kubespray/scale.yml

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---
- name: Check ansible version
import_playbook: ansible_version.yml
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- name: Add kube-master nodes to kube_control_plane
# This is for old inventory which contains kube-master instead of kube_control_plane
hosts: kube-master
gather_facts: false
tasks:
- name: add nodes to kube_control_plane group
group_by:
key: 'kube_control_plane'
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- hosts: bastion[0]
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gather_facts: False
environment: "{{ proxy_disable_env }}"
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roles:
- { role: kubespray-defaults }
- { role: bastion-ssh-config, tags: ["localhost", "bastion"] }
- name: Bootstrap any new workers
hosts: kube-node
strategy: linear
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
gather_facts: false
environment: "{{ proxy_disable_env }}"
roles:
- { role: kubespray-defaults }
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- { role: bootstrap-os, tags: bootstrap-os }
- name: Gather facts
tags: always
import_playbook: facts.yml
- name: Generate the etcd certificates beforehand
hosts: etcd
gather_facts: False
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
environment: "{{ proxy_disable_env }}"
roles:
- { role: kubespray-defaults }
- { role: etcd, tags: etcd, etcd_cluster_setup: false }
- name: Download images to ansible host cache via first kube_control_plane node
hosts: kube_control_plane[0]
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gather_facts: False
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
environment: "{{ proxy_disable_env }}"
roles:
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- { role: kubespray-defaults, when: "not skip_downloads and download_run_once and not download_localhost" }
- { role: kubernetes/preinstall, tags: preinstall, when: "not skip_downloads and download_run_once and not download_localhost" }
- { role: download, tags: download, when: "not skip_downloads and download_run_once and not download_localhost" }
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- name: Target only workers to get kubelet installed and checking in on any new nodes(engine)
hosts: kube-node
gather_facts: False
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
environment: "{{ proxy_disable_env }}"
roles:
- { role: kubespray-defaults }
- { role: kubernetes/preinstall, tags: preinstall }
- { role: container-engine, tags: "container-engine", when: deploy_container_engine|default(true) }
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- { role: download, tags: download, when: "not skip_downloads" }
- { role: etcd, tags: etcd, etcd_cluster_setup: false, when: "not etcd_kubeadm_enabled|default(false)" }
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- name: Target only workers to get kubelet installed and checking in on any new nodes(node)
hosts: kube-node
gather_facts: False
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
environment: "{{ proxy_disable_env }}"
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roles:
- { role: kubespray-defaults }
- { role: kubernetes/node, tags: node }
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- name: Upload control plane certs and retrieve encryption key
hosts: kube_control_plane | first
environment: "{{ proxy_disable_env }}"
gather_facts: False
tags: kubeadm
roles:
- { role: kubespray-defaults }
tasks:
- name: include needed vars
include_vars: roles/kubespray-defaults/defaults/main.yaml
- name: Upload control plane certificates
command: >-
{{ bin_dir }}/kubeadm init phase
--config {{ kube_config_dir }}/kubeadm-config.yaml
upload-certs
--upload-certs
environment: "{{ proxy_disable_env }}"
register: kubeadm_upload_cert
changed_when: false
- name: set fact 'kubeadm_certificate_key' for later use
set_fact:
kubeadm_certificate_key: "{{ kubeadm_upload_cert.stdout_lines[-1] | trim }}"
when: kubeadm_certificate_key is not defined
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- name: Target only workers to get kubelet installed and checking in on any new nodes(network)
hosts: kube-node
gather_facts: False
any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
environment: "{{ proxy_disable_env }}"
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roles:
- { role: kubespray-defaults }
- { role: kubernetes/kubeadm, tags: kubeadm }
- { role: network_plugin, tags: network }
- { role: kubernetes/node-label, tags: node-label }