Ansible Pilot

Deploy a web server apache httpd on Debian-like systems - Ansible modules apt, copy, service and ufw

How to automate the deployment of a web server apache httpd on Debian-like systems with custom web page taking care of downloading, installing, and enabling the service instantly and on boot and open the relevant firewall ports with Ansible modules yum, copy, service ufw. Debian, Ubuntu all the similar distributions.

February 14, 2022
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How to deploy a webserver apache httpd on Debian-like systems with Ansible? I’m going to show you a live demo with some simple Ansible code. I’m Luca Berton and welcome to today’s episode of Ansible Pilot.

Deploy a web server apache httpd on Debian-like systems

Today we’re talking about how to Deploy a web server apache httpd on Debian-like Linux systems. The full process requires six steps that you could automate with different Ansible modules. Firstly you need to install the apache2 package and dependency using the ansible.builtin.apt Ansible module. Secondly, you need to create the custom index.html with ansible.builtin.copy Ansible module. You could upgrade this step using the template module. Thirsty you need to start the apache2 service and enable it on boot and all the dependant using the ansible.builtin.service Ansible module. Fourthly you need to open the relevant firewall service-related ports using the community.general.ufw Ansible module.

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How to deploy a web server apache httpd on Debian-like systems with Ansible Playbook.

code

---
- name: setup webserver
  hosts: all
  become: true
  tasks:
    - name: apache installed
      ansible.builtin.apt:
        name: apache2
        update_cache: true
        state: latest
    - name: custom index.html
      ansible.builtin.copy:
        dest: "/var/www/html/index.html"
        content: |
                    Custom Web Page
    - name: apache2 service enabled
      ansible.builtin.service:
        name: apache2
        enabled: true
        state: started
    - name: open firewall
      community.general.ufw:
        rule: allow
        port: 80
        proto: tcp

execution

ansible-pilot $ ansible-playbook -i virtualmachines/ubuntu/inventory services/httpd_debian.yml
PLAY [setup webserver] ****************************************************************************
TASK [Gathering Facts] ****************************************************************************
ok: [ubuntu.example.com]
TASK [apache installed] ***************************************************************************
changed: [ubuntu.example.com]
TASK [custom index.html] **************************************************************************
changed: [ubuntu.example.com]
TASK [apache2 service enabled] ********************************************************************
ok: [ubuntu.example.com]
TASK [open firewall] ******************************************************************************
changed: [ubuntu.example.com]
PLAY RECAP ****************************************************************************************
ubuntu.example.com         : ok=5    changed=3    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0
ansible-pilot $

idempotency

ansible-pilot $ ansible-playbook -i virtualmachines/ubuntu/inventory services/httpd_debian.yml
PLAY [setup webserver] ****************************************************************************
TASK [Gathering Facts] ****************************************************************************
ok: [ubuntu.example.com]
TASK [apache installed] ***************************************************************************
ok: [ubuntu.example.com]
TASK [custom index.html] **************************************************************************
ok: [ubuntu.example.com]
TASK [apache2 service enabled] ********************************************************************
ok: [ubuntu.example.com]
TASK [open firewall] ******************************************************************************
ok: [ubuntu.example.com]
PLAY RECAP ****************************************************************************************
ubuntu.example.com         : ok=5    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0
ansible-pilot $

before execution

ansible-pilot $ ssh [email protected]
The authenticity of host 'ubuntu.example.com (192.168.0.191)' can't be established.
ECDSA key fingerprint is SHA256:SLtrfIjRKhuJtdTxjJ4V9yk+o/gO3MZi59KHehOQ3Ao.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'ubuntu.example.com,192.168.0.191' (ECDSA) to the list of known hosts.
The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.
$ sudo su
[email protected]:/home/devops# cat /etc/os-release 
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
[email protected]:/home/devops# apt list apache2
Listing... Done
apache2/focal-updates 2.4.41-4ubuntu3.8 amd64
apache2/focal-updates 2.4.41-4ubuntu3.8 i386
[email protected]:/home/devops# apt list apache2 --installed
Listing... Done
[email protected]:/home/devops# dpkg -l | grep apache2
[email protected]:/home/devops# cat /var/www/html/index.html
cat: /var/www/html/index.html: No such file or directory
[email protected]:/home/devops# ls -al /var/www
ls: cannot access '/var/www': No such file or directory
[email protected]:/home/devops#

after execution

ansible-pilot $ ssh [email protected]
Last login: Mon Feb 14 14:26:02 2022 from 192.168.0.101
$ sudo su
[email protected]:/home/devops# apt list apache2
Listing... Done
apache2/focal-updates,focal-security,now 2.4.41-4ubuntu3.9 amd64 [installed]
apache2/focal-updates,focal-security 2.4.41-4ubuntu3.9 i386
[email protected]:/home/devops# dpkg -l | grep apache2
ii  apache2                              2.4.41-4ubuntu3.9                     amd64        Apache HTTP Server
ii  apache2-bin                          2.4.41-4ubuntu3.9                     amd64        Apache HTTP Server (modules and other binary files)
ii  apache2-data                         2.4.41-4ubuntu3.9                     all          Apache HTTP Server (common files)
ii  apache2-utils                        2.4.41-4ubuntu3.9                     amd64        Apache HTTP Server (utility programs for web servers)
[email protected]:/home/devops# systemctl status apache2
● apache2.service - The Apache HTTP Server
     Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2022-02-14 14:25:31 UTC; 1min 20s ago
       Docs: https://httpd.apache.org/docs/2.4/
   Main PID: 3182 (apache2)
      Tasks: 55 (limit: 1071)
     Memory: 5.1M
     CGroup: /system.slice/apache2.service
             ├─3182 /usr/sbin/apache2 -k start
             ├─3185 /usr/sbin/apache2 -k start
             └─3186 /usr/sbin/apache2 -k start
Feb 14 14:25:31 ubuntu systemd[1]: Starting The Apache HTTP Server...
Feb 14 14:25:31 ubuntu systemd[1]: Started The Apache HTTP Server.
[email protected]:/home/devops# cat /var/www/html/index.html
Custom Web Page
[email protected]:/home/devops# ls -al /var/www/
total 12
drwxr-xr-x  3 root root 4096 Feb 14 14:25 .
drwxr-xr-x 14 root root 4096 Feb 14 14:25 ..
drwxr-xr-x  2 root root 4096 Feb 14 14:25 html
[email protected]:/home/devops#

web server apache httpd on Debian-like system

code with ❤️ in GitHub

Recap

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