juntekim.com/.github/workflows/k8s_traefik_init_setup.yml
Jun-te Kim 7fb4636a98 save
2025-12-06 21:20:57 +00:00

141 lines
6.2 KiB
YAML

name: K8s Bootstrap Setup
on:
workflow_dispatch:
jobs:
bootstrap:
runs-on: mealcraft-runners
steps:
# -----------------------------------------------------
# Checkout Repo
# -----------------------------------------------------
- uses: actions/checkout@v4
# -----------------------------------------------------
# Install kubectl
# -----------------------------------------------------
- name: Install kubectl
run: |
sudo apt-get update
sudo apt-get install -y ca-certificates curl
curl -LO "https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo install -m 0755 kubectl /usr/local/bin/kubectl
# -----------------------------------------------------
# Configure kubeconfig via ARC pod token
# -----------------------------------------------------
- name: Configure kubeconfig
run: |
KUBE_HOST="https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT"
SA_TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
CA_CERT=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
NAMESPACE=$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace)
kubectl config set-cluster microk8s --server="$KUBE_HOST" --certificate-authority="$CA_CERT"
kubectl config set-credentials runner --token="$SA_TOKEN"
kubectl config set-context runner-context --cluster=microk8s --user=runner --namespace="$NAMESPACE"
kubectl config use-context runner-context
# -----------------------------------------------------
# Install buildctl (standalone BuildKit client)
# -----------------------------------------------------
- name: Install buildctl
run: |
sudo apt-get update && sudo apt-get install -y curl
curl -sSL https://github.com/moby/buildkit/releases/download/v0.12.5/buildkit-v0.12.5.linux-amd64.tar.gz -o buildkit.tar.gz
tar -xzf buildkit.tar.gz
sudo mv bin/buildctl /usr/local/bin/
sudo chmod +x /usr/local/bin/buildctl
# -----------------------------------------------------
# Build & Push Docker Image (NO docker, NO buildx, NO daemon)
# -----------------------------------------------------
- name: Build & Push Traefik Image
env:
DOCKER_USER: ${{ secrets.DOCKER_HUB_USERNAME }}
DOCKER_PASS: ${{ secrets.DOCKER_HUB_PASSWORD }}
IMAGE_SHA: docker.io/kimjunte/edge_router:${{ github.sha }}
IMAGE_LATEST: docker.io/kimjunte/edge_router:latest
run: |
AUTH=$(printf "%s:%s" "$DOCKER_USER" "$DOCKER_PASS" | base64 -w0)
# Build + Push SHA tag
buildctl build \
--frontend dockerfile.v0 \
--local context="${GITHUB_WORKSPACE}/traefik" \
--local dockerfile="${GITHUB_WORKSPACE}/traefik" \
--opt platform=linux/amd64 \
--output type=registry,name=${IMAGE_SHA},push=true,registry.auth=${AUTH}
# Build + Push latest tag
buildctl build \
--frontend dockerfile.v0 \
--local context="${GITHUB_WORKSPACE}/traefik" \
--local dockerfile="${GITHUB_WORKSPACE}/traefik" \
--opt platform=linux/amd64 \
--output type=registry,name=${IMAGE_LATEST},push=true,registry.auth=${AUTH}
# -----------------------------------------------------
# Apply Storage Classes + PVCs
# -----------------------------------------------------
- name: Apply StorageClass + PV
run: |
kubectl apply -f traefik/storageclass/storageclass.yaml
kubectl apply -f traefik/storageclass/certs-pv.yaml
# -----------------------------------------------------
# Install Traefik CRDs (idempotent)
# -----------------------------------------------------
- name: Install Traefik CRDs
run: |
if ! kubectl get crd ingressroutes.traefik.containo.us >/dev/null 2>&1; then
kubectl apply -f https://raw.githubusercontent.com/traefik/traefik/v2.10/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
kubectl apply -f https://raw.githubusercontent.com/traefik/traefik/v2.10/docs/content/reference/dynamic-configuration/kubernetes-crd-rbac.yml
kubectl apply -f https://raw.githubusercontent.com/traefik/traefik/v2.10/docs/content/user-guides/crd-acme/05-tlsoption.yml
fi
# -----------------------------------------------------
# Deploy Traefik
# -----------------------------------------------------
- name: Deploy Traefik
run: |
kubectl apply -f traefik/edge-router/pvc.yaml
kubectl apply -f traefik/edge-router/traefik-deployment.yml
kubectl apply -f traefik/edge-router/traefik-services.yml
kubectl apply -f traefik/edge-router/middleware.yaml
kubectl apply -f traefik/edge-router/secret-dashboard.yml
kubectl apply -f traefik/edge-router/traefik-ingressroute.yml
# -----------------------------------------------------
# Deploy whoami test service
# -----------------------------------------------------
- name: Deploy whoami
run: |
kubectl apply -f traefik/who-am-i/whoami-deployment.yml
kubectl apply -f traefik/who-am-i/whoami-service.yml
kubectl apply -f traefik/who-am-i/whoami-ingressroute.yml
# -----------------------------------------------------
# Create registry secret in default namespace
# -----------------------------------------------------
- name: Create registry secret (default)
run: |
kubectl apply -f traefik/docker-registry-credentials/docker-credentials.yml
# -----------------------------------------------------
# Ensure staging namespace exists
# -----------------------------------------------------
- name: Create staging namespace
run: |
kubectl get ns staging >/dev/null 2>&1 || kubectl create namespace staging
# -----------------------------------------------------
# Apply registry secret to staging
# -----------------------------------------------------
- name: Registry secret to staging
run: |
sed 's/namespace: default/namespace: staging/' \
traefik/docker-registry-credentials/docker-credentials.yml \
| kubectl apply -f -