#!/usr/bin/env bash
ansible='192.168.1.100'
image='192.168.1.100'
mip='192.168.1.20'
nip='192.168.1.21 192.168.1.22 192.168.1.23'
port=22
user=root
password=2000

pwd=$(pwd)
echo "初始化安装环境！"
if [ -e /root/.ssh/id_rsa ] && [ -e /root/.ssh/id_rsa.pub ]; then #密钥环境
  for i in $image; do
    ssh-copy-id root@$i #发送密钥给master主机
  done

  for i in $mip; do
    ssh-copy-id root@$i #发送密钥给master主机
  done

  for i in $nip; do
    ssh-copy-id root@$i #发送密钥给node主机
  done

  ssh-copy-id root@$ansible #发送密钥给ansible控制主机
  chmod +x $pwd/system.sh && bash $pwd/system.sh
else
  ssh-keygen
  for i in $image; do
    ssh-copy-id root@$i #发送密钥给master主机
  done

  for i in $mip; do
    ssh-copy-id root@$i #发送密钥给master主机
  done

  for i in $nip; do
    ssh-copy-id root@$i #发送密钥给node主机
  done

  ssh-copy-id root@$ansible #发送密钥给ansible控制主机
  chmod +x $pwd/system.sh && bash $pwd/system.sh
fi

ansible --version
if [ $? -ne 1 ]; then
  yum -y install $pwd/ansible_centos7/* #安装ansible
fi

#初始化ansible配置
echo \
  "[defaults]
inventory =$pwd/inventory" >$pwd/ansible.cfg
echo \
  "---
- hosts: $ansible
  tasks:
    - name: 写入主机清单信息
      blockinfile:
        path: $pwd/inventory
        block: |" >$pwd/inventory.yml

echo \
  "[ansible]
$ansible" >$pwd/inventory

echo "           [image]" >>$pwd/inventory.yml
for a in $image; do
  echo "           $a" >>$pwd/inventory.yml
done

echo "           [master]" >>$pwd/inventory.yml
for b in $mip; do
  echo "           $b" >>$pwd/inventory.yml
done

echo "           [node]" >>$pwd/inventory.yml
for c in $nip; do
  echo "           $c" >>$pwd/inventory.yml
done

#设置hosts主机文件
echo "           [hosts]" >>$pwd/inventory.yml
d=1
for e in $image; do
  echo "           $e hostname=image$d ansible_ssh_port=$port ansible_ssh_user=$user ansible_ssh_pass=$password" >>$pwd/inventory.yml
  d=$((d + 1))
done
d=1
for f in $mip; do
  echo "           $f hostname=master$d ansible_ssh_port=$port ansible_ssh_user=$user ansible_ssh_pass=$password" >>$pwd/inventory.yml
  d=$((d + 1))
done
d=1
for g in $nip; do
  echo "           $g hostname=node$d ansible_ssh_port=$port ansible_ssh_user=$user ansible_ssh_pass=$password" >>$pwd/inventory.yml
  d=$((d + 1))
done

#植入playbook变量
d=1
for h in $image; do
  ansible ansible -m lineinfile -a "dest=$pwd/image.yml insertafter='vars(.*)' line='    image$d: $h'"
  ansible ansible -m lineinfile -a "dest=$pwd/master.yml insertafter='vars(.*)' line='    image$d: $h'"
  ansible ansible -m lineinfile -a "dest=$pwd/node.yml insertafter='vars(.*)' line='    image$d: $h'"
done
for j in $mip; do
  ansible ansible -m lineinfile -a "dest=$pwd/image.yml insertafter='vars(.*)' line='    master$d: $j'"
  ansible ansible -m lineinfile -a "dest=$pwd/master.yml insertafter='vars(.*)' line='    master$d: $j'"
  ansible ansible -m lineinfile -a "dest=$pwd/node.yml insertafter='vars(.*)' line='    master$d: $j'"
done
for k in $nip; do
  ansible ansible -m lineinfile -a "dest=$pwd/image.yml insertafter='vars(.*)' line='    node$d: $k'"
  ansible ansible -m lineinfile -a "dest=$pwd/master.yml insertafter='vars(.*)' line='    node$d: $k'"
  ansible ansible -m lineinfile -a "dest=$pwd/node.yml insertafter='vars(.*)' line='    node$d: $k'"
done

#docker配置文件
echo "\
{
    \"exec-opts\": [\"native.cgroupdriver=systemd\"],
    \"registry-mirrors\": [\"https://hub-mirror.c.163.com\"],
    \"insecure-registries\":[\"$image:5000\", \"registry:5000\"]
}" >$pwd/docker/daemon.json

#yum配置
echo \
  "[ftp-yum]
name=ftp-yum
baseurl=ftp://$image/docker/
enabled=1
gpgcheck=0" >$pwd/myyum.repo

#修改源码配置信息
sed -i "12s/master-ip/$mip/" $pwd/v1.17.6/config/kubeadm-init.yaml
sed -i "32s/image-ip/$image/" $pwd/v1.17.6/config/kubeadm-init.yaml
sed -i "172s/quay.io\/coreos\/flannel/$image:5000\/flannel/" $pwd/v1.17.6/flannel/kube-flannel.yml
sed -i "186s/quay.io\/coreos\/flannel/$image:5000\/flannel/" $pwd/v1.17.6/flannel/kube-flannel.yml
#剧本的流程控制
echo '
################################################################################################
#                                                   #
#    \\\\\     ///                                  #
#      \\      // ==================                #
#        \     / ||      \\        ||               #
#    \\\         ||       \         ||              #
#      \\    <===============================>      #
#         \      ||       \\        ||              #
#            /   || ===============||               #
#           //                     ||               #
#          ///                    ||                #
#       ////                  ^   //                #
#                              ||//                 #
#   正在执行安装程序，请稍后。。。。。。             #
################################################################################################
'
ansible-playbook $pwd/inventory.yml #执行主机清单信息剧本
ansible-playbook $pwd/image.yml     #执行镜像仓库剧本
ansible-playbook $pwd/master.yml    #执行master剧本
ansible-playbook $pwd/node.yml      #执行node节点剧本