Make docker network configurable

The default docker0 address conflicts with the InternalApiNetCidr value
set in environments/network-environment.yaml. We should provide a way
to make the docker network configurable.

Change-Id: Ie803b33c93b931f7fefb87b6833eb22fd59cd92d
Related-Bug: #1726773
(cherry picked from commit 4462260182b5b6a8922193aff3ff603bbb93cf00)

1 files changed, 25 insertions, 0 deletions

diff --git a/manifests/profile/base/docker.pp b/manifests/profile/base/docker.pp
index 73731ad..7b9f7a6 100644
--- a/manifests/profile/base/docker.pp
+++ b/manifests/profile/base/docker.pp
@@ -35,6 +35,12 @@
 #   https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.2_Release_Notes/technology-preview-file_systems.html
 #   Defaults to '--log-driver=journald --signature-verification=false --iptables=false'
 #
+# [*configure_network*]
+#   Boolean. Whether to configure the docker network. Defaults to false.
+#
+# [*network_options*]
+#   Network options to configure. Defaults to ''
+#
 # [*configure_storage*]
 #   Boolean. Whether to configure a docker storage backend. Defaults to true.
 #
@@ -68,6 +74,8 @@ class tripleo::profile::base::docker (
   $insecure_registries = undef,
   $registry_mirror     = false,
   $docker_options      = '--log-driver=journald --signature-verification=false --iptables=false',
+  $configure_network   = false,
+  $network_options     = '',
   $configure_storage   = true,
   $storage_options     = '-s overlay2',
   $step                = Integer(hiera('step')),
@@ -174,5 +182,22 @@ class tripleo::profile::base::docker (
       require => Package['docker'],
     }
 
+    if $configure_network {
+      if $network_options == undef {
+        fail('You must provide a $network_options in order to configure network')
+      }
+      $network_changes = [ "set DOCKER_NETWORK_OPTIONS '\" ${network_options}\"'", ]
+    } else {
+      $network_changes = [ 'rm DOCKER_NETWORK_OPTIONS', ]
+    }
+
+    augeas { 'docker-sysconfig-network':
+      lens    => 'Shellvars.lns',
+      incl    => '/etc/sysconfig/docker-network',
+      changes => $network_changes,
+      notify  => Service['docker'],
+      require => Package['docker'],
+    }
+
   }
 }