2018-09-02 14:08:51 +08:00
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# 禁用系统swap
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- name: 禁用系统 swap
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shell: "swapoff -a && sysctl -w vm.swappiness=0"
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ignore_errors: true
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- name: 删除fstab swap 相关配置
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lineinfile:
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path: /etc/fstab
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regexp: 'swap'
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state: absent
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backup: 'yes'
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- name: 加载内核模块
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modprobe: name={{ item }} state=present
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with_items:
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- br_netfilter
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- ip_vs
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- ip_vs_rr
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- ip_vs_wrr
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- ip_vs_sh
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2019-01-24 11:06:48 +08:00
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- nf_conntrack_ipv4 # kernel < 4.19
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- nf_conntrack # kernel >= 4.19
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2018-09-02 14:08:51 +08:00
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ignore_errors: true
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2019-01-24 11:06:48 +08:00
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- name: 启用systemd自动加载模块服务
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service: name=systemd-modules-load enabled=yes
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- name: 增加内核模块开机加载配置
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template: src=10-k8s-modules.conf.j2 dest=/etc/modules-load.d/10-k8s-modules.conf
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2018-11-10 09:52:57 +08:00
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2018-09-05 09:24:32 +08:00
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# 设置系统参数for k8s
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# 消除docker info 警告WARNING: bridge-nf-call-ip[6]tables is disabled
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- name: 设置系统参数
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template: src=95-k8s-sysctl.conf.j2 dest=/etc/sysctl.d/95-k8s-sysctl.conf
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- name: 生效系统参数
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shell: "sysctl -p /etc/sysctl.d/95-k8s-sysctl.conf"
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ignore_errors: true
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2019-01-24 11:06:48 +08:00
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- name: 设置系统 ulimits
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template: src=30-k8s-ulimits.conf.j2 dest=/etc/security/limits.d/30-k8s-ulimits.conf
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