1 VM + 3 Container + docker-compose + Password Authentication – LAB 02 – Thực hành LAB

Vagrant.configure("2") do |config|
 
  config.vm.define "ansible3nodes" do |ansible3nodes|
 
    ansible3nodes.vm.box = "ubuntu/jammy64"
    ansible3nodes.vm.hostname = 'ubuntu2204'
  
    ansible3nodes.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-Inventory-1VM-3Container-docker-compose-Password-Authen"]
    end
 
  ansible3nodes.vm.provision "shell", path: "install.sh"
  ansible3nodes.vm.provision "shell", path: "by-docker-compose.sh"

  end
   
end

#!/bin/bash

echo -e "\n1. Cài Docker, docker-compose\n"
apt update && apt install docker.io docker-compose pip -y
systemctl status docker

echo -e "\n2. Cài Ansible\n"

# Cài sshpass để Ansible SSH tới các node được = password authen
apt -y install ansible-core sshpass
ansible --version

# Chép file config của Ansible
mkdir /etc/ansible
cp /vagrant/ansible.cfg /etc/ansible/
cp /vagrant/hosts /etc/ansible/

# Sửa lỗi https://devsecops.edu.vn/ansible-control-node-tren-ubuntu-server-2204-loi-ansible-galaxy/
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
ansible-galaxy collection install community.general

echo -e "\n3. Xem Ansible collection đã cài\n"
ansible-galaxy collection list

# END

#!/bin/bash

echo -e "\n1. Build 3 container image\n"

# Phải vào thư mục chứa docker-compose.yml
cd /vagrant/normal
docker-compose up -d

echo -e "\n2. 3 Container image đã build (Read Only)\n"
docker image ls

echo -e "\n3. 3 Container đang chạy (Read Write)\n"
docker container ls

echo -e "\n4. Cấu hình Ansible Inventory với 3 container đang chạy\n"

# Lấy 3 IP của 3 Container đang chạy
export     Alma92_IP=$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' alma92-compose)
export Ubuntu2204_IP=$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' ubuntu2204-compose)
export  Alpine318_IP=$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' alpine318-compose)

# Thay 3 IP của 3 Container vào file Ansible Inventory dưới
sed -i "s/alma92_ip_compose/$Alma92_IP/"         /etc/ansible/hosts
sed -i "s/ubuntu2204_ip_compose/$Ubuntu2204_IP/" /etc/ansible/hosts
sed -i "s/alpine318_ip_compose/$Alpine318_IP/"   /etc/ansible/hosts

echo -e "\n4.1 Ansible inventory coi group có 3 container đang chạy\n"
ansible-inventory --graph

echo -e "\n4.2 Ansible ping 3 node là 3 container đang chạy\n"
ansible sshnormal_compose -m ping

echo -e "\n4.3 Ansible chạy lịnh tới 3 container\n"
ansible sshnormal_compose -a 'cat /etc/os-release'

echo -e "\n4.4 Ansible chạy playbook tới 3 container\n"
ansible-playbook /vagrant/web-server.yml

# END

[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/

[sshnormal_compose]
alma92_ip_compose
ubuntu2204_ip_compose
alpine318_ip_compose

[all:vars]
ansible_user=root
ansible_password=1

---
- hosts: sshnormal_compose
  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"

# 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"]

version: '3'
services:

  alma92-compose:
    image: devsecops.edu.vn/alma92-ssh:1.0
    container_name: alma92-compose
    # Chỉ ra thư mục có file Dockerfile
    build: ./alma92
    # Để container vẫn chạy sau khi chạy xong lịnh docker-compose
    tty: true

  ubuntu2204-compose:
    image: devsecops.edu.vn/ubuntu2204-ssh:1.0
    container_name: ubuntu2204-compose
    build: ./ubuntu2204
    tty: true

  alpine318-compose:
    image: devsecops.edu.vn/alpine318-ssh:1.0
    container_name: alpine318-compose
    build: ./alpine318
    tty: true