ci: debos: upload artifacts to fileserver

Signed-off-by: Loïc Minier <[email protected]>

Author: lool

.github/workflows/debos.yml

@@ -26,6 +26,8 @@ defaults:
 env:
   INCUS_IMAGE: images:debian/trixie/arm64
   INCUS_NAME: debos
+  FILESERVER_DIR: /srv/gh-runners/quic-yocto/builds
+  FILESERVER_URL: https://quic-yocto-fileserver-1029608027416.us-central1.run.app
 
 # cancel in progress builds for this workflow triggered by the same ref
 concurrency:
@@ -97,3 +99,18 @@ jobs:
           EOF
           ) | sudo incus exec "${INCUS_NAME}" -- sh
 
+      - name: Upload artifacts to fileserver
+        run: |
+          set -x
+          # curl will be used to talk to fileserver; should be installed by
+          # default
+          sudo apt -y install curl
+          # create a directory for the current run
+          dir="${FILESERVER_DIR}/${GITHUB_RUN_ID}"
+          mkdir -vp "${dir}"
+          # copy output files
+          cp -v disk.img "${dir}"
+          # instruct fileserver to publish this directory
+          url="${FILESERVER_URL}/${GITHUB_RUN_ID}/"
+          curl -X POST -H 'Accept: text/event-stream' "${url}"
+