--- - hosts: kube_control_plane[0] vars: test_image_repo: k8s.gcr.io/busybox test_image_tag: latest tasks: - name: Force binaries directory for Flatcar Container Linux by Kinvolk set_fact: bin_dir: "/opt/bin" when: ansible_os_family in ["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 ["Flatcar Container Linux by Kinvolk"] - name: Approve kubelet serving certificates block: - name: Get certificate signing requests command: "{{ bin_dir }}/kubectl get csr -o name" register: get_csr changed_when: false - name: Check there are csrs assert: that: get_csr.stdout_lines | length > 0 fail_msg: kubelet_rotate_server_certificates is {{ kubelet_rotate_server_certificates }} but no csr's found - name: Approve certificates command: "{{ bin_dir }}/kubectl certificate approve {{ get_csr.stdout_lines | join(' ') }}" register: certificate_approve when: get_csr.stdout_lines | length > 0 changed_when: certificate_approve.stdout - debug: msg: "{{ certificate_approve.stdout.split('\n') }}" when: kubelet_rotate_server_certificates | default(false) - name: Create test namespace command: "{{ bin_dir }}/kubectl create namespace test" changed_when: false - name: Wait for API token of test namespace shell: "set -o pipefail && {{ bin_dir }}/kubectl describe serviceaccounts default --namespace test | grep Tokens | awk '{print $2}'" args: executable: /bin/bash changed_when: false register: default_token until: default_token.stdout.find('') == -1 retries: 5 delay: 5 - name: Run 2 busybox pods in test ns command: "{{ bin_dir }}/kubectl run {{ item }} --image={{ test_image_repo }}:{{ test_image_tag }} --namespace test --command -- tail -f /dev/null" changed_when: false loop: - busybox1 - busybox2 - import_role: name: cluster-dump - name: Check that all pods are running and ready command: "{{ bin_dir }}/kubectl get pods --namespace test --no-headers -o yaml" changed_when: false 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 command: "{{ bin_dir }}/kubectl get pods -n test -o json" changed_when: false 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}'" changed_when: false register: hostnet_pods ignore_errors: true 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}'" changed_when: False register: running_pods no_log: true - name: Check kubectl output command: "{{ bin_dir }}/kubectl get pods --all-namespaces -owide" changed_when: False 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 command: "{{ 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 command: "{{ 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 }}"