Merge pull request #417 from canonical/testflinger-testenv

Add testflinger-testenv container

.github/workflows/build-testflinger-testenv-container.yml

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+name: Build testflinger-testenv container image
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - agent/extra/testflinger-testenv/**
+      - .github/workflows/build-testflinger-testenv-container.yml
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}/testflinger-testenv
+
+jobs:
+  build-testflinger-testenv:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        version: [focal, jammy, noble]
+
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          config-inline: |
+            [registry."docker.io"]
+              mirrors = ["https://github-runner-dockerhub-cache.canonical.com:5000"]
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: ${{ matrix.version }}
+
+      - name: Build and push backend Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: ./agent/extra/testflinger-testenv
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            BASE_IMAGE=ubuntu:${{ matrix.version }}

agent/extra/testflinger-testenv/Dockerfile

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+ARG BASE_IMAGE=ubuntu:20.04
+FROM ${BASE_IMAGE}
+ENV container=docker
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y expect build-essential curl jq gettext git openssh-client pipx python3-dev python3-pip python3-psutil python3-requests python3-setuptools python3-venv software-properties-common sudo sshpass virtualenv wget 
+RUN adduser -u 1000 --disabled-password ubuntu || /bin/true
+RUN echo "ubuntu ALL=(root) NOPASSWD:ALL" > /etc/sudoers.d/ubuntu && \
+    chmod 0440 /etc/sudoers.d/ubuntu
+#Avoid sudo rlimit error
+RUN echo "Set disable_coredump false" >> /etc/sudo.conf
+USER ubuntu
+WORKDIR /home/ubuntu
+CMD [ "/bin/bash" ]

agent/extra/testflinger-testenv/README

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+This Dockerfile creates a basic test environment for running the test phase of testflinger agents in a Docker container.