[DNM, WIP] ci: migrate .drone.yml to github build action

Signed-off-by: Tim Serong <[email protected]>

.github/workflows/build.yml

@@ -0,0 +1,62 @@
+name: build
+on:
+  push:
+    branches:
+    - master
+    - v*
+  pull_request:
+#env:
+  # Fake up DRONE_BRANCH so it's picked up when dapper gets to scripts/version
+  # This is no good for PRs, because it'll be, e.g. "697/merge", which breaks things
+  # as the version is used in file paths.  Probably fine for master and v* versions
+  # though...
+  #DRONE_BRANCH: ${{ github.ref_name }}
+jobs:
+  build-amd64-iso:
+    env:
+      ARCH: amd64
+      HELM_VERSION: v3.3.1
+    name: Build AMD64 ISO
+    runs-on: repo--harvester--harvester-installer--amd64
+    container:
+      image: registry.suse.com/bci/golang:1.21
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Do all the stuff that Dockerfile.dapper does
+      run: |
+        zypper -n rm container-suseconnect && \
+        zypper -n install git curl podman podman-docker gzip tar wget zstd squashfs xorriso awk jq mtools dosfstools unzip rsync patch
+        curl -sfL https://github.com/mikefarah/yq/releases/download/v4.21.1/yq_linux_${ARCH} -o /usr/bin/yq && chmod +x /usr/bin/yq
+        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.57.1
+        mkdir /usr/tmp && \
+          curl https://get.helm.sh/helm-${HELM_VERSION}-linux-${ARCH}.tar.gz | \
+            tar xvzf - --strip-components=1 -C /usr/tmp/ && \
+          mv /usr/tmp/helm /usr/bin/helm
+      # Note: this is missing grub2-mbr, grub2-efi and qemu tools
+
+    - name: Keep git happy
+      run: git config --global --add safe.directory '*'
+      # without the above we get:
+      #  fatal: detected dubious ownership in repository at '/__w/harvester-installer/harvester-installer'
+      # let's not worry about what the directories might be inside the runner and just allow everything
+
+    - name: Run CI
+      run: scripts/ci
+
+  # build-arm64-iso:
+  #   name: Build ARM64 ISO
+  #   runs-on: repo--harvester--harvester-installer--arm64
+  #   container:
+  #     image: rancher/dapper:v0.5.8
+  #   steps:
+  #   # Git is not in Dapper container image. Add it manually for dirty check.
+  #   - name: Add Git
+  #     run: apk add -U git
+
+  #   - name: Checkout code
+  #     uses: actions/checkout@v4
+
+  #   - name: Run dapper ci
+  #     run: dapper ci