lucene/dev-tools/aws-jmh/playbook.yml

# spin up aws hardware
- hosts: localhost
  gather_facts: false
  tasks:
    - name: Lookup default VPC
      ec2_vpc_net_info:
        region: "{{ region }}"
        filters:
          isDefault: true
      register: vpc_info

    - name: Create cloudformation stack
      cloudformation:
        stack_name: "{{ stack_name }}"
        region: "{{ region }}"
        template_body: "{{ lookup('template', 'cloudformation.yml.j2') }}"

    - name: Gather instance details
      ec2_instance_info:
        region: "{{ region }}"
        filters:
          instance-state-name: ["pending", "running"]
          "tag:aws:cloudformation:stack-name": "{{ stack_name }}"
      register: ec2_instances

    - name: Add instances to inventory
      add_host:
        name: "{{ item['tags']['ShortName'] }}"
        ansible_host: "{{ item['public_ip_address'] }}"
        ansible_user: "{{ user }}"
        ansible_ssh_private_key_file: "{{ ssh_key }}"
      args: "{{ item }}"
      with_items: "{{ ec2_instances.instances }}"

- hosts: all
  gather_facts: false
  tasks:
    - name: Wait for connection
      wait_for_connection:

    - name: Gather facts
      setup:

    - name: Configure kernel
      command:
        argv:
          - grubby
          - --remove-args=selinux_1 security=selinux quiet
          - --args=mitigations=0 random.trust_cpu=1 loglevel=7 selinux=0
          - --update-kernel=ALL
      become: true

    - name: Install packages
      package:
        name:
          - git
      become: true

    - name: Disable noisy services
      command:
        cmd: "systemctl disable --now {{ item }}"
      loop: "{{ disable_services }}"
      failed_when: false
      become: true

    - name: Reboot machine
      reboot:
      become: true

    - name: Download JDK
      unarchive:
        src: "{{ jdk_url }}"
        dest: .
        remote_src: true

    - name: Configure JDK
      blockinfile:
        path: .bashrc
        block: |
          export JAVA_HOME=/home/{{ user }}/jdk-{{ jdk_version }}
          export PATH=$JAVA_HOME/bin:$PATH

    - name: Configure Gradle
      blockinfile:
        path: .gradle/gradle.properties
        create: true
        block: |
          org.gradle.daemon=false

    - name: Checkout main
      git:
        repo: "git@github.com:{{ (main_branch | split(':'))[0] }}/lucene.git"
        version: "{{ (main_branch | split(':'))[1] }}"
        dest: main
        accept_newhostkey: true
        depth: 1

    - name: Checkout patch
      git:
        repo: "git@github.com:{{ (patch_branch | split(':'))[0] }}/lucene.git"
        version: "{{ (patch_branch | split(':'))[1] }}"
        dest: patch
        accept_newhostkey: true
        depth: 1

    - name: Assemble Sources
      command:
        cmd: "{{ assemble_command }}"
        chdir: "{{ item }}"
      loop:
        - main
        - patch

    - name: Run benchmark
      command:
        cmd: "{{ jmh_command }} -rff ~/{{ item }}.txt {{ jmh_args }}"
        chdir: "{{ item }}"
      loop:
        - main
        - patch

    - name: Read main results
      command:
        cmd: "cat main.txt"
      register: main_out

    - name: Read patch results
      command:
        cmd: "cat patch.txt"
      register: patch_out

    - name: Write Report
      copy:
        dest: "build/{{ inventory_hostname }}.log"
        content: |

          {{ inventory_hostname }}: `{{ ansible_processor }}`

          main
          ```
          {{ main_out.stdout }}
          ```
          patch
          ```
          {{ patch_out.stdout }}
          ```
      delegate_to: localhost

- hosts: localhost
  gather_facts: false
  tasks:
    - name: Create combined report
      shell:
        cmd: "cat build/*.log > build/report.txt"