workflow: Add workflow verifing integration with the upstream Zephyr

# Copyright (c) 2022 Nordic Semiconductor ASA

# SPDX-License-Identifier: Apache-2.0

name: Build Zephyr samples with Twister

# Workflow triggers on PRs, pushes to main, once per day at midnight and can be started manually.

on:

  # By default, pull_request includes: opened, synchronize, or reopened

  pull_request:

    branches:

      - main

  push:

    branches:

      - main

  schedule:

    - cron: 0 0 * * *

  # When triggered manually, ask for Zephyr and MCUBoot versions to check out

  workflow_dispatch:

    inputs:

      version_zephyr:

        description: 'Which Zephyr version to checkout?'

        required: true

        default: 'main'

      version_mcuboot:

        description: 'Which MCUBoot version to checkout?'

        required: true

        default: 'main'

env:

  ZEPHYR_VERSION: 'main'

  MCUBOOT_VERSION: 'main'

# Only cancel ongoing runs for PRs

concurrency:

  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}

  cancel-in-progress: true

jobs:

  build_zephyr_with_twister:

    runs-on: ubuntu-latest

    # Docker image from the zephyr upstream. Includes SDK and other required tools

    container:

      image: zephyrprojectrtos/ci:v0.21.0

      options: '--entrypoint /bin/bash'

      volumes:

        - /home/runners/zephyrproject:/github/cache/zephyrproject

    env:

      ZEPHYR_SDK_INSTALL_DIR: /opt/toolchains/zephyr-sdk-0.13.2

    steps:

      - name: Set versions when workflow_dispatch

        if: github.event_name == 'workflow_dispatch'

        run: |

          echo "ZEPHYR_VERSION=${{ github.event.inputs.version_zephyr }}" >> $GITHUB_ENV

          echo "MCUBOOT_VERSION=${{ github.event.inputs.version_mcuboot }}" >> $GITHUB_ENV

      - name: Set versions when pull_request

        if: github.event_name == 'pull_request'

        run: |

          echo "MCUBOOT_VERSION=${{ github.event.pull_request.head.sha }}" >> $GITHUB_ENV

      - name: Checkout Zephyr

        uses: actions/checkout@v2

        with:

          repository: 'zephyrproject-rtos/zephyr'

          ref: ${{ env.ZEPHYR_VERSION }}

          path: 'repos/zephyr'

      - name: Setup Zephyr

        working-directory: repos/zephyr

        run: |

          west init -l .

          west update

      - name: Checkout MCUBoot

        uses: actions/checkout@v2

        with:

          repository: 'mcu-tools/mcuboot'

          ref: ${{ env.MCUBOOT_VERSION }}

          path: 'repos/bootloader/mcuboot'

      - name: Run Twister tests

        working-directory: repos/zephyr

        env:

          test_paths: >

              -T ../bootloader/mcuboot/boot/zephyr

              -T ./tests/subsys/dfu

              -T ./samples/subsys/mgmt/mcumgr/smp_svr

        run: |

          export ZEPHYR_BASE=${PWD}

          export ZEPHYR_TOOLCHAIN_VARIANT=zephyr

          echo "Using Zephyr version: ${{ env.ZEPHYR_VERSION }}"

          echo "Using Mcuboot version: ${{ env.MCUBOOT_VERSION }}"

          ./scripts/twister --inline-logs -v -N -M --integration --overflow-as-errors --retry-failed 2 ${test_paths}

      - name: Upload Tests Results

        uses: actions/upload-artifact@v2

        if: always()

        with:

          name: Tests Results

          if-no-files-found: ignore

          path: |

            repos/zephyr/twister-out/twister.xml