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---
- hosts: kube-master[0]
vars:
test_image_repo: busybox
test_image_tag: latest
tasks:
- name: Force binaries directory for Container Linux by CoreOS and Flatcar
set_fact:
bin_dir: "/opt/bin"
when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
- name: Force binaries directory for other hosts
set_fact:
bin_dir: "/usr/local/bin"
when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
- name: Create test namespace
shell: "{{ bin_dir }}/kubectl create namespace test"
- name: Run a replica controller composed of 2 pods in test ns
shell: "{{ bin_dir }}/kubectl run test --image={{ test_image_repo }}:{{ test_image_tag }} --namespace test --replicas=2 --command -- tail -f /dev/null"
- import_role:
name: cluster-dump
- name: Check that all pods are running and ready
shell: "{{ bin_dir }}/kubectl get pods --namespace test --no-headers -o yaml"
register: run_pods_log
until:
# Check that all pods are running
- '(run_pods_log.stdout | from_yaml)["items"] | map(attribute = "status.phase") | unique | list == ["Running"]'
# Check that all pods are ready
- '(run_pods_log.stdout | from_yaml)["items"] | map(attribute = "status.containerStatuses") | map("map", attribute = "ready") | map("min") | min'
retries: 18
delay: 10
failed_when: false
no_log: true
- name: Get pod names
shell: "{{ bin_dir }}/kubectl get pods -n test -o json"
register: pods
no_log: true
- debug:
msg: "{{ pods.stdout.split('\n') }}"
failed_when: not run_pods_log is success
- name: Get hostnet pods
command: "{{ bin_dir }}/kubectl get pods -n test -o
jsonpath='{range .items[?(.spec.hostNetwork)]}{.metadata.name} {.status.podIP} {.status.containerStatuses} {end}'"
register: hostnet_pods
no_log: true
- name: Get running pods
command: "{{ bin_dir }}/kubectl get pods -n test -o
jsonpath='{range .items[?(.status.phase==\"Running\")]}{.metadata.name} {.status.podIP} {.status.containerStatuses} {end}'"
register: running_pods
no_log: true
- name: Check kubectl output
shell: "{{ bin_dir }}/kubectl get pods --all-namespaces -owide"
register: get_pods
no_log: true
- debug:
msg: "{{ get_pods.stdout.split('\n') }}"
- name: Set networking facts
set_fact:
kube_pods_subnet: 10.233.64.0/18
pod_names: "{{ (pods.stdout | from_json)['items'] | map(attribute = 'metadata.name') | list }}"
pod_ips: "{{ (pods.stdout | from_json)['items'] | selectattr('status.podIP', 'defined') | map(attribute = 'status.podIP') | list }}"
pods_hostnet: |
{% set list = hostnet_pods.stdout.split(" ") %}
{{ list }}
pods_running: |
{% set list = running_pods.stdout.split(" ") %}
{{ list }}
- name: Check pods IP are in correct network
assert:
that: item | ipaddr(kube_pods_subnet)
when:
- not item in pods_hostnet
- item in pods_running
with_items: "{{ pod_ips }}"
- name: Ping between pods is working
shell: "{{ bin_dir }}/kubectl -n test exec {{ item[0] }} -- ping -c 4 {{ item[1] }}"
when:
- not item[0] in pods_hostnet
- not item[1] in pods_hostnet
with_nested:
- "{{ pod_names }}"
- "{{ pod_ips }}"
- name: Ping between hostnet pods is working
shell: "{{ bin_dir }}/kubectl -n test exec {{ item[0] }} -- ping -c 4 {{ item[1] }}"
when:
- item[0] in pods_hostnet
- item[1] in pods_hostnet
with_nested:
- "{{ pod_names }}"
- "{{ pod_ips }}"
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