CI: build: add checks to test if toolchain container can be used

Add checks to test if toolchain container can be used.
This is to handle case of new target or migration of any sort.

If the toolchain container can't be found, the tools container is used
instead.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit 23a5c715a9296e828be5c32eadf68eacdb326a0a)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da389e9cf86f5a7120d7b0c7c35bd6714cd2d17e..c3843d1dfcdcf9ffb2b1da78059aed0d00085337 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -65,6 +65,7 @@ jobs:
     outputs:
       owner_lc: ${{ steps.lower_owner.outputs.owner_lc }}
       container_tag: ${{ steps.determine_tools_container.outputs.container_tag }}
+      container_name: ${{ steps.determine_tools_container.outputs.container_name }}
 
     steps:
       - name: Checkout
@@ -91,6 +92,7 @@ jobs:
       - name: Determine tools container tag
         id: determine_tools_container
         run: |
+          CONTAINER_NAME=${{ inputs.container_name }}
           CONTAINER_TAG=latest
           if [ -n "${{ github.base_ref }}" ]; then
             if echo "${{ github.base_ref }}" | grep -q -E '^openwrt-[0-9][0-9]\.[0-9][0-9]$'; then
@@ -107,15 +109,29 @@ jobs:
               CONTAINER_TAG=openwrt-"$(echo ${{ github.ref_name }} | sed 's/^v\([0-9][0-9]\.[0-9][0-9]\)\..\+/\1/')"
             fi
           fi
-          echo "Tools container to use tools:$CONTAINER_TAG"
+
+          if [ "$CONTAINER_NAME" = "toolchain" ]; then
+            GHCR_TOKEN=$(echo ${{ secrets.GITHUB_TOKEN }} | base64)
+            GHCR_HEADER="Authorization: Bearer ${GHCR_TOKEN}"
+            GHCR_MANIFEST_LINK=https://ghcr.io/v2/${{ steps.lower_owner.outputs.owner_lc }}/${{ inputs.container_name }}/manifests/${{ inputs.target }}-${{ inputs.subtarget }}-"$CONTAINER_TAG"
+            # Check if container exist
+            if [ $(curl -s -o /dev/null -w "%{http_code}" -H "$GHCR_HEADER" -I "$GHCR_MANIFEST_LINK") = 200 ]; then
+              CONTAINER_TAG=${{ inputs.target }}-${{ inputs.subtarget }}-"$CONTAINER_TAG"
+            else
+              CONTAINER_NAME=tools
+            fi
+          fi
+
+          echo "Tools container to use $CONTAINER_NAME:$CONTAINER_TAG"
           echo "container_tag=$CONTAINER_TAG" >> $GITHUB_OUTPUT
+          echo "container_name=$CONTAINER_NAME" >> $GITHUB_OUTPUT
 
   build:
     name: Build ${{ inputs.target }}/${{ inputs.subtarget }}
     needs: setup_build
     runs-on: ubuntu-latest
 
-    container: ghcr.io/${{ needs.setup_build.outputs.owner_lc }}/${{ inputs.container_name }}:${{ needs.setup_build.outputs.container_tag }}
+    container: ghcr.io/${{ needs.setup_build.outputs.owner_lc }}/${{ needs.setup_build.outputs.container_name }}:${{ needs.setup_build.outputs.container_tag }}
 
     permissions:
       contents: read