#!/bin/sh

set -e

yum install wget git jq psmisc net-tools yum-utils device-mapper-persistent-data lvm2 vim tar runc -y

yum install ipvsadm ipset sysstat conntrack -y

if [ ! -f /usr/local/bin/containerd ]; then
wget https://github.com/containerd/containerd/releases/download/v1.6.18/containerd-1.6.18-linux-amd64.tar.gz
tar Cxzvf /usr/local containerd-1.6.18-linux-amd64.tar.gz
mkdir -p /etc/containerd
containerd config default > /etc/containerd/config.toml
  
# 修改 SystemdCgroup
if grep -F 'SystemdCgroup =' /etc/containerd/config.toml
then
  sed -i s#'SystemdCgroup.*=.*false'#'SystemdCgroup = true'#g /etc/containerd/config.toml
  else
  sed -i '/\[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options\]/a\            SystemdCgroup = true' /etc/containerd/config.toml
fi

mkdir -p /usr/local/lib/systemd/system/
wget https://raw.githubusercontent.com/containerd/containerd/main/containerd.service -O /usr/local/lib/systemd/system/containerd.service

systemctl daemon-reload
systemctl enable --now containerd
fi


if [ ! -f /usr/local/bin/crictl ]; then
VERSION="v1.26.0"
wget https://github.com/kubernetes-sigs/cri-tools/releases/download/$VERSION/crictl-$VERSION-linux-amd64.tar.gz
sudo tar zxvf crictl-$VERSION-linux-amd64.tar.gz -C /usr/local/bin
#rm -f crictl-$VERSION-linux-amd64.tar.gz

cat > /etc/crictl.yaml <<EOF
runtime-endpoint: unix:///run/containerd/containerd.sock
image-endpoint: unix:///run/containerd/containerd.sock
timeout: 10
debug: false
EOF
fi


if [ ! -f /usr/local/bin/cfssl ]; then
wget https://github.com/cloudflare/cfssl/releases/download/v1.6.3/cfssl_1.6.3_linux_amd64 -O /usr/local/bin/cfssl
wget https://github.com/cloudflare/cfssl/releases/download/v1.6.3/cfssljson_1.6.3_linux_amd64 -O /usr/local/bin/cfssljson
chmod +x /usr/local/bin/cfssl
chmod +x /usr/local/bin/cfssljson
fi


if [ ! -f /usr/local/bin/etcd ]; then
wget https://github.com/etcd-io/etcd/releases/download/v3.5.7/etcd-v3.5.7-linux-amd64.tar.gz
tar -zxvf etcd-v3.5.7-linux-amd64.tar.gz --strip-components=1 -C /usr/local/bin etcd-v3.5.7-linux-amd64/etcd{,ctl}
fi


if [ ! -f /usr/local/bin/kubectl ]; then
wget https://dl.k8s.io/v1.26.1/kubernetes-server-linux-amd64.tar.gz
tar -xvf kubernetes-server-linux-amd64.tar.gz  --strip-components=3 -C /usr/local/bin kubernetes/server/bin/kube{let,ctl,-apiserver,-controller-manager,-scheduler,-proxy}
fi