使用Kubespray 部署kubernetes 高可用集群

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---　　- name: gather os specific variables
　　include_vars: "{{ item }}"
　　with_first_found:
　　- files:
　　- "{{ ansible_distribution|lower }}-{{ ansible_distribution_version|lower|replace('/', '_') }}.yml"
　　- "{{ ansible_distribution|lower }}-{{ ansible_distribution_release }}.yml"
　　- "{{ ansible_distribution|lower }}-{{ ansible_distribution_major_version|lower|replace('/', '_') }}.yml"
　　- "{{ ansible_distribution|lower }}.yml"
　　- "{{ ansible_os_family|lower }}.yml"
　　- defaults.yml
　　paths:
　　- ../vars
　　skip: true
　　tags:
　　- facts
　　- include: set_facts_dns.yml
　　when: dns_mode != 'none' and resolvconf_mode == 'docker_dns'
　　tags:
　　- facts
　　- name: check for minimum kernel version
　　fail:
　　msg: >
　　docker requires a minimum kernel version of
　　{{ docker_kernel_min_version }} on
　　{{ ansible_distribution }}-{{ ansible_distribution_version }}
　　when: (not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"]) and (ansible_kernel|version_compare(docker_kernel_min_version, "