Add CI/CD step to upload artifacts off-site (#244)

* Download and list artifacts after build

* Add commit hash + file extension to artifact name

* Initial SSH implementation

* Don't build artifacts for PRs

* Fetch endpoint from secret

* Zip artifacts before uploading to CDN

* Use short SHA in archive names

.github/workflows/check-builds.yaml

@@ -13,6 +13,9 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-latest
     steps:
+      - name: Set environment
+        run: echo "SHORT_SHA=${GITHUB_SHA::7}" >> $GITHUB_ENV
+        shell: bash
       - uses: actions/checkout@v2
         with:
           submodules: recursive
@@ -42,12 +45,15 @@ jobs:
       - name: Upload build artifact
         uses: actions/upload-artifact@v2
         with:
-          name: ubuntu20_04-bin-x64
+          name: 'ubuntu20_04-bin-x64-${{ env.SHORT_SHA }}'
           path: bin
 
   windows-build:
     runs-on: windows-2019
     steps:
+      - name: Set environment
+        run: $s = $env:GITHUB_SHA.subString(0, 7); echo "SHORT_SHA=$s" >> $env:GITHUB_ENV
+        shell: pwsh
       - uses: actions/checkout@v2
         with:
           submodules: recursive
@@ -92,5 +98,36 @@ jobs:
       - name: Upload build artifact
         uses: actions/upload-artifact@v2
         with:
-          name: windows-vs2019-bin-x64
+          name: 'windows-vs2019-bin-x64-${{ env.SHORT_SHA }}'
           path: bin
+
+  copy-artifacts:
+    if: github.event_name != 'pull_request'
+    runs-on: ubuntu-latest
+    needs: [windows-build, ubuntu-build]
+    env:
+      BOT_SSH_KEY: ${{ secrets.BOT_SSH_KEY }}
+      ENDPOINT: ${{ secrets.ENDPOINT }}
+    steps:
+      - run: mkdir ${{ github.sha }}
+      - uses: actions/download-artifact@v3
+        with:
+          path: ${{ github.sha }}
+      - name: Prepare artifacts
+        shell: bash
+        run: |
+          sudo apt install zip -y
+          cd ${{ github.sha }}
+          for build in *; do
+            cd $build
+            zip ../$build.zip *
+            cd ..
+            rm -r $build
+          done
+          cd ..
+      - name: Upload artifacts
+        shell: bash
+        run: |
+          umask 077
+          printf %s "$BOT_SSH_KEY" > cdn_key
+          scp -i cdn_key -o StrictHostKeyChecking=no -r ${{ github.sha }} $ENDPOINT