gvisor/.buildkite/hooks/post-command

# Upload test logs on failure, if there are any.
if test "${BUILDKITE_COMMAND_EXIT_STATUS}" -ne "0"; then
  # Generate a metafile that ends with .output, and contains all the
  # test failures that have been uploaded. These will all be sorted and
  # aggregated by a failure stage in the build pipeline.
  declare output=$(mktemp "${BUILDKITE_JOB_ID}".XXXXXX.output)
  make -s testlogs 2>/dev/null | grep // | sort | uniq | (
    declare log_count=0
    while read target log; do
      if test -z "${target}"; then
        continue
      fi

      # N.B. If *all* tests fail due to some common cause, then we will
      # end up spending way too much time uploading logs. Instead, we just
      # upload the first 10 and stop. That is hopefully enough to debug.
      #
      # We include this test in the metadata, but note that we cannot
      # upload the actual test logs. The user should rerun locally.
      log_count=$((${log_count}+1))
      if test "${log_count}" -ge 10; then
        echo " * ${target} (no upload)" | tee -a "${output}"
      else
        buildkite-agent artifact upload "${log}"
        echo " * [${target}](artifact://${log#/})" | tee -a "${output}"
      fi
    done
  )

  # Upload if we had outputs.
  if test -s "${output}"; then
    buildkite-agent artifact upload "${output}"
  fi
  rm -rf "${output}"

  # Attempt to clear the cache and shut down.
  make clean || echo "make clean failed with code $?"
  make bazel-shutdown || echo "make bazel-shutdown failed with code $?"
fi

# Upload all profiles, and include in an annotation.
if test -d /tmp/profile; then
  # Same as above.
  declare profile_output=$(mktemp "${BUILDKITE_JOB_ID}".XXXXXX.profile_output)
  for file in $(find /tmp/profile -name \*.pprof -print 2>/dev/null | sort); do
    # Generate a link to speedscope, with a URL-encoded link to the BuildKite
    # artifact location. Note that we use do a fixed URL encode below, since
    # the link can be uniquely determined. If the storage location changes,
    # this schema may break and these links may stop working. The artifacts
    # uploaded however, will still work just fine.
    profile_name="${file#/tmp/profile/}"
    public_url="https://storage.googleapis.com/gvisor-buildkite/${BUILDKITE_BUILD_ID}/${BUILDKITE_JOB_ID}/${file#/}"
    encoded_url=$(jq -rn --arg x "${public_url}" '$x|@uri')
    encoded_title=$(jq -rn --arg x "${profile_name}" '$x|@uri')
    profile_url="https://speedscope.app/#profileURL=${encoded_url}&title=${encoded_title}"
    buildkite-agent artifact upload "${file}"
    echo " * [${profile_name}](${profile_url}) ([pprof](artifact://${file#/}))" | tee -a "${profile_output}"
  done

  # Upload if we had outputs.
  if test -s "${profile_output}"; then
    buildkite-agent artifact upload "${profile_output}"
  fi
  rm -rf "${profile_output}"

  # Remove stale profiles, which may be owned by root.
  sudo rm -rf /tmp/profile
fi

# Kill any running containers (clear state).
CONTAINERS="$(docker ps -q)"
if ! test -z "${CONTAINERS}"; then
  docker container kill ${CONTAINERS} 2>/dev/null || true
fi