（playbook）ubuntu下ansible安装docker

 1   ---        
 2    - hosts: test
 3      sudo: yes
 4      vars:    
 5          apt_packages_ca:
 6              - apt-transport-https
 7              - ca-certificates
 8               
 9      tasks:   
10              
11       - name: add docker source list file for install docker
12         file:
13             path: /etc/apt/sources.list.d/docker.list
14             state: touch
15             owner: root
16             mode: 'u+r,g+rw'                                                                         
17              
18       - name: write deb url of docker to docker.list
19         blockinfile:
20             dest: /etc/apt/sources.list.d/docker.list
21             marker: ""
22             block: |
23                 deb https://apt.dockerproject.org/repo ubuntu-trusty main
24              
25       - name: add CA certificates and ensure installed
26         apt: 
27             name: "{{ item }}"
28             update_cache: yes
29         with_items: "{{ apt_packages_ca }}"
30              
31       - name: add apt-key of dockers
32         apt_key:
33             keyserver: p80.pool.sks-keyservers.net
34             id: 58118E89F3A912897C070ADBF76221572C52609D
35              
36       - name: install docker-engine
37         apt: 
38             name: docker-engine
39             state: latest
40             force: yes
41   ...