Docker Configuration

Name

osism.docker

Repository

https://github.com/osism/ansible-docker

Documentation

—

Version

Configuration file: environments/configuration.yml

##########################
# versions

docker_version: '5:18.09.2'

Note

This 5: must be prepended starting with version 18.09.

Check available version under Ubuntu with apt-cache madison docker-ce.

# apt-cache madison docker-ce
 docker-ce | 5:18.09.2~3-0~ubuntu-xenial | https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
 docker-ce | 5:18.09.1~3-0~ubuntu-xenial | https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
 docker-ce | 5:18.09.0~3-0~ubuntu-xenial | https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
 docker-ce | 18.06.3~ce~3-0~ubuntu | https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
 docker-ce | 18.06.2~ce~3-0~ubuntu | https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
 docker-ce | 18.06.1~ce~3-0~ubuntu | https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
[...]

Storage driver

Configuration file: environments/configuration.yml

##########################
# docker

docker_configure_storage_driver: yes
docker_storage_driver: overlay2

Note

If /var/lib/docker is on an XFS file system and you want to use the overlay2 storage driver, d_type (ftype=1) support must be enabled.

$ sudo xfs_info /var/lib/docker
meta-data=/dev/mapper/system-lv_docker isize=512    agcount=4, agsize=1310720 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1 spinodes=0
data     =                       bsize=4096   blocks=5242880, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal               bsize=4096   blocks=2560, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0