ci: add workflow to run kepler on k8s

.github/workflows/k8s.yaml

@@ -0,0 +1,145 @@
+name: Build and Deploy on K8s
+
+on: #yamllint disable-line rule:truthy
+  pull_request:
+    branches: [reboot]
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Docker
+        shell: bash
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common
+          curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+          echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list
+          sudo apt-get update
+          sudo apt-get install -y docker-ce docker-ce-cli containerd.io
+          sudo usermod -aG docker $USER
+
+      - name: Verify Docker installation
+        shell: bash
+        run: |
+          docker ps
+          docker --version
+
+      - name: Install Kind
+        shell: bash
+        run: |
+          curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.23.0/kind-linux-amd64
+          chmod +x ./kind
+          sudo mv ./kind /usr/local/bin/kind
+
+      - name: Verify Kind installation
+        shell: bash
+        run: |
+          kind version
+
+      - name: Install Kubectl
+        shell: bash
+        run: |
+          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
+          chmod +x ./kubectl
+          sudo mv ./kubectl /usr/local/bin/kubectl
+
+      - name: Verify Kubectl installation
+        shell: bash
+        run: |
+          kubectl version --client
+
+      - name: Checkout source
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v5.4.0
+        with:
+          go-version-file: go.mod
+          cache: false
+
+      - name: Build image
+        shell: bash
+        run: |
+          make image
+        env:
+          IMG_BASE: localhost:5001
+          VERSION: dev
+
+      - name: Setup Kind cluster
+        shell: bash
+        run: |
+          make cluster-up
+
+      - name: Push image
+        shell: bash
+        run: |
+          make push
+        env:
+          IMG_BASE: localhost:5001
+          VERSION: dev
+
+      - name: Enable fake cpu meter
+        shell: bash
+        run: |
+          sed -i '/fake-cpu-meter:/{n;s/enabled: false/enabled: true/}' manifests/k8s/configmap.yaml
+
+      - name: Deploy Kepler
+        shell: bash
+        run: |
+          make deploy
+        env:
+          IMG_BASE: localhost:5001
+          VERSION: dev
+
+      - name: Verify Kepler deployment
+        shell: bash
+        run: |
+          kubectl rollout status daemonset/kepler -n kepler --timeout=5m
+
+      # TODO: Move this once we add validator tool to the repo
+      - name: Validate metric endpoint
+        id: validate
+        shell: bash
+        run: |
+          kubectl port-forward service/kepler 28282:28282 -n kepler &
+          sleep 20 # sleep for 20 seconds to give the service time to start
+
+          HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:28282/metrics)
+          [[ $HTTP_STATUS -ne 200 ]] && echo "HTTP status code is not 200" && exit 1
+
+          curl -s -o /tmp/metrics.txt http://localhost:28282/metrics
+
+          for metric in kepler_process_cpu_watts \
+            kepler_node_cpu_info \
+            kepler_process_cpu_joules_total \
+            kepler_container_cpu_joules_total \
+            kepler_container_cpu_watts; do
+            echo "Checking metric: $metric"
+            if ! grep -q "$metric" /tmp/metrics.txt; then
+              echo "Metric $metric not found"
+              exit 1
+            fi
+          done
+
+      - name: Run must gather
+        if: failure()
+        shell: bash
+        run: |
+          echo "::group::Get pods in kepler namespace"
+          kubectl get pods -n kepler || true
+          echo "::endgroup::"
+
+          echo "::group::Get pods in monitoring namespace"
+          kubectl get pods -n monitoring || true
+          echo "::endgroup::"
+
+          echo "::group::Get logs for kepler daemonset"
+          kubectl logs daemonset/kepler -n kepler || true
+          echo "::endgroup::"
+
+          echo "::group::Fetch metrics from localhost:28282"
+          curl -s http://localhost:28282/metrics || true
+          echo "::endgroup::"

Makefile

@@ -25,7 +25,7 @@ endif
 
 BINARY_DIR=bin
 MAIN_GO_PATH=./cmd/kepler
-VERSION=$(shell git describe --tags --always --dirty | sed 's/-reboot//' || echo "dev")
+VERSION?=$(shell git describe --tags --always --dirty | sed 's/-reboot//' || echo "dev")
 BUILD_TIME=$(shell date -u '+%Y-%m-%d_%H:%M:%S')
 GIT_BRANCH=$(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
 GIT_COMMIT=$(shell git rev-parse --short HEAD 2>/dev/null)