feat: add custom stress-ng image (#12)

Signed-off-by: Alexander Matyushentsev <[email protected]>

Author: alexmt

.github/workflows/image.yaml

@@ -0,0 +1,50 @@
+name: Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      docker: ${{ steps.filter.outputs.docker }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check for Dockerfile changes
+        id: filter
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            docker:
+              - 'Dockerfile'
+  build:
+    runs-on: ubuntu-latest
+    needs: changes
+    if: ${{ needs.changes.outputs.docker != '' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up QEMU (enable cross-arch)
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Quay
+        uses: docker/login-action@v3
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            quay.io/akuity/stress-ng:latest

Dockerfile

@@ -0,0 +1,23 @@
+FROM debian:bullseye AS builder
+
+RUN apt-get update && apt-get install -yq make gcc busybox-static
+
+WORKDIR /code
+ENV STRESS_VER=0.09.41
+ADD https://github.com/ColinIanKing/stress-ng/archive/V${STRESS_VER}.tar.gz .
+RUN tar -xf V${STRESS_VER}.tar.gz && mv stress-ng-${STRESS_VER} stress-ng
+
+# make static version
+WORKDIR /code/stress-ng
+RUN STATIC=1 make
+
+# Final image
+FROM scratch
+
+# copy stress-ng
+COPY --from=builder /code/stress-ng/stress-ng /
+
+# copy static sleep
+COPY --from=builder /bin/busybox /bin/sleep
+
+ENTRYPOINT ["/stress-ng"]

oom-demo/manifest.yaml

@@ -23,9 +23,7 @@ spec:
             - 150M
             - '--vm-hang'
             - '1'
-          command:
-            - stress
-          image: polinux/stress
+          image: quay.io/akuity/stress-ng
           imagePullPolicy: IfNotPresent
           name: oom
           startupProbe: