258 lines
9.5 KiB
YAML
258 lines
9.5 KiB
YAML
name: Deploy Cluster
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on:
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push:
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branches:
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- main
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pull_request:
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branches:
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- main
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workflow_dispatch:
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env:
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TF_VERSION: "1.7.0"
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TF_VAR_hcloud_token: ${{ secrets.HCLOUD_TOKEN }}
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TF_VAR_s3_access_key: ${{ secrets.S3_ACCESS_KEY }}
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TF_VAR_s3_secret_key: ${{ secrets.S3_SECRET_KEY }}
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TF_VAR_s3_endpoint: ${{ secrets.S3_ENDPOINT }}
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TF_VAR_s3_bucket: ${{ secrets.S3_BUCKET }}
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TF_VAR_tailscale_tailnet: ${{ secrets.TAILSCALE_TAILNET }}
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TS_OAUTH_CLIENT_ID: ${{ secrets.TAILSCALE_OAUTH_CLIENT_ID }}
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TS_OAUTH_CLIENT_SECRET: ${{ secrets.TAILSCALE_OAUTH_CLIENT_SECRET }}
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jobs:
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terraform:
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name: Terraform
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Terraform
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uses: hashicorp/setup-terraform@v3
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with:
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terraform_version: ${{ env.TF_VERSION }}
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- name: Terraform Format Check
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working-directory: terraform
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run: terraform fmt -check -recursive
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- name: Terraform Init
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working-directory: terraform
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run: |
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terraform init \
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-backend-config="endpoint=${{ secrets.S3_ENDPOINT }}" \
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-backend-config="bucket=${{ secrets.S3_BUCKET }}" \
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-backend-config="region=auto" \
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-backend-config="access_key=${{ secrets.S3_ACCESS_KEY }}" \
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-backend-config="secret_key=${{ secrets.S3_SECRET_KEY }}" \
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-backend-config="skip_requesting_account_id=true"
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- name: Terraform Validate
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working-directory: terraform
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run: terraform validate
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- name: Setup SSH Keys
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run: |
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mkdir -p ~/.ssh
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echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
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chmod 600 ~/.ssh/id_ed25519
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echo "${{ secrets.SSH_PUBLIC_KEY }}" > ~/.ssh/id_ed25519.pub
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chmod 644 ~/.ssh/id_ed25519.pub
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- name: Install jq
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run: |
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apt-get update
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apt-get install -y jq
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- name: Import existing servers into state (if missing)
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working-directory: terraform
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env:
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HCLOUD_TOKEN: ${{ secrets.HCLOUD_TOKEN }}
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run: |
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set -e
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ensure_import() {
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address="$1"
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name="$2"
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if terraform state show "$address" >/dev/null 2>&1; then
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echo "$address already in state"
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return
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fi
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id=$(curl -sS -H "Authorization: Bearer ${HCLOUD_TOKEN}" "https://api.hetzner.cloud/v1/servers?name=${name}" | jq -r '.servers[0].id // empty')
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if [ -n "$id" ]; then
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echo "Importing $address from server $name ($id)"
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terraform import "$address" "$id"
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else
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echo "No existing server found for $name; skipping import"
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fi
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}
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ensure_import 'hcloud_server.control_plane[0]' 'k8s-cluster-cp-1'
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ensure_import 'hcloud_server.control_plane[1]' 'k8s-cluster-cp-2'
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ensure_import 'hcloud_server.control_plane[2]' 'k8s-cluster-cp-3'
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ensure_import 'hcloud_server.workers[0]' 'k8s-cluster-worker-1'
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ensure_import 'hcloud_server.workers[1]' 'k8s-cluster-worker-2'
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ensure_import 'hcloud_server.workers[2]' 'k8s-cluster-worker-3'
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ensure_import 'hcloud_server.workers[3]' 'k8s-cluster-worker-4'
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- name: Terraform Plan
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id: plan
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working-directory: terraform
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run: |
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terraform plan \
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-var="ssh_public_key=$HOME/.ssh/id_ed25519.pub" \
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-var="ssh_private_key=$HOME/.ssh/id_ed25519" \
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-out=tfplan \
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-no-color
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continue-on-error: true
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- name: Post Plan to PR
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if: github.event_name == 'pull_request'
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uses: actions/github-script@v7
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with:
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script: |
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const output = `#### Terraform Plan
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\`\`\`
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${{ steps.plan.outputs.stdout }}
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\`\`\``;
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github.rest.issues.createComment({
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issue_number: context.issue.number,
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owner: context.repo.owner,
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repo: context.repo.repo,
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body: output
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});
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- name: Fail if plan failed
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if: steps.plan.outcome == 'failure'
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run: exit 1
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- name: Terraform Apply
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if: github.ref == 'refs/heads/main' && github.event_name == 'push'
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working-directory: terraform
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run: |
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terraform apply \
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-var="ssh_public_key=$HOME/.ssh/id_ed25519.pub" \
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-var="ssh_private_key=$HOME/.ssh/id_ed25519" \
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-auto-approve
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- name: Save Terraform Outputs
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if: github.ref == 'refs/heads/main' && github.event_name == 'push'
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run: |
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mkdir -p outputs
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terraform output -json > outputs/terraform_outputs.json
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working-directory: terraform
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- name: Upload Outputs
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if: github.ref == 'refs/heads/main' && github.event_name == 'push'
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uses: actions/upload-artifact@v3
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with:
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name: terraform-outputs
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path: outputs/terraform_outputs.json
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ansible:
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name: Ansible
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runs-on: ubuntu-latest
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needs: terraform
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if: github.ref == 'refs/heads/main' && github.event_name == 'push'
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Terraform
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uses: hashicorp/setup-terraform@v3
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with:
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terraform_version: ${{ env.TF_VERSION }}
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- name: Setup SSH Keys
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run: |
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mkdir -p ~/.ssh
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echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
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chmod 600 ~/.ssh/id_ed25519
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echo "${{ secrets.SSH_PUBLIC_KEY }}" > ~/.ssh/id_ed25519.pub
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chmod 644 ~/.ssh/id_ed25519.pub
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- name: Terraform Init
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working-directory: terraform
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run: |
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terraform init \
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-backend-config="endpoint=${{ secrets.S3_ENDPOINT }}" \
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-backend-config="bucket=${{ secrets.S3_BUCKET }}" \
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-backend-config="region=auto" \
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-backend-config="access_key=${{ secrets.S3_ACCESS_KEY }}" \
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-backend-config="secret_key=${{ secrets.S3_SECRET_KEY }}" \
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-backend-config="skip_requesting_account_id=true"
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- name: Get Terraform Outputs
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working-directory: terraform
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run: |
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mkdir -p ../outputs
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terraform output -json > ../outputs/terraform_outputs.json
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- name: Detect runner egress IP
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run: |
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RUNNER_IP=$(curl -fsSL https://api.ipify.org)
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echo "RUNNER_CIDR=[\"${RUNNER_IP}/32\"]" >> "$GITHUB_ENV"
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echo "Runner egress IP: ${RUNNER_IP}"
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- name: Open SSH/API for current runner CIDR
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working-directory: terraform
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run: |
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terraform apply \
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-target=hcloud_firewall.cluster \
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-var="ssh_public_key=$HOME/.ssh/id_ed25519.pub" \
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-var="ssh_private_key=$HOME/.ssh/id_ed25519" \
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-var="allowed_ssh_ips=${RUNNER_CIDR}" \
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-var="allowed_api_ips=${RUNNER_CIDR}" \
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-auto-approve
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- name: Install Python Dependencies
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run: |
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apt-get update && apt-get install -y python3-pip
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pip3 install --break-system-packages ansible kubernetes jinja2 pyyaml
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- name: Note runner connectivity mode
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run: |
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echo "Using runner public network access with RUNNER_ALLOWED_CIDRS for SSH/API"
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- name: Install Ansible Collections
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run: ansible-galaxy collection install -r ansible/requirements.yml
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- name: Generate Ansible Inventory
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working-directory: ansible
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run: python3 generate_inventory.py
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- name: Run Ansible Playbook
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working-directory: ansible
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run: |
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ansible-playbook site.yml \
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-e "hcloud_token=${{ secrets.HCLOUD_TOKEN }}" \
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-e "tailscale_auth_key=${{ secrets.TAILSCALE_AUTH_KEY }}" \
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-e "tailscale_tailnet=${{ secrets.TAILSCALE_TAILNET }}" \
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-e "tailscale_oauth_client_id=${{ secrets.TAILSCALE_OAUTH_CLIENT_ID }}" \
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-e "tailscale_oauth_client_secret=${{ secrets.TAILSCALE_OAUTH_CLIENT_SECRET }}" \
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-e "doppler_hetznerterra_service_token=${{ secrets.DOPPLER_HETZNERTERRA_SERVICE_TOKEN }}" \
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-e "grafana_admin_password=${{ secrets.GRAFANA_ADMIN_PASSWORD }}" \
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-e "cluster_name=k8s-cluster"
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env:
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ANSIBLE_HOST_KEY_CHECKING: "False"
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- name: Post-deploy cluster health checks
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working-directory: ansible
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run: |
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl get nodes -o wide"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl -n kube-system get pods -o wide"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl get storageclass"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl -n observability get pods -o wide"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl -n observability get pvc"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl -n tailscale-system get pods -o wide"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl -n observability get svc kube-prometheus-stack-grafana kube-prometheus-stack-prometheus"
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ansible -i inventory.ini 'control_plane[0]' -m command -a "kubectl -n observability describe svc kube-prometheus-stack-grafana"
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env:
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ANSIBLE_HOST_KEY_CHECKING: "False"
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- name: Upload Kubeconfig
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uses: actions/upload-artifact@v3
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with:
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name: kubeconfig
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path: outputs/kubeconfig
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