Split BackendMethods out of TerraformLibvirt

This makes the TerraformLibvirt class shorter, and easier to read.

2 files changed, 37 insertions, 15 deletions

diff --git a/app/models/backends/terraform_libvirt.rb b/app/models/backends/terraform_libvirt.rb
index c0eda51..b8bdf13 100644
--- a/app/models/backends/terraform_libvirt.rb
+++ b/app/models/backends/terraform_libvirt.rb
@@ -34,6 +34,7 @@ require 'ruby_terraform'
 
 class Backends::TerraformLibvirt < ApplicationRecord
   include MiniEnvironmentMethods
+  include BackendMethods
 
   has_many :mini_environments, as: :backend
 
@@ -47,21 +48,6 @@ class Backends::TerraformLibvirt < ApplicationRecord
     "#{self.class.name}=#{id}"
   end
 
-  def deploy_backend
-    TerraformWorkingDirectory.new(
-      terraform_state_id,
-      'terraform/libvirt/backend'
-    ).within_working_directory do
-      RubyTerraform.apply(
-        vars: {
-          uri: uri,
-          domain: domain
-        },
-        auto_approve: true
-      )
-    end
-  end
-
   def available_data_snapshots
     GovukGuix::DataSnapshot.where(backend: nil)
   end
diff --git a/app/models/backends/terraform_libvirt/backend_methods.rb b/app/models/backends/terraform_libvirt/backend_methods.rb
new file mode 100644
index 0000000..7c3c47d
--- /dev/null
+++ b/app/models/backends/terraform_libvirt/backend_methods.rb
@@ -0,0 +1,36 @@
+# GOV.UK Mini Environment Admin
+# Copyright © 2018  Christopher Baines <mail@cbaines.net>
+#
+# This file is part of the GOV.UK Mini Environment Admin.
+#
+# The GOV.UK Mini Environment Admin is free software: you can
+# redistribute it and/or modify it under the terms of the GNU Affero
+# General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later
+# version.
+#
+# The GOV.UK Mini Environment Admin is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with the GOV.UK Mini Environment Admin.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+module Backends::TerraformLibvirt::BackendMethods
+  def deploy_backend
+    TerraformWorkingDirectory.new(
+      terraform_state_id,
+      'terraform/libvirt/backend'
+    ).within_working_directory do
+      RubyTerraform.apply(
+        vars: {
+          uri: uri,
+          domain: domain
+        },
+        auto_approve: true
+      )
+    end
+  end
+end