c12s-kubespray/roles/kubernetes-apps/cluster_roles/tasks/main.yml

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---
- 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 | 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
- name: Apply workaround to allow all nodes with cert O=system:nodes to register
kube:
name: "system:node"
kubectl: "{{bin_dir}}/kubectl"
resource: "clusterrolebinding"
filename: "{{ kube_config_dir }}/node-crb.yml"
state: latest
when:
- rbac_enabled
- node_crb_manifest.changed
- 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
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
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
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
tags: node-webhook
# This is not a cluster role, but should be run after kubeconfig is set on master
- name: Write kube system namespace manifest
template:
src: namespace.j2
dest: "{{kube_config_dir}}/{{system_namespace}}-ns.yml"
when: inventory_hostname == groups['kube-master'][0]
tags:
- apps
- name: Check if kube system namespace exists
command: "{{ bin_dir }}/kubectl get ns {{system_namespace}}"
register: 'kubesystem'
changed_when: False
failed_when: False
when: inventory_hostname == groups['kube-master'][0]
tags:
- apps
- name: Create kube system namespace
command: "{{ bin_dir }}/kubectl create -f {{kube_config_dir}}/{{system_namespace}}-ns.yml"
retries: 4
delay: "{{ retry_stagger | random + 3 }}"
register: create_system_ns
until: create_system_ns.rc == 0
changed_when: False
when: inventory_hostname == groups['kube-master'][0] and kubesystem.rc != 0
tags:
- apps