在pve lxc容器中使用k3s

pve中创建debian lxc容器

对应容器增加以下配置

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lxc.apparmor.profile: unconfined
lxc.cgroup.devices.allow: a
lxc.cap.drop:
lxc.mount.auto: "proc:rw sys:rw"

创建开机脚本rc.local

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#!/bin/sh -e

# Kubeadm 1.15 needs /dev/kmsg to be there, but it's not in lxc, but we can just use /dev/console instead
# see: https://github.com/kubernetes-sigs/kind/issues/662
if [ ! -e /dev/kmsg ]; then
    ln -s /dev/console /dev/kmsg
fi
	
# https://medium.com/@kvaps/run-kubernetes-in-lxc-container-f04aa94b6c9c
mount --make-rshared /

增加可执行权限

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chmod +x /etc/rc.local

将开机脚本转为服务

开机执行/etc/rc.local，可将此操作注册为服务

创建/etc/systemd/system/rc-local.service文件

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vim /etc/systemd/system/rc-local.service

填充以下内容

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[Unit]
Description=/etc/rc.local Compatibility
Documentation=man:systemd.rc.local.service(8)
After=network.target

[Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
RemainAfterExit=true

[Install]
WantedBy=multi-user.target

然后重启

安装k3s

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curl -sfL https://get.k3s.io | sh -

查看服务状态

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systemctl status k3s

查看k3s节点状态，如果显示Ready，则已成功

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kubectl  get node