kubespray/roles/kubernetes-apps/cluster_roles/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: 6
  when: inventory_hostname == groups['kube-master'][0]

- name: Kubernetes Apps | Check AppArmor status
  command: which apparmor_parser
  register: apparmor_status
  when:
    - podsecuritypolicy_enabled
    - inventory_hostname == groups['kube-master'][0]
  failed_when: false

- name: Kubernetes Apps | Set apparmor_enabled
  set_fact:
    apparmor_enabled: "{{ apparmor_status.rc == 0 }}"
  when:
    - podsecuritypolicy_enabled
    - inventory_hostname == groups['kube-master'][0]

- name: Kubernetes Apps | Render templates for PodSecurityPolicy
  template:
    src: "{{ item.file }}.j2"
    dest: "{{ kube_config_dir }}/{{ item.file }}"
  register: psp_manifests
  with_items:
    - {file: psp.yml, type: psp, name: psp}
    - {file: psp-cr.yml, type: clusterrole, name: psp-cr}
    - {file: psp-crb.yml, type: rolebinding, name: psp-crb}
  when:
    - podsecuritypolicy_enabled
    - inventory_hostname == groups['kube-master'][0]

- name: Kubernetes Apps | Add policies, roles, bindings for PodSecurityPolicy
  kube:
    name: "{{item.item.name}}"
    kubectl: "{{bin_dir}}/kubectl"
    resource: "{{item.item.type}}"
    filename: "{{kube_config_dir}}/{{item.item.file}}"
    state: "latest"
  with_items: "{{ psp_manifests.results }}"
  when:
    - inventory_hostname == groups['kube-master'][0]
    - not item|skipped

- name: Kubernetes Apps | Add ClusterRoleBinding to admit nodes
  template:
    src: "node-crb.yml.j2"
    dest: "{{ kube_config_dir }}/node-crb.yml"
  register: node_crb_manifest
  when:
    - rbac_enabled
    - inventory_hostname == groups['kube-master'][0]

- name: Apply workaround to allow all nodes with cert O=system:nodes to register
  kube:
    name: "kubespray:system:node"
    kubectl: "{{bin_dir}}/kubectl"
    resource: "clusterrolebinding"
    filename: "{{ kube_config_dir }}/node-crb.yml"
    state: latest
  when:
    - rbac_enabled
    - node_crb_manifest.changed
    - inventory_hostname == groups['kube-master'][0]

- name: Kubernetes Apps | Add webhook ClusterRole that grants access to proxy, stats, log, spec, and metrics on a kubelet
  template:
    src: "node-webhook-cr.yml.j2"
    dest: "{{ kube_config_dir }}/node-webhook-cr.yml"
  register: node_webhook_cr_manifest
  when:
    - rbac_enabled
    - kubelet_authorization_mode_webhook
    - inventory_hostname == groups['kube-master'][0]
  tags: node-webhook

- name: Apply webhook ClusterRole
  kube:
    name: "system:node-webhook"
    kubectl: "{{bin_dir}}/kubectl"
    resource: "clusterrole"
    filename: "{{ kube_config_dir }}/node-webhook-cr.yml"
    state: latest
  when:
    - rbac_enabled
    - kubelet_authorization_mode_webhook
    - node_webhook_cr_manifest.changed
    - inventory_hostname == groups['kube-master'][0]
  tags: node-webhook

- name: Kubernetes Apps | Add ClusterRoleBinding for system:nodes to webhook ClusterRole
  template:
    src: "node-webhook-crb.yml.j2"
    dest: "{{ kube_config_dir }}/node-webhook-crb.yml"
  register: node_webhook_crb_manifest
  when:
    - rbac_enabled
    - kubelet_authorization_mode_webhook
    - inventory_hostname == groups['kube-master'][0]
  tags: node-webhook

- name: Grant system:nodes the webhook ClusterRole
  kube:
    name: "system:node-webhook"
    kubectl: "{{bin_dir}}/kubectl"
    resource: "clusterrolebinding"
    filename: "{{ kube_config_dir }}/node-webhook-crb.yml"
    state: latest
  when:
    - rbac_enabled
    - kubelet_authorization_mode_webhook
    - node_webhook_crb_manifest.changed
    - inventory_hostname == groups['kube-master'][0]
  tags: node-webhook

- name: Check if vsphere-cloud-provider ClusterRole exists
  command: "{{ bin_dir }}/kubectl get clusterroles system:vsphere-cloud-provider"
  register: vsphere_cloud_provider
  ignore_errors: true
  when:
    - rbac_enabled
    - cloud_provider is defined
    - cloud_provider == 'vsphere'
    - kube_version | version_compare('v1.9.0', '>=')
    - kube_version | version_compare('v1.9.3', '<=')
    - inventory_hostname == groups['kube-master'][0]
  tags: vsphere

- name: Write vsphere-cloud-provider ClusterRole manifest
  template:
    src: "vsphere-rbac.yml.j2"
    dest: "{{ kube_config_dir }}/vsphere-rbac.yml"
  register: vsphere_rbac_manifest
  when:
    - rbac_enabled
    - cloud_provider is defined
    - cloud_provider == 'vsphere'
    - vsphere_cloud_provider.rc is defined
    - vsphere_cloud_provider.rc != 0
    - kube_version | version_compare('v1.9.0', '>=')
    - kube_version | version_compare('v1.9.3', '<=')
    - inventory_hostname == groups['kube-master'][0]
  tags: vsphere

- name: Apply vsphere-cloud-provider ClusterRole
  kube:
    name: "system:vsphere-cloud-provider"
    kubectl: "{{bin_dir}}/kubectl"
    resource: "clusterrolebinding"
    filename: "{{ kube_config_dir }}/vsphere-rbac.yml"
    state: latest
  when:
    - rbac_enabled
    - cloud_provider is defined
    - cloud_provider == 'vsphere'
    - vsphere_cloud_provider.rc is defined
    - vsphere_cloud_provider.rc != 0
    - kube_version | version_compare('v1.9.0', '>=')
    - kube_version | version_compare('v1.9.3', '<=')
    - inventory_hostname == groups['kube-master'][0]
  tags: vsphere