Try regional gcs buckets

.buildkite/pipelines/pull_request/base.yml

@@ -1,18 +1,18 @@
 steps:
-  - command: .buildkite/scripts/steps/bazel_cache/test_clean.sh
-    label: Initial bootstrap with no local cache
-    timeout_in_minutes: 20
-    agents:
-      queue: n2-4-spot
+  # - command: .buildkite/scripts/steps/bazel_cache/test_clean.sh
+  #   label: Initial bootstrap with no local cache
+  #   timeout_in_minutes: 20
+  #   agents:
+  #     queue: n2-4-spot
 
-  - wait
+  # - wait
 
-  - command: .buildkite/scripts/steps/bazel_cache/test.sh
-    label: Bootstrap with disk cache
-    timeout_in_minutes: 20
-    parallelism: 100
-    agents:
-      queue: n2-4-spot
+  # - command: .buildkite/scripts/steps/bazel_cache/test.sh
+  #   label: Bootstrap with disk cache
+  #   timeout_in_minutes: 20
+  #   parallelism: 100
+  #   agents:
+  #     queue: n2-4-spot
 
   - command: .buildkite/scripts/steps/bazel_cache/test_clean.sh
     label: Bootstrap with no disk cache

.buildkite/scripts/bootstrap.sh

@@ -5,13 +5,16 @@ set -euo pipefail
 source .buildkite/scripts/common/util.sh
 source .buildkite/scripts/common/setup_bazel.sh
 
-REMOTE_CACHE_PASSWORD="$(retry 5 5 vault read -field=password secret/kibana-issues/dev/bazel-remote-cache-test)"
+BAZEL_REGION="us-central1"
+if [[ "$(curl -is metadata.google.internal || true)" ]]; then
+  BAZEL_REGION=$(curl -sH Metadata-Flavor:Google http://metadata.google.internal/computeMetadata/v1/instance/zone | rev | cut -c3- | rev)
+fi
+
+BAZEL_BUCKET="kibana-ci-bazel_$BAZEL_REGION"
 
 cat << EOF > .bazelrc
 import %workspace%/.bazelrc.common
-#build --remote_cache=grpc://test:${REMOTE_CACHE_PASSWORD}@34.121.74.141:9092
-#build --experimental_remote_cache_compression
-build --remote_cache=https://storage.googleapis.com/kibana_ci_bazel_remote_cache
+build --remote_cache=https://storage.googleapis.com/$BAZEL_BUCKET
 build --google_default_credentials
 EOF