How To Install Ansible

System Env

• OS info

  [root@ansible /]# cat /etc/redhat-release
  CentOS Linux release 7.6.1810 (Core)
  [root@ansible /]# lsb_release -a
  LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch
  Distributor ID: CentOS
  Description: CentOS Linux release 7.6.1810 (Core)
  Release: 7.6.1810
  Codename: Core
  

Install Python36

• upgrade system pkgs

  [root@ansible /]# yum clean all && yum makecache
  [root@ansible /]# yum upgrade -y
  

• install python36

  [root@ansible /]# yum install epel-release -y
  [root@ansible /]# yum clean all && yum makecache
  [root@ansible /]# yum install python36 python36-devel python36-pip -y
  

• set pip3.6 as the default pip

  [root@ansible /]# pip3.6 install --upgrade pip
  

Install Ansible

[root@ansible /]# pip install ansible

Run it in Docker

• write a Dockerfile

  [root@DockerServer /]# cat Dockerfile
  FROM centos:latest
  MAINTAINER Kyle Chen
  ENV LANG C.UTF-8
  ENV DEBIAN_FRONTEND=noninteractive
  RUN yum clean all && \
  yum makecache && \
  yum upgrade -y && \
  yum install vim openssh-server epel-release -y && \
  yum clean all && \
  yum makecache && \
  yum install python36 python36-devel python36-pip -y && \
  echo "set -o vi" >> /etc/bashrc && \
  pip3.6 install --upgrade pip && \
  pip install ansible && \
  echo "PASSWORD" | passwd --stdin USER && \
  systemctl enable sshd
  

• build an image

  [root@DockerServer /]# docker build . -t ansible
  

• run image

  [root@DockerServer /]# docker run --privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro --ip IP --dns DNS --name ansible --hostname ansible -tdi ansible:latest /usr/sbin/init
  

• ATTENTION:
  You must set the PASSWORD, USER, IP, DNS which can be found before you run image. After run image, you can use 'ssh USER@IP' and input password to login on the server.