Add placeholders for FRH stack setup + teardown

Author: ycombinator

.buildkite/bk.integration.pipeline.yml

@@ -28,6 +28,22 @@ steps:
       image: "docker.elastic.co/ci-agent-images/platform-ingest/buildkite-agent-beats-ci-with-hooks:0.5"
       useCustomGlobalHooks: true
 
+  - label: Start ECH FRH stack for FIPS integration tests
+    key: integration-frh
+#   FIXME: implement once an ECH FRH environment is available
+#    env:
+#      ASDF_TERRAFORM_VERSION: 1.9.2
+#    command: |
+#      #!/usr/bin/env bash
+#      set -euo pipefail
+#      source .buildkite/scripts/steps/frh_start.sh
+#    artifact_paths:
+#      - test_infra/frh/*.tfstate
+#      - test_infra/frh/*.lock.hcl
+#    agents:
+#      image: "docker.elastic.co/ci-agent-images/platform-ingest/buildkite-agent-beats-ci-with-hooks:0.5"
+#      useCustomGlobalHooks: true
+
   - group: "Stateful: Windows"
     key: integration-tests-win
     depends_on:
@@ -477,6 +493,19 @@ steps:
       image: "docker.elastic.co/ci-agent-images/platform-ingest/buildkite-agent-beats-ci-with-hooks:0.5"
       useCustomGlobalHooks: true
 
+  - label: ECH FRH stack cleanup
+    depends_on:
+      - integration-tests-fips
+#    FIXME: implement when implementing integration-frh above
+#    allow_dependency_failure: true
+#    command: |
+#      buildkite-agent artifact download "test_infra/frh/**" . --step "integration-frh"
+#      ls -lah test_infra/frh
+#      .buildkite/scripts/steps/frh_down.sh
+#    agents:
+#      image: "docker.elastic.co/ci-agent-images/platform-ingest/buildkite-agent-beats-ci-with-hooks:0.5"
+#      useCustomGlobalHooks: true
+
   - label: Aggregate test reports
     # Warning: The key has a hook in pre-command
     key: aggregate-reports