mirror of
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119 lines
2.8 KiB
Markdown
119 lines
2.8 KiB
Markdown
# Dev-Cluster
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Provisioning, configuration and manifests for my Kubernetes dev cluster on Hetzner Cloud, set up for GitOps with Flux CD.
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## Prerequisites
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- [OpenTofu](https://opentofu.org/docs/intro/install/)
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- [SOPS](https://github.com/mozilla/sops)
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- [Age](https://github.com/FiloSottile/age)
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- A Hetzner Cloud account and API token
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- Cloudflare DNS API token
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- A GitHub account and personal access token (for Flux)
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- S3 compatible storage credentials
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## Deployment
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1. **Generate an Age key:**
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```
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age-keygen -o key.txt
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```
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2. **Edit `.sops.yaml` file in project root:**
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```yaml
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creation_rules:
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- unencrypted_regex: "^(apiVersion|metadata|kind|type)$"
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age: <your-age-public-key>
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```
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Replace `<your-age-public-key>` with the public key from your `key.txt` file.
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3. **Create a `secrets.yaml` file with your sensitive data:**
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```bash
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cd provisioning
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```
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```yaml
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username: <your-username>
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user_hashed_password: <your-hashed-password>
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user_ssh_public_keys: |
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<your-ssh-public-key>
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domain_name: <your-domain-name>
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```
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4. **Encrypt the secrets file:**
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```
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sops -e secrets.yaml > secrets.enc.yaml
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```
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5. **Create a `terraform.tfvars` file for your Hetzner Cloud token and Cloudflare Token:**
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```hcl
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hcloud_token = "your-hetzner-cloud-token"
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cloudflare_api_token = "your-cloudflare-token
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```
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6. **Create `s3_env.yaml` file with your S3 compatible storage credentials**
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`AWS_ENDPOINT_URL_S3`
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`AWS_ACCESS_KEY_ID`
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`AWS_REGION`
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`AWS_SECRET_ACCESS_KEY`
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7. **Encrypt the `s3_env.yaml` file:**
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```bash
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sops -e s3_env.yaml > s3_env.enc.yaml
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```
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8. **Run OpenTofu:**
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```bash
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sops exec-env s3_env.enc.yaml 'tofu init'
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sops exec-env s3_env.enc.yaml 'tofu apply'
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```
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## Post Deployment
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1. **Connect to the server**
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Replace username with your username and public ip with the output value of `tofu apply`
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```bash
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ssh ${username}@${public_ip}
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```
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2. **Create sops secret**
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Use the key generated in step 1. of the deployment
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```bash
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kubectl create ns flux-system
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echo 'AGE-SECRET-KEY-...' | kubectl create secret generic sops-age \
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--namespace=flux-system \
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--from-file=age.agekey=/dev/stdin
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```
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3. **Create GitHub access token**
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[https://fluxcd.io/flux/installation/bootstrap/github/](https://fluxcd.io/flux/installation/bootstrap/github/)
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3. **Bootstrap flux**
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```bash
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export GITHUB_TOKEN=your_github_token
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export GITHUB_USERNAME=your_github_username
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export GITHUB_REPO=your_github_repo
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flux bootstrap github \
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--owner=$GITHUB_USERNAME \
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--repository=$GITHUB_REPO \
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--components-extra=image-reflector-controller,image-automation-controller \
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--path=clusters/prod --personal
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```
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