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---
- name: create directory for drain scenario
ansible.builtin.file:
path: /tmp/resiliency/node-drain
state: directory
mode: '0755'
tags: prepare
- name: Get compute node list
community.kubernetes.k8s_info:
kind: Node
label_selectors: "! node-role.kubernetes.io/master"
register: kubernetes_computer_node_list
tags: prepare
- name: Set Fact first compute node Internal IP
ansible.builtin.set_fact:
first_node_ip: "{{ item.address }}"
when: "'Hostname' in item.type"
with_items:
"{{ (kubernetes_computer_node_list.resources | first).status.addresses }}"
tags: prepare
- name: Set Compute for the drain chaos
ansible.builtin.set_fact:
compute_chaos: "{{ first_node_ip }}"
when: compute_chaos is not defined
tags: prepare
- name: Prepare rbac file for drain experiment
ansible.builtin.template:
src: node-drain-rbac.yaml.j2
dest: /tmp/resiliency/node-drain/node-drain-rbac.yaml
mode: 0600
tags: prepare
- name: Prepare chaos file for drain experiment
ansible.builtin.template:
src: node-drain-chaos.yaml.j2
dest: /tmp/resiliency/node-drain/node-drain-chaos.yaml
mode: 0600
tags: prepare
- name: Apply drain rbac
community.kubernetes.k8s:
state: present
src: /tmp/resiliency/node-drain/node-drain-rbac.yaml
tags: apply
- name: Cordon the Chosen node
ansible.builtin.shell: "kubectl cordon {{ compute_chaos }}"
- name: Apply chaos drain experiment
community.kubernetes.k8s:
state: present
src: /tmp/resiliency/node-drain/node-drain-chaos.yaml
tags: apply
- name: wait for the end of chaos
run_once: true
community.kubernetes.k8s_info:
kind: ChaosEngine
api_version: litmuschaos.io/v1alpha1
name: onap-chaos-drain
namespace: "{{ onap_namespace }}"
register: chaosengine_status
changed_when:
&chaos_test chaosengine_status is defined and
chaosengine_status.resources[0].status.engineStatus == "completed"
until: *chaos_test
retries: 5
delay: 120
tags: wait
# - name: Print the chaos engine object
# ansible.builtin.debug:
# msg: "{{chaosengine_status.resources[0].status.engineStatus }}"
- name: get results
run_once: true
community.kubernetes.k8s_info:
kind: ChaosResult
api_version: litmuschaos.io/v1alpha1
name: onap-chaos-drain-node-drain
namespace: "{{ onap_namespace }}"
register: chaosresult_drain
changed_when:
&chaos_result chaosresult_drain is defined and
(chaosresult_drain.resources[0].status.experimentStatus.verdict == "Pass" or
chaosresult_drain.resources[0].status.experimentStatus.verdict == "Fail" )
until: *chaos_result
retries: 5
delay: 10
tags: wait
- name: Print the chaos result object
ansible.builtin.debug:
msg: "{{ chaosresult_drain.resources[0].status.experimentStatus.verdict}}"
- name: Print the chaos result verdict
ansible.builtin.debug:
msg: " The test is {{ chaosresult_drain.resources[0].status.experimentStatus.verdict}}-ed"
- name: Uncordon the Chosen node
ansible.builtin.shell: "kubectl uncordon {{ compute_chaos }}"
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