
- Topics: argocd, fh-burgenland, gitops, kubernetes
- Language: Smarty
- Homepage:
- Size: 101 KB
- Stars: 0
- Watchers: 1
- Forks: 1
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE.md
- Codeowners: .github/CODEOWNERS
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README
# FH Burgenland - BSWE - Demo Applications
[](https://github.com/muhlba91/fh-burgenland-bswe-cluster-applications/actions/workflows/pipeline.yml)
[](LICENSE.md)
[](https://scorecard.dev/viewer/?uri=github.com/muhlba91/fh-burgenland-bswe-cluster-applications)
This repository contains demo applications for the course "Softwaremanagement II" at the FH Burgenland (BSWE) deployed on the `public-services-cluster` via [ArgoCD](https://argo-cd.readthedocs.io/en/stable/) using [GitOps](https://opengitops.dev).
---
## Bootstrapping
The Kubernetes cluster needs to be bootstrapped with ArgoCD pointing to this repository.
---
## App-of-Apps
The repository follows the app-of-apps pattern.
The first `Application` being defined needs to reference [`app-of-apps/`](app-of-apps/).
These are bootstrapping the main applications, referring to the respective `charts/`:
- [`group`](#group): the BSWE group infrastructure
- [`vcluster`](#vcluster): the vcluster
- [`vcluster-hpm`](#vcluster-hpm): the vcluster hostpath mapper
- [`cluster-access`](#cluster-access): the cluster access
- [`demo-app`](#demo-app): the demo app
Each of these applications follows the app-of-apps pattern again, if necessary.
---
## Charts
### Group
The `group` chart creates necessary infrastructure for one BSWE group. It is patched by an `ApplicationSet` defined in the `app-of-apps` application.
It defines the following resources:
- `ResourceQuota`s: the group's namespace quotas (CPU, memory, storage, pods, services, etc.)
- `LimitRange`: the group's namespace limits (CPU, memory)
- `Secret`: the group's GHCR credentials (synchronized with the reflector)
- `AppProject`: the group's ArgoCD project
- `Application`: the group's ArgoCD app-of-apps application referencing the BSWE private repository
### Cluster Access
The `cluster-access` chart creates an nginx service serving a PVC which contains the `kubeconfig` file for the vclusters.
### Demo App
The `demo-app` chart creates a simple demo app using nginx.
### vcluster
The `vcluster` chart creates a configurable vcluster.
### vcluster-hpm
The `vcluster-hpm` chart installs the hostpath mapper (HPM) for the vcluster.
---
## vcluster Helper Scripts
In [`vclusters/`](vclusters/), there are helper scripts for accessing the vclusters:
- `playbook.sh`: the playbook to retrieve the Kubernetes configurations and store them in `cluster-access`
- `destroy.sh`: the playbook to remove the Kubernetes configurations
---
## Continuous Integration and Automations
- [GitHub Actions](https://docs.github.com/en/actions) are linting all YAML files.
- [Renovate Bot](https://github.com/renovatebot/renovate) is updating ArgoCD applications, container images, and GitHub Actions.