---

#This is the entry file of this chaos injection tool. different chaos type & node combinations will be selected.
#All of the parameter setting needs to be done in group_vars/all file when performing the offical stability test organized by CAICT
#copyright @CAICT

#setting up experiment, copy and unarchive chaos injection tool to cluster to be tested
- hosts: test
  remote_user: root
  roles:
    - role: experiment_setup
      tags: "always"

#testing, localhost has been used as scheduler to send command to cluster to be tested, and inject different type of chaos to varies of node combination. 
- hosts: localhost
  tasks:
    #inject random chaos
    - name: executing test with random chaos
      command: "ansible-playbook testgroup.yml --tags={{(chaos_combinations|shuffle)[0]}} --extra-vars '{\"i\":{{injected_node_number|int}} }' "
      async: "{{period}}"
      poll: "{{period}}"
      with_sequence: start=1 end={{max_peak_number|int}} stride=1 format="peak No.%d chaos type:{{test_case}}, number of nodes injected:{{injected_node_number}}"
      when: test_case == "random"
    #inject specific chaos
    - name: executing test with specific chaos
      command: "ansible-playbook testgroup.yml --tags={{test_case}} --extra-vars '{\"i\":{{injected_node_number|int}} }' "
      async: "{{period}}"
      poll: "{{period}}"
      with_sequence: start=1 end={{max_peak_number|int}} stride=1 format="peak No.%d chaos type:{{test_case}}, number of nodes injected:{{injected_node_number}}"
      when: test_case != "random"


#cleaning the environment.
- hosts: test
  remote_user: root
  roles:
    - role: cleaning
      tags: "always"