--- - hosts: kube-master[0] vars: test_image_repo: busybox test_image_tag: latest tasks: - name: Force binaries directory for Container Linux by CoreOS set_fact: bin_dir: "/opt/bin" when: ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS"] - 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"] - 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" - 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 }}"