chore: now testing on Aspect Workflows RBE (#920)

.github/workflows/ci.yaml

@@ -32,20 +32,6 @@ jobs:
           )
           printf -v j '{%s},' "${a[@]}"
           echo "res=[${j%,}]" | tee -a $GITHUB_OUTPUT
-      - id: config
-        name: Prepare 'config' matrix axis
-        # Don't run RBE if there is no API key which is the case on forks.
-        run: |
-          a=( local )
-          if [[ "${{ github.ref_name }}" == "main" ]] || [[ "$HEAD_REF" == *"rbe"* ]]; then
-            if [[ "${{ env.BUILDBUDDY_API_KEY }}" ]]; then
-              a+=( rbe )
-            fi
-          fi
-          printf -v j '"%s",' "${a[@]}"
-          echo "res=[${j%,}]" | tee -a $GITHUB_OUTPUT
-        env:
-          BUILDBUDDY_API_KEY: ${{ secrets.BUILDBUDDY_API_KEY }}
       - id: os
         name: Prepare 'os' matrix axis
         # Only run MacOS and Windows on main branch (not PRs) to minimize minutes (billed at 10X and 2X respectively)
@@ -95,20 +81,10 @@ jobs:
           - os: windows
             bazel-version:
               major: 6
-          # Don't run RBE tests with Bazel 6 to reduce the size of the test matrix
-          - bazel-version:
-              major: 6
-            config: rbe
           # Don't run bzlmod tests with Bazel 6 to reduce the size of the test matrix
           - bazel-version:
               major: 6
             bzlmod: 1
-          # Don't test RBE with on MacOS (not configured)
-          - os: macos
-            config: rbe
-          # Don't test RBE with on Windows (not configured)
-          - os: windows
-            config: rbe
           # Root workspace is bzlmod-only
           - folder: .
             bzlmod: 0
@@ -140,15 +116,6 @@ jobs:
           # root .bazelrc brings these in with try-imports. In this CI workflows, we explicitly
           # bring in the version specific bazelrc file with --bazelrc when we invoke bazel.
           rm ${GITHUB_WORKSPACE//\\/\/}/.aspect/bazelrc/local/*.bazelrc
-      - name: Write rbe credentials
-        if: ${{ matrix.config == 'rbe' }}
-        working-directory: ${{ matrix.folder }}
-        run: |
-          touch $HOME/.bazelrc
-          chmod 0600 $HOME/.bazelrc
-          echo "build --remote_header=x-buildbuddy-api-key=$BUILDBUDDY_API_KEY" > $HOME/.bazelrc
-        env:
-          BUILDBUDDY_API_KEY: ${{ secrets.BUILDBUDDY_API_KEY }}
       # TODO: remove this block once we have Aspect CLI Windows releases
       - name: Don't use Aspect CLI on Windows
         if: matrix.os == 'windows'