6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# File 'modules/profile/manifests/docker/engine.pp', line 6
class profile::docker::engine(
# We want to get settings across the hierarchy, some per host, some fleet
# wide. So use hash merge behavior to merge keys across the hierarchy
Hash $settings = lookup('profile::docker::engine::settings', { 'default_value' => {}} ),
# Override the default docker engine package name, defaults to the current name for the docker package.
Optional[String] $packagename = lookup('profile::docker::engine::packagename', { 'default_value' => 'docker.io' }),
# Set to false if we don't want to declare the docker service here
# We want this to be on if we want to use a different docker systemd service (with flannel support, for eg.)
Boolean $declare_service = lookup('profile::docker::engine::declare_service', { 'default_value' => true }),
) {
if debian::codename::le('buster') {
# See https://docs.docker.com/engine/install/linux-postinstall/#your-kernel-does-not-support-cgroup-swap-limit-capabilities
# This seems not needed on Bullseye since Docker is provided.
require ::profile::base::memory_cgroup
}
# Docker config
# This will pick the storage setup that is default with docker, which
# on servers >= buster means overlay2 if available, else the devicemapper-on-disk
# driver that is highly discouraged
if (defined(Class['profile::base']) and $profile::base::overlayfs == false) {
warning('Using the default configuration of docker without enabling overlayfs, this is discouraged. Please ensure you declare profile::base::overlayfs: true in hiera.')
}
class { 'docker::configuration':
settings => $settings,
}
# Install docker, we should remove the "version" parameter when everything
# is using Buster/Docker as packaged by Debian.
class { 'docker':
package_name => $packagename,
}
if $declare_service {
# Service declaration
service { 'docker':
ensure => 'running',
}
}
}
|