[1.19](backport #299) Onboard repository in Buildkite

.buildkite/pipeline.yml

@@ -0,0 +1,5 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/buildkite/pipeline-schema/main/schema.json
+
+steps:
+  - label: "Example test"
+    command: echo "Hello!"

.buildkite/pull-requests.json

@@ -0,0 +1,20 @@
+{
+    "jobs": [
+        {
+            "enabled": true,
+            "pipelineSlug": "golang-crossbuild",
+            "allow_org_users": true,
+            "allowed_repo_permissions": ["admin", "write"],
+            "allowed_list": [ ],
+            "set_commit_status": true,
+            "build_on_commit": true,
+            "build_on_comment": true,
+            "trigger_comment_regex": "^(?:(?:buildkite\\W+)?(?:build|test)\\W+(?:this|it))|^/test$",
+            "always_trigger_comment_regex": "^(?:(?:buildkite\\W+)?(?:build|test)\\W+(?:this|it))|^/test$",
+            "skip_ci_labels": [  ],
+            "skip_target_branches": [ ],
+            "skip_ci_on_only_changed": [ ],
+            "always_require_ci_on_changed": [ ]
+        }
+    ]
+}

catalog-info.yaml

@@ -0,0 +1,58 @@
+# Declare a Backstage Component that represents your application.
+---
+# yaml-language-server: $schema=https://json.schemastore.org/catalog-info.json
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: golang-crossbuild
+
+spec:
+  type: tool
+  owner: group:ingest-fp
+  system: platform-ingest
+  lifecycle: production
+
+---
+# yaml-language-server: $schema=https://gist.githubusercontent.com/elasticmachine/988b80dae436cafea07d9a4a460a011d/raw/e57ee3bed7a6f73077a3f55a38e76e40ec87a7cf/rre.schema.json
+apiVersion: backstage.io/v1alpha1
+kind: Resource
+metadata:
+  name: buildkite-pipeline-golang-crossbuild
+  description: 'Pipeline for the golang-crossbuild project'
+  links:
+    - title: Pipeline
+      url: https://buildkite.com/elastic/golang-crossbuild
+
+spec:
+  type: buildkite-pipeline
+  owner: group:ingest-fp
+  system: buildkite
+  implementation:
+    apiVersion: buildkite.elastic.dev/v1
+    kind: Pipeline
+    metadata:
+      name: golang-crossbuild
+      description: 'Pipeline for the golang-crossbuild project'
+    spec:
+      branch_configuration: "main v1.*"
+      pipeline_file: ".buildkite/pipeline.yml"
+      provider_settings:
+        build_pull_request_forks: false
+        build_pull_requests: true # requires filter_enabled and filter_condition settings as below when used with buildkite-pr-bot
+        build_tags: true
+        filter_enabled: true
+        filter_condition: >-
+          build.pull_request.id == null || (build.creator.name == 'elasticmachine' && build.pull_request.id != null)
+      repository: elastic/golang-crossbuild
+      cancel_intermediate_builds: true
+      cancel_intermediate_builds_branch_filter: '!main'
+      skip_intermediate_builds: true
+      skip_intermediate_builds_branch_filter: '!main'
+      # TODO uncomment this environment variable when pipeline definition is updated
+      # env:
+      #   ELASTIC_PR_COMMENTS_ENABLED: 'true'
+      teams:
+        ingest-fp:
+          access_level: MANAGE_BUILD_AND_READ
+        everyone:
+          access_level: READ_ONLY