操作系统
Centos 7.6 , Ubuntu-19.10
硬件配置(推荐)
CPU / 内存 : 2核 / 4GB
安装版本
flannel 0.12.0
https://github.com/coreos/flannel/releases/download/v0.12.0/flannel-v0.12.0-linux-amd64.tar.gz
开始安装
首先下载安装包
wget https://github.com/coreos/flannel/releases/download/v0.12.0/flannel-v0.12.0-linux-amd64.tar.gz
解压安装包
tar -xzvf flannel-v0.12.0-linux-amd64.tar.gz
移动文件flanneld到/usr/bin目录
mv flanneld /usr/bin
移动文件mk-docker-opts.sh到/usr/libexec/flannel
mv mk-docker-opts.sh /usr/libexec/flannel
配置服务
创建service文件
vi /lib/systemd/system/flanneld.service
[Unit] Description=Flanneld overlay address etcd agent After=network.target After=network-online.target Wants=network-online.target After=etcd.service Before=docker.service [Service] Type=notify EnvironmentFile=/etc/flannel/flanneld.conf EnvironmentFile=/etc/docker/docker-network ExecStart=/usr/bin/flanneld-start $FLANNEL_OPTIONS ExecStartPost=/usr/libexec/flannel/mk-docker-opts.sh -k DOCKER_NETWORK_OPTIONS -d /run/flannel/docker Restart=on-failure [Install] WantedBy=multi-user.target WantedBy=docker.service
创建flannel启动配置文件
vi /etc/flannel/flanneld.conf
# Flanneld configuration options # etcd url location. Point this to the server where etcd runs FLANNEL_ETCD_ENDPOINTS="http://127.0.0.1:2379" # etcd config key. This is the configuration key that flannel queries # For address range assignment FLANNEL_ETCD_PREFIX="/atomic.io/network" # Any additional options that you want to pass #FLANNEL_OPTIONS=""
启动服务
systemctl start flanneld
设置开机启动
systemctl enable flanneld