Try to run extras and host-tests on self-hosted(mac-mini) and GH-ubuntu-latest runners (#4052)

Author: JurajSadel

.github/workflows/check_runner.yml

@@ -0,0 +1,45 @@
+name: Check Runner
+
+on:
+  workflow_call:
+    inputs:
+      primary-runner:
+        required: true
+        type: string
+      fallback-runner:
+        required: true
+        type: string
+
+    outputs:
+      selected-runner:
+        description: "The runner to use (primary if available, otherwise fallback)"
+        value: ${{ jobs.detect-runner.outputs.selected-runner }}
+
+jobs:
+  detect-runner:
+    runs-on: ubuntu-latest
+    outputs:
+      selected-runner: ${{ steps.runner-check.outputs.runner }}
+    steps:
+      - id: runner-check
+        name: Determine runner availability (org-level)
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ORG_NAME: ${{ github.repository_owner }}
+          PRIMARY_RUNNER: ${{ inputs.primary-runner }}
+          FALLBACK_RUNNER: ${{ inputs.fallback-runner }}
+        run: |
+          response=$(curl -s -H "Authorization: Bearer $GH_TOKEN" \
+            -H "Accept: application/vnd.github+json" \
+            "https://api.github.com/orgs/$ORG_NAME/actions/runners")
+
+          AVAILABLE=$(echo "$response" | jq --arg name "$PRIMARY_RUNNER" \
+            '.runners // [] | map(select(.name == $name and .status == "online" and .busy == false)) | length')
+
+          if [[ "$AVAILABLE" -gt 0 ]]; then
+            echo "$PRIMARY_RUNNER is available"
+            echo "runner=$PRIMARY_RUNNER" >> "$GITHUB_OUTPUT"
+          else
+            echo "Falling back to $FALLBACK_RUNNER"
+            echo "runner=$FALLBACK_RUNNER" >> "$GITHUB_OUTPUT"
+          fi

.github/workflows/ci.yml

@@ -100,15 +100,25 @@ jobs:
         # always invokes +esp internally
         run: cargo xcheck semver-check --chips ${{ matrix.device.soc }} check
 
-  extras:
-    runs-on: macos-m1-self-hosted
+  detect-extras-runner:
+    uses: ./.github/workflows/check_runner.yml
+    with:
+      primary-runner: macos-m1-self-hosted
+      fallback-runner: ubuntu-latest
 
+  extras:
+    needs: detect-extras-runner
+    runs-on: ${{ needs.detect-extras-runner.outputs.selected-runner }}
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
 
+      # Install dependencies for building the extra crates on ubuntu
+      - name: Install dependencies
+        if: runner.os == 'Linux'
+        run: sudo apt-get update && sudo apt-get -y install musl-tools libudev-dev pkg-config
       # Build the extra crates
       - name: Build the bench-server
         run: cd extras/bench-server && cargo build
@@ -150,9 +160,15 @@ jobs:
   # --------------------------------------------------------------------------
   # host tests
 
+  detect-host-tests-runner:
+    uses: ./.github/workflows/check_runner.yml
+    with:
+      primary-runner: macos-m1-self-hosted
+      fallback-runner: ubuntu-latest
+    
   host-tests:
-    runs-on: macos-m1-self-hosted
-
+    needs: detect-host-tests-runner
+    runs-on: ${{ needs.detect-host-tests-runner.outputs.selected-runner }}
     steps:
       - uses: actions/checkout@v4
       # Some of the configuration items in 'rustfmt.toml' require the 'nightly'
@@ -184,4 +200,4 @@ jobs:
 
       # Miri tests in esp-storage
       - run: cd esp-storage && cargo +nightly miri test --features=emulation -- --test-threads=1
-      - run: cd esp-storage && cargo +nightly miri test --features=emulation,bytewise-read -- --test-threads=1
+      - run: cd esp-storage && cargo +nightly miri test --features=emulation,bytewise-read -- --test-threads=1