Este artículo propone automatizar la instalación de docker en Raspberry Pi a través de Ansible con un rol hecho a medida.

Requisitos previos

Instalación de Docker

Recuperación del rol
He desarrollado un rol ansible para esta automatización, aquí está cómo recuperarlo:

git clone https://gitlab.com/jls42/ansible-rpi-docker.git roles/ansible-rpi-docker

Para más detalles ir a ver la documentación en ansible-rpi-docker

Creación del archivo de inventario llamado inventory
En este ejemplo de inventario el Raspberry Pi posee la ip 192.168.1.190

[rpi1]
192.168.1.190 servername=rpi1

Preparación del playbook docker-rpi.yml

---
- name: "Installation de Docker sur le Raspberry Pi"
  hosts: rpi1
  remote_user: "pi"
  roles:
    - roles/ansible-rpi-docker
  vars:
    docker_version: 18.06.1~ce~3-0~raspbian

Despliegue de Docker

export ANSIBLE_HOST_KEY_CHECKING=False
ansible-playbook -b -i inventory docker-rpi.yml

Lo que da:

jls42@boo:~/rpi$ ansible-playbook -b -i inventory docker-rpi.yml

PLAY [Installation de Docker sur le Raspberry Pi] ******************************************************************************************************************************************************************************************

TASK [Gathering Facts] *********************************************************************************************************************************************************************************************************************
Sunday 09 December 2018  01:20:47 +0100 (0:00:00.050)       0:00:00.051 *******
ok: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Installe les paquets nécessaires à l'utilisation d'un dépôt HTTPS] *****************************************************************************************************************************************
Sunday 09 December 2018  01:20:50 +0100 (0:00:03.350)       0:00:03.401 *******
changed: [192.168.1.190] => (item=[u'apt-transport-https', u'ca-certificates', u'curl', u'gnupg2', u'software-properties-common'])

TASK [roles/ansible-rpi-docker : Ajoute la clef officielle du dépôt Docker] ****************************************************************************************************************************************************************
Sunday 09 December 2018  01:21:41 +0100 (0:00:51.274)       0:00:54.675 *******
changed: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Ajoute le dépôt Docker] ***********************************************************************************************************************************************************************************
Sunday 09 December 2018  01:21:46 +0100 (0:00:04.766)       0:00:59.442 *******
changed: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Installe le paquet docker-ce] *****************************************************************************************************************************************************************************
Sunday 09 December 2018  01:21:57 +0100 (0:00:10.451)       0:01:09.893 *******
changed: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Installe python-pip] **************************************************************************************************************************************************************************************
Sunday 09 December 2018  01:23:14 +0100 (0:01:17.283)       0:02:27.177 *******
changed: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Installe docker-compose via pip] **************************************************************************************************************************************************************************
Sunday 09 December 2018  01:24:02 +0100 (0:00:48.630)       0:03:15.807 *******
changed: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Configure Docker pour qu'il démarre au boot] **************************************************************************************************************************************************************
Sunday 09 December 2018  01:24:58 +0100 (0:00:55.582)       0:04:11.390 *******
ok: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Ajoute l'utilisateur pi dans le groupe docker] ************************************************************************************************************************************************************
Sunday 09 December 2018  01:24:59 +0100 (0:00:01.089)       0:04:12.480 *******
changed: [192.168.1.190]

TASK [roles/ansible-rpi-docker : Supprime la swap] *****************************************************************************************************************************************************************************************
Sunday 09 December 2018  01:25:00 +0100 (0:00:01.265)       0:04:13.745 *******
changed: [192.168.1.190]

PLAY RECAP *********************************************************************************************************************************************************************************************************************************
192.168.1.190              : ok=10   changed=8    unreachable=0    failed=0   

Sunday 09 December 2018  01:25:02 +0100 (0:00:02.002)       0:04:15.748 *******
===============================================================================
roles/ansible-rpi-docker ---------------------------------------------- 252.35s
setup ------------------------------------------------------------------- 3.35s
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
total ----------------------------------------------------------------- 255.70s
Playbook run took 0 days, 0 hours, 4 minutes, 15 seconds
jls42@boo:~/rpi$

Verificación

Nos conectamos al Raspberry Pi para confirmar la correcta instalación de Docker

jls42@boo:~/rpi$ ssh pi@192.168.1.190
Linux rpi1 4.14.79-v7+ #1159 SMP Sun Nov 4 17:50:20 GMT 2018 armv7l

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sun Dec  9 00:25:01 2018 from 192.168.1.42
pi@rpi1:~ $ docker --version
Docker version 18.06.1-ce, build e68fc7a

¡Disfruta!

Este documento ha sido traducido de la versión fr a la lengua es utilizando el modelo claude-3-opus-20240229. Para más información sobre el proceso de traducción, consulte https://gitlab.com/jls42/ai-powered-markdown-translator