Add annotations to PR benchmark pipeline

Author: gbanasiak

.buildkite/scripts/generate-pr-performance-benchmark.sh

@@ -2,39 +2,67 @@
 
 set -euo pipefail
 
+# uncomment for tests
+#function buildkite-agent {
+#  local command=$1
+#  echo "$@"
+#  if [ "$command" == "annotate" ]; then
+#    while read -r _; do
+#      true;
+#    done
+#  fi
+#}
+
 env_id_baseline=$(python3 -c 'import uuid; print(uuid.uuid4())')
 env_id_contender=$(python3 -c 'import uuid; print(uuid.uuid4())')
 merge_base=$(git merge-base "${GITHUB_PR_TARGET_BRANCH}" HEAD)
 
+# PR comment
+buildkite-agent meta-data set pr_comment:early_comment_job_id "$BUILDKITE_JOB_ID"
 buildkite-agent meta-data set pr_comment:custom-body:body \
-  "This build attempted two ${GITHUB_PR_COMMENT_VAR_BENCHMARK} benchmarks to evaluate performance impact of this PR."
+  "This build attempts two ${GITHUB_PR_COMMENT_VAR_BENCHMARK} benchmarks to evaluate performance impact of this PR."
 buildkite-agent meta-data set pr_comment:custom-baseline:head \
   "* Baseline: ${merge_base} (env ID ${env_id_baseline})"
 buildkite-agent meta-data set pr_comment:custom-contender:head \
   "* Contender: ${GITHUB_PR_TRIGGERED_SHA} (env ID ${env_id_contender})"
 
-cat << _EOF_
+# Buildkite annotation
+cat << _EOF1_ | buildkite-agent annotate --context "pr-benchmark-notification"
+This build attempts two ${GITHUB_PR_COMMENT_VAR_BENCHMARK} benchmarks to evaluate performance impact of this PR.
+* Baseline: [${merge_base:0:7}](https://github.com/elastic/elasticsearch/commit/${merge_base}) (env ID ${env_id_baseline})
+* Contender: [${GITHUB_PR_TRIGGERED_SHA:0:7}](https://github.com/elastic/elasticsearch/commit/${GITHUB_PR_TRIGGERED_SHA}) (env ID ${env_id_contender})
+_EOF1_
+
+cat << _EOF2_
 steps:
-  - label: Trigger baseline benchmark
+  - label: Trigger baseline benchmark with ${merge_base:0:7}
     trigger: elasticsearch-performance-esbench-pr
     build:
-      message: Baseline benchmark for PR${GITHUB_PR_NUMBER}
+      message: Baseline benchmark for PR${GITHUB_PR_NUMBER} with ${merge_base:0:7}
       branch: master
       env:
         CONFIGURATION_NAME: ${GITHUB_PR_COMMENT_VAR_BENCHMARK}
         ENV_ID: ${env_id_baseline}
         REVISION: ${merge_base}
-  - label: Trigger contender benchmark
+  - label: Trigger contender benchmark with ${GITHUB_PR_TRIGGERED_SHA:0:7}
     trigger: elasticsearch-performance-esbench-pr
     build:
-      message: Contender benchmark for PR${GITHUB_PR_NUMBER}
+      message: Contender benchmark for PR${GITHUB_PR_NUMBER} with ${GITHUB_PR_TRIGGERED_SHA:0:7}
       branch: master
       env:
         CONFIGURATION_NAME: ${GITHUB_PR_COMMENT_VAR_BENCHMARK}
         ENV_ID: ${env_id_contender}
         ES_REPO_URL: https://github.com/${GITHUB_PR_OWNER}/${GITHUB_PR_REPO}.git
         REVISION: ${GITHUB_PR_TRIGGERED_SHA}
   - wait: ~
-  - label: Modify PR comment
-    command: buildkite-agent meta-data set pr_comment:custom-comparison:head "* [Benchmark results](<https://esbench-metrics.kb.us-east-2.aws.elastic-cloud.com:9243/app/dashboards#/view/d9079962-5866-49ef-b9f5-145f2141cd31?_a=(query:(language:kuery,query:'user-tags.env-id:${env_id_baseline} or user-tags.env-id:${env_id_contender}'))>)"
-_EOF_
+  - label: Update PR comment and Buildkite annotation
+    command: |
+      buildkite-agent meta-data set pr_comment:custom-body:body "This build ran two ${GITHUB_PR_COMMENT_VAR_BENCHMARK} benchmarks to evaluate performance impact of this PR."
+      buildkite-agent meta-data set pr_comment:custom-comparison:head "* [Benchmark results](<https://esbench-metrics.kb.us-east-2.aws.elastic-cloud.com:9243/app/dashboards#/view/d9079962-5866-49ef-b9f5-145f2141cd31?_a=(query:(language:kuery,query:'user-tags.env-id:${env_id_baseline} or user-tags.env-id:${env_id_contender}'))>)"
+      cat << _EOF3_ | buildkite-agent annotate --context "pr-benchmark-notification"
+This build ran two ${GITHUB_PR_COMMENT_VAR_BENCHMARK} benchmarks to evaluate performance impact of this PR.
+* Baseline: [${merge_base:0:7}](https://github.com/elastic/elasticsearch/commit/${merge_base}) (env ID ${env_id_baseline})
+* Contender: [${GITHUB_PR_TRIGGERED_SHA:0:7}](https://github.com/elastic/elasticsearch/commit/${GITHUB_PR_TRIGGERED_SHA}) (env ID ${env_id_contender})
+* [Benchmark results](<https://esbench-metrics.kb.us-east-2.aws.elastic-cloud.com:9243/app/dashboards#/view/d9079962-5866-49ef-b9f5-145f2141cd31?_a=(query:(language:kuery,query:'user-tags.env-id:${env_id_baseline} or user-tags.env-id:${env_id_contender}'))>)
+_EOF3_
+_EOF2_