kubespray/roles/kubernetes-apps/ansible/tasks/main.yml

---
- name: Kubernetes Apps | Wait for kube-apiserver
  uri:
    url: "{{ kube_apiserver_endpoint }}/healthz"
    validate_certs: no
    client_cert: "{{ kube_apiserver_client_cert }}"
    client_key: "{{ kube_apiserver_client_key }}"
  register: result
  until: result.status == 200
  retries: 10
  delay: 2
  when: inventory_hostname == groups['kube-master'][0]

- name: Kubernetes Apps | Delete old kubedns resources
  kube:
    name: "kubedns"
    namespace: "{{ system_namespace }}"
    kubectl: "{{ bin_dir }}/kubectl"
    resource: "{{ item }}"
    state: absent
  with_items:
    - 'deploy'
    - 'svc'
  tags:
    - upgrade

- name: Kubernetes Apps | Delete kubeadm kubedns
  kube:
    name: "kubedns"
    namespace: "{{ system_namespace }}"
    kubectl: "{{ bin_dir }}/kubectl"
    resource: "deploy"
    state: absent
  when:
    - kubeadm_enabled|default(false)
    - kubeadm_init.changed|default(false)
    - inventory_hostname == groups['kube-master'][0]

- name: Kubernetes Apps | Lay Down KubeDNS Template
  template:
    src: "{{ item.file }}.j2"
    dest: "{{ kube_config_dir }}/{{ item.file }}"
  with_items:
    - { name: kube-dns, file: kubedns-sa.yml, type: sa }
    - { name: kube-dns, file: kubedns-deploy.yml, type: deployment }
    - { name: kube-dns, file: kubedns-svc.yml, type: svc }
    - { name: kubedns-autoscaler, file: kubedns-autoscaler-sa.yml, type: sa }
    - { name: kubedns-autoscaler, file: kubedns-autoscaler-clusterrole.yml, type: clusterrole }
    - { name: kubedns-autoscaler, file: kubedns-autoscaler-clusterrolebinding.yml, type: clusterrolebinding }
    - { name: kubedns-autoscaler, file: kubedns-autoscaler.yml, type: deployment }
  register: manifests
  when:
    - dns_mode != 'none' and inventory_hostname == groups['kube-master'][0]
    - rbac_enabled or item.type not in rbac_resources
  tags:
    - dnsmasq

# see https://github.com/kubernetes/kubernetes/issues/45084, only needed for "old" kube-dns
- name: Kubernetes Apps | Patch system:kube-dns ClusterRole
  command: >
    {{ bin_dir }}/kubectl patch clusterrole system:kube-dns
    --patch='{
               "rules": [
                 {
                   "apiGroups" : [""],
                   "resources" : ["endpoints", "services"],
                   "verbs": ["list", "watch", "get"]
                 }
               ]
             }'
  when:
    - dns_mode != 'none' and inventory_hostname == groups['kube-master'][0]
    - rbac_enabled and kubedns_version|version_compare("1.11.0", "<", strict=True)
  tags:
    - dnsmasq

- name: Kubernetes Apps | Start Resources
  kube:
    name: "{{ item.item.name }}"
    namespace: "{{ system_namespace }}"
    kubectl: "{{ bin_dir }}/kubectl"
    resource: "{{ item.item.type }}"
    filename: "{{ kube_config_dir }}/{{ item.item.file }}"
    state: "latest"
  with_items: "{{ manifests.results }}"
  when:
    - dns_mode != 'none'
    - inventory_hostname == groups['kube-master'][0]
    - not item|skipped
  tags:
    - dnsmasq

- name: Kubernetes Apps | Netchecker
  import_tasks: tasks/netchecker.yml
  when: deploy_netchecker
  tags:
    - netchecker

- name: Kubernetes Apps | Dashboard
  import_tasks: tasks/dashboard.yml
  when: dashboard_enabled
  tags:
    - dashboard