From 9bf1428b781b93654a2daf388efda321cf0f4d04 Mon Sep 17 00:00:00 2001
From: Jonathan Budzenski <jon@elastic.co>
Date: Mon, 10 Oct 2022 08:19:36 -0500
Subject: [PATCH] Re-enable Bazel cache on CI (#142975)

* Re-enable Bazel cache on CI

* remove exit test

(cherry picked from commit 30e482bc8ea89b499811e2a195405a2a70125fa6)
---
 .buildkite/scripts/common/setup_bazel.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.buildkite/scripts/common/setup_bazel.sh b/.buildkite/scripts/common/setup_bazel.sh
index a60543e36c941..503ce2ef06c91 100755
--- a/.buildkite/scripts/common/setup_bazel.sh
+++ b/.buildkite/scripts/common/setup_bazel.sh
@@ -11,12 +11,18 @@ cat <<EOF > $KIBANA_DIR/.bazelrc
   build --build_metadata=ROLE=CI
 EOF
 
-BAZEL_CACHE_MODE=none
+BAZEL_CACHE_MODE=${BAZEL_CACHE_MODE:-gcs}
 
 if [[ "$BAZEL_CACHE_MODE" == "gcs" ]]; then
   echo "[bazel] enabling caching with GCS buckets"
 
   BAZEL_REGION="${BUILDKITE_AGENT_GCP_REGION:-us-central1}"
+
+  if ! [[ "$BAZEL_REGION" =~ ^(us-central1|northamerica-northeast2|europe-west2|southamerica-east1|asia-south2)$ ]]; then
+    echo "unsupported bazel cache region $BAZEL_REGION"
+    exit 1
+  fi
+
   BAZEL_BUCKET="kibana-ci-bazel_$BAZEL_REGION"
 
   echo "[bazel] using GCS bucket: $BAZEL_BUCKET"