tee Dockerfile <<-'EOF' FROM alpine:3.8

RUN echo "===> Adding Python runtime..." &&
echo -e "http://mirrors.aliyun.com/alpine/v3.8/main\nhttp://mirrors.aliyun.com/alpine/v3.8/community" > /etc/apk/repositories &&
mkdir -p ~/.pip && echo -e "[global]\nindex-url=http://mirrors.aliyun.com/pypi/simple\n[install]\ntrusted-host=mirrors.aliyun.com">> ~/.pip/pip.conf &&
apk --update add python py-pip openssl ca-certificates sshpass &&
apk --update add --virtual build-dependencies python-dev libffi-dev openssl-dev build-base &&
pip install --upgrade pip cffi &&

echo "===> Installing Ansible..." &&
pip install ansible==2.6.12 &&

echo "===> Installing handy tools..." &&
pip install --upgrade pycrypto &&
apk --update add bash openssh-client rsync &&

echo "===> Removing package list..." &&
apk del build-dependencies &&
rm -rf /var/cache/apk/* &&
rm -rf /root/.cache

CMD [ "ansible", "--version" ] EOF

docker build -t ansible:2.6.12 .

tee Dockerfile <<-'EOF' FROM centos:7.6.1810

ENV ROOT_PASSWORD root

RUN curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo ;
echo "export LC_ALL=en_US.UTF-8" >> /etc/profile ;
yum install -y openssh-server openssh-clients firewalld ;
ssh-keygen -t rsa -N '' -f /root/.ssh/id_rsa -q ;
echo "root:${ROOT_PASSWORD}" | chpasswd ;
sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config;
sed -i 's/#UseDNS yes/UseDNS no/g' /etc/ssh/sshd_config;
sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/' /etc/ssh/sshd_config;
yum clean all

EXPOSE 22

CMD ["/usr/sbin/init"] EOF

docker build -t centos-sshd:7.6.1810 .

docker stop web1 web2 web3 ansible docker rm web1 web2 web3 ansible docker network rm ansible-network docker network create --subnet=10.10.58.0/24 ansible-network docker run --privileged -itd --restart always --net ansible-network --ip 10.10.58.100 --name ansible -v $PWD:/ansible ansible:2.6.12 sh docker run --privileged -itd --restart always --net ansible-network --ip 10.10.58.101 --name web1 centos-sshd:7.6.1810 /usr/sbin/init docker run --privileged -itd --restart always --net ansible-network --ip 10.10.58.102 --name web2 centos-sshd:7.6.1810 /usr/sbin/init docker run --privileged -itd --restart always --net ansible-network --ip 10.10.58.103 --name web3 centos-sshd:7.6.1810 /usr/sbin/init docker exec -it ansible sh cd /ansible ansible-playbook mian.yml