---
# Copyright 2017, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Playbook for deploying upgrade benchmarking
  hosts: localhost
  user: root
  become: true
  tasks:
    - name: Kill upgrade benchmarking process
      command: pkill locust
    - name: Register upgrade benchmarking results
      async_status: jid={{ locust_benchmark.ansible_job_id }}
      register: locust_benchmark_summary
    - name: Display upgrade benchmarking results
      debug:
        msg: "{{ locust_benchmark_summary.stderr }}"
    - name: Parse upgrade benchmarking results
      set_fact:
        locust_benchmark_results: >
          {%- set results = {} %}
          {%- for line in locust_benchmark_summary.stderr.split('\n') if 'Total' in line %}
          {%-   set summary_line = line | regex_replace('^ Total\s+', '') | regex_replace('(%\))?\s+|\(', ',') %}
          {%-   set summary_numbers = summary_line.split(',') %}
          {%-   set _ = results.update(requests_count = summary_numbers[0]) %}
          {%-   set _ = results.update(failure_rate = summary_numbers[2]) %}
          {%- endfor %}
          {{- results -}}
    - name: Verify that there were minimal failures during upgrade benchmarking
      assert:
        that:
          - "locust_benchmark_results.requests_count > 0"
          - "(locust_benchmark_results.failure_rate | int) < 1"
        msg: Multiple requests must be made with a less than 1% overall failure rate.