ci/macos: Use Engflow for bazel cache (envoyproxy#32520)

Signed-off-by: Ryan Northey <ryan@synca.io>

Signed-off-by: phlax <phlax@users.noreply.github.com>

.bazelrc

@@ -509,16 +509,18 @@ build:rbe-engflow --remote_timeout=3600s
 build:rbe-engflow --bes_timeout=3600s
 build:rbe-engflow --bes_upload_mode=fully_async
 
-build:rbe-envoy-engflow --google_default_credentials=false
-build:rbe-envoy-engflow --remote_cache=grpcs://morganite.cluster.engflow.com
+build:cache-envoy-engflow --google_default_credentials=false
+build:cache-envoy-engflow --remote_cache=grpcs://morganite.cluster.engflow.com
+build:cache-envoy-engflow --remote_timeout=3600s
+build:cache-envoy-engflow --credential_helper=*.engflow.com=%workspace%/bazel/engflow-bazel-credential-helper.sh
+build:cache-envoy-engflow --grpc_keepalive_time=30s
+build:bes-envoy-engflow --bes_backend=grpcs://morganite.cluster.engflow.com/
+build:bes-envoy-engflow --bes_results_url=https://morganite.cluster.engflow.com/invocation/
+build:bes-envoy-engflow --bes_timeout=3600s
+build:bes-envoy-engflow --bes_upload_mode=fully_async
+build:rbe-envoy-engflow --config=cache-envoy-engflow
+build:rbe-envoy-engflow --config=bes-envoy-engflow
 build:rbe-envoy-engflow --remote_executor=grpcs://morganite.cluster.engflow.com
-build:rbe-envoy-engflow --bes_backend=grpcs://morganite.cluster.engflow.com/
-build:rbe-envoy-engflow --bes_results_url=https://morganite.cluster.engflow.com/invocation/
-build:rbe-envoy-engflow --credential_helper=*.engflow.com=%workspace%/bazel/engflow-bazel-credential-helper.sh
-build:rbe-envoy-engflow --grpc_keepalive_time=30s
-build:rbe-envoy-engflow --remote_timeout=3600s
-build:rbe-envoy-engflow --bes_timeout=3600s
-build:rbe-envoy-engflow --bes_upload_mode=fully_async
 build:rbe-envoy-engflow --remote_default_exec_properties=container-image=docker://docker.io/envoyproxy/envoy-build-ubuntu:0ca52447572ee105a4730da5e76fe47c9c5a7c64@sha256:d736c58f06f36848e7966752cc7e01519cc1b5101a178d5c6634807e8ac3deab
 
 #############################################################################

.github/workflows/envoy-macos.yml

@@ -37,8 +37,6 @@ jobs:
     permissions:
       contents: read
       packages: read
-    secrets:
-      rbe-key: ${{ secrets.GCP_SERVICE_ACCOUNT_KEY }}
     if: ${{ fromJSON(needs.load.outputs.request).run.build-macos }}
     needs:
     - load
@@ -49,6 +47,7 @@ jobs:
       container-command:
       request: ${{ needs.load.outputs.request }}
       runs-on: macos-12-xl
+      source: ${{ matrix.source }}
       steps-post:
       steps-pre: ${{ matrix.steps-pre }}
       target: ${{ matrix.target }}
@@ -64,14 +63,12 @@ jobs:
               shell: bash
               name: Setup macos
           source: |
-            GCP_SERVICE_ACCOUNT_KEY_PATH=$(mktemp -t gcp_service_account.XXXXXX.json)
-            bash -c "echo \"${RBE_KEY}\" | base64 --decode > \"${GCP_SERVICE_ACCOUNT_KEY_PATH}\""
             _BAZEL_BUILD_EXTRA_OPTIONS=(
               --remote_download_toplevel
               --flaky_test_attempts=2
-              --config=cache-google
-              --config=ci
-              --google_credentials=${GCP_SERVICE_ACCOUNT_KEY_PATH})
+              --config=bes-envoy-engflow
+              --config=cache-envoy-engflow
+              --config=ci)
             export BAZEL_BUILD_EXTRA_OPTIONS=${_BAZEL_BUILD_EXTRA_OPTIONS[*]}
 
   request: