41 lines
946 B
YAML
41 lines
946 B
YAML
---
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- name: Common OS prerequisites for all k8s nodes
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hosts: k8s
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become: true
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tasks:
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- name: Disable swap now
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command: swapoff -a
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when: ansible_facts['swaptotal_mb'] > 0
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- name: Remove swap from /etc/fstab
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replace:
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path: /etc/fstab
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regexp: '^([^#].*\s+swap\s+.*)$'
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replace: '# \1'
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- name: Load kernel modules at boot
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copy:
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dest: /etc/modules-load.d/k8s.conf
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content: |
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overlay
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br_netfilter
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- name: Load kernel modules now
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modprobe:
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name: "{{ item }}"
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loop:
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- overlay
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- br_netfilter
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- name: Set sysctl for k8s networking
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copy:
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dest: /etc/sysctl.d/k8s.conf
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content: |
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net.bridge.bridge-nf-call-iptables = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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net.ipv4.ip_forward = 1
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- name: Apply sysctl
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command: sysctl --system
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