kubernetes二进制部署ansibleplaybook一键生成
脚本仓库地址
https://github.com/qist/k8s
#支持 Ubuntu 18及以上的系统，CentOS7及CentOS8 系统
# k8s 版本 14，15，16，17 号版本ansible 安装
#Ubuntu 系列安装
apt -y install ansible
#CentOS 8 安装
dnf -y install ansible
# CentOS 7 安装
yum -y install ansible
# 修改ansible 配置
## 说明id_rsa_storm1 私钥名字请自行修改
sed -i 's/^#private_key_file =.*$/private_key_file =\/root\/.ssh\/id_rsa_storm1/g' /etc/ansible/ansible.cfg
sed -i 's/^#sudo_user = root/sudo_user = root/g' /etc/ansible/ansible.cfg
sed -i 's/^#remote_port = 22/remote_port = 22/g' /etc/ansible/ansible.cfg
sed -i 's/^#host_key_checking = False/host_key_checking = False/g' /etc/ansible/ansible.cfg
sed -i '/\[ssh_connection\]/a\ssh_args = -o ControlMaster=no' /etc/ansible/ansible.cfg下载 CFSSL 二进制文件/或者自行编译
# 配置CFSSL编译环境 一点要在跨系统部署请在低版本下编译会用到lib库高版本编译在低版本上运行要升级库
#Ubuntu 系列安装
apt -y install gcc git
#CentOS 8 安装
dnf -y install gcc git
# CentOS 7 安装
yum -y install gcc git
# 配置go 编译环境
# 下载go 语言
wget -P /usr/local/src/ https://dl.google.com/go/go1.12.14.linux-amd64.tar.gz
# 解压
tar -xf /usr/local/src/go1.12.14.linux-amd64.tar.gz -C /usr/local/
# 配置环境变量
cat << EOF >> /etc/profile
export GOPATH=/root/go
export GOBIN=/root/go/bin
PATH=\$PATH:/usr/local/go/bin:\$HOME/bin:\$GOBIN
export PATH
EOF
# 生效环境变量
source /etc/profile
# 编译 CFSSL
go get github.com/cloudflare/cfssl/cmd/cfssl
go get github.com/cloudflare/cfssl/cmd/cfssljson
#查看cfssl 是否安装成功
cfssl version
# 已经编译好的二进制文件
wget -P /tmp/ https://github.com/qist/lxcfs/releases/download/cfssl/cfssl.tar.gz
# 解压下载好文件
tar -xf /tmp/cfssl.tar.gz -C /usr/bin/
# 删除下载的压缩包
rm -rf /tmp/cfssl.tar.gz下载kubectl 可以是任意版本kubectl
wget -P /tmp/ https://storage.googleapis.com/kubernetes-release/release/v1.14.10/kubernetes-client-linux-amd64.tar.gz
# 解压
tar -xf /tmp/kubernetes-client-linux-amd64.tar.gz -C /tmp/
# cp 文件到/usr/bin
mv /tmp/kubernetes/client/bin/kubectl /usr/bin/
# 验证是否能执行
kubectl version
# 删除 没用文件
rm -rf /tmp/kubernetes-client-linux-amd64.tar.gz
rm -rf /tmp/kubernetes下载 ansible 一键生成脚本
cd /opt
git clone https://github.com/qist/k8s.git以 kubernetes.v1.17 脚本为例
准备下载使用的压缩包文件脚本不做下载，github 外网速度越来越慢下载成功率不高所有采用手动下载方式进行下载
打开kubernetes.v1.17.sh 查看下载路径 版本可以自行选择
# 创建压缩包存放目录
mkdir /tmp/source
# 下载K8S 集群所需压缩包
#docker 下载
wget -P /tmp/source https://download.docker.com/linux/static/stable/x86_64/docker-19.03.5.tgz
#lxcfs 下载
wget -P /tmp/source https://github.com/qist/lxcfs/releases/download/3.1.2/lxcfs-3.1.2.tar.gz
# cni 下载
wget -P /tmp/source https://github.com/containernetworking/plugins/releases/download/v0.8.3/cni-plugins-linux-amd64-v0.8.3.tgz
# etcd 下载
wget -P /tmp/source https://github.com/etcd-io/etcd/releases/download/v3.3.18/etcd-v3.3.18-linux-amd64.tar.gz
# 下载kubernetes server 压缩包
wget -P /tmp/source https://storage.googleapis.com/kubernetes-release/release/v1.17.0/kubernetes-server-linux-amd64.tar.gz
# 下载haproxy
wget -P /tmp/source https://www.haproxy.org/download/2.1/src/haproxy-2.1.1.tar.gz
# automake keepalived编译用到
wget -P /tmp/source https://ftp.gnu.org/gnu/automake/automake-1.15.1.tar.gz
# 下载keepalived
wget -P /tmp/source https://www.keepalived.org/software/keepalived-2.0.19.tar.gz
# iptables centos7 及Ubuntu18号版本用到
wget -P /tmp/source https://www.netfilter.org/projects/iptables/files/iptables-1.6.2.tar.bz2修改kubernetes.v1.17.sh 文件改成自己环境所需配置信息
# 应用部署目录 可根据自己环境修改
TOTAL_PATH=/apps
ETCD_PATH=$TOTAL_PATH/etcd
# 大规模集群部署时建议分开存储，WAL 最好ssd
ETCD_DATA_DIR=$TOTAL_PATH/etcd/data/default.etcd
ETCD_WAL_DIR=$TOTAL_PATH/etcd/data/default.etcd
K8S_PATH=$TOTAL_PATH/k8s
POD_MANIFEST_PATH=$TOTAL_PATH/work
DOCKER_PATH=$TOTAL_PATH/docker
#DOCKER_BIN_PATH=$TOTAL_PATH/docker/bin #ubuntu 18 版本必须设置在/usr/bin 目录下面
DOCKER_BIN_PATH=/usr/bin
CNI_PATH=$TOTAL_PATH/cni
SOURCE_PATH=/usr/local/src # 远程服务器源码存放目录
KEEPALIVED_PATH=$TOTAL_PATH/keepalived
HAPROXY_PATH=$TOTAL_PATH/haproxy
# 设置工作端目录
HOST_PATH=`pwd`
# 设置工作端压缩包所在目录
TEMP_PATH=/tmp/source
#应用版本号
ETCD_VERSION=v3.3.18
K8S_VERSION=v1.17.0
LXCFS_VERSION=3.1.2
DOCKER_VERSION=19.03.5
CNI_VERSION=v0.8.3
IPTABLES_VERSION=1.6.2 #centos7,ubuntu18 版本需要升级 centos8, ubuntu19 不用升级
KEEPALIVED_VERSION=2.0.19
AUTOMAKE_VERSION=1.15.1 #KEEPALIVED 编译依赖使用
HAPROXY_VERSION=2.1.1
# 网络插件 选择 1、kube-router 2、kube-proxy+flannel 使用kube-router时external-ip 同网段不通需要做路由，kube-proxy 可以直接访问
NET_PLUG=1
# 节点间互联网络接口名称flannel 指定网络接口
IFACE="eth0"
# K8S api 网络互联接口 多网卡请指定接口ansible_网卡接口名字.ipv4.address
API_IPV4=ansible_default_ipv4.address
# kubelet pod 网络互联接口 ansible_${IFACE}.ipv4.address 单网卡使用ansible_default_ipv4.address 多个网卡请指定使用的网卡名字
KUBELET_IPV4=ansible_default_ipv4.address
# 证书相关配置
CERT_ST="GuangDong"
CERT_L="GuangZhou"
CERT_O="k8s"
CERT_OU="Qist"
CERT_PROFILE="kubernetes"
#数字证书时间及kube-controller-manager 签发证书时间
EXPIRY_TIME="87600h"
# K8S ETCD存储 目录名字
ETCD_PREFIX="/registry"
# 配置etcd集群参数
#ETCD_SERVER_HOSTNAMES="\"k8s-master-01\",\"k8s-master-02\",\"k8s-master-03\""
#ETCD_SERVER_IPS="\"192.168.2.247\",\"192.168.2.248\",\"192.168.2.249\""
ETCD_MEMBER_1_IP="192.168.2.247"
ETCD_MEMBER_1_HOSTNAMES="k8s-master-01"
ETCD_MEMBER_2_IP="192.168.2.248"
ETCD_MEMBER_2_HOSTNAMES="k8s-master-02"
ETCD_MEMBER_3_IP="192.168.2.249"
ETCD_MEMBER_3_HOSTNAMES="k8s-master-03"
ETCD_SERVER_HOSTNAMES="\"${ETCD_MEMBER_1_HOSTNAMES}\",\"${ETCD_MEMBER_2_HOSTNAMES}\",\"${ETCD_MEMBER_3_HOSTNAMES}\""
ETCD_SERVER_IPS="\"${ETCD_MEMBER_1_IP}\",\"${ETCD_MEMBER_2_IP}\",\"${ETCD_MEMBER_3_IP}\""
# etcd 集群间通信的 IP 和端口
INITIAL_CLUSTER="${ETCD_MEMBER_1_HOSTNAMES}=https://${ETCD_MEMBER_1_IP}:2380,${ETCD_MEMBER_2_HOSTNAMES}=https://${ETCD_MEMBER_2_IP}:2380,${ETCD_MEMBER_3_HOSTNAMES}=https://${ETCD_MEMBER_3_IP}:2380"
# etcd 集群服务地址列表
ENDPOINTS=https://${ETCD_MEMBER_1_IP}:2379,https://${ETCD_MEMBER_2_IP}:2379,https://${ETCD_MEMBER_3_IP}:2379
#K8S events 存储ETCD 集群 1开启 默认关闭0
K8S_EVENTS=0
if [ ${K8S_EVENTS} == 1 ]; then
# etcd events集群配置
#ETCD_EVENTS_HOSTNAMES="\"k8s-node-01\",\"k8s-node-02\",\"k8s-node-03\""
#ETCD_EVENTS_IPS="\"192.168.2.250\",\"192.168.2.251\",\"192.168.2.252\""
ETCD_EVENTS_MEMBER_1_IP="192.168.2.250"
ETCD_EVENTS_MEMBER_1_HOSTNAMES="k8s-node-01"
ETCD_EVENTS_MEMBER_2_IP="192.168.2.251"
ETCD_EVENTS_MEMBER_2_HOSTNAMES="k8s-node-02"
ETCD_EVENTS_MEMBER_3_IP="192.168.2.252"
ETCD_EVENTS_MEMBER_3_HOSTNAMES="k8s-node-03"
ETCD_EVENTS_HOSTNAMES="\"${ETCD_EVENTS_MEMBER_1_HOSTNAMES}\",\"${ETCD_EVENTS_MEMBER_2_HOSTNAMES}\",\"${ETCD_EVENTS_MEMBER_3_HOSTNAMES}\""
ETCD_EVENTS_IPS="\"${ETCD_EVENTS_MEMBER_1_IP}\",\"${ETCD_EVENTS_MEMBER_2_IP}\",\"${ETCD_EVENTS_MEMBER_3_IP}\""
# etcd 集群间通信的 IP 和端口
INITIAL_EVENTS_CLUSTER="${ETCD_EVENTS_MEMBER_1_HOSTNAMES}=https://${ETCD_EVENTS_MEMBER_1_IP}:2380,${ETCD_EVENTS_MEMBER_2_HOSTNAMES}=https://${ETCD_EVENTS_MEMBER_2_IP}:2380,${ETCD_EVENTS_MEMBER_3_HOSTNAMES}=https://${ETCD_EVENTS_MEMBER_3_IP}:2380"
ENDPOINTS="${ENDPOINTS} --etcd-servers-overrides=/events#https://${ETCD_EVENTS_MEMBER_1_IP}:2379;https://${ETCD_EVENTS_MEMBER_2_IP}:2379;https://${ETCD_EVENTS_MEMBER_3_IP}:2379"
fi
#是否开启docker0 网卡 参数: doakcer0 none k8s集群建议不用开启，单独部署请设置值为docker0
NET_BRIDGE="none"
# 配置K8S集群参数
# 最好使用 当前未用的网段 来定义服务网段和 Pod 网段
# 服务网段，部署前路由不可达，部署后集群内路由可达(kube-proxy 保证)
SERVICE_CIDR="10.66.0.0/16"
# Pod 网段，建议 /12 段地址，部署前路由不可达，部署后集群内路由可达(网络插件 保证)
CLUSTER_CIDR="10.80.0.0/12"
# 服务端口范围 (NodePort Range)
NODE_PORT_RANGE="30000-65535"
# kubernetes 服务 IP (一般是 SERVICE_CIDR 中第一个IP)
CLUSTER_KUBERNETES_SVC_IP="10.66.0.1"
# 集群名字
CLUSTER_NAME=kubernetes
#集群域名
CLUSTER_DNS_DOMAIN="cluster.local"
#集群DNS
CLUSTER_DNS_SVC_IP="10.66.0.2"
# k8s vip ip
K8S_VIP_1_IP="192.168.3.12"
K8S_VIP_2_IP="192.168.3.13"
K8S_VIP_3_IP="192.168.3.14"
K8S_VIP_DOMAIN="api.k8s.niuke.tech"
#kube-apiserver port
SECURE_PORT=5443
# kube-apiserver vip port # 如果配置vip IP 请设置
K8S_VIP_PORT=6443
# kube-apiserver vip ip
KUBE_APISERVER="https://${K8S_VIP_DOMAIN}:${K8S_VIP_PORT}"
# RUNTIME_CONFIG v1.16 版本设置 低于v1.16 RUNTIME_CONFIG="api/all=true" 即可
RUNTIME_CONFIG="api/all=true"
#开启插件enable-admission-plugins #AlwaysPullImages 启用istio 不能自动注入需要手动执行注入
ENABLE_ADMISSION_PLUGINS="DefaultStorageClass,DefaultTolerationSeconds,LimitRanger,NamespaceExists,NamespaceLifecycle,NodeRestriction,OwnerReferencesPermissionEnforcement,PodNodeSelector,PersistentVolumeClaimResize,PodPreset,PodTolerationRestriction,ResourceQuota,ServiceAccount,StorageObjectInUseProtection,MutatingAdmissionWebhook,ValidatingAdmissionWebhook"
#禁用插件disable-admission-plugins
DISABLE_ADMISSION_PLUGINS="DenyEscalatingExec,ExtendedResourceToleration,ImagePolicyWebhook,LimitPodHardAntiAffinityTopology,NamespaceAutoProvision,Priority,EventRateLimit,PodSecurityPolicy"
# 设置api 副本数
APISERVER_COUNT="3"
# 设置输出日志级别
LEVEL_LOG="2"
# api 突变请求最大数
MAX_MUTATING_REQUESTS_INFLIGHT="500"
# api 非突变请求的最大数目
MAX_REQUESTS_INFLIGHT="1500"
# 内存配置选项和node数量的关系，单位是MB： target-ram-mb=node_nums * 60
TARGET_RAM_MB="6000"
# kube-api-qps 默认50
KUBE_API_QPS="100"
#kube-api-burst 默认30
KUBE_API_BURST="100"
# pod-infra-container-image 地址
POD_INFRA_CONTAINER_IMAGE="docker.io/juestnow/pause-amd64:3.1"
# max-pods node 节点启动最多pod 数量
MAX_PODS=100
# 生成 EncryptionConfig 所需的加密 key
ENCRYPTION_KEY=$(head -c 32 /dev/urandom | base64)
#kube-apiserver 服务器IP列表 有更多的节点时请添加IP K8S_APISERVER_VIP="\"192.168.2.247\",\"192.168.2.248\",\"192.168.2.249\",\"192.168.2.250\",\"192.168.2.251\""
K8S_APISERVER_VIP="\"192.168.2.247\",\"192.168.2.248\",\"192.168.2.249\""
# 创建bootstrap配置
TOKEN_ID=$(head -c 6 /dev/urandom | md5sum | head -c 6)
TOKEN_SECRET=$(head -c 16 /dev/urandom | md5sum | head -c 16)
BOOTSTRAP_TOKEN=${TOKEN_ID}.${TOKEN_SECRET}
修改完成保存创建新文件夹存放ansible 脚本及yml 脚本
# 到git clone 目录
mkdir k8s.v17.0
cd k8s.v17.0
cp ../kubernetes.v1.17.sh ./
# 执行脚本
bash kubernetes.v1.17.sh
# 查看生成数据
[root@k8s-node-09 k8s.v17.0]# ls
README.md cni.yml environment.sh haproxy.yml keepalived.yml kube-controller-manager.yml kubeconfig kubernetes.v1.17.sh package.yml yaml
cfssl docker.yml etcd.yml iptables.yml kube-apiserver.yml kube-scheduler.yml kubelet.yml lxcfs.yml roles
[root@k8s-node-09 k8s.v17.0]# tree
.
├── README.md
├── cfssl
│ ├── ca-config.json
│ ├── etcd
│ │ ├── etcd-ca-csr.json
│ │ ├── etcd-client.json
│ │ ├── etcd-server.json
│ │ ├── k8s-master-01.json
│ │ ├── k8s-master-02.json
│ │ └── k8s-master-03.json
│ ├── k8s
│ │ ├── aggregator.json
│ │ ├── k8s-apiserver-admin.json
│ │ ├── k8s-apiserver.json
│ │ ├── k8s-ca-csr.json
│ │ ├── k8s-controller-manager.json
│ │ ├── k8s-scheduler.json
│ │ └── kube-router.json
│ └── pki
│ ├── etcd
│ │ ├── etcd-ca-key.pem
│ │ ├── etcd-ca.csr
│ │ ├── etcd-ca.pem
│ │ ├── etcd-client-key.pem
│ │ ├── etcd-client.csr
│ │ ├── etcd-client.pem
│ │ ├── etcd-member-k8s-master-01-key.pem
│ │ ├── etcd-member-k8s-master-01.csr
│ │ ├── etcd-member-k8s-master-01.pem
│ │ ├── etcd-member-k8s-master-02-key.pem
│ │ ├── etcd-member-k8s-master-02.csr
│ │ ├── etcd-member-k8s-master-02.pem
│ │ ├── etcd-member-k8s-master-03-key.pem
│ │ ├── etcd-member-k8s-master-03.csr
│ │ ├── etcd-member-k8s-master-03.pem
│ │ ├── etcd-server-key.pem
│ │ ├── etcd-server.csr
│ │ └── etcd-server.pem
│ └── k8s
│ ├── aggregator-key.pem
│ ├── aggregator.csr
│ ├── aggregator.pem
│ ├── k8s-apiserver-admin-key.pem
│ ├── k8s-apiserver-admin.csr
│ ├── k8s-apiserver-admin.pem
│ ├── k8s-ca-key.pem
│ ├── k8s-ca.csr
│ ├── k8s-ca.pem
│ ├── k8s-controller-manager-key.pem
│ ├── k8s-controller-manager.csr
│ ├── k8s-controller-manager.pem
│ ├── k8s-scheduler-key.pem
│ ├── k8s-scheduler.csr
│ ├── k8s-scheduler.pem
│ ├── k8s-server-key.pem
│ ├── k8s-server.csr
│ ├── k8s-server.pem
│ ├── kube-router-key.pem
│ ├── kube-router.csr
│ └── kube-router.pem
├── cni.yml
├── docker.yml
├── environment.sh
├── etcd.yml
├── haproxy.yml
├── iptables.yml
├── keepalived.yml
├── kube-apiserver.yml
├── kube-controller-manager.yml
├── kube-scheduler.yml
├── kubeconfig
│ ├── admin.kubeconfig
│ ├── bootstrap.kubeconfig
│ ├── kube-controller-manager.kubeconfig
│ ├── kube-router.kubeconfig
│ └── kube-scheduler.kubeconfig
├── kubelet.yml
├── kubernetes.v1.17.sh
├── lxcfs.yml
├── package.yml
├── roles
│ ├── cni
│ │ ├── files
│ │ │ └── bin
│ │ │ ├── bandwidth
│ │ │ ├── bridge
│ │ │ ├── dhcp
│ │ │ ├── firewall
│ │ │ ├── flannel
│ │ │ ├── host-device
│ │ │ ├── host-local
│ │ │ ├── ipvlan
│ │ │ ├── loopback
│ │ │ ├── macvlan
│ │ │ ├── portmap
│ │ │ ├── ptp
│ │ │ ├── sbr
│ │ │ ├── static
│ │ │ ├── tuning
│ │ │ └── vlan
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ ├── docker
│ │ ├── files
│ │ │ └── bin
│ │ │ ├── containerd
│ │ │ ├── containerd-shim
│ │ │ ├── ctr
│ │ │ ├── docker
│ │ │ ├── docker-init
│ │ │ ├── docker-proxy
│ │ │ ├── dockerd
│ │ │ └── runc
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── containerd.service
│ │ ├── daemon.json
│ │ ├── docker.service
│ │ └── docker.socket
│ ├── etcd
│ │ ├── files
│ │ │ ├── bin
│ │ │ │ ├── etcd
│ │ │ │ └── etcdctl
│ │ │ └── ssl
│ │ │ ├── etcd-ca-key.pem
│ │ │ ├── etcd-ca.pem
│ │ │ ├── etcd-client-key.pem
│ │ │ ├── etcd-client.pem
│ │ │ ├── etcd-member-k8s-master-01-key.pem
│ │ │ ├── etcd-member-k8s-master-01.pem
│ │ │ ├── etcd-member-k8s-master-02-key.pem
│ │ │ ├── etcd-member-k8s-master-02.pem
│ │ │ ├── etcd-member-k8s-master-03-key.pem
│ │ │ ├── etcd-member-k8s-master-03.pem
│ │ │ ├── etcd-server-key.pem
│ │ │ └── etcd-server.pem
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── etcd
│ │ └── etcd.service
│ ├── haproxy
│ │ ├── files
│ │ │ └── haproxy-2.1.1.tar.gz
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── 49-haproxy.conf
│ │ ├── haproxy
│ │ ├── haproxy.conf
│ │ └── haproxy.service
│ ├── iptables
│ │ ├── files
│ │ │ └── iptables-1.6.2.tar.bz2
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ ├── keepalived
│ │ ├── files
│ │ │ ├── automake-1.15.1.tar.gz
│ │ │ └── keepalived-2.0.19.tar.gz
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── keepalived
│ │ ├── keepalived.conf
│ │ └── keepalived.service
│ ├── kube-apiserver
│ │ ├── files
│ │ │ ├── bin
│ │ │ │ └── kube-apiserver
│ │ │ ├── config
│ │ │ │ ├── audit-policy.yaml
│ │ │ │ └── encryption-config.yaml
│ │ │ └── ssl
│ │ │ ├── etcd
│ │ │ │ ├── etcd-ca.pem
│ │ │ │ ├── etcd-client-key.pem
│ │ │ │ └── etcd-client.pem
│ │ │ └── k8s
│ │ │ ├── aggregator-key.pem
│ │ │ ├── aggregator.pem
│ │ │ ├── k8s-ca.pem
│ │ │ ├── k8s-server-key.pem
│ │ │ └── k8s-server.pem
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── kube-apiserver
│ │ └── kube-apiserver.service
│ ├── kube-controller-manager
│ │ ├── files
│ │ │ ├── bin
│ │ │ │ └── kube-controller-manager
│ │ │ └── ssl
│ │ │ └── k8s
│ │ │ ├── k8s-ca-key.pem
│ │ │ ├── k8s-ca.pem
│ │ │ ├── k8s-controller-manager-key.pem
│ │ │ └── k8s-controller-manager.pem
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── kube-controller-manager
│ │ ├── kube-controller-manager.kubeconfig
│ │ └── kube-controller-manager.service
│ ├── kube-scheduler
│ │ ├── files
│ │ │ └── bin
│ │ │ └── kube-scheduler
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── kube-scheduler
│ │ ├── kube-scheduler.kubeconfig
│ │ └── kube-scheduler.service
│ ├── kubelet
│ │ ├── files
│ │ │ ├── bin
│ │ │ │ └── kubelet
│ │ │ └── ssl
│ │ │ └── k8s
│ │ │ └── k8s-ca.pem
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ │ ├── bootstrap.kubeconfig
│ │ ├── kubelet
│ │ └── kubelet.service
│ ├── lxcfs
│ │ ├── files
│ │ │ ├── lib
│ │ │ │ └── lxcfs
│ │ │ │ ├── liblxcfs.la
│ │ │ │ └── liblxcfs.so
│ │ │ ├── lxcfs
│ │ │ └── lxcfs.service
│ │ ├── tasks
│ │ │ └── main.yml
│ │ └── templates
│ └── package
│ ├── files
│ ├── tasks
│ │ └── main.yml
│ └── templates
└── yaml
├── allow-lxcfs-tz-env.yaml
├── bootstrap-secret.yaml
├── kube-api-rbac.yaml
├── kube-router.yaml
└── kubelet-bootstrap-rbac.yaml
75 directories, 179 files查看生成README.md
## 特别说明： keepalived 部署 必须单个部署 三节点部署
ansible-playbook -i 192.168.2.247, keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA1 -e HA1_ID=100 -e HA2_ID=110 -e HA3_ID=120 -e STATE_3=MASTER
ansible-playbook -i 192.168.2.248, keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA2 -e HA1_ID=110 -e HA2_ID=120 -e HA3_ID=100 -e STATE_2=MASTER
ansible-playbook -i 192.168.2.249, keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA3 -e HA1_ID=120 -e HA2_ID=100 -e HA3_ID=110 -e STATE_1=MASTER
# 大于3节点部署 5节点
ansible-playbook -i "192.168.2.247", keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA1 -e HA1_ID=100 -e HA2_ID=110 -e HA3_ID=140 -e STATE_3=MASTER
ansible-playbook -i "192.168.2.248", keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA2 -e HA1_ID=110 -e HA2_ID=140 -e HA3_ID=130 -e STATE_2=MASTER
ansible-playbook -i "192.168.2.249", keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA3 -e HA1_ID=140 -e HA2_ID=100 -e HA3_ID=120 -e STATE_1=MASTER
ansible-playbook -i "192.168.2.250", keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA4 -e HA1_ID=130 -e HA2_ID=120 -e HA3_ID=110
ansible-playbook -i "192.168.2.251", keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA5 -e HA1_ID=120 -e HA2_ID=130 -e HA3_ID=100
# 安装说明文件执行就OK node 节点安装ip 很多可以写如文件例如：
vi node
192.168.2.165
192.168.2.167
192.168.2.189
192.168.2.196
192.168.2.247
192.168.2.248
192.168.2.249
192.168.2.250
192.168.2.251
192.168.2.252
192.168.2.253
# 执行
ansible-playbook -i node xxx.yml
[root@k8s-node-09 k8s.v17.0]# cat README.md
########## mkdir -p /root/.kube
##########复制admin kubeconfig 到root用户作为kubectl 工具默认密钥文件
########## \cp -pdr /opt/k8s/k8s.v17.0/kubeconfig/admin.kubeconfig /root/.kube/config
###################################################################################
########## ansible 及ansible-playbook 单个ip ip结尾一点要添加“,”符号 ansible-playbook -i 192.168.0.1, xxx.yml
########## source /opt/k8s/k8s.v17.0/environment.sh 设置环境变量生效方便后期新增证书等
########## etcd 部署 ansible-playbook -i "192.168.2.247","192.168.2.248","192.168.2.249" etcd.yml
########## etcd EVENTS 部署 ansible-playbook -i , events-etcd.yml
########## kube-apiserver 部署 ansible-playbook -i "192.168.2.247","192.168.2.248","192.168.2.249", kube-apiserver.yml
########## haproxy 部署 ansible-playbook -i "192.168.2.247","192.168.2.248","192.168.2.249", haproxy.yml
########## keepalived 节点IP "192.168.2.247","192.168.2.248","192.168.2.249" 安装keepalived使用IP 如果大于三个节点安装keepalived 记得HA1_ID 唯一的也就是priority的值
########## keepalived 也可以全部部署为BACKUP STATE_x 可以使用默认值 IFACE 网卡名字默认eth0 ROUTER_ID 全局唯一ID HA1_ID为priority值
########## keepalived 部署 节点1 ansible-playbook -i 节点ip1, keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA1 -e HA1_ID=100 -e HA2_ID=110 -e HA3_ID=120 -e STATE_3=MASTER
########## keepalived 部署 节点2 ansible-playbook -i 节点ip2, keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA2 -e HA1_ID=110 -e HA2_ID=120 -e HA3_ID=100 -e STATE_2=MASTER
########## keepalived 部署 节点3 ansible-playbook -i 节点ip3, keepalived.yml -e IFACE=eth0 -e ROUTER_ID=HA3 -e HA1_ID=120 -e HA2_ID=100 -e HA3_ID=110 -e STATE_1=MASTER
########## kube-controller-manager kube-scheduler ansible-playbook -i "192.168.2.247","192.168.2.248","192.168.2.249", kube-controller-manager.yml kube-scheduler.yml
########## 部署完成验证集群 kubectl cluster-info kubectl api-versions kubectl get cs 1.16 kubectl 显示不正常
########## 提交bootstrap 跟授权到K8S 集群 kubectl apply -f /opt/k8s/k8s.v17.0/yaml/bootstrap-secret.yaml
########## 提交授权到K8S集群 kubectl apply -f /opt/k8s/k8s.v17.0/yaml/kubelet-bootstrap-rbac.yaml kubectl apply -f /opt/k8s/k8s.v17.0/yaml/kube-api-rbac.yaml
########## 系统版本为centos7 或者 ubuntu18 请先升级 iptables ansible-playbook -i 要安装node ip列表, iptables.yml
########## 安装K8S node 使用kube-router ansible部署 ansible-playbook -i 要安装node ip列表 package.yml lxcfs.yml docker.yml kubelet.yml
########## 安装K8S node 使用 flannel 网络插件ansible部署ansible-playbook -i 要安装node ip列表 package.yml lxcfs.yml docker.yml kubelet.yml kube-proxy.yml
########## 部署自动挂载日期与lxcfs 到pod的 PodPreset kubectl apply -f /opt/k8s/k8s.v17.0/yaml/allow-lxcfs-tz-env.yaml -n kube-system " kube-system 命名空间名字"PodPreset 只是当前空间生效所以需要每个命名空间执行
########## 查看node 节点是否注册到K8S kubectl get node kubectl get csr 如果有节点 kube-router 方式部署 kubectl apply -f /opt/k8s/k8s.v17.0/yaml/kube-router.yaml 等待容器部署完成查看node ip a | grep kube-bridge
########## flannel 网络插件部署 kubectl apply -f /opt/k8s/k8s.v17.0/yaml/flannel.yaml 等待容器部署完成查看node 节点网络 ip a| grep flannel.1
########## 给 master ingress 添加污点 防止其它服务使用这些节点:kubectl taint nodes k8s-master-01 node-role.kubernetes.io/master=:NoSchedule kubectl taint nodes k8s-ingress-01 node-role.kubernetes.io/ingress=:NoSchedule
########## calico 网络插件部署 50节点内 wget https://docs.projectcalico.org/v3.10/manifests/calico.yaml 大于50节点 wget https://docs.projectcalico.org/v3.10/manifests/calico-typha.yaml
########## 如果cni配置没放到默认路径请创建软链 ln -s /apps/cni/etc /etc/cni 同时修改yaml hostPath路径 同时修改CALICO_IPV4POOL_CIDR 参数为 10.80.0.0/12 CALICO_IPV4POOL_IPIP: Never 启用bgp模式
########## windows 证书访问 openssl pkcs12 -export -inkey k8s-apiserver-admin-key.pem -in k8s_apiserver-admin.pem -out client.p12
########## kubectl proxy --port=8001 & 把kube-apiserver 端口映射成本地 8001 端口
########## 查看kubelet节点配置信息 NODE_NAME="k8s-node-04"; curl -sSL "http://localhost:8001/api/v1/nodes/${NODE_NAME}/proxy/configz" | jq '.kubeletconfig|.kind="KubeletConfiguration"|.apiVersion="kubelet.config.k8s.io/v1beta1"' > kubele
t_configz_${NODE_NAME}创建新证书例如：kubernetes-dashboard或者kubeconfig
# 生效环境变量
source /opt/k8s/k8s.v17.0/environment.sh
cat << EOF | tee ${HOST_PATH}/cfssl/k8s/kubernetes-dashboard.json
{
"CN": "kubernetes-dashboard",
"hosts": [""],
"key": {
"algo": "rsa",
"size": 2048
},
"names": [
{
"C": "CN",
"ST": "$CERT_ST",
"L": "$CERT_L",
"O": "$CERT_O",
"OU": "$CERT_OU"
}
]
}
EOF
# 生成新的证书
cfssl gencert \
-ca=${HOST_PATH}/cfssl/pki/k8s/k8s-ca.pem \
-ca-key=${HOST_PATH}/cfssl/pki/k8s/k8s-ca-key.pem \
-config=${HOST_PATH}/cfssl/ca-config.json \
-profile=${CERT_PROFILE} \
${HOST_PATH}/cfssl/k8s/kubernetes-dashboard.json | \
cfssljson -bare ./kubernetes-dashboard删除集群
kubectl delete deployments --all -A
kubectl delete daemonsets --all -A
kubectl delete statefulsets --all -A
ansible -i node all -m shell -a "systemctl stop kubelet"
ansible -i node all -m shell -a "systemctl stop docker"
ansible -i node all -m shell -a "systemctl stop kube-proxy"
ansible -i node all -m shell -a "systemctl stop containerd"
ansible -i node all -m shell -a "systemctl stop kube-scheduler"
ansible -i node all -m shell -a "systemctl stop kube-controller-manager"
ansible -i node all -m shell -a "systemctl stop kube-apiserver"
ansible -i node all -m shell -a "systemctl stop etcd"
ansible -i node all -m shell -a "systemctl stop haproxy"
ansible -i node all -m shell -a "systemctl stop keepalived"
ansible -i node all -m shell -a "umount /apps/docker/root/netns/default"
# 目录更改成自己环境路径 如果docker 跟其它应用部署一起就直接可以删除
ansible -i node all -m shell -a "rm -rf /apps/*"
ansible -i node all -m shell -a "rm -rf /etc/cni"
ansible -i node all -m shell -a "rm -rf /etc/docker"
ansible -i node all -m shell -a "rm -rf /etc/containerd"
ansible -i node all -m shell -a "rm -f /usr/bin/docker*"
ansible -i node all -m shell -a "rm -f /usr/bin/containerd*"
ansible -i node all -m shell -a "rm -f /usr/bin/ctr"
ansible -i node all -m shell -a "rm -f /usr/bin/runc"
# 关闭开机启动
ansible -i node all -m shell -a "systemctl disable kubelet"
ansible -i node all -m shell -a "systemctl disable docker"
ansible -i node all -m shell -a "systemctl disable kube-proxy"
ansible -i node all -m shell -a "systemctl disable containerd"
ansible -i node all -m shell -a "systemctl disable kube-scheduler"
ansible -i node all -m shell -a "systemctl disable kube-controller-manager"
ansible -i node all -m shell -a "systemctl disable kube-apiserver"
ansible -i node all -m shell -a "systemctl disable etcd"
ansible -i node all -m shell -a "systemctl disable haproxy"
ansible -i node all -m shell -a "systemctl disable keepalived"
# 删除开机启动文件
ansible -i node all -m shell -a "rm -f /lib/systemd/system/kubelet.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/docker.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/docker.socket"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/kube-proxy.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/containerd.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/kube-scheduler.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/kube-controller-manager.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/kube-apiserver.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/etcd.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/haproxy.service"
ansible -i node all -m shell -a "rm -f /lib/systemd/system/keepalived.service"
分享题目：kubernetes二进制部署ansibleplaybook一键生成
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