1 VM + 4 Container + Docker CLI + Password Authentication – LAB 05 – Thực hành LAB

Vagrant.configure("2") do |config|
 
  config.vm.define "ansiblecontainer" do |ansiblecontainer|
 
    ansiblecontainer.vm.box = "ubuntu/jammy64"
    ansiblecontainer.vm.hostname = 'ubuntu2204'
  
    ansiblecontainer.vm.provider :virtualbox do |v|
      v.gui = true
      v.cpus = 2
      v.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
      v.customize ["modifyvm", :id, "--memory", 2048]
      v.customize ["modifyvm", :id, "--name", "Ansible-1VM-4Container-Docker-CLI-Key-Authen"]
    end
 
  ansiblecontainer.vm.provision "shell", path: "install.sh"
  ansiblecontainer.vm.provision "shell", path: "by-passauthen.sh"
  ansiblecontainer.vm.provision "shell", path: "run-ansible.sh"

  end
   
end

#!/bin/bash

echo -e "\n1. Cài Docker, docker-compose\n"

apt update && apt install docker.io docker-compose -y

systemctl status docker

# END

#!/bin/bash

echo -e "\n1. Tạo 4 node bằng 4 container\n"

# Build AlmaLinux 9.2 chạy OpenSSH Server
cd /vagrant/normal/alma92
docker build                 -t devsecops.edu.vn/alma92-ssh-cli:1.0 .
docker run --name alma92-cli -d devsecops.edu.vn/alma92-ssh-cli:1.0

# Build Alpine Linux 3.18 chạy OpenSSH Server
cd /vagrant/normal/alpine318
docker build -t                    devsecops.edu.vn/alpine318-ssh-cli:1.0 .
docker run --name alpine318-cli -d devsecops.edu.vn/alpine318-ssh-cli:1.0

# Build Ubuntu Server 22.04.3 chạy OpenSSH Server
cd /vagrant/normal/ubuntu2204
docker build -t                     devsecops.edu.vn/ubuntu2204-ssh-cli:1.0 .
docker run --name ubuntu2204-cli -d devsecops.edu.vn/ubuntu2204-ssh-cli:1.0

# Build Ubuntu Server 22.04.3 chạy làm Ansible Control Node
cd /vagrant/normal/ubuntu2204-control
docker build -t devsecops.edu.vn/ubuntu2204-control:1.0 .
docker run --name ubuntu2204-control \
--link ubuntu2204-cli \
--link alpine318-cli \
--link alma92-cli \
-d devsecops.edu.vn/ubuntu2204-control:1.0

echo -e "\n2. 4 Container image\n"
docker image ls

echo -e "\n3. 4 Container đang chạy\n"
docker container ls

# END

#!/bin/bash

echo -e "\n4. Chạy Ansible Control Node trên container ubuntu2204-control\n"

echo -e "\n4.1 Xem Ansible Inventory\n"

docker exec ubuntu2204-control ansible-inventory --graph

echo -e "\n4.2 Ping 3 node là 3 container\n"

docker exec ubuntu2204-control ansible ssh_4node -m ping

echo -e "\n4.3 Chạy lịnh tới 3 node là 3 container\n"

docker exec ubuntu2204-control ansible ssh_4node -a "cat /etc/os-release"

echo -e "\n4.4 Chạy playbook tới 3 node là 3 container\n"

docker exec ubuntu2204-control ansible-playbook /etc/ansible/web-server.yml

# END

# Lấy cục container image zìa
FROM almalinux:9.2

# Cài openssh server + client + các tool mần lab
RUN dnf -y install openssh-server openssh-clients passwd iproute

# Trên dòng EL, start ssh cần có các host key --> k có --> lỗi
# --> Tạo thêm 2 host key
RUN ssh-keygen -f /etc/ssh/ssh_host_rsa_key   -N '' -C 'DevSecOps.Edu.VN' -t rsa
RUN ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N '' -C 'DevSecOps.Edu.VN' -t ecdsa

#Đổi password cho root
RUN echo "1" | passwd root --stdin

EXPOSE 22

# Do hổng có systemd start dịch vụ sshd
# Chạy sshd trực tiếp bằng lịnh dưới
CMD ["/usr/sbin/sshd", "-D"]

# Như docker pull alpine:3.18.2
FROM alpine:3.18.2

# Cài python3 để Ansible Control Node móc vào được
RUN apk add openssh-server openssh-client iproute2 python3

# Cho SSH = root và = password
RUN echo 'PasswordAuthentication yes' >> /etc/ssh/sshd_config
RUN echo 'PermitRootLogin yes'        >> /etc/ssh/sshd_config

# Tạo SSH host key
RUN ssh-keygen -A

# Set password root là 1
RUN echo 'root:1' | chpasswd

# Tạo file cần thiết start được SSH
RUN mkdir -p /run/openrc
RUN touch /run/openrc/softlevel 

EXPOSE 22

CMD ["/usr/sbin/sshd", "-D"]

# Lấy cục container image zìa, nó là read only nhen
FROM ubuntu:22.04

# Cài openssh server, openssh-client
RUN apt update
RUN apt -y install openssh-server openssh-client iproute2 init-system-helpers

# Set password root là 1
RUN echo "root:1" | chpasswd

# Cho SSH = root và = password
RUN echo "PermitRootLogin yes" >> /etc/ssh/sshd_config
RUN echo "PasswordAuthentication yes" >> /etc/ssh/sshd_config

# Start dịch vụ SSH
RUN service ssh start

EXPOSE 22

# Do hổng có systemd start dịch vụ sshd
# Chạy sshd trực tiếp bằng lịnh dưới
CMD ["/usr/sbin/sshd", "-D"]

# Lấy cục image container zìa, nó là read only nhen
FROM ubuntu:22.04

ENV DEBIAN_FRONTEND noninteractive

# Cài Ansible + OpenSSH server
RUN apt update
RUN apt -y install openssh-server openssh-client iproute2 init-system-helpers ansible-core pip sshpass

# Chép thư mục ansible vào /etc của Container image
ADD . /etc/

# Sửa lỗi https://devsecops.edu.vn/ansible-control-node-tren-ubuntu-server-2204-loi-ansible-galaxy/
RUN pip install -Iv 'resolvelib<0.6.0'

# Cài collection community.general để chạy được lệnh apk
# https://docs.ansible.com/ansible/latest/collections/community/general/apk_module.html
RUN ansible-galaxy collection install community.general

# Set password root là 1
RUN echo "root:1" | chpasswd

# Cho root login = SSH + login = password
RUN echo "PermitRootLogin yes"        >> /etc/ssh/sshd_config
RUN echo "PasswordAuthentication yes" >> /etc/ssh/sshd_config

# Start dịch vụ SSH
RUN service ssh start

EXPOSE 22

# Do hổng có systemd start dịch vụ sshd
# Chạy sshd trực tiếp bằng lịnh dưới
CMD ["/usr/sbin/sshd", "-D"]

[defaults]
host_key_checking=False

# Sửa lỗi 
# https://devsecops.edu.vn/ansible-galaxy-bi-loi-gi-vay-khi-cai-ansible-collections/
[galaxy]
server = https://old-galaxy.ansible.com/

[ssh_4node]
alma92-cli
ubuntu2204-cli
alpine318-cli

[all:vars]
ansible_user=root
ansible_password=1

---
- hosts: ssh_4node
  tasks:

    - name: Cài Apache Web Server mới nhứt trên Ubuntu 22.04
      apt:
        name: apache2
      when: ansible_distribution == "Ubuntu"
        
    - name: Cài Apache Web Server mới nhứt trên AlmaLinux 9
      yum:
        name: httpd
      when: ansible_distribution == "AlmaLinux"

    - name: Cài Apache Web Server mới nhứt trên Alpine Linux 3.18
      apk:
        name: apache2
        state: present
      when: ansible_distribution == "Alpine"