Add pipeline to build enki image

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

.github/workflows/enki-image.yml

@@ -0,0 +1,69 @@
+---
+name: 'Build enki image'
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - '*'
+concurrency:
+  group: enki-image-${{ github.ref || github.head_ref }}
+  cancel-in-progress: true
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=quay.io/kairos/enki
+          VERSION=latest
+          SHORTREF=${GITHUB_SHA::8}
+          # If this is git tag, use the tag name as a docker tag
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          fi
+          TAGS="${DOCKER_IMAGE}:${VERSION},${DOCKER_IMAGE}:${SHORTREF}"
+          # If the VERSION looks like a version number, assume that
+          # this is the most recent version of the image and also
+          # tag it 'latest'.
+          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+            TAGS="$TAGS,${DOCKER_IMAGE}:latest"
+          fi
+          # Set output parameters.
+          echo ::set-output name=version::${VERSION}
+          echo ::set-output name=ref::${SHORTREF}
+          echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=docker_image::${DOCKER_IMAGE}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@master
+        with:
+          platforms: all
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@master
+
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
+
+      - name: Build
+        uses: docker/build-push-action@v4
+        with:
+          builder: ${{ steps.buildx.outputs.name }}
+          context: ./tools-image/enki
+          file: ./tools-image/enki/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.prep.outputs.tags }}
+          build-args: "ENKI_VERSION=${{ steps.prep.outputs.version }}, ENKI_COMMIT=${{ steps.prep.outputs.ref }}"

.github/workflows/enki.yml

@@ -0,0 +1,24 @@
+---
+name: 'run enki unit tests'
+
+on:
+  pull_request:
+
+concurrency:
+  group: enki-${{ github.ref || github.head_ref }}
+  cancel-in-progress: true
+
+env:
+  FORCE_COLOR: 1
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: earthly/actions-setup@v1.0.7
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Build
+        run: cd tools-image/enki && earthly -P +test

Dockerfile

@@ -5,7 +5,17 @@ WORKDIR /build
 COPY . .
 
 ENV CGO_ENABLED=0
-RUN go build -ldflags '-extldflags "-static"' -o /enki
+RUN go mod download
+# Set arg/env after go mod download, otherwise we invalidate the cached layers due to the commit changing easily
+ARG ENKI_VERSION
+ARG ENKI_COMMIT
+ENV ENKI_VERSION=${ENKI_VERSION}
+ENV ENKI_COMMIT=${ENKI_COMMIT}
+RUN go build \
+    -ldflags "-w -s \
+    -X github.com/kairos-io/enki/internal/version.version=$ENKI_VERSION \
+    -X github.com/kairos-io/enki/internal/version.gitCommit=$ENKI_COMMIT" \
+    -o /usr/bin/enki
 
 FROM gcr.io/kaniko-project/executor:latest