Hyperfoil

Starting the controller via Ansible

You can fetch release, distribute and start the cluster using Ansible Galaxy scripts; setup, test, shutdown

First, get the scripts:

ansible-galaxy install hyperfoil.hyperfoil_setup,0.25.2
ansible-galaxy install hyperfoil.hyperfoil_shutdown,0.25.2
ansible-galaxy install hyperfoil.hyperfoil_test,0.25.2

Now, edit your hosts file, it could look like this:

[hyperfoil-controller]
controller ansible_host=localhost

[hyperfoil-agent]
agent-1 ansible_host=localhost

(You can add more agents by duplicating the last line with agent-2 etc.)

Prepare your playbook; here is a short example that starts the controller, uploads and starts simple benchmark (the templating engine replaces the agents in benchmark script based on Ansible hosts) and waits for its completion. When it confirms number of requests executed it stops the controller.

- hosts: [ hyperfoil-agent, hyperfoil-controller ]
  tasks: [] # This will only gather facts about all nodes
- hosts: hyperfoil-controller
  roles:
  - hyperfoil.hyperfoil_setup
- hosts: 127.0.0.1
  connection: local
  roles:
  - hyperfoil.hyperfoil_test
  vars:
    test_name: example
# Note that due to the way Ansible lookups work this will work only if hyperfoil-controller == localhost
- hosts: 127.0.0.1
  connection: local
  tasks:
  - name: Find number of requests
    set_fact:
      test_requests: "{{ lookup('csvfile', 'example file=/tmp/hyperfoil/workspace/run/' + test_runid + '/stats/total.csv col=2 delimiter=,')}}"
  - name: Print number of requests
    debug:
      msg: "Executed {{ test_requests }} requests."
- hosts:
  - hyperfoil-controller
  roles:
  - hyperfoil.hyperfoil_shutdown

Finally, run the playbook:

ansible-playbook -i hosts example.yml
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