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@yonglai
Created November 15, 2017 18:04
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An Ansible playbook to install docker-ce on Centos
---
- name: Install docker
gather_facts: No
hosts: default
tasks:
- name: Install yum utils
yum:
name: yum-utils
state: latest
- name: Install device-mapper-persistent-data
yum:
name: device-mapper-persistent-data
state: latest
- name: Install lvm2
yum:
name: lvm2
state: latest
- name: Add Docker repo
get_url:
url: https://download.docker.com/linux/centos/docker-ce.repo
dest: /etc/yum.repos.d/docer-ce.repo
become: yes
- name: Enable Docker Edge repo
ini_file:
dest: /etc/yum.repos.d/docer-ce.repo
section: 'docker-ce-edge'
option: enabled
value: 0
become: yes
- name: Enable Docker Test repo
ini_file:
dest: /etc/yum.repos.d/docer-ce.repo
section: 'docker-ce-test'
option: enabled
value: 0
become: yes
- name: Install Docker
package:
name: docker-ce
state: latest
become: yes
- name: Start Docker service
service:
name: docker
state: started
enabled: yes
become: yes
- name: Add user vagrant to docker group
user:
name: vagrant
groups: docker
append: yes
become: yes
@dridi-mohamed
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its work ... thanks bro ... good work

@a19singh
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TASK [Install Docker]
FAILED! => {"changed": false, "failures": [], "msg": "Depsolve Error occured: \n Problem: cannot install the best candidate for the job\n - nothing provides libcgroup needed by docker-ce-3:19.03.12-3.el7.x86_64\n - nothing provides container-selinux >= 2:2.74 needed by docker-ce-3:19.03.12-3.el7.x86_64", "rc": 1, "result": []}

when installing in RHEL 8

@pc-star
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pc-star commented Jul 27, 2020

@a19singh : your best option at the moment it is to change the task as for the following

current

  • name: Install Docker
    yum:
    name: docker-ce
    state: latest

RHEL 8 version

  • name: Install Docker
    shell: "dnf install --nobest docker-ce"

A more clean solution It would be to declare both tasks and set a when conditional, in order to evaluate which version of the current OS it is running and, based on that execute the related task.

The error you see it is due to the fact RH it is trying to stop the usage of docker on their systems, making use of their own tools ( buildah and podman ).

At today the merging of the usage of the --nobest option into the dnf module for ansible it is currently ongoing, that's the reason why it still be necessary to declare it as a ( shell ) command.

source : ansible/ansible#70318

@dyasny
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dyasny commented Aug 25, 2020

Actually, this is because RHEL's container-tools module provides it's own runc binary, which conflicts with the runc docker-ce provides.

@pacjin79
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this worked very well for me on centos7, thanks for sharing!

@Josemyr1993
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Worked for me, many thks

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