GODRIVER-3102: Perf comp PR comment pipeline

.evergreen/config.yml

@@ -268,8 +268,11 @@ functions:
       type: test
       params:
         binary: bash
+        add_expansions_to_env: true
         env:
           VERSION_ID: ${version_id}
+          BASE_SHA: "${revision}"
+          HEAD_SHA: "${github_commit}"
         include_expansions_in_env: [PERF_URI_PRIVATE_ENDPOINT]
         args: [*task-runner, perf-pr-comment]
 
@@ -669,6 +672,7 @@ tasks:
         params:
           binary: bash
           args: [*task-runner, driver-benchmark]
+      - func: assume-test-secrets-ec2-role
       - func: send-perf-data
       - func: send-perf-pr-comment
 

.gitignore

@@ -25,6 +25,7 @@ go.work.sum
 .task
 env.sh
 expansion.yml
+bin
 
 # AWS SAM-generated files
 internal/cmd/faas/awslambda/.aws-sam
@@ -38,6 +39,10 @@ internal/cmd/compilecheck/compilecheck.so
 api-report.md
 api-report.txt
 
+# Ignore perf report files
+perf-report.md
+perf-report.txt
+
 # Ignore secrets files
 secrets-expansion.yml
 secrets-export.sh

etc/perf-pr-comment.sh

@@ -5,5 +5,22 @@
 set -eux
 
 pushd ./internal/cmd/perfcomp >/dev/null || exist
-GOWORK=off go run main.go --project="mongo-go-driver" ${VERSION_ID}
+GOWORK=off go build -o ../../../bin/perfcomp .
 popd >/dev/null
+
+# Generate perf report.
+GOWORK=off ./bin/perfcomp compare --project="mongo-go-driver" ${VERSION_ID} > ./internal/cmd/perfcomp/perf-report.txt
+
+if [[ -n "${BASE_SHA+set}" && -n "${HEAD_SHA+set}" && "$BASE_SHA" != "$HEAD_SHA" ]]; then
+    # Parse and generate perf comparison comment.
+    GOWORK=off ./bin/perfcomp mdreport
+    # Make the PR comment.
+    target=$DRIVERS_TOOLS/.evergreen/github_app/create_or_modify_comment.sh
+    bash $target -m "## 🧪 Performance Results" -c "$(pwd)/perf-report.md" -h $HEAD_SHA -o "mongodb" -n "mongo-go-driver"
+    rm ./perf-report.md
+else
+    # Skip comment if it isn't a PR run.
+    echo "Skipping Perf PR comment"
+fi
+
+rm ./internal/cmd/perfcomp/perf-report.txt