add build step and github actions workflow

.github/workflows/release.yaml

@@ -0,0 +1,57 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+    - '*' # Any tag
+
+name: Upload Release Asset
+
+jobs:
+  # https://github.com/actions/upload-release-asset#example-workflow---upload-a-release-asset
+  build:
+    name: Upload Release Asset
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Set vars stage 1
+        run: |
+          export TAG=$(echo ${{ github.ref }} | cut -d'/' -f3)
+          echo "release=$(echo $TAG | cut -d'-' -f1)"  >> $GITHUB_ENV
+          echo "target=$(echo $TAG | cut -d'-' -f2)" >> $GITHUB_ENV
+          echo "subtarget=$(echo $TAG | cut -d'-' -f3)" >> $GITHUB_ENV
+      - name: Set vars stage 2
+        run: |
+          echo "target_dir=./builder/bin/targets/${{ env.target }}/${{ env.subtarget }}" >> $GITHUB_ENV
+          echo "combined_img=openwrt-${{ env.release }}-${{ env.target }}-${{ env.subtarget }}-combined-squashfs.img.gz" >> $GITHUB_ENV
+      - name: Build project
+        run: |
+          make release="${{ env.release }}" target="${{ env.target }}" subtarget="${{ env.subtarget }}"
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Upload combined image
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ${{ env.target_dir }}/${{ env.combined_img }}
+          asset_name: ${{ env.combined_img }}
+          asset_content_type: application/gzip
+      - name: Upload sha256sums
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ${{ env.target_dir }}/sha256sums
+          asset_name: sha256sums
+          asset_content_type: application/gzip

Makefile

@@ -1,10 +1,33 @@
-release = 19.07.7
-target = x86
-subtarget = 64
+release ?= 19.07.7
+target ?= x86
+subtarget ?= 64
 builder_url = https://downloads.openwrt.org/releases/$(release)/targets/$(target)/$(subtarget)/openwrt-imagebuilder-$(release)-$(target)-$(subtarget).Linux-x86_64.tar.xz
 builder_filename = $(notdir $(builder_url))
 checksums_url = https://downloads.openwrt.org/releases/$(release)/targets/$(target)/$(subtarget)/sha256sums
 
+build_profile = Generic
+build_packages = \
+	rsyslog \
+	luci \
+	luci-app-unbound \
+	unbound-daemon-heavy \
+	luci-app-wireguard \
+	luci-proto-wireguard \
+	python3-light \
+	python3-logging \
+	python3-ctypes \
+	libustream-openssl20150806 \
+	ca-bundle \
+	ca-certificates \
+	nmap \
+	tcpdump \
+	bwm-ng \
+	iperf \
+	screen
+
+.PHONY: all
+all: install-deps get-builder build
+
 install-deps:
 	# https://openwrt.org/docs/guide-user/additional-software/imagebuilder#debianubuntu
 	sudo apt-get update
@@ -15,6 +38,10 @@ get-builder:
 	wget -q $(builder_url) -O $(builder_filename)
 	wget -q $(checksums_url) -O sha256sums
 	grep $(builder_filename) sha256sums | sha256sum --check --status
-	mkdir -p builder/
-	tar -xf $(builder_filename) -C builder/ --strip-components=1
 
+build:
+	rm -rf builder && mkdir builder/
+	tar -xf $(builder_filename) -C builder/ --strip-components=1
+	cd builder/ && make image PROFILE=$(build_profile) PACKAGES="$(build_packages)"
+	du -hs builder/bin/targets/$(target)/$(subtarget)/*
+	cat builder/bin/targets/$(target)/$(subtarget)/sha256sums