terraform-k8s/roles/kubernetes-base/tasks/main.yml
2019-08-08 21:20:54 +02:00

147 lines
3.0 KiB
YAML

---
- name: reboot
reboot:
# - name: clear yum package cache
# shell: "{{ item }}"
# args:
# warn: false
# with_items:
# # - yum clean all
# # - yum-config-manager --enable updates
- name: upgrade all packages
yum:
name: '*'
state: latest
- name: temporarily disable SELinux
shell: setenforce 0
- name: permanently disable SELinux
lineinfile:
dest: /etc/sysconfig/selinux
regexp: "^SELINUX="
line: "SELINUX=disabled"
- name: temporarily disable swap
shell: swapoff -a
- name: permanently disable swap
lineinfile:
dest: /etc/fstab
regexp: "^/dev/mapper/centos-swap"
line: "# /dev/mapper/centos-swap swap swap defaults 0 0"
- name: add bridge-netfilter kernel module
shell: modprobe br_netfilter
- name: enable bridge-nf-call-iptables
sysctl:
name: net.bridge.bridge-nf-call-iptables
value: 1
sysctl_set: yes
state: present
reload: yes
- name: enable bridge-nf-call-ip6tables
sysctl:
name: net.bridge.bridge-nf-call-ip6tables
value: 1
sysctl_set: yes
state: present
reload: yes
- name: enable ipv6 default forwarding
sysctl:
name: net.ipv6.conf.default.forwarding
value: 1
sysctl_set: yes
state: present
reload: yes
- name: add docker-ce yum repository
shell: yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
- name: copy kubernetes repo config
copy:
src: ../files/kubernetes.repo
dest: /etc/yum.repos.d/kubernetes.repo
- name: clear yum package cache
shell: yum clean all
args:
warn: false
- name: install dependencies
package:
name: "{{ item }}"
state: installed
with_items:
- device-mapper-persistent-data
- name: install lvm2
shell: yum install -y lvm2
args:
warn: false
- name: installing kubernetes binaries (kubeadm, kubelet and kubectl)
shell: "{{ item }}"
args:
warn: false
with_items:
- yum install -y kubelet kubeadm kubectl
- systemctl enable --now kubelet
- name: add docker-ce repo
shell: yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
- name: install docker-ce
package:
name: docker-ce-18.06.2.ce
state: installed
- name: create docker directory
file:
path: /etc/docker
state: directory
- name: deploy docker daemon configuration
copy:
src: ../files/docker-daemon.json
dest: /etc/docker/daemon.json
- name: touch /etc/default/kubelet
file:
path: /etc/default/kubelet
state: touch
owner: root
group: root
- name: set kubelet extra args
lineinfile:
dest: /etc/default/kubelet
regexp: "^KUBELET_EXTRA_ARGS="
line: "KUBELET_EXTRA_ARGS=--fail-swap-on=false --node-ip={{ host_ipv6 }}"
- name: restart services
systemd:
name: "{{ item }}"
enabled: yes
state: restarted
daemon_reload: yes
with_items:
- docker
- kubelet
- name: open firewall ports
import_tasks: firewalld.yml
# - name: update linux kernel
# import_tasks: upgrade_kernel.yml
- name: reboot
reboot: