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Ansible-roles/kubernetes/tasks/prerequisites.yml

90 lines
3.0 KiB
YAML

#- name: Load br_netfilter kernel-module
# modprobe:
# name: br_netfilter
# state: present
- name: Set sysctl settings for iptables bridged traffic
copy:
dest: "/etc/sysctl.d/kubernetes.conf"
content: |
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.conf.all.forwarding=1
net.ipv6.conf.all.forwarding=1
notify: reload_sysctl
#- name: Disable swap
# command: swapoff -a
- name: Install iptables
package:
name:
#- containerd
- iptables
state: latest
- name: Check if containerd-service exists & is started
service:
name: containerd
state: started
ignore_errors: true
register: containerd_status
- name: Install containerd when not exists
package:
name:
- containerd
when: containerd_status is failed
- name: Create containerd config-folder
file:
path: /etc/containerd
state: directory
- name: Deploy containerd-config
ansible.builtin.copy:
src: containerd_config.toml
dest: /etc/containerd/config.toml
mode: u=rw,g=r,o=r
notify: restart_containerd
- name: Set control-plane-dns-endpoint towards local-ip
lineinfile:
dest: /etc/hosts
line: "{{ ansible_facts.default_ipv6.address }} k8s-control-plane.system.ruekov.eu"
- name: Setting network facts..
set_fact:
inventory_group_index: "{{ groups['kubernetes'].index(inventory_hostname) }}"
ipPool_ipv6_nodeip_cidr_only_prefix: '{{ kubernetes.ipPool.ipv6.nodeip_cidr | regex_replace ("(?<=:)[0-9a-f]{0,4}(\/[0-9]+)?$","") }}'
ipPool_ipv6_nodeip_cidr_cidr: '{{ kubernetes.ipPool.ipv6.nodeip_cidr | regex_replace ("^.*?\/","") }}'
ipPool_ipv4_nodeip_cidr_only_prefix: '{{ kubernetes.ipPool.ipv4.nodeip_cidr | regex_replace ("(?<=.)[0-9]{0,3}(\/[0-9]+)?$","") }}'
ipPool_ipv4_nodeip_cidr_cidr: '{{ kubernetes.ipPool.ipv4.nodeip_cidr | regex_replace ("^.*?\/","") }}'
- name: Setting more network_facts..
set_fact:
ipPool_ipv6_nodeip: "{{ ipPool_ipv6_nodeip_cidr_only_prefix }}{{ inventory_group_index|int +1 }}"
ipPool_ipv4_nodeip: "{{ ipPool_ipv4_nodeip_cidr_only_prefix }}{{ inventory_group_index|int +1 }}"
- name: Setup IPv4-Network
lineinfile:
insertafter: "iface {{ ansible_facts.default_ipv4.interface }} inet .+"
dest: "/etc/network/interfaces"
line: " up /usr/sbin/ip addr add {{ ipPool_ipv4_nodeip }} dev {{ ansible_facts.default_ipv4.interface }}"
register: setup_network_ipv4
- name: Setup IPv6-Network
lineinfile:
insertafter: "iface {{ ansible_facts.default_ipv4.interface }} inet6 .+"
dest: "/etc/network/interfaces"
line: " up /usr/sbin/ip -6 addr add {{ ipPool_ipv6_nodeip }} dev {{ ansible_facts.default_ipv4.interface }}"
register: setup_network_ipv6
- name: Force-Reload network-interface
command: "ifup --force {{ ansible_facts.default_ipv4.interface }}"
when: setup_network_ipv4.changed or setup_network_ipv6.changed
- name: Run handlers to reload configurations
meta: flush_handlers