#!/bin/bash
sed -i 's#enforcing#disabled#g' /etc/sysconfig/selinux
setenforce 0
setenforce 0
systemctl disable firewalld
systemctl stop firewalld
systemctl status firewalld
swapoff -a
sed -ri 's/.*swap.*/#&/' /etc/fstab
echo 'KUBELET_EXTRA_ARGS="--fail-swap-on=false"' > /etc/sysconfig/kubelet
cd /etc/yum.repos.d/
mkdir bak
mv ./* bak/
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum makecache
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
yum --disablerepo=\* --enablerepo=elrepo-kernel repolist 
yum --disablerepo=\* --enablerepo=elrepo-kernel list kernel*
yum --disablerepo=\* --enablerepo=elrepo-kernel install -y kernel-lt.x86_64
yum remove kernel-tools-libs.x86_64 kernel-tools.x86_64 -y
yum --disablerepo=\* --enablerepo=elrepo-kernel install -y kernel-lt-tools.x86_64
grub2-set-default 0
reboot


#!/bin/bash
yum install -y conntrack-tools ipvsadm ipset conntrack libseccomp
cat > /etc/sysconfig/modules/ipvs.modules <<EOF
#!/bin/bash
ipvs_modules="ip_vs ip_vs_lc ip_vs_wlc ip_vs_rr ip_vs_wrr ip_vs_lblc ip_vs_lblcr ip_vs_dh ip_vs_sh ip_vs_fo ip_vs_nq ip_vs_sed ip_vs_ftp nf_conntrack"
for kernel_module in \${ipvs_modules}; do 
  /sbin/modinfo -F filename \${kernel_module} > /dev/null 2>&1
  if [ $? -eq 0 ]; then
    /sbin/modprobe \${kernel_module}
  fi
done
EOF
chmod 755 /etc/sysconfig/modules/ipvs.modules && bash /etc/sysconfig/modules/ipvs.modules && lsmod | grep ip_vs
cat > /etc/sysctl.d/k8s.conf << EOF
net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
fs.may_detach_mounts = 1
vm.overcommit_memory=1
vm.panic_on_oom=0
fs.inotify.max_user_watches=89100
fs.file-max=52706963
fs.nr_open=52706963
net.ipv4.tcp_keepalive_time = 600
net.ipv4.tcp.keepaliv.probes = 3
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp.max_tw_buckets = 36000
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp.max_orphans = 327680
net.ipv4.tcp_orphan_retries = 3
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_syn_backlog = 16384
net.ipv4.ip_conntrack_max = 65536
net.ipv4.tcp_max_syn_backlog = 16384
net.ipv4.top_timestamps = 0
net.core.somaxconn = 16384
EOF
sysctl --system
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sed -i 's+download.docker.com+mirrors.aliyun.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo
yum makecache fast
yum -y install docker-ce
service docker start
systemctl enable docker
mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
  "exec-opts": ["native.cgroupdriver=systemd"], 
  "registry-mirrors": ["https://niphmo8u.mirror.aliyuncs.com"]
}
EOF
systemctl daemon-reload
systemctl restart docker



#!/bin/bash
cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF
yum makecache --nogpgcheck
yum install -y kubelet-1.22.3 kubeadm-1.22.3 kubectl-1.22.3
systemctl enable kubelet.service
kubeadm config images list
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-mg
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-api
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-sd
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-po
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:3.5.0-0
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.8.4
docker pull registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:3.5
docker  tag registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:3.5  k8s.gcr.io/pause:3.5
docker  tag  registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-mg k8s.gcr.io/kube-controller-manager:v1.22.16
docker  tag  registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-api  k8s.gcr.io/kube-apiserver:v1.22.16
docker  tag   registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-sd k8s.gcr.io/kube-scheduler:v1.22.16
docker  tag   registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.22.16-po k8s.gcr.io/kube-proxy:v1.22.16
docker  tag   registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:3.5.0-0  k8s.gcr.io/etcd:3.5.0-0
docker  tag  registry.cn-guangzhou.aliyuncs.com/lin_ye/apiserver:v1.8.4  k8s.gcr.io/coredns/coredns:v1.8.4

app.kubernetes.io/version: 1.2.0



#!/bin/bash
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sed -i 's+download.docker.com+mirrors.aliyun.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo
yum makecache fast -y
yum -y install docker-ce
mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://niphmo8u.mirror.aliyuncs.com"]
}
EOF
systemctl daemon-reload
systemctl start docker
systemctl enable docker