98 lines
3.2 KiB
YAML
98 lines
3.2 KiB
YAML
---
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- name: Set kubeadm_discovery_address
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set_fact:
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kubeadm_discovery_address: >-
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{%- if "127.0.0.1" in kube_apiserver_endpoint or "localhost" in kube_apiserver_endpoint -%}
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{{ first_kube_master }}:{{ kube_apiserver_port }}
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{%- else -%}
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{{ kube_apiserver_endpoint }}
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{%- endif %}
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tags:
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- facts
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- name: Check if kubelet.conf exists
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stat:
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path: "{{ kube_config_dir }}/kubelet.conf"
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register: kubelet_conf
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- name: Calculate kubeadm CA cert hash
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shell: openssl x509 -pubkey -in {{ kube_config_dir }}/ssl/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'
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register: kubeadm_ca_hash
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delegate_to: "{{ groups['kube-master'][0] }}"
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run_once: true
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- name: Create kubeadm token for joining nodes with 24h expiration (default)
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command: "{{ bin_dir }}/kubeadm token create"
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run_once: true
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register: temp_token
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delegate_to: "{{ groups['kube-master'][0] }}"
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- name: gets the kubeadm version
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command: "{{ bin_dir }}/kubeadm version -o short"
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register: kubeadm_output
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- name: sets kubeadm api version to v1alpha1
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set_fact:
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kubeadmConfig_api_version: v1alpha1
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when: kubeadm_output.stdout|version_compare('v1.11.0', '<')
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- name: defaults kubeadm api version to v1alpha2
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set_fact:
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kubeadmConfig_api_version: v1alpha2
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when: kubeadm_output.stdout|version_compare('v1.11.0', '>=')
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- name: Create kubeadm client config
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template:
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src: "kubeadm-client.conf.{{ kubeadmConfig_api_version }}.j2"
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dest: "{{ kube_config_dir }}/kubeadm-client.{{ kubeadmConfig_api_version }}.conf"
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backup: yes
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when: not is_kube_master
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vars:
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kubeadm_token: "{{ temp_token.stdout }}"
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- name: Join to cluster if needed
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command: >-
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{{ bin_dir }}/kubeadm join
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--config {{ kube_config_dir}}/kubeadm-client.{{ kubeadmConfig_api_version }}.conf
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--ignore-preflight-errors=all
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register: kubeadm_join
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when: not is_kube_master and (not kubelet_conf.stat.exists)
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- name: Wait for kubelet bootstrap to create config
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wait_for:
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path: "{{ kube_config_dir }}/kubelet.conf"
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delay: 1
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timeout: 60
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- name: Update server field in kubelet kubeconfig
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lineinfile:
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dest: "{{ kube_config_dir }}/kubelet.conf"
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regexp: 'server:'
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line: ' server: {{ kube_apiserver_endpoint }}'
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backup: yes
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when:
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- kubeadm_config_api_fqdn is not defined
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- not is_kube_master
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- kubeadm_discovery_address != kube_apiserver_endpoint
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notify: restart kubelet
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- name: Update server field in kube-proxy kubeconfig
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shell: >-
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{{ bin_dir }}/kubectl get configmap kube-proxy -n kube-system -o yaml
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| sed 's#server:.*#server:\ {{ kube_apiserver_endpoint }}#g'
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| {{ bin_dir }}/kubectl replace -f -
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delegate_to: "{{groups['kube-master']|first}}"
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run_once: true
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when:
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- kubeadm_config_api_fqdn is not defined
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- is_kube_master
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- kubeadm_discovery_address != kube_apiserver_endpoint
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- name: Restart all kube-proxy pods to ensure that they load the new configmap
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shell: "{{ bin_dir }}/kubectl delete pod -n kube-system -l k8s-app=kube-proxy"
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delegate_to: "{{groups['kube-master']|first}}"
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run_once: true
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when:
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- kubeadm_config_api_fqdn is not defined
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- is_kube_master
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- kubeadm_discovery_address != kube_apiserver_endpoint
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